Common use of Revocability of Proxies Clause in Contracts

Revocability of Proxies. If you are a stockholder of record of ▇▇▇▇▇▇, whether you vote by phone, the Internet or mail, you can change or revoke your proxy before it is voted at the meeting in one of the following ways: • submit a new proxy card bearing a later date; • vote again by phone or the Internet at a later time; • give written notice before the meeting to the Concho Senior Vice President, General ▇▇▇▇▇▇▇ and Corporate Secretary at the above address stating that you are revoking your proxy; or • attend the Concho special meeting and vote your shares in person. Please note that your attendance at the meeting will not alone serve to revoke your proxy.

Revocability of Proxies. If you are a stockholder of record of ▇▇▇▇▇▇RSP, whether you vote by phone, the Internet or mail, you can change or revoke your proxy before it is voted at the meeting in one of the following ways: • submit a new proxy card bearing a later date; • vote again by phone or the Internet at a later time; • give written notice before the meeting to the Concho Senior RSP Vice President, General ▇▇▇▇▇▇▇ Counsel and Corporate Secretary at the above address stating that you are revoking your proxy; or • attend the Concho RSP special meeting and vote your shares in person. Please note that your attendance at the meeting will not alone serve to revoke your proxy.