Exhibit 31.1
CERTIFICATION
I, Jonah Shacknai, certify that:
1. | I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K of Medicis Pharmaceutical Corporation; 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. |
Date: May 5, 2009
JONAH SHACKNAI
/s/ JONAH SHACKNAI
(Jonah Shacknai)
Chairman of the Board and
Chief Executive Officer
(Jonah Shacknai)
Chairman of the Board and
Chief Executive Officer