Invitrogen Corp.

Raymond V. Dittamore has served as a Director of the Company since December 2002. Mr. Dittamore is a retired audit partner of Ernst & Young LLP, an international accounting firm. Mr. Dittamore retired in 2001 after 35 years of service with that firm, including 14 years as the managing partner of the firms San Diego office. Mr. Dittamore is also a director of Invitrogen Corporation, Gen-Probe Incorporated, and Digirad Corporation. Mr. Dittamore received a B.S. degree from San Diego State University.

W. Ann Reynolds, 71, formerly President and Professor of Biology at The University of Alabama at Birmingham, located in Birmingham, Alabama, until 2002. Director since 2006; formerly a Director of OCD since 1993. A graduate of Kansas State Teachers College and the University of Iowa, where she earned a Ph.D. degree, Dr. Reynolds previously served as Chancellor of the City University of New York and as Chancellor of the California State University System. In prior years, she was Provost of the Ohio State University and Professor of Anatomy and Vice Chancellor for Research at the University of Illinois at the Medical Center. Dr. Reynolds is a director of Humana, Inc., Abbott Laboratories, Invitrogen Corporation, and the News-Gazette, Champaign, Illinois.