Pfizer Board of Directors Elects Constance J. Horner to Serve as Lead Director

Pfizer said today that Constance J. Horner, a member of the company's Board of Directors since 1993, has been elected lead director effective February 23. She succeeds Dr. Stanley O. Ikenberry, who has announced plans to retire from the board effective March 22, 2007 in accordance with Pfizer's mandatory retirement age.

Horner will preside over executive sessions of Pfizer's independent directors and will facilitate information flow and communication between the directors and the chairman, in addition to other duties specified by the board. Going forward, the lead director, who will be elected annually, will be expected to serve a multi-year term.

Horner also serves as chair of the board's Corporate Governance Committee.

"Connie Horner has demonstrated outstanding leadership during her 14 years on our board and will bring her experience and insights to this important role," Dr. Ikenberry said.

Horner was Guest Scholar in Governmental Studies at the Brookings Institution from 1993 until 2005. She joined Brookings after serving in the White House from 1991 to 1993 as Assistant to President George H. W. Bush and Director of Presidential Personnel. She was Deputy Secretary of the U.S. Department of Health and Human Services from 1989 to 1991, and Director of the U.S. Office of Personnel Management from 1985 to 1989. She served in both administrations of President Ronald Reagan, first as Associate Director for Economics and Government of the Office of Management and Budget and then as Head of the Office of Personnel Management.

Horner is a Director of Ingersoll-Rand Company Limited and Prudential Financial, Inc.; a Fellow of the National Academy of Public Administration; Trustee of the Annie E. Casey Foundation; and a member of the Board of Trustees of the Prudential Foundation.