| 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 2020-03-31 17:39 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                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 17:39 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -2,839 vol | 0 | |
| Filed 2020-03-27 10:00 Tx date 2020-03-25 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +284 vol | 2,839 | |
| Filed 2020-03-24 13:51 Tx date 2019-12-31 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +64 vol | 2,555 | |
| Filed 2020-03-24 13:50 Tx date 2019-12-31 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                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 2020-01-02 19:34 Tx date 2020-01-02 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +563 vol | 2,674 | |
| Filed 2020-01-02 18:24 Tx date 2020-01-01 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +563 vol | ||
| Filed 2020-01-02 18:24 Tx date 2020-01-01 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +563 vol | 2,674 | |
| Filed 2019-12-20 09:03 Tx date 2019-12-20 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +279 vol | 2,491 | |
| Filed 2019-10-02 11:54 Tx date 2019-10-01 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +729 vol | 2,111 | |
| Filed 2019-09-27 15:32 Tx date 2019-09-25 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +374 vol | 2,212 | |
| Filed 2019-07-03 16:44 Tx date 2019-07-02 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +789 vol | 1,382 | |
| Filed 2019-06-26 09:48 Tx date 2019-06-25 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $9,359 +408 vol $22.94 each | 1,838 | |
| Filed 2019-05-21 12:54 Tx date 2019-05-17 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +593 vol | 593 | |
| Filed 2019-05-21 12:54 Tx date 2018-10-18 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2019-04-01 Tx date 2019-03-27 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $9,366 +550 vol $17.03 each | 1,430 | |
| Filed 2018-12-21 Tx date 2018-10-18 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2018-12-21 Tx date 2018-12-20 | $ACI AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $13,622 +880 vol $15.48 each | 880 | |
| Filed 2018-10-25 Tx date 2018-10-18 | $ AltaGas Canada Inc. | Demcoe, William 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report |