| 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 2024-03-05 17:07 Tx date 2024-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))56 - Grant of rights | $4,210,471 +173,441 vol $24.28 each | 524,798 | |
| Filed 2024-03-05 17:05 Tx date 2024-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))56 - Grant of rights | $1,403,498 +57,814 vol $24.28 each | 111,986 | |
| Filed 2024-03-05 15:56 Tx date 2023-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-2,233,685.7672 -557,432 vol $4.01 each | 351,357 | |
| Filed 2024-03-05 14:14 Tx date 2024-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-2,521,965.5787 -104,537 vol $24.13 each | 946,451 | |
| Filed 2024-03-05 14:12 Tx date 2024-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $2,521,965 +104,537 vol $24.13 each | 1,050,988 | |
| Filed 2024-03-05 14:05 Tx date 2024-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-2,436,080.2227 -100,977 vol $24.13 each | 54,172 | |
| Filed 2024-01-04 16:53 Tx date 2023-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-4,907,687.0712 -557,432 vol $8.80 each | ||
| Filed 2024-01-04 16:53 Tx date 2023-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-4,907,687.0712 -557,432 vol $8.80 each | 351,357 | |
| Filed 2023-03-30 10:52 Tx date 2023-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,532,122.774 -69,083 vol $22.18 each | 324,352 | |
| Filed 2023-03-30 10:49 Tx date 2023-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,532,122 +69,083 vol $22.18 each | 393,435 | |
| Filed 2023-03-03 17:42 Tx date 2023-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,471,467.90 -69,083 vol $21.30 each | ||
| Filed 2023-03-03 17:42 Tx date 2023-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,471,467 +69,083 vol $21.30 each | ||
| Filed 2023-03-16 14:44 Tx date 2023-03-15 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $90,764 +5,000 vol $18.15 each | 339,352 | |
| Filed 2023-03-16 14:43 Tx date 2023-03-15 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $91,800 +5,000 vol $18.36 each | 334,352 | |
| Filed 2023-03-16 14:41 Tx date 2023-03-15 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $93,150 +5,000 vol $18.63 each | 329,352 | |
| Filed 2023-03-04 12:59 Tx date 2023-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))56 - Grant of rights | $1,050,012 +45,402 vol $23.13 each | 155,149 | |
| Filed 2023-03-04 12:58 Tx date 2023-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))56 - Grant of rights | $3,150,059 +136,207 vol $23.13 each | 908,789 | |
| Filed 2023-03-03 17:42 Tx date 2023-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,471,467.90 -69,083 vol $21.30 each | 324,352 | |
| Filed 2023-03-03 17:42 Tx date 2023-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,471,467 +69,083 vol $21.30 each | 393,435 | |
| Filed 2023-03-03 17:40 Tx date 2023-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-2,428,902.90 -114,033 vol $21.30 each | 109,747 | |
| Filed 2023-01-18 14:14 Tx date 2022-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-3,505,065.2986 -157,819 vol $22.21 each | 324,352 | |
| Filed 2023-01-05 18:24 Tx date 2022-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-3,649,816.8854 -157,819 vol $23.13 each | ||
| Filed 2023-01-05 18:24 Tx date 2022-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-3,649,816.8854 -157,819 vol $23.13 each | 324,352 | |
| Filed 2023-01-05 18:24 Tx date 2022-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,389,454 +157,819 vol $8.80 each | 482,171 | |
| Filed 2023-01-05 18:24 Tx date 2022-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-2,233,688.211 -253,710 vol $8.80 each | 772,582 | |
| Filed 2022-09-27 11:11 Tx date 2022-09-23 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $45,824 +2,500 vol $18.33 each | 324,352 | |
| Filed 2022-06-24 15:49 Tx date 2022-06-23 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $32,932 +2,000 vol $16.47 each | 321,852 | |
| Filed 2022-06-17 12:01 Tx date 2022-06-17 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $186,800 +10,000 vol $18.68 each | 319,852 | |
| Filed 2022-03-04 18:35 Tx date 2022-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))56 - Grant of rights | $2,703,940 +215,150 vol $12.57 each | 1,026,292 | |
| Filed 2022-03-04 18:33 Tx date 2022-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))56 - Grant of rights | $901,305 +71,716 vol $12.57 each | 223,780 | |
| Filed 2022-03-04 17:47 Tx date 2022-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,061,843.846 -64,330 vol $16.51 each | 309,852 | |
| Filed 2022-03-04 17:46 Tx date 2022-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,061,843 +64,330 vol $16.51 each | 374,182 | |
| Filed 2022-03-04 17:45 Tx date 2022-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))10 - Acquisition or disposition in the public market | $-1,061,843.846 -64,330 vol $16.51 each | ||
| Filed 2022-03-04 17:45 Tx date 2022-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $1,061,843 +64,330 vol $16.51 each | ||
| Filed 2022-03-04 17:44 Tx date 2022-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))10 - Acquisition or disposition in the public market | $-1,061,843.846 -64,330 vol $16.51 each | ||
| Filed 2022-03-04 17:42 Tx date 2022-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $1,061,843 +64,330 vol $16.51 each | ||
| Filed 2022-03-04 17:41 Tx date 2022-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-1,847,621.497 -111,935 vol $16.51 each | 152,064 | |
| Filed 2022-01-07 14:07 Tx date 2021-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,663,486.5544 -117,814 vol $14.12 each | 309,852 | |
| Filed 2022-01-07 14:06 Tx date 2021-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,346,036 +117,814 vol $11.43 each | 427,666 | |
| Filed 2022-01-07 14:05 Tx date 2021-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-2,242,495.7778 -196,278 vol $11.43 each | 811,142 | |
| Filed 2022-01-05 19:37 Tx date 2021-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,480,651.0078 -117,814 vol $12.57 each | ||
| Filed 2022-01-05 19:36 Tx date 2021-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,354,613 +117,814 vol $11.50 each | ||
| Filed 2022-01-05 19:25 Tx date 2021-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-2,256,784.8162 -196,278 vol $11.50 each | ||
| Filed 2022-01-05 19:37 Tx date 2021-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,480,651.0078 -117,814 vol $12.57 each | 309,852 | |
| Filed 2022-01-05 19:36 Tx date 2021-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,354,613 +117,814 vol $11.50 each | 427,666 | |
| Filed 2022-01-05 19:25 Tx date 2021-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-2,256,784.8162 -196,278 vol $11.50 each | 811,142 | |
| Filed 2021-11-26 13:35 Tx date 2021-11-26 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $61,750 +5,000 vol $12.35 each | 309,852 | |
| Filed 2021-11-26 13:35 Tx date 2021-11-26 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $61,282 +5,000 vol $12.26 each | 304,852 | |
| Filed 2021-11-19 15:34 Tx date 2021-11-19 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $60,202 +5,000 vol $12.04 each | 299,852 | |
| Filed 2021-07-07 17:51 Tx date 2021-07-07 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $83,500 +10,000 vol $8.35 each | 294,852 | |
| Filed 2021-06-17 16:47 Tx date 2021-06-17 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $81,800 +10,000 vol $8.18 each | 284,852 | |
| Filed 2021-05-20 12:40 Tx date 2021-05-20 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $108,300 +15,000 vol $7.22 each | 274,852 | |
| Filed 2021-05-18 13:08 Tx date 2021-05-18 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $116,250 +15,000 vol $7.75 each | 259,852 | |
| Filed 2021-05-13 12:55 Tx date 2021-05-13 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $109,050 +15,000 vol $7.27 each | 244,852 | |
| Filed 2021-05-12 15:09 Tx date 2021-05-12 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $228,000 +30,000 vol $7.60 each | 229,852 | |
| Filed 2021-05-11 16:45 Tx date 2021-05-11 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $111,150 +15,000 vol $7.41 each | 199,852 | |
| Filed 2021-03-05 14:36 Tx date 2021-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-433,938 -69,990 vol $6.20 each | 263,999 | |
| Filed 2021-03-05 14:34 Tx date 2021-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-236,226.20 -38,101 vol $6.20 each | 184,852 | |
| Filed 2021-03-05 14:32 Tx date 2021-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $236,226 +38,101 vol $6.20 each | 222,953 | |
| Filed 2021-03-05 14:26 Tx date 2021-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-280,456.929 -69,990 vol $4.01 each | ||
| Filed 2021-03-05 13:15 Tx date 2021-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))56 - Grant of rights | $2,233,685 +557,432 vol $4.01 each | 1,007,420 | |
| Filed 2021-03-05 13:13 Tx date 2021-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))56 - Grant of rights | $744,544 +185,811 vol $4.01 each | 333,989 | |
| Filed 2021-01-05 19:58 Tx date 2020-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-673,794.628 -156,130 vol $4.32 each | 184,852 | |
| Filed 2021-01-05 19:54 Tx date 2020-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $673,794 +156,130 vol $4.32 each | 340,982 | |
| Filed 2021-01-05 14:10 Tx date 2020-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $3,452,244 +300,250 vol $11.50 each | 485,102 | |
| Filed 2021-01-05 14:10 Tx date 2020-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $3,452,244 +300,250 vol $11.50 each | ||
| Filed 2021-01-05 14:06 Tx date 2020-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,203,131.775 -300,250 vol $4.01 each | 184,852 | |
| Filed 2021-01-05 14:06 Tx date 2020-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,203,131.775 -300,250 vol $4.01 each | ||
| Filed 2021-01-05 14:03 Tx date 2020-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,203,131 +300,250 vol $4.01 each | ||
| Filed 2021-01-05 14:03 Tx date 2020-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $1,203,131 +300,250 vol $4.01 each | ||
| Filed 2021-01-05 13:59 Tx date 2020-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-2,068,702.168 -179,920 vol $11.50 each | 449,988 | |
| Filed 2020-10-21 18:19 Tx date 2020-10-21 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $52,600 +20,000 vol $2.63 each | 184,852 | |
| Filed 2020-09-14 13:46 Tx date 2020-09-14 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $21,780 +9,000 vol $2.42 each | 164,852 | |
| Filed 2020-09-14 13:46 Tx date 2020-09-14 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $2,400 +1,000 vol $2.40 each | 155,852 | |
| Filed 2020-09-11 13:15 Tx date 2020-09-11 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $26,200 +10,000 vol $2.62 each | 154,852 | |
| Filed 2020-03-19 13:33 Tx date 2020-03-19 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $52,000 +25,000 vol $2.08 each | 144,852 | |
| Filed 2020-03-19 09:23 Tx date 2020-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $185,544 +31,342 vol $5.92 each | 121,194 | |
| Filed 2020-03-19 09:21 Tx date 2020-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-185,544.64 -31,342 vol $5.92 each | 89,852 | |
| Filed 2020-03-19 09:20 Tx date 2020-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $185,544 +31,342 vol $5.92 each | ||
| Filed 2020-03-19 08:51 Tx date 2020-03-18 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $47,570 +25,000 vol $1.90 each | 119,852 | |
| Filed 2020-03-04 18:25 Tx date 2020-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-178,022.56 -31,342 vol $5.68 each | ||
| Filed 2020-03-04 18:25 Tx date 2020-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $178,022 +31,342 vol $5.68 each | ||
| Filed 2020-03-04 17:46 Tx date 2020-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-178,022.56 -31,342 vol $5.68 each | ||
| Filed 2020-03-04 17:46 Tx date 2020-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $178,022 +31,342 vol $5.68 each | ||
| Filed 2020-03-09 15:16 Tx date 2020-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $24,600 +5,000 vol $4.92 each | 94,852 | |
| Filed 2020-03-05 12:41 Tx date 2020-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options (Stock Option Plan)52 - Expiration of options | $-7,522,862.52 -538,887 vol $13.96 each | 0 | |
| Filed 2020-03-04 18:25 Tx date 2020-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-178,022.56 -31,342 vol $5.68 each | 89,852 | |
| Filed 2020-03-04 18:25 Tx date 2020-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $178,022 +31,342 vol $5.68 each | 121,194 | |
| Filed 2020-03-04 18:24 Tx date 2020-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-335,091.60 -58,995 vol $5.68 each | 148,178 | |
| Filed 2020-03-04 17:46 Tx date 2020-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-178,022.56 -31,342 vol $5.68 each | 89,852 | |
| Filed 2020-03-04 17:46 Tx date 2020-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-178,022.56 -31,342 vol $5.68 each | ||
| Filed 2020-03-04 17:46 Tx date 2020-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $178,022 +31,342 vol $5.68 each | ||
| Filed 2020-03-04 17:46 Tx date 2020-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $178,022 +31,342 vol $5.68 each | 121,194 | |
| Filed 2020-03-04 17:44 Tx date 2020-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-335,091.60 -58,995 vol $5.68 each | ||
| Filed 2020-03-04 17:44 Tx date 2020-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-335,091.60 -58,995 vol $5.68 each | 148,178 | |
| Filed 2020-03-03 19:17 Tx date 2020-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))56 - Grant of rights | $2,233,688 +253,710 vol $8.80 each | 629,908 | |
| Filed 2020-03-03 19:16 Tx date 2020-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))56 - Grant of rights | $744,562 +84,570 vol $8.80 each | 207,173 | |
| Filed 2020-01-27 17:59 Tx date 2019-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-2,972,599.21 -319,291 vol $9.31 each | 89,852 | |
| Filed 2020-01-03 18:24 Tx date 2019-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-2,811,069.8931 -319,291 vol $8.80 each | ||
| Filed 2020-01-03 18:24 Tx date 2019-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-2,811,069.8931 -319,291 vol $8.80 each | 89,852 | |
| Filed 2020-01-03 18:23 Tx date 2019-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $4,003,941 +319,291 vol $12.54 each | 409,143 | |
| Filed 2020-01-03 18:14 Tx date 2019-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-1,940,630.6354 -154,754 vol $12.54 each | 376,198 | |
| Filed 2019-07-11 12:46 Tx date 2019-07-09 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options (Stock Option Plan)52 - Expiration of options | $-662,994.99 -50,113 vol $13.23 each | 538,887 | |
| Filed 2019-07-11 12:45 Tx date 2019-07-09 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options (Stock Option Plan)52 - Expiration of options | $-662,994.99 -50,113 vol $13.23 each | 589,000 | |
| Filed 2019-07-11 12:44 Tx date 2019-07-09 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options (Stock Option Plan)52 - Expiration of options | $-683,104.59 -51,633 vol $13.23 each | 639,113 | |
| Filed 2019-06-16 13:01 Tx date 2019-06-14 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $8,936 +1,000 vol $8.94 each | 89,852 | |
| Filed 2019-06-13 23:18 Tx date 2019-06-13 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $9,059 +1,000 vol $9.06 each | 88,852 | |
| Filed 2019-06-12 17:38 Tx date 2019-06-12 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $8,949 +1,000 vol $8.95 each | 87,852 | |
| Filed 2019-06-11 16:25 Tx date 2019-06-11 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $9,110 +1,000 vol $9.11 each | 86,852 | |
| Filed 2019-03-21 Tx date 2019-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-121,614.40 -10,484 vol $11.60 each | ||
| Filed 2019-03-21 Tx date 2019-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-101,848.7106 -9,113 vol $11.18 each | 85,852 | |
| Filed 2019-03-21 Tx date 2019-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-235,132 -20,270 vol $11.60 each | ||
| Filed 2019-03-21 Tx date 2019-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-105,710.80 -9,113 vol $11.60 each | ||
| Filed 2019-03-21 Tx date 2019-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-226,541.574 -20,270 vol $11.18 each | 85,852 | |
| Filed 2019-03-21 Tx date 2019-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-117,171.2808 -10,484 vol $11.18 each | 85,852 | |
| Filed 2019-03-12 Tx date 2019-03-08 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options (Stock Option Plan)52 - Expiration of options | $-6,647,736 -289,032 vol $23.00 each | 690,746 | |
| Filed 2019-03-06 Tx date 2019-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-155,250.351 -37,530 vol $4.14 each | 122,603 | |
| Filed 2019-03-06 Tx date 2019-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-215,627.0195 -17,195 vol $12.54 each | 160,133 | |
| Filed 2019-03-06 Tx date 2019-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $105,710 +9,113 vol $11.60 each | 94,965 | |
| Filed 2019-03-06 Tx date 2019-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $121,614 +10,484 vol $11.60 each | 96,336 | |
| Filed 2019-03-06 Tx date 2019-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-235,132 -20,270 vol $11.60 each | 85,852 | |
| Filed 2019-03-06 Tx date 2019-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-105,710.80 -9,113 vol $11.60 each | 85,852 | |
| Filed 2019-03-06 Tx date 2019-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $235,132 +20,270 vol $11.60 each | 106,122 | |
| Filed 2019-03-06 Tx date 2019-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-229,854.5189 -19,991 vol $11.50 each | 177,328 | |
| Filed 2019-03-06 Tx date 2019-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-121,614.40 -10,484 vol $11.60 each | 85,852 | |
| Filed 2019-03-05 Tx date 2019-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))56 - Grant of rights | $747,498 +65,426 vol $11.43 each | 197,319 | |
| Filed 2019-03-05 Tx date 2019-03-01 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))56 - Grant of rights | $2,242,495 +196,278 vol $11.43 each | 530,952 | |
| Filed 2019-02-12 Tx date 2018-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-173,018.44 -13,454 vol $12.86 each | 131,893 | |
| Filed 2019-02-12 Tx date 2016-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-1,137,173.8883 -90,683 vol $12.54 each | ||
| Filed 2019-02-12 Tx date 2016-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-1,506,961.0257 -90,683 vol $16.62 each | ||
| Filed 2019-02-12 Tx date 2016-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-1,286,009.4273 -77,387 vol $16.62 each | 419,985 | |
| Filed 2019-02-12 Tx date 2018-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-209,926.64 -16,324 vol $12.86 each | ||
| Filed 2019-01-08 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-6,538,287.6774 -572,274 vol $11.43 each | ||
| Filed 2019-01-08 Tx date 2017-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $2,945,322 +572,274 vol $5.15 each | ||
| Filed 2019-01-08 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-3,101,743.2735 -271,485 vol $11.43 each | 321,378 | |
| Filed 2019-01-08 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $2,945,322 +572,274 vol $5.15 each | ||
| Filed 2019-01-08 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-6,538,287.6774 -572,274 vol $11.43 each | ||
| Filed 2019-01-08 Tx date 2017-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-1,397,251.8495 -271,485 vol $5.15 each | ||
| Filed 2019-01-08 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $2,945,322 +572,274 vol $5.15 each | ||
| Filed 2019-01-08 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-6,538,287.6774 -572,274 vol $11.43 each | ||
| Filed 2019-01-08 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-1,397,251.8495 -271,485 vol $5.15 each | ||
| Filed 2019-01-08 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $2,945,322 +572,274 vol $5.15 each | ||
| Filed 2019-01-04 Tx date 2017-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $2,945,322 +572,274 vol $5.15 each | ||
| Filed 2019-01-04 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $2,945,322 +572,274 vol $5.15 each | 658,126 | |
| Filed 2019-01-04 Tx date 2017-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-1,397,251.8495 -271,485 vol $5.15 each | 141,458 | |
| Filed 2019-01-04 Tx date 2018-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-6,538,287.6774 -572,274 vol $11.43 each | 85,852 | |
| Filed 2018-12-21 Tx date 2018-12-21 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $20,499 +2,000 vol $10.25 each | 85,852 | |
| Filed 2018-12-20 Tx date 2018-12-20 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $21,830 +2,000 vol $10.91 each | 83,852 | |
| Filed 2018-09-07 Tx date 2018-09-07 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $14,780 +1,000 vol $14.78 each | 81,852 | |
| Filed 2018-09-06 Tx date 2018-09-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $14,883 +1,000 vol $14.88 each | 80,852 | |
| Filed 2018-03-13 Tx date 2018-03-10 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options (Stock Option Plan)52 - Expiration of options | $-3,200,025.60 -105,264 vol $30.40 each | 979,778 | |
| Filed 2018-03-07 Tx date 2018-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-229,188.96 -16,324 vol $14.04 each | 79,852 | |
| Filed 2018-03-07 Tx date 2018-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-542,631.96 -38,649 vol $14.04 each | 79,852 | |
| Filed 2018-03-07 Tx date 2018-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $159,620 +38,649 vol $4.13 each | 118,501 | |
| Filed 2018-03-07 Tx date 2018-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-243,973.08 -17,377 vol $14.04 each | 79,852 | |
| Filed 2018-03-07 Tx date 2018-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $217,907 +17,377 vol $12.54 each | 97,229 | |
| Filed 2018-03-07 Tx date 2018-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $209,926 +16,324 vol $12.86 each | 96,176 | |
| Filed 2018-03-07 Tx date 2018-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $217,907 +17,377 vol $12.54 each | ||
| Filed 2018-03-07 Tx date 2018-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $217,907 +17,377 vol $12.54 each | ||
| Filed 2018-03-07 Tx date 2018-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-209,926.64 -16,324 vol $12.86 each | 129,023 | |
| Filed 2018-03-07 Tx date 2018-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-159,620.37 -38,649 vol $4.13 each | 145,347 | |
| Filed 2018-03-07 Tx date 2018-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-217,907.58 -17,377 vol $12.54 each | 183,996 | |
| Filed 2018-03-07 Tx date 2018-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | $-217,907.58 -17,377 vol $12.54 each | ||
| Filed 2018-03-06 Tx date 2018-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))56 - Grant of rights | $2,068,702 +179,920 vol $11.50 each | 592,863 | |
| Filed 2018-03-06 Tx date 2018-03-02 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))56 - Grant of rights | $689,563 +59,973 vol $11.50 each | 201,373 | |
| Filed 2018-01-23 Tx date 2018-01-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-4,257,772.02 -333,159 vol $12.78 each | 79,852 | |
| Filed 2018-01-23 Tx date 2018-01-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-4,101,187.29 -333,159 vol $12.31 each | ||
| Filed 2018-01-04 Tx date 2017-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))57 - Exercise of rights | $-1,707,750 -148,500 vol $11.50 each | 412,943 | |
| Filed 2018-01-04 Tx date 2018-01-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-4,101,187.29 -333,159 vol $12.31 each | 79,852 | |
| Filed 2018-01-04 Tx date 2017-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $3,831,328 +333,159 vol $11.50 each | 413,011 | |
| Filed 2017-03-30 Tx date 2017-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-172,842.9538 -16,154 vol $10.70 each | 79,852 | |
| Filed 2017-03-30 Tx date 2017-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-189,486.42 -16,154 vol $11.73 each | ||
| Filed 2017-03-30 Tx date 2017-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $172,842 +16,154 vol $10.70 each | 96,006 | |
| Filed 2017-03-30 Tx date 2017-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $189,486 +16,154 vol $11.73 each | ||
| Filed 2017-03-30 Tx date 2017-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-96,222.4021 -8,993 vol $10.70 each | 79,852 | |
| Filed 2017-03-30 Tx date 2017-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-105,487.89 -8,993 vol $11.73 each | ||
| Filed 2017-03-30 Tx date 2017-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $96,222 +8,993 vol $10.70 each | 88,845 | |
| Filed 2017-03-30 Tx date 2017-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $105,487 +8,993 vol $11.73 each | ||
| Filed 2017-03-30 Tx date 2017-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-409,199.3268 -38,244 vol $10.70 each | 79,852 | |
| Filed 2017-03-30 Tx date 2017-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-448,602.12 -38,244 vol $11.73 each | ||
| Filed 2017-03-30 Tx date 2017-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $409,199 +38,244 vol $10.70 each | 118,096 | |
| Filed 2017-03-30 Tx date 2017-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $448,602 +38,244 vol $11.73 each | ||
| Filed 2017-03-09 Tx date 2017-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-189,486.42 -16,154 vol $11.73 each | 79,852 | |
| Filed 2017-03-09 Tx date 2017-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | -14,756 vol | 141,400 | |
| Filed 2017-03-09 Tx date 2017-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | -7,729 vol | 156,156 | |
| Filed 2017-03-09 Tx date 2017-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | -37,530 vol | 163,885 | |
| Filed 2017-03-09 Tx date 2017-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-105,487.89 -8,993 vol $11.73 each | 79,852 | |
| Filed 2017-03-09 Tx date 2017-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $105,487 +8,993 vol $11.73 each | 88,845 | |
| Filed 2017-03-09 Tx date 2017-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-448,602.12 -38,244 vol $11.73 each | 79,852 | |
| Filed 2017-03-09 Tx date 2017-03-04 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $448,602 +38,244 vol $11.73 each | 118,096 | |
| Filed 2017-03-09 Tx date 2017-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $189,486 +16,154 vol $11.73 each | 96,006 | |
| Filed 2017-03-08 Tx date 2017-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))56 - Grant of rights | $646,881 +51,585 vol $12.54 each | 201,415 | |
| Filed 2017-03-08 Tx date 2017-03-03 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))56 - Grant of rights | $1,940,630 +154,754 vol $12.54 each | 561,443 | |
| Filed 2017-02-03 Tx date 2016-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-1,506,961.0257 -90,683 vol $16.62 each | 406,689 | |
| Filed 2017-02-03 Tx date 2016-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-1,137,173.8883 -90,683 vol $12.54 each | ||
| Filed 2017-01-04 Tx date 2016-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights (Rights Incentive Plan)58 - Expiration of rights | -29,634 vol | 0 | |
| Filed 2017-01-04 Tx date 2016-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-1,137,173.8883 -90,683 vol $12.54 each | 406,689 | |
| Filed 2016-05-31 Tx date 2016-05-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares15 - Acquisition or disposition under a prospectus | $103,500 +15,000 vol $6.90 each | 79,852 | |
| Filed 2016-03-29 Tx date 2016-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-76,683.9678 -15,851 vol $4.84 each | 64,852 | |
| Filed 2016-03-29 Tx date 2016-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-61,977.41 -15,851 vol $3.91 each | ||
| Filed 2016-03-29 Tx date 2016-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $76,683 +15,851 vol $4.84 each | 80,703 | |
| Filed 2016-03-29 Tx date 2016-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $61,977 +15,851 vol $3.91 each | ||
| Filed 2016-03-29 Tx date 2016-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-42,698.4228 -8,826 vol $4.84 each | 64,852 | |
| Filed 2016-03-29 Tx date 2016-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-34,509.66 -8,826 vol $3.91 each | ||
| Filed 2016-03-29 Tx date 2016-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $42,698 +8,826 vol $4.84 each | 73,678 | |
| Filed 2016-03-29 Tx date 2016-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $34,509 +8,826 vol $3.91 each | ||
| Filed 2016-03-18 Tx date 2016-03-16 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))56 - Grant of rights | $465,751 +112,590 vol $4.14 each | 149,830 | |
| Filed 2016-03-18 Tx date 2016-03-16 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))56 - Grant of rights | $1,397,251 +271,485 vol $5.15 each | 497,372 | |
| Filed 2016-03-14 Tx date 2015-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-405,505.437 -37,995 vol $10.67 each | 225,887 | |
| Filed 2016-03-14 Tx date 2015-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-393,829.5735 -37,995 vol $10.37 each | ||
| Filed 2016-03-14 Tx date 2015-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-162,202.1748 -15,198 vol $10.67 each | 263,882 | |
| Filed 2016-03-14 Tx date 2015-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-157,531.8294 -15,198 vol $10.37 each | ||
| Filed 2016-03-10 Tx date 2016-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | -14,755 vol | 37,240 | |
| Filed 2016-03-10 Tx date 2016-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Restricted Share Unit Plan ("RSU"))57 - Exercise of rights | -7,730 vol | 51,995 | |
| Filed 2016-03-10 Tx date 2016-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-61,977.41 -15,851 vol $3.91 each | 64,852 | |
| Filed 2016-03-10 Tx date 2016-03-06 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $61,977 +15,851 vol $3.91 each | 80,703 | |
| Filed 2016-03-10 Tx date 2016-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-34,509.66 -8,826 vol $3.91 each | 64,852 | |
| Filed 2016-03-10 Tx date 2016-03-05 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares57 - Exercise of rights | $34,509 +8,826 vol $3.91 each | 73,678 | |
| Filed 2016-01-04 Tx date 2015-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights (Rights Incentive Plan)58 - Expiration of rights | -29,634 vol | 29,634 | |
| Filed 2016-01-04 Tx date 2015-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Rights (Rights Incentive Plan)58 - Expiration of rights | -19,239 vol | 59,268 | |
| Filed 2016-01-04 Tx date 2015-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-393,829.5735 -37,995 vol $10.37 each | 225,887 | |
| Filed 2016-01-04 Tx date 2015-12-31 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-157,531.8294 -15,198 vol $10.37 each | 263,882 | |
| Filed 2015-07-24 Tx date 2015-06-30 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-372,238.0746 -16,807 vol $22.15 each | 279,080 | |
| Filed 2015-07-24 Tx date 2015-06-30 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-244,877.99 -16,807 vol $14.57 each | ||
| Filed 2015-07-05 Tx date 2015-06-30 | $ERF Enerplus Corporation | DUNDAS, Ian Charles 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares (Performance Share Unit Plan ("PSU"))59 - Exercise for cash | $-244,877.99 -16,807 vol $14.57 each | 279,080 |