| 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 2020-02-05 15:39 Tx date 2019-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $38,513 +1,044 vol $36.89 each | 10,891 | |
| Filed 2020-02-05 15:37 Tx date 2020-01-27 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $1,781 +36 vol $49.48 each | 5,869 | |
| Filed 2020-02-05 15:36 Tx date 2020-01-27 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $1,345 +27 vol $49.83 each | 5,833 | |
| Filed 2020-02-05 15:35 Tx date 2019-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $33,671 +741 vol $45.44 each | 5,806 | |
| Filed 2020-02-01 11:46 Tx date 2019-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $10,335 +267 vol $38.71 each | 9,847 | |
| Filed 2020-02-01 11:44 Tx date 2019-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $6,826 +154 vol $44.33 each | 5,065 | |
| Filed 2019-11-20 13:28 Tx date 2019-11-15 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 49.51 (Phantom ALTIP 2019-11-15)56 - Grant of rights | +4,000 vol | 4,000 | |
| Filed 2019-11-20 13:27 Tx date 2013-12-01 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 49.51 (Phantom ALTIP 2019-11-15)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2019-07-31 13:39 Tx date 2019-07-30 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 43.39 (Phantom AMTIP 2019-07-30)56 - Grant of rights | $173,560 +4,000 vol $43.39 each | 4,000 | |
| Filed 2019-07-31 13:36 Tx date 2013-12-01 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 43.39 (Phantom AMTIP 2019-07-30)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2019-03-29 Tx date 2019-03-25 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A90 - Change in the nature of ownership | -1,047 vol | 4,000 | |
| Filed 2019-03-29 Tx date 2019-03-25 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $4,591 +129 vol $35.59 each | 8,534 | |
| Filed 2019-03-29 Tx date 2019-03-25 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A10 - Acquisition or disposition in the public market | $-34,879.80 -953 vol $36.60 each | 5,047 | |
| Filed 2019-03-29 Tx date 2019-03-25 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A90 - Change in the nature of ownership | +1,046 vol | 9,580 | |
| Filed 2019-02-09 Tx date 2018-03-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $5,201 +155 vol $33.56 each | 5,475 | |
| Filed 2019-02-09 Tx date 2018-03-15 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $1,793 +40 vol $44.84 each | 4,136 | |
| Filed 2019-02-09 Tx date 2018-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $5,214 +130 vol $40.11 each | 4,911 | |
| Filed 2019-02-09 Tx date 2018-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $14,090 +419 vol $33.63 each | 8,405 | |
| Filed 2019-01-21 Tx date 2018-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $30,551 +943 vol $32.40 each | 7,831 | |
| Filed 2019-01-21 Tx date 2018-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $25,883 +645 vol $40.13 each | 4,741 | |
| Filed 2018-06-19 Tx date 2018-06-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A90 - Change in the nature of ownership | +1,568 vol | 6,888 | |
| Filed 2018-06-19 Tx date 2018-06-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A10 - Acquisition or disposition in the public market | $-45,076.50 -1,431 vol $31.50 each | 7,569 | |
| Filed 2018-06-19 Tx date 2018-06-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A90 - Change in the nature of ownership | -1,568 vol | 6,001 | |
| Filed 2018-06-19 Tx date 2018-06-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A90 - Change in the nature of ownership | -1 vol | 6,000 | |
| Filed 2018-03-19 Tx date 2018-03-15 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 42.08 (Phantom AMTIP 2018-03-15)56 - Grant of rights | +4,000 vol | 4,000 | |
| Filed 2018-03-19 Tx date 2018-03-15 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I90 - Change in the nature of ownership | +1,544 vol | 4,096 | |
| Filed 2018-03-19 Tx date 2018-03-15 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class I10 - Acquisition or disposition in the public market | $-59,696 -1,456 vol $41.00 each | 3,544 | |
| Filed 2018-03-19 Tx date 2018-03-15 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class I90 - Change in the nature of ownership | -1,544 vol | 2,000 | |
| Filed 2018-03-19 Tx date 2013-12-01 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 42.08 (Phantom ALTIP 2018-03-15)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2018-03-19 Tx date 2018-03-15 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 42.08 (Phantom ALTIP 2018-03-15)56 - Grant of rights | +4,000 vol | 4,000 | |
| Filed 2018-03-19 Tx date 2013-12-01 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 42.08 (Phantom AMTIP 2018-03-15)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2018-03-19 Tx date 2018-03-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A90 - Change in the nature of ownership | +1,538 vol | 5,320 | |
| Filed 2018-03-19 Tx date 2018-03-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A10 - Acquisition or disposition in the public market | $-59,942 -1,462 vol $41.00 each | ||
| Filed 2018-03-19 Tx date 2018-03-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A10 - Acquisition or disposition in the public market | $-59,942 -1,462 vol $41.00 each | ||
| Filed 2018-03-19 Tx date 2018-03-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A90 - Change in the nature of ownership | -1,538 vol | 10,462 | |
| Filed 2018-03-19 Tx date 2018-03-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A10 - Acquisition or disposition in the public market | $-49,342.50 -1,462 vol $33.75 each | 9,000 | |
| Filed 2018-03-10 Tx date 2017-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $20,112 +511 vol $39.36 each | 3,782 | |
| Filed 2018-03-10 Tx date 2017-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $16,268 +342 vol $47.57 each | 2,552 | |
| Filed 2018-03-07 Tx date 2017-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $3,570 +74 vol $48.25 each | 2,210 | |
| Filed 2018-03-07 Tx date 2017-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $13,889 +351 vol $39.57 each | 3,271 | |
| Filed 2017-06-07 Tx date 2017-06-01 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I97 - Other | +179 vol | 2,136 | |
| Filed 2017-06-07 Tx date 2017-06-01 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A97 - Other | +347 vol | 2,920 | |
| Filed 2017-06-07 Tx date 2016-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $24,199 +665 vol $36.39 each | ||
| Filed 2017-06-07 Tx date 2016-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $24,199 +665 vol $36.39 each | ||
| Filed 2017-06-07 Tx date 2016-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $24,199 +665 vol $36.39 each | ||
| Filed 2017-06-06 Tx date 2017-06-01 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 48.82 (SAR 2017-03-15)97 - Other | +1,000 vol | 1,000 | |
| Filed 2017-06-06 Tx date 2013-12-01 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options 38.07 (2017-03-15)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-06-06 Tx date 2017-06-01 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options 38.07 (2017-03-15)97 - Other | +1,000 vol | 1,000 | |
| Filed 2017-06-06 Tx date 2013-12-01 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 38.07 (SAR 2017-03-15)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-06-06 Tx date 2017-06-01 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 38.07 (SAR 2017-03-15)97 - Other | +1,000 vol | 1,000 | |
| Filed 2017-06-06 Tx date 2013-12-01 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options 48.82 (2017-03-15)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-06-06 Tx date 2017-06-01 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options 48.82 (2017-03-15)97 - Other | +1,000 vol | 1,000 | |
| Filed 2017-06-06 Tx date 2013-12-01 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 48.82 (SAR 2017-03-15)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2017-01-25 Tx date 2017-01-19 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $1,851 +51 vol $36.30 each | 2,573 | |
| Filed 2017-01-25 Tx date 2016-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $20,319 +478 vol $42.51 each | 1,699 | |
| Filed 2017-01-25 Tx date 2016-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $7,421 +179 vol $41.46 each | 1,878 | |
| Filed 2017-01-25 Tx date 2016-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $24,199 +665 vol $36.39 each | 2,543 | |
| Filed 2017-01-25 Tx date 2017-01-19 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $1,972 +44 vol $44.82 each | 2,587 | |
| Filed 2017-01-25 Tx date 2017-01-19 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $1,500 +35 vol $42.87 each | 2,622 | |
| Filed 2017-01-25 Tx date 2017-01-19 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $1,851 +51 vol $36.30 each | ||
| Filed 2017-01-25 Tx date 2017-01-19 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $1,851 +51 vol $36.30 each | ||
| Filed 2017-01-25 Tx date 2016-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $24,199 +665 vol $36.39 each | 2,127 | |
| Filed 2017-01-25 Tx date 2016-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $14,243 +395 vol $36.06 each | 2,522 | |
| Filed 2016-07-27 Tx date 2016-07-27 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | -2,000 vol | 12,000 | |
| Filed 2016-07-27 Tx date 2016-07-27 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | -2,000 vol | 5,000 | |
| Filed 2016-06-17 Tx date 2016-06-15 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $112,229 +3,000 vol $37.41 each | 14,000 | |
| Filed 2016-03-30 Tx date 2013-12-01 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 36.08 (SAR 2016-03-25)00 - Opening Balance-Initial SEDI Report | |||
| Filed 2016-03-30 Tx date 2016-03-25 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights 36.08 (SAR 2016-03-25)56 - Grant of rights | +2,000 vol | 2,000 | |
| Filed 2016-03-30 Tx date 2016-03-25 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options 36.08 2016-03-2550 - Grant of options | +2,000 vol | 2,000 | |
| Filed 2016-03-30 Tx date 2013-12-01 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options 36.08 2016-03-2500 - Opening Balance-Initial SEDI Report | |||
| Filed 2016-03-30 Tx date 2016-03-25 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Holder: CWTC (Indirect Ownership)
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $144,320 +4,000 vol $36.08 each | 11,000 | |
| Filed 2016-02-12 Tx date 2015-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $6,363 +181 vol $35.16 each | 1,462 | |
| Filed 2016-02-12 Tx date 2015-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $4,549 +113 vol $40.26 each | 1,221 | |
| Filed 2016-02-09 Tx date 2015-12-31 | $ACO ATCO LTD. | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class I30 - Acquisition or disposition under a purchase/ownership plan | $17,900 +430 vol $41.63 each | 1,108 | |
| Filed 2016-02-09 Tx date 2015-12-31 | $CU Canadian Utilities Limited | Creaghan, Patrick 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Non-Voting Shares Class A30 - Acquisition or disposition under a purchase/ownership plan | $21,081 +571 vol $36.92 each | 1,281 |