| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | HINES-SENTIO HEATHCARE OPPORTUNITY FUND LP | 1778223 | 07/17/2019 | D/A | $200,000,000 | $300,000 |
| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | USEDC 2016 Drilling Fund LP | 1681337 | 10/24/2016 | D/A | $100,000,000 | $300,000 |
| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | Strategic Energy Income Fund V LP | 1699602 | 12/06/2018 | D/A | $50,000,000 | $250,000 |
| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | USEDC 2022 Drilling Fund LP | 1935689 | 11/03/2022 | D/A | $150,000,000 | $250,000 |
| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | USEDC 2017 A Drilling Fund LP | 1708870 | 10/04/2017 | D/A | $75,000,000 | $200,000 |
| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | USEDC 2017 B Drilling Fund LP | 1708903 | 12/28/2017 | D/A | $100,000,000 | $200,000 |
| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | USEDC 2018 A Drilling Fund LP | 1739764 | 08/29/2018 | D/A | $75,000,000 | $200,000 |
| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | USEDC 2018 B Drilling Fund LP | 1739763 | 12/27/2018 | D/A | $100,000,000 | $200,000 |
| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | USEDC 2019 A Drilling Fund LP | 1781953 | 11/14/2019 | D/A | $200,000,000 | $200,000 |
| CAMBRIDGE INVESTMENT RESEARCH, INC. | 39543 | USEDC 2021 Drilling Fund LP | 1856119 | 01/03/2022 | D/A | $100,000,000 | $200,000 |
