Exhibit 10.16 CAMERON INTERNATIONAL CORPORATION SEVENTH AMENDMENT TO THE 2005 EQUITY INCENTIVE PLAN WHEREAS, CAMERON INTERNATIONAL CORPORATION (the "Company") has heretofore adopted the 2005 EQUITY INCENTIVE PLAN (the "Plan") ; and WHEREAS, the Company desires to amend the Plan in certain respects: NOW, THEREFORE, the Plan shall be amended as follows, effective May 13, 2009: 1. The number "23,804,100" shall be substituted for the number "15,054,100" in the first sentence of Section 3.1 of the Plan. 2. As amended hereby, the Plan is specifically ratified and reaffirmed. APPROVED: /s/ William C. Lemmer William C. Lemmer Senior Vice President, General Counsel and Secretary Date: May 13, 2009