Executive Management
Quicksilver Resources Inc.
| Glenn Darden | President and Chief Executive Officer |
| John C. Cirone | Executive Vice President, General Counsel and Secretary |
| Stan G. Page | Senior Vice President - U.S. Operations |
| John C. Regan | Senior Vice President – Chief Financial Officer and Chief Accounting Officer |
| C. Clay Blum | Vice President – Land |
| John Callanan | Vice President – Geology |
| Scott Herstein | Vice President - Acquisitions & Divestitures |
| Vanessa Gomez LaGatta | Vice President – Treasurer |
| Chris M. Mundy | Vice President - Chief Reservoir Engineer |
| Clifford C. Rupnow | Vice President – Midstream Development |
| Anne D. Self | Vice President - Human Resources |
Major Subsidiary
Quicksilver Resources Canada Inc.
| J. David Rushford | Senior VP and Chief Operating Officer of Quicksilver Resources Canada Inc. |