| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 04/29/2021 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Sale | Common Stock | 13.5k | $15.28 | $206.1k | | 02/26/2021 |
| 02/26/2021 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Other (acquisition) | Common Stock | 94.368 | $0.00 | $0 | | 02/26/2021 |
| 01/08/2018 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Payment of Exercise | Common Stock | 352 | $20.49 | $7.2k | | 01/08/2018 |
| 01/08/2018 | ADAMS DIVERSIFIED EQUITY FUND, INC. | ADX | Payment of Exercise | Common Stock | 604 | $15.39 | $9.3k | | 01/08/2018 |
| 01/09/2017 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Payment of Exercise | Common Stock | 304 | $20.39 | $6.2k | | 01/09/2017 |
| 02/01/2016 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Purchase | Common Stock | 3.1k | $16.29 | $50.5k | | 12/31/2015 |
| 02/01/2016 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Purchase | Common Stock | 310 | $16.27 | $5k | | 12/31/2015 |
| 01/14/2016 | ADAMS DIVERSIFIED EQUITY FUND, INC. | ADX | Other (disposition) | Common Stock | 794 | $11.02 | $8.7k | | 01/14/2016 |
| 01/14/2016 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Other (disposition) | Common Stock | 18 | $16.10 | $289.8 | | 01/14/2016 |
| 12/31/2015 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Other (acquisition) | Common Stock | 271.726 | $0.00 | $0 | | 12/31/2015 |
| 12/31/2015 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Other (acquisition) | Common Stock | 3.1k | $0.00 | $0 | By Issuer's Thrift Plan Trust | 12/31/2015 |
| 01/22/2015 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Purchase | Common Stock | 2.7k | $24.16 | $65.2k | By Issuer's Thrift Plan Trust | 01/22/2015 |
| 01/12/2015 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Other (disposition) | Common Stock | 96 | $0.00 | $0 | | 01/12/2015 |
| 01/12/2015 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Other (disposition) | Common Stock | 96 | $0.00 | $0 | | 01/12/2015 |
| 01/12/2015 | ADAMS DIVERSIFIED EQUITY FUND, INC. | ADX | Other (disposition) | Common Stock | 1.1k | $0.00 | $0 | | 01/12/2015 |
| 01/12/2015 | ADAMS DIVERSIFIED EQUITY FUND, INC. | ADX | Payment of Exercise | Common Stock | 756 | $13.58 | $10.3k | | 01/12/2015 |
| 01/08/2015 | ADAMS DIVERSIFIED EQUITY FUND, INC. | ADX | Grant | Common Stock | 1.5k | $13.65 | $20k | | 01/08/2015 |
| 01/08/2015 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Grant | Common Stock | 854 | $23.40 | $20k | | 01/08/2015 |
| 01/13/2014 | ADAMS DIVERSIFIED EQUITY FUND, INC. | ADX | Other (disposition) | Common Stock | 1.6k | $0.00 | $0 | | 01/13/2014 |
| 01/13/2014 | ADAMS DIVERSIFIED EQUITY FUND, INC. | ADX | Payment of Exercise | Common Stock | 476 | $12.93 | $6.2k | | 01/13/2014 |
| 01/13/2014 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Payment of Exercise | Common Stock | 438 | $26.81 | $11.7k | | 01/13/2014 |
| 01/13/2014 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Payment of Exercise | Common Stock | 438 | $26.81 | $11.7k | | 01/13/2014 |
| 01/09/2014 | ADAMS DIVERSIFIED EQUITY FUND, INC. | ADX | Grant | Common Stock | 1.5k | $12.98 | $20k | | 01/09/2014 |
| 01/09/2014 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Grant | Common Stock | 739 | $27.04 | $20k | | 01/09/2014 |
| 01/13/2011 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Grant | Common Stock | 1.1k | $0.00 | $0 | | 12/31/2010 |
| 12/31/2010 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Other (acquisition) | Common Stock | 8 | $0.00 | $0 | | 12/31/2010 |
| 12/31/2010 | ADAMS NATURAL RESOURCES FUND, INC. | PEO | Other (acquisition) | Common Stock | 244 | $0.00 | $0 | By Issuer's Thrift Plan Trust | 12/31/2010 |
| 08/30/2010 | ADAMS DIVERSIFIED EQUITY FUND, INC. | ADX | Payment of Exercise | Common Stock | 147 | $9.19 | $1.4k | Direct and Indirect | 08/30/2010 |