EXHIBIT 31.1
CERTIFICATIONS
I, Stephen M. Johnson, certify that:
1. | I have reviewed this annual report on Form 10-K of McDermott International, Inc. for the year ended December 31, 2011; and |
2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
April 3, 2012
/s/ STEPHEN M. JOHNSON |
Stephen M. Johnson |
Chairman of the Board, President and Chief Executive Officer |