| Christopher J Kirk | Director | South San Francisco, CA |
| -- Wellington Hedge Administrator, LLC | Executive Officer | Boston, MA |
| -- Wellington Hedge Administrator, LLC | Promoter | Boston, MA |
| -- Wellington Management Company LLP | Executive Officer | Boston, MA |
| -- Wellington Management Company LLP | Promoter | Boston, MA |
| -- Wellington Alternative Investments LLC | Executive Officer | Boston, MA |
| -- Wellington Alternative Investments LLC | Promoter | Boston, MA |
| -- Wellington Management Investment, Inc. | Executive Officer | Boston, MA |
| Christopher G Kirk | Director | Boston, MA |
| Susan G O'Connell | Director | Boston, MA |
| -- Wellington Hedge Management LLC | Executive Officer | Boston, MA |
| -- Wellington Hedge Management LLC | Promoter | Boston, MA |
| Edward G Steinborn | Director | Boston, MA |
| John E Bruno | Director | Boston, MA |
| Neil A Medugno | Director | Boston, MA |