| POST OAK ENERGY PARTNERS V, LP | Venture Capital Fund | Delaware | 32 | $595.8M | $5.0M |
| POST OAK ENERGY PARTNERS IV, LP | Venture Capital Fund | Delaware | 32 | $507.2M | $5.0M |
| POST OAK ENERGY PARTNERS III, LP | Venture Capital Fund | Delaware | 32 | $288.5M | $5.0M |
| POST OAK ENERGY PARTNERS II, LP | Venture Capital Fund | Delaware | 24 | $208.8M | $5.0M |
| POM V CO-INVESTMENT, LLC | Venture Capital Fund | Delaware | 20 | $158.4M | — |
| POEP CO-INVEST, LP | Venture Capital Fund | Delaware | 2 | $42.4M | — |
| POEP IV INVESTMENT HOLDINGS LLC | Venture Capital Fund | Delaware | 4 | $449K | $25K |
| POST OAK ENERGY PARTNERS, LP | Venture Capital Fund | Delaware | 7 | $302K | $5.0M |
| POEP III INVESTMENT HOLDINGS LLC | Venture Capital Fund | Delaware | 3 | $174K | $25K |
| POEP II RIMROCK CO-INVESTMENT, LLC | Venture Capital Fund | Delaware | 16 | $116K | — |
| POEP II INVESTMENT HOLDINGS LLC | Venture Capital Fund | Delaware | 3 | $116K | $25K |
| POEP IV LAYNE WATER CO-INVESTMENT, LLC | Venture Capital Fund | Delaware | 2 | $61K | — |