| 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 2017-05-04 Tx date 2016-12-31 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $71,979 +2,114 vol $34.05 each | 39,028 | |
| Filed 2017-05-04 Tx date 2016-12-31 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $71,979 +2,114 vol $34.05 each | ||
| Filed 2017-03-06 Tx date 2016-12-31 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares30 - Acquisition or disposition under a purchase/ownership plan | $71,979 +2,114 vol $34.05 each | 39,028 | |
| Filed 2017-03-03 Tx date 2017-03-01 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options50 - Grant of options | $1,186,940 +32,200 vol $36.86 each | ||
| Filed 2017-03-03 Tx date 2017-03-03 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Executive Performance Share Units59 - Exercise for cash | $-179,598.32 -5,080 vol $35.35 each | 20,151 | |
| Filed 2017-03-03 Tx date 2017-03-03 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Executive Performance Share Units56 - Grant of rights | $42,424 +1,200 vol $35.35 each | 25,231 | |
| Filed 2017-03-03 Tx date 2017-03-01 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Executive Performance Share Units56 - Grant of rights | $256,493 +7,255 vol $35.35 each | 24,031 | |
| Filed 2017-03-03 Tx date 2016-12-31 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Executive Performance Share Units30 - Acquisition or disposition under a purchase/ownership plan | $23,120 +660 vol $35.03 each | 16,776 | |
| Filed 2017-03-03 Tx date 2017-03-03 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $115,824 +5,000 vol $23.16 each | 39,414 | |
| Filed 2017-03-03 Tx date 2017-03-03 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-182,175 -5,000 vol $36.44 each | 34,414 | |
| Filed 2017-03-03 Tx date 2017-03-03 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-115,824 -5,000 vol $23.16 each | 144,300 | |
| Filed 2017-03-03 Tx date 2017-03-01 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options50 - Grant of options | $1,187,188 +32,200 vol $36.87 each | 153,300 | |
| Filed 2017-03-02 Tx date 2017-03-02 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-145,745.20 -4,000 vol $36.44 each | 34,414 | |
| Filed 2017-03-02 Tx date 2017-03-02 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-92,659.20 -4,000 vol $23.16 each | 117,100 | |
| Filed 2017-03-02 Tx date 2017-03-02 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $92,659 +4,000 vol $23.16 each | 38,414 | |
| Filed 2017-02-17 Tx date 2017-02-16 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-115,824 -5,000 vol $23.16 each | 121,100 | |
| Filed 2017-02-17 Tx date 2017-02-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $115,824 +5,000 vol $23.16 each | 41,914 | |
| Filed 2017-02-17 Tx date 2017-02-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-186,142 -5,000 vol $37.23 each | 36,914 | |
| Filed 2017-02-17 Tx date 2017-02-15 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $115,824 +5,000 vol $23.16 each | 41,914 | |
| Filed 2017-02-17 Tx date 2017-02-15 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-185,989 -5,000 vol $37.20 each | 36,914 | |
| Filed 2017-02-17 Tx date 2017-02-16 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $115,824 +5,000 vol $23.16 each | 41,914 | |
| Filed 2017-02-17 Tx date 2017-02-16 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-187,385 -5,000 vol $37.48 each | 36,914 | |
| Filed 2017-02-17 Tx date 2017-02-17 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-93,675 -2,500 vol $37.47 each | 34,414 | |
| Filed 2017-02-17 Tx date 2017-02-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-115,824 -5,000 vol $23.16 each | 131,100 | |
| Filed 2017-02-17 Tx date 2017-02-15 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-115,824 -5,000 vol $23.16 each | 126,100 | |
| Filed 2016-11-18 Tx date 2016-11-18 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-13,898.88 -600 vol $23.16 each | 136,100 | |
| Filed 2016-11-18 Tx date 2016-11-18 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-20,907 -600 vol $34.84 each | 36,914 | |
| Filed 2016-11-18 Tx date 2016-11-18 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $13,898 +600 vol $23.16 each | 37,514 | |
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-246,920.31 -9,100 vol $27.13 each | ||
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-246,920.31 -9,100 vol $27.13 each | ||
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-352,542.52 -10,100 vol $34.91 each | 36,914 | |
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $274,290 +10,100 vol $27.16 each | 47,014 | |
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-317,723.77 -9,100 vol $34.91 each | 36,914 | |
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $246,920 +9,100 vol $27.13 each | 46,014 | |
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $317,723 +9,100 vol $34.91 each | ||
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $317,723 +9,100 vol $34.91 each | ||
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-274,290.75 -10,100 vol $27.16 each | 136,700 | |
| Filed 2016-11-14 Tx date 2016-11-14 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options Common Share - Stock Options51 - Exercise of options | $-246,920.31 -9,100 vol $27.13 each | 146,800 | |
| Filed 2016-03-09 Tx date 2016-03-08 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-91,156 -2,600 vol $35.06 each | 36,914 | |
| Filed 2016-03-04 Tx date 2016-03-04 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Executive Performance Share Units59 - Exercise for cash | $-234,171.84 -6,720 vol $34.85 each | 16,116 | |
| Filed 2016-03-04 Tx date 2016-03-01 | $GWO Great-West Lifeco Inc. | Allison, Brian Robert 
                                7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Executive Performance Share Units56 - Grant of rights | $63,456 +1,821 vol $34.85 each | 22,836 |