Corporate Governance

Committee Composition

Audit Committee
W. Kent Geer* (Chair)
Robert J. Keegan
John Palmour

Compensation Committee
Robert J. Keegan (Chair)
W. Kent Geer
Machelle Sanders


Nominating and Corporate Governance Committee
Sean Murphy (Chair)
Robert A. Ingram
John Palmour

Science and Technology Committee
Eugene Sun (Chair)
Machelle Sanders
Paula Brown Stafford
Nathan Stasko

* The board of directors has determined that Mr. Geer is an "audit committee financial expert" as that term is defined by the SEC rules implementing Section 407 of the Sarbanes-Oxley Act, and that he possesses financial sophistication as defined under the listing standards of The NASDAQ Global Market.