| 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 17:30 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                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 17:29 Tx date 2020-03-31 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | -5,573 vol | 0 | |
| Filed 2020-03-27 09:56 Tx date 2020-03-25 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +569 vol | 5,573 | |
| Filed 2020-03-24 13:46 Tx date 2019-12-31 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)30 - Acquisition or disposition under a purchase/ownership plan | +123 vol | 5,004 | |
| Filed 2020-03-24 13:44 Tx date 2019-12-31 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                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 19:31 Tx date 2020-01-02 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +563 vol | 2,674 | |
| Filed 2020-01-02 18:15 Tx date 2020-01-01 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +563 vol | ||
| Filed 2020-01-02 18:15 Tx date 2020-01-01 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +563 vol | 2,674 | |
| Filed 2019-12-20 09:00 Tx date 2019-12-20 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +559 vol | 4,881 | |
| Filed 2019-10-02 11:46 Tx date 2019-10-01 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +729 vol | 2,111 | |
| Filed 2019-09-27 15:36 Tx date 2019-09-25 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | +748 vol | 4,322 | |
| Filed 2019-07-03 16:41 Tx date 2019-07-02 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +789 vol | 1,382 | |
| Filed 2019-06-26 09:42 Tx date 2019-06-25 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $18,741 +817 vol $22.94 each | 3,574 | |
| Filed 2019-05-21 12:51 Tx date 2019-05-17 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Restricted Share Unit (RSU)56 - Grant of rights | +593 vol | 593 | |
| Filed 2019-05-21 12:50 Tx date 2018-10-10 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                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. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $18,733 +1,100 vol $17.03 each | 2,757 | |
| Filed 2018-12-21 Tx date 2018-10-10 | $ACI AltaGas Canada Inc. | Chakma, Amitabha 
                                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. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights Deferred Share Unit (DSU)56 - Grant of rights | $25,650 +1,657 vol $15.48 each | 1,657 | |
| Filed 2018-10-26 Tx date 2018-10-10 | $ AltaGas Canada Inc. | Chakma, Amitabha 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report |