| Date | Issuer | Insider | Transaction | Amount | New Balance ⓘ 
                                    The balance of securities held by registered holder at the time of the transaction. Insiders may direct multiple registered holders and hold multiple security types.
                                 | |
|---|---|---|---|---|---|---|
| Filed 2025-10-07 19:03 Tx date 2025-09-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Preferred Shares Series A38 - Redemption, retraction, cancellation, repurchase | $-500,000 -20,000 vol $25.00 each | 0 | |
| Filed 2025-10-02 12:57 Tx date 2025-10-02 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,574,625 -12,500 vol $125.97 each | 0 | |
| Filed 2025-10-02 10:24 Tx date 2025-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +400 vol | 18,591 | |
| Filed 2025-09-24 10:09 Tx date 2025-09-22 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $13,162 +318 vol $41.39 each | 14,644 | |
| Filed 2025-09-24 10:08 Tx date 2025-09-22 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $52,648 +1,272 vol $41.39 each | 98,095 | |
| Filed 2025-07-02 12:26 Tx date 2025-06-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +471 vol | 18,191 | |
| Filed 2025-06-24 16:58 Tx date 2025-06-23 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $13,136 +342 vol $38.41 each | 14,326 | |
| Filed 2025-06-24 16:57 Tx date 2025-06-23 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $52,660 +1,371 vol $38.41 each | 96,823 | |
| Filed 2025-04-01 14:56 Tx date 2025-03-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +493 vol | 17,720 | |
| Filed 2025-03-24 11:36 Tx date 2025-03-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $12,467 +340 vol $36.67 each | 13,984 | |
| Filed 2025-03-24 11:35 Tx date 2025-03-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $49,981 +1,363 vol $36.67 each | 95,452 | |
| Filed 2025-01-20 15:56 Tx date 2024-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +427 vol | 13,644 | |
| Filed 2025-01-20 15:56 Tx date 2024-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +3,334 vol | 94,089 | |
| Filed 2025-01-02 19:04 Tx date 2024-12-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +546 vol | 17,227 | |
| Filed 2024-12-24 10:02 Tx date 2024-12-23 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $25,009 +745 vol $33.57 each | 13,217 | |
| Filed 2024-12-24 10:01 Tx date 2024-12-23 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $37,531 +1,118 vol $33.57 each | 90,755 | |
| Filed 2024-12-06 19:56 Tx date 2024-12-04 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights59 - Exercise for cash | -1,500 vol | 20,500 | |
| Filed 2024-12-06 18:04 Tx date 2024-12-04 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights56 - Grant of rights | +3,300 vol | 22,000 | |
| Filed 2024-10-08 17:50 Tx date 2024-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +514 vol | 16,681 | |
| Filed 2024-10-08 17:26 Tx date 2024-06-28 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +514 vol | 16,167 | |
| Filed 2024-10-01 11:49 Tx date 2024-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +512 vol | ||
| Filed 2024-07-02 22:23 Tx date 2024-06-28 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +414 vol | ||
| Filed 2024-10-01 11:49 Tx date 2024-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +512 vol | 16,579 | |
| Filed 2024-09-24 14:22 Tx date 2024-09-23 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $24,994 +727 vol $34.38 each | 12,472 | |
| Filed 2024-09-24 14:21 Tx date 2024-09-23 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $37,474 +1,090 vol $34.38 each | 89,637 | |
| Filed 2024-07-02 22:23 Tx date 2024-06-28 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +414 vol | 16,067 | |
| Filed 2024-06-26 11:40 Tx date 2024-06-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $24,985 +816 vol $30.62 each | 11,745 | |
| Filed 2024-06-26 11:39 Tx date 2024-06-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $37,478 +1,224 vol $30.62 each | 88,547 | |
| Filed 2024-04-02 14:02 Tx date 2024-03-28 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +437 vol | 15,653 | |
| Filed 2024-03-22 11:55 Tx date 2024-03-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $24,998 +857 vol $29.17 each | 10,929 | |
| Filed 2024-03-22 11:54 Tx date 2024-03-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $37,483 +1,285 vol $29.17 each | 87,323 | |
| Filed 2024-02-01 13:35 Tx date 2024-02-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares99 - Correction of information | -421 vol | 1,428,075 | |
| Filed 2024-02-01 12:26 Tx date 2022-12-20 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $113,500 +5,000 vol $22.70 each | 155,838 | |
| Filed 2024-02-01 12:25 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,400 +2,000 vol $23.20 each | 150,838 | |
| Filed 2024-02-01 12:25 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $69,750 +3,000 vol $23.25 each | 148,838 | |
| Filed 2024-02-01 12:24 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,480 +2,000 vol $23.24 each | 145,838 | |
| Filed 2024-02-01 12:24 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $69,780 +3,000 vol $23.26 each | 143,838 | |
| Filed 2024-02-01 12:23 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,768 +2,000 vol $23.38 each | 140,838 | |
| Filed 2024-02-01 12:22 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $70,155 +3,000 vol $23.39 each | 138,838 | |
| Filed 2024-02-01 12:22 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $70,159 +3,000 vol $23.39 each | 135,838 | |
| Filed 2024-02-01 12:19 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,748 +2,000 vol $23.37 each | 132,838 | |
| Filed 2024-02-01 12:17 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $165,205 +4,750 vol $34.78 each | 1,409,762 | |
| Filed 2024-02-01 12:16 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $258,006 +7,276 vol $35.46 each | 142,664 | |
| Filed 2022-12-22 18:57 Tx date 2022-12-20 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $113,500 +5,000 vol $22.70 each | ||
| Filed 2022-12-19 11:43 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,400 +2,000 vol $23.20 each | ||
| Filed 2022-12-19 11:43 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $69,750 +3,000 vol $23.25 each | ||
| Filed 2022-12-19 11:42 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,480 +2,000 vol $23.24 each | ||
| Filed 2022-12-19 11:41 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $69,780 +3,000 vol $23.26 each | ||
| Filed 2022-12-19 11:33 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,768 +2,000 vol $23.38 each | ||
| Filed 2022-12-19 11:32 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $70,155 +3,000 vol $23.39 each | ||
| Filed 2022-12-19 11:31 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $70,159 +3,000 vol $23.39 each | ||
| Filed 2022-12-19 11:30 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,748 +2,000 vol $23.37 each | ||
| Filed 2016-03-21 12:25 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $249,815 +7,045 vol $35.46 each | ||
| Filed 2016-03-21 12:22 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $173,239 +4,981 vol $34.78 each | ||
| Filed 2024-01-08 12:54 Tx date 2023-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +165 vol | 10,072 | |
| Filed 2024-01-08 12:54 Tx date 2023-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +3,736 vol | 86,038 | |
| Filed 2024-01-02 17:21 Tx date 2023-12-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +464 vol | 15,216 | |
| Filed 2023-12-22 12:26 Tx date 2023-12-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $62,503 +2,277 vol $27.45 each | 9,907 | |
| Filed 2023-12-09 00:49 Tx date 2023-12-04 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights59 - Exercise for cash | -1,500 vol | 18,700 | |
| Filed 2023-12-08 23:29 Tx date 2023-12-04 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights56 - Grant of rights | +3,300 vol | 20,200 | |
| Filed 2023-10-04 21:23 Tx date 2023-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +418 vol | 14,752 | |
| Filed 2023-09-25 12:34 Tx date 2023-09-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $62,494 +2,345 vol $26.65 each | 7,630 | |
| Filed 2023-07-05 12:24 Tx date 2023-06-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +523 vol | 14,334 | |
| Filed 2023-06-22 10:36 Tx date 2023-06-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $62,493 +2,605 vol $23.99 each | 5,285 | |
| Filed 2023-04-04 12:03 Tx date 2023-03-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +504 vol | 13,811 | |
| Filed 2023-03-23 12:39 Tx date 2023-03-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)56 - Grant of rights | $62,497 +2,680 vol $23.32 each | 2,680 | |
| Filed 2023-01-12 14:45 Tx date 2022-09-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Preferred Shares Series C38 - Redemption, retraction, cancellation, repurchase | $-250,000 -10,000 vol $25.00 each | 0 | |
| Filed 2023-01-12 14:30 Tx date 2022-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +2,928 vol | 82,302 | |
| Filed 2023-01-03 16:07 Tx date 2022-12-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +509 vol | 13,307 | |
| Filed 2022-12-23 13:11 Tx date 2022-12-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $83,463 +3,576 vol $23.34 each | 79,374 | |
| Filed 2022-12-22 18:57 Tx date 2022-12-20 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $113,500 +5,000 vol $22.70 each | 1,453,727 | |
| Filed 2022-12-19 11:43 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,400 +2,000 vol $23.20 each | 1,448,727 | |
| Filed 2022-12-19 11:43 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $69,750 +3,000 vol $23.25 each | 1,446,727 | |
| Filed 2022-12-19 11:42 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,480 +2,000 vol $23.24 each | 1,443,727 | |
| Filed 2022-12-19 11:41 Tx date 2022-12-16 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $69,780 +3,000 vol $23.26 each | 1,441,727 | |
| Filed 2022-12-19 11:33 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,768 +2,000 vol $23.38 each | 1,438,727 | |
| Filed 2022-12-19 11:32 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $70,155 +3,000 vol $23.39 each | 1,436,727 | |
| Filed 2022-12-19 11:31 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $70,159 +3,000 vol $23.39 each | 1,433,727 | |
| Filed 2022-12-19 11:30 Tx date 2022-12-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $46,748 +2,000 vol $23.37 each | 1,430,727 | |
| Filed 2022-12-10 16:38 Tx date 2022-12-06 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $32.84 expiring December 6, 202252 - Expiration of options | -150,000 vol | 0 | |
| Filed 2022-12-07 10:51 Tx date 2022-12-04 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights59 - Exercise for cash | -1,300 vol | 13,600 | |
| Filed 2022-12-06 17:54 Tx date 2022-12-05 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights56 - Grant of rights | +3,300 vol | 18,200 | |
| Filed 2022-10-03 12:00 Tx date 2022-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +545 vol | 12,798 | |
| Filed 2022-09-24 09:58 Tx date 2022-09-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $49,985 +1,732 vol $28.86 each | 75,798 | |
| Filed 2022-07-04 12:47 Tx date 2022-06-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +515 vol | 12,253 | |
| Filed 2022-06-23 00:21 Tx date 2022-06-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $49,986 +1,887 vol $26.49 each | 74,066 | |
| Filed 2022-06-04 10:43 Tx date 2022-06-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-610,800 -20,000 vol $30.54 each | 1,428,727 | |
| Filed 2022-06-04 10:42 Tx date 2022-06-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $586,400 +20,000 vol $29.32 each | 1,448,727 | |
| Filed 2022-06-04 10:41 Tx date 2022-06-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-2,419,768 -80,000 vol $30.25 each | 1,428,727 | |
| Filed 2022-06-04 10:40 Tx date 2022-06-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $2,345,600 +80,000 vol $29.32 each | 1,508,727 | |
| Filed 2022-06-04 10:39 Tx date 2022-06-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $29.32 expiring June 7, 202251 - Exercise of options | $-586,400 -20,000 vol $29.32 each | 0 | |
| Filed 2022-06-04 10:38 Tx date 2022-06-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $29.32 expiring June 7, 202251 - Exercise of options | $-2,345,600 -80,000 vol $29.32 each | 20,000 | |
| Filed 2022-03-22 14:42 Tx date 2022-03-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $49,982 +1,787 vol $27.97 each | 72,179 | |
| Filed 2022-02-11 20:12 Tx date 2021-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +3,032 vol | 70,392 | |
| Filed 2022-01-26 19:02 Tx date 2022-01-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)59 - Exercise for cash | $-363,697.83 -13,983 vol $26.01 each | 0 | |
| Filed 2022-01-26 19:00 Tx date 2022-01-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +633 vol | 13,983 | |
| Filed 2022-01-04 11:13 Tx date 2021-12-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +332 vol | 10,952 | |
| Filed 2022-01-04 10:50 Tx date 2021-12-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +518 vol | 10,620 | |
| Filed 2021-12-23 08:02 Tx date 2021-12-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $37,534 +1,425 vol $26.34 each | 67,360 | |
| Filed 2021-12-09 22:30 Tx date 2021-12-06 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights56 - Grant of rights | +3,300 vol | 14,900 | |
| Filed 2021-11-30 21:25 Tx date 2021-11-25 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $29.85 expiring November 25, 202152 - Expiration of options | $-8,208,750 -275,000 vol $29.85 each | 0 | |
| Filed 2021-10-01 14:03 Tx date 2021-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +599 vol | 10,102 | |
| Filed 2021-09-28 21:29 Tx date 2021-09-27 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $37,477 +1,479 vol $25.34 each | 65,935 | |
| Filed 2021-07-05 10:37 Tx date 2021-06-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +592 vol | 9,503 | |
| Filed 2021-06-28 19:08 Tx date 2021-06-25 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $37,491 +1,437 vol $26.09 each | 64,456 | |
| Filed 2021-04-05 13:39 Tx date 2021-03-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +728 vol | 8,911 | |
| Filed 2021-03-29 17:34 Tx date 2021-03-25 | $ AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $37,482 +1,790 vol $20.94 each | 63,019 | |
| Filed 2021-02-03 17:36 Tx date 2021-02-01 | $ AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)59 - Exercise for cash | $-250,884.08 -13,352 vol $18.79 each | 13,350 | |
| Filed 2021-02-03 17:34 Tx date 2021-02-01 | $ AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +117 vol | 26,702 | |
| Filed 2021-01-08 18:16 Tx date 2020-12-31 | $ AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +1,513 vol | 26,585 | |
| Filed 2021-01-08 18:10 Tx date 2020-12-31 | $ AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +3,159 vol | 61,229 | |
| Filed 2021-01-04 18:57 Tx date 2020-12-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +913 vol | 8,183 | |
| Filed 2020-12-22 14:29 Tx date 2020-12-21 | $ AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $25,023 +1,336 vol $18.73 each | 58,070 | |
| Filed 2020-12-18 21:28 Tx date 2020-12-16 | $ AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $21.05 expiring December 16, 202052 - Expiration of options | -235,000 vol | 0 | |
| Filed 2020-12-08 23:08 Tx date 2020-12-04 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights56 - Grant of rights | +3,000 vol | 11,600 | |
| Filed 2020-10-02 17:12 Tx date 2020-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +1,321 vol | 7,270 | |
| Filed 2020-10-01 19:27 Tx date 2020-09-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Preferred Shares Series A36 - Conversion or exchange | +20,000 vol | 20,000 | |
| Filed 2020-10-01 19:26 Tx date 2020-09-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Preferred Shares Series B36 - Conversion or exchange | -20,000 vol | 0 | |
| Filed 2020-09-28 17:11 Tx date 2020-09-25 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $24,989 +1,509 vol $16.56 each | 56,734 | |
| Filed 2020-07-02 13:04 Tx date 2020-06-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +1,006 vol | 5,949 | |
| Filed 2020-06-29 16:11 Tx date 2020-06-25 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $24,988 +1,554 vol $16.08 each | 55,225 | |
| Filed 2020-04-02 11:42 Tx date 2020-03-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +1,488 vol | 4,943 | |
| Filed 2020-03-31 17:37 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -2,711 vol | 0 | |
| Filed 2020-03-31 17:36 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -3,249 vol | 0 | |
| Filed 2020-03-31 17:35 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: TFSA (Indirect Ownership)
                                
                             | Common Shares22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -3,500 vol | 0 | |
| Filed 2020-03-31 17:35 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -71,000 vol | 0 | |
| Filed 2020-03-31 17:34 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: LIRA (Indirect Ownership)
                                
                             | Common Shares22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -7,500 vol | 0 | |
| Filed 2020-03-31 17:33 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -23,000 vol | 0 | |
| Filed 2020-03-30 11:13 Tx date 2020-03-25 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $24,997 +2,383 vol $10.49 each | 53,671 | |
| Filed 2020-03-27 10:03 Tx date 2020-03-25 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +758 vol | 3,249 | |
| Filed 2020-03-24 13:49 Tx date 2019-12-31 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +21 vol | 2,491 | |
| Filed 2020-03-24 13:48 Tx date 2019-12-31 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)30 - Acquisition or disposition under a purchase/ownership plan | +37 vol | 2,148 | |
| Filed 2020-02-24 12:01 Tx date 2019-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +1,970 vol | 37,687 | |
| Filed 2020-02-24 12:00 Tx date 2019-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +2,435 vol | 51,288 | |
| Filed 2020-02-08 08:32 Tx date 2020-02-03 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)59 - Exercise for cash | $-248,389.35 -12,615 vol $19.69 each | 23,102 | |
| Filed 2020-02-08 08:22 Tx date 2020-02-03 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)59 - Exercise for cash | $248,389 +12,615 vol $19.69 each | ||
| Filed 2020-01-16 07:59 Tx date 2020-01-13 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $97,393 +5,000 vol $19.48 each | 130,607 | |
| Filed 2020-01-03 11:54 Tx date 2019-12-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +617 vol | 3,455 | |
| Filed 2020-01-02 19:33 Tx date 2020-01-02 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +563 vol | 2,674 | |
| Filed 2020-01-02 18:27 Tx date 2020-01-01 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +563 vol | 2,674 | |
| Filed 2020-01-02 18:27 Tx date 2020-01-01 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +563 vol | ||
| Filed 2019-12-23 15:06 Tx date 2019-12-20 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $24,986 +1,284 vol $19.46 each | 48,853 | |
| Filed 2019-12-20 09:17 Tx date 2019-12-20 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +746 vol | 2,470 | |
| Filed 2019-12-06 14:56 Tx date 2019-12-04 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights56 - Grant of rights | +3,000 vol | 8,600 | |
| Filed 2019-11-27 19:34 Tx date 2019-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $38.63 expiring November 7, 201952 - Expiration of options | -175,000 vol | 0 | |
| Filed 2019-10-10 13:43 Tx date 2019-10-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $49,981 +2,610 vol $19.15 each | 47,569 | |
| Filed 2019-10-02 17:21 Tx date 2019-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +597 vol | 2,838 | |
| Filed 2019-10-02 11:49 Tx date 2019-10-01 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +729 vol | 2,111 | |
| Filed 2019-09-27 15:45 Tx date 2019-09-25 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +998 vol | 1,724 | |
| Filed 2019-07-04 11:04 Tx date 2019-06-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +577 vol | 2,241 | |
| Filed 2019-07-03 16:47 Tx date 2019-07-02 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +789 vol | 1,382 | |
| Filed 2019-06-26 11:46 Tx date 2019-06-25 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $16,654 +726 vol $22.94 each | 726 | |
| Filed 2019-06-26 11:44 Tx date 2018-10-18 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2019-05-21 12:53 Tx date 2019-05-17 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +593 vol | 593 | |
| Filed 2019-05-21 12:52 Tx date 2018-10-18 | $ACI AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2019-04-03 18:16 Tx date 2019-04-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $29,672 +1,667 vol $17.80 each | 44,959 | |
| Filed 2019-04-02 15:08 Tx date 2019-03-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +574 vol | 1,664 | |
| Filed 2019-02-22 Tx date 2018-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +2,830 vol | 38,292 | |
| Filed 2019-02-22 Tx date 2018-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +603 vol | 35,717 | |
| Filed 2019-02-08 Tx date 2018-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $154,715 +5,275 vol $29.33 each | 1,428,727 | |
| Filed 2019-01-07 Tx date 2019-01-04 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +5,000 vol | 40,462 | |
| Filed 2019-01-03 Tx date 2018-12-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +204 vol | 1,090 | |
| Filed 2018-12-07 Tx date 2018-12-04 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights56 - Grant of rights | +3,000 vol | 5,600 | |
| Filed 2018-12-04 Tx date 2018-12-03 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)46 - Compensation for services | $149,996 +9,740 vol $15.40 each | 35,114 | |
| Filed 2018-11-05 Tx date 2018-11-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)46 - Compensation for services | $149,996 +7,292 vol $20.57 each | 25,374 | |
| Filed 2018-10-30 Tx date 2018-10-18 | $ AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: LIRA (Indirect Ownership)
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | |||
| Filed 2018-10-30 Tx date 2018-10-18 | $ AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | |||
| Filed 2018-10-30 Tx date 2018-10-25 | $ AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: LIRA (Indirect Ownership)
                                
                             | Common Shares15 - Acquisition or disposition under a prospectus | $108,750 +7,500 vol $14.50 each | 7,500 | |
| Filed 2018-10-30 Tx date 2018-10-18 | $ AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: TFSA (Indirect Ownership)
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | |||
| Filed 2018-10-30 Tx date 2018-10-25 | $ AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares15 - Acquisition or disposition under a prospectus | $333,500 +23,000 vol $14.50 each | 23,000 | |
| Filed 2018-10-30 Tx date 2018-10-25 | $ AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: TFSA (Indirect Ownership)
                                
                             | Common Shares15 - Acquisition or disposition under a prospectus | $50,750 +3,500 vol $14.50 each | 3,500 | |
| Filed 2018-10-30 Tx date 2018-10-25 | $ AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares15 - Acquisition or disposition under a prospectus | $1,029,500 +71,000 vol $14.50 each | 71,000 | |
| Filed 2018-10-25 Tx date 2018-10-18 | $ AltaGas Canada Inc. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | |||
| Filed 2018-10-02 Tx date 2018-09-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +166 vol | 886 | |
| Filed 2018-10-02 Tx date 2018-10-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)46 - Compensation for services | $149,980 +6,610 vol $22.69 each | 18,082 | |
| Filed 2018-09-29 Tx date 2018-09-25 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)46 - Compensation for services | $270,050 +11,472 vol $23.54 each | 11,472 | |
| Filed 2018-07-11 Tx date 2018-07-09 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Subscription Rights issued February 3, 201736 - Conversion or exchange | -10,000 vol | 0 | |
| Filed 2018-07-11 Tx date 2018-07-09 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares36 - Conversion or exchange | +10,000 vol | 125,607 | |
| Filed 2018-07-04 Tx date 2018-07-03 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $129,650 +5,000 vol $25.93 each | 35,462 | |
| Filed 2018-07-03 Tx date 2018-06-30 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +161 vol | 720 | |
| Filed 2018-06-20 Tx date 2018-06-18 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $126,800 +5,000 vol $25.36 each | 30,462 | |
| Filed 2018-04-03 Tx date 2018-03-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +204 vol | 559 | |
| Filed 2018-04-03 Tx date 2018-04-02 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | $119,650 +5,000 vol $23.93 each | 25,462 | |
| Filed 2018-03-20 Tx date 2018-03-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | -8,484 vol | 0 | |
| Filed 2018-03-20 Tx date 2017-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +1,675 vol | 8,484 | |
| Filed 2018-03-20 Tx date 2017-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +1,505 vol | ||
| Filed 2018-03-20 Tx date 2017-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +1,505 vol | ||
| Filed 2018-03-20 Tx date 2017-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +462 vol | 15,462 | |
| Filed 2018-02-20 Tx date 2017-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $210,796 +6,546 vol $32.20 each | 1,423,452 | |
| Filed 2018-02-09 Tx date 2018-02-06 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -50,000 vol | 0 | |
| Filed 2018-02-09 Tx date 2018-02-06 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -43,883 vol | 0 | |
| Filed 2018-01-04 Tx date 2018-01-02 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $144,550 +5,000 vol $28.91 each | 20,000 | |
| Filed 2018-01-02 Tx date 2017-12-29 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +8,597 vol | 31,430 | |
| Filed 2018-01-02 Tx date 2017-12-31 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +355 vol | 355 | |
| Filed 2018-01-02 Tx date 2017-11-29 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units00 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-12-15 Tx date 2017-09-29 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +8,371 vol | 22,833 | |
| Filed 2017-12-15 Tx date 2017-09-29 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +8,371 vol | ||
| Filed 2017-12-07 Tx date 2017-12-04 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights56 - Grant of rights | +2,600 vol | 2,600 | |
| Filed 2017-12-07 Tx date 2017-11-29 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights00 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-12-07 Tx date 2017-12-06 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $218,790 +5,500 vol $39.78 each | 12,500 | |
| Filed 2017-12-07 Tx date 2017-12-06 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $99,412 +2,500 vol $39.77 each | 7,000 | |
| Filed 2017-12-07 Tx date 2017-12-06 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $178,987 +4,500 vol $39.77 each | 4,500 | |
| Filed 2017-12-07 Tx date 2017-11-29 | $IMO Imperial Oil Limited | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-12-06 Tx date 2017-12-06 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-116,040 -4,000 vol $29.01 each | 115,607 | |
| Filed 2017-12-06 Tx date 2017-12-06 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-29,010 -1,000 vol $29.01 each | 119,607 | |
| Filed 2017-12-06 Tx date 2017-12-06 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-290,400 -10,000 vol $29.04 each | 120,607 | |
| Filed 2017-11-22 Tx date 2017-11-21 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares47 - Acquisition or disposition by gift | $-438,300 -15,000 vol $29.22 each | 1,416,906 | |
| Filed 2017-11-22 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares47 - Acquisition or disposition by gift | $-446,550 -15,000 vol $29.77 each | ||
| Filed 2017-11-20 Tx date 2017-11-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)59 - Exercise for cash | -15,317 vol | 6,809 | |
| Filed 2017-11-20 Tx date 2017-11-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)57 - Exercise of rights | -15,317 vol | ||
| Filed 2017-11-20 Tx date 2017-11-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)57 - Exercise of rights | -15,317 vol | ||
| Filed 2017-11-17 Tx date 2017-06-30 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +6,227 vol | 14,462 | |
| Filed 2017-11-17 Tx date 2017-06-30 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +14,462 vol | ||
| Filed 2017-11-17 Tx date 2017-06-30 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +14,462 vol | ||
| Filed 2017-11-17 Tx date 2017-06-30 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +14,462 vol | ||
| Filed 2017-11-17 Tx date 2017-04-17 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +5,028 vol | 8,235 | |
| Filed 2017-11-17 Tx date 2017-01-13 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +3,207 vol | 3,207 | |
| Filed 2017-11-08 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $21.05 expiring December 16, 202051 - Exercise of options | $-315,750 -15,000 vol $21.05 each | 235,000 | |
| Filed 2017-11-08 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $21.05 expiring December 16, 202051 - Exercise of options | $-315,750 -15,000 vol $21.05 each | ||
| Filed 2017-11-08 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $21.05 expiring December 16, 202051 - Exercise of options | $-315,750 -15,000 vol $21.05 each | ||
| Filed 2017-11-08 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares47 - Acquisition or disposition by gift | $-446,550 -15,000 vol $29.77 each | 1,416,906 | |
| Filed 2017-11-08 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $315,750 +15,000 vol $21.05 each | 1,431,906 | |
| Filed 2017-11-08 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-446,550 -15,000 vol $29.77 each | ||
| Filed 2017-11-08 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-446,550 -15,000 vol $29.77 each | ||
| Filed 2017-11-08 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $225,000,000 +15,000 vol $15,000 each | ||
| Filed 2017-11-08 Tx date 2017-11-07 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $225,000,000 +15,000 vol $15,000 each | ||
| Filed 2017-10-31 Tx date 2017-10-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-58,396 -2,000 vol $29.20 each | 130,607 | |
| Filed 2017-10-31 Tx date 2017-10-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-58,320 -2,000 vol $29.16 each | 132,607 | |
| Filed 2017-10-31 Tx date 2017-10-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-87,492 -3,000 vol $29.16 each | 134,607 | |
| Filed 2017-10-31 Tx date 2017-10-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-233,520 -8,000 vol $29.19 each | 137,607 | |
| Filed 2017-10-02 Tx date 2017-10-02 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $140,250 +5,000 vol $28.05 each | 15,000 | |
| Filed 2017-07-12 Tx date 2017-06-30 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units56 - Grant of rights | +14,462 vol | 14,462 | |
| Filed 2017-07-12 Tx date 2015-05-14 | $PONY Painted Pony Energy Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Units00 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-07-05 Tx date 2017-07-04 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $149,700 +5,000 vol $29.94 each | 10,000 | |
| Filed 2017-04-05 Tx date 2017-04-05 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares15 - Acquisition or disposition under a prospectus | $582,400 +104,000 vol $5.60 each | 173,422 | |
| Filed 2017-04-05 Tx date 2017-04-03 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $154,550 +5,000 vol $30.91 each | 5,000 | |
| Filed 2017-04-05 Tx date 2010-07-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-03-15 Tx date 2016-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $12,950 +439 vol $29.50 each | 1,416,906 | |
| Filed 2017-03-15 Tx date 2016-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $16,552 +522 vol $31.71 each | 1,416,467 | |
| Filed 2017-03-13 Tx date 2016-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $94,807 +3,174 vol $29.87 each | 145,607 | |
| Filed 2017-03-13 Tx date 2016-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: CornWallace Investments (Indirect Ownership)
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $20,102 +673 vol $29.87 each | 30,960 | |
| Filed 2017-03-13 Tx date 2016-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $189,749 +5,952 vol $31.88 each | 1,415,945 | |
| Filed 2017-03-10 Tx date 2016-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +1,904 vol | 29,962 | |
| Filed 2017-03-10 Tx date 2016-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +1,904 vol | ||
| Filed 2017-03-10 Tx date 2016-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +1,904 vol | ||
| Filed 2017-03-03 Tx date 2017-03-02 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)59 - Exercise for cash | -7,836 vol | 20,222 | |
| Filed 2017-02-28 Tx date 2017-02-27 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Subscription Rights issued February 3, 201710 - Acquisition or disposition in the public market | $299,162 +10,000 vol $29.92 each | 10,000 | |
| Filed 2017-02-28 Tx date 2010-07-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Indirect Ownership)
                                
                             | Subscription Rights issued February 3, 201700 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-01-24 Tx date 2017-01-20 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $3,096 +562 vol $5.51 each | 43,883 | |
| Filed 2017-01-24 Tx date 2017-01-20 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options51 - Exercise of options | $-52,000 -10,000 vol $5.20 each | 50,000 | |
| Filed 2017-01-23 Tx date 2017-01-18 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options50 - Grant of options | $55,700 +10,000 vol $5.57 each | 60,000 | |
| Filed 2016-10-28 Tx date 2016-10-26 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares16 - Acquisition or disposition under a prospectus exemption | $240,000 +40,000 vol $6.00 each | 43,321 | |
| Filed 2016-09-09 Tx date 2016-09-06 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options37 - Stock split or consolidation | -90,000 vol | 50,000 | |
| Filed 2016-09-09 Tx date 2016-09-06 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options37 - Stock split or consolidation | -90,000 vol | 140,000 | |
| Filed 2016-09-09 Tx date 2016-09-06 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options37 - Stock split or consolidation | -90,000 vol | 230,000 | |
| Filed 2016-09-09 Tx date 2016-09-06 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options37 - Stock split or consolidation | -90,000 vol | 320,000 | |
| Filed 2016-09-09 Tx date 2016-09-06 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options37 - Stock split or consolidation | -90,000 vol | 410,000 | |
| Filed 2016-09-09 Tx date 2016-09-06 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options37 - Stock split or consolidation | -90,000 vol | ||
| Filed 2016-09-09 Tx date 2016-09-06 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares37 - Stock split or consolidation | -29,893 vol | 3,321 | |
| Filed 2016-07-19 Tx date 2016-07-15 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares56 - Grant of rights | +3,410 vol | 69,422 | |
| Filed 2016-04-18 Tx date 2016-04-15 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares56 - Grant of rights | +5,697 vol | 66,012 | |
| Filed 2016-03-22 Tx date 2016-03-22 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +79 vol | 28,058 | |
| Filed 2016-03-22 Tx date 2016-03-02 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)59 - Exercise for cash | -7,359 vol | 27,979 | |
| Filed 2016-03-22 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)30 - Acquisition or disposition under a purchase/ownership plan | +2,146 vol | 48,833 | |
| Filed 2016-03-21 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $173,239 +4,981 vol $34.78 each | 1,409,993 | |
| Filed 2016-03-21 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Holder: RRSP (Control or Direction)
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $249,815 +7,045 vol $35.46 each | 142,433 | |
| Filed 2016-03-21 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Holder: CornWallace Investments (Control or Direction)
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $54,679 +1,542 vol $35.46 each | 30,287 | |
| Filed 2016-03-10 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $26,421 +747 vol $35.37 each | 1,405,012 | |
| Filed 2016-03-10 Tx date 2015-12-31 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $43,830 +1,171 vol $37.43 each | 1,404,265 | |
| Filed 2016-03-07 Tx date 2016-02-29 | $TWM Tidewater Midstream and Infrastructure Ltd. | Cornhill, David Wallace 
                                6 - Director or Senior Officer of 10% Security Holder
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | |||
| Filed 2016-03-07 Tx date 2016-03-07 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $44,069 +10,000 vol $4.41 each | 60,315 | |
| Filed 2016-03-07 Tx date 2016-03-07 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $6,600 +1,500 vol $4.40 each | 50,315 | |
| Filed 2016-03-07 Tx date 2016-03-07 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $37,740 +8,500 vol $4.44 each | 48,815 | |
| Filed 2016-03-07 Tx date 2016-03-07 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $44,300 +10,000 vol $4.43 each | 40,315 | |
| Filed 2016-01-28 Tx date 2016-01-25 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options50 - Grant of options | $44,000 +100,000 vol $0.44 each | 500,000 | |
| Filed 2016-01-15 Tx date 2016-01-15 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares56 - Grant of rights | +8,259 vol | 30,315 | |
| Filed 2016-01-15 Tx date 2016-01-13 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Units (RU)59 - Exercise for cash | -13,495 vol | 33,192 | |
| Filed 2016-01-15 Tx date 2015-09-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Preferred Shares Series B36 - Conversion or exchange | +20,000 vol | 20,000 | |
| Filed 2016-01-15 Tx date 2010-07-01 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Preferred Shares Series B00 - Opening Balance-Initial SEDI Report | |||
| Filed 2016-01-15 Tx date 2015-09-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Preferred Shares Series A36 - Conversion or exchange | -20,000 vol | 0 | |
| Filed 2015-12-08 Tx date 2015-12-04 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-107,525 -250,000 vol $0.4301 each | 33,214 | |
| Filed 2015-12-03 Tx date 2015-11-30 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares47 - Acquisition or disposition by gift | $-313,000 -10,000 vol $31.30 each | 1,403,094 | |
| Filed 2015-11-20 Tx date 2015-11-16 | $AXY Alterra Power Corp. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options50 - Grant of options | $46,000 +100,000 vol $0.46 each | 400,000 | |
| Filed 2015-11-13 Tx date 2015-11-10 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $21.05 expiring December 16, 202051 - Exercise of options | $-2,105,000 -100,000 vol $21.05 each | 250,000 | |
| Filed 2015-11-13 Tx date 2015-11-10 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $2,105,000 +100,000 vol $21.05 each | 1,413,094 | |
| Filed 2015-11-13 Tx date 2015-11-10 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $10,000,000,000 +100,000 vol $100,000 each | ||
| Filed 2015-11-06 Tx date 2015-11-03 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $18.15 expiring November 9, 201951 - Exercise of options | $-3,417,645 -188,300 vol $18.15 each | 0 | |
| Filed 2015-11-06 Tx date 2015-11-04 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-3,094,935 -90,100 vol $34.35 each | 1,313,094 | |
| Filed 2015-11-06 Tx date 2015-11-03 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-2,067,843.84 -59,900 vol $34.52 each | 1,403,194 | |
| Filed 2015-11-06 Tx date 2015-11-03 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $3,417,644 +188,300 vol $18.15 each | 1,463,094 | |
| Filed 2015-10-16 Tx date 2015-10-15 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares56 - Grant of rights | $25,845 +4,126 vol $6.26 each | 22,056 | |
| Filed 2015-07-16 Tx date 2015-07-15 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares56 - Grant of rights | $38,768 +5,142 vol $7.54 each | 17,930 | |
| Filed 2015-06-16 Tx date 2015-06-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $18.15 expiring November 9, 201951 - Exercise of options | $-453,750 -25,000 vol $18.15 each | 188,300 | |
| Filed 2015-06-16 Tx date 2015-06-15 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $453,749 +25,000 vol $18.15 each | 1,274,794 | |
| Filed 2015-05-15 Tx date 2015-05-15 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares56 - Grant of rights | +12,788 vol | 12,788 | |
| Filed 2015-05-15 Tx date 2015-05-14 | $PPY Painted Pony Petroleum Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | |||
| Filed 2015-05-11 Tx date 2015-05-08 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $18.15 expiring November 9, 201951 - Exercise of options | $-112,530 -6,200 vol $18.15 each | 213,300 | |
| Filed 2015-05-11 Tx date 2015-05-08 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options at $18.15 expiring November 9, 201951 - Exercise of options | $-81,675 -4,500 vol $18.15 each | ||
| Filed 2015-05-11 Tx date 2015-05-08 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $112,529 +6,200 vol $18.15 each | 1,249,794 | |
| Filed 2015-05-11 Tx date 2015-05-08 | $ALA AltaGas Ltd. | Cornhill, David Wallace 
                                4 - Director of Issuer, 5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $81,675 +4,500 vol $18.15 each |