News Pressroom

June 12, 2006

MedImmune Creates New Long-Term Strategic Planning Post

- Sidney Mazel Joins MedImmune as Senior Vice President of Product Planning and Portfolio Management -

GAITHERSBURG, Md., June 12, 2006 /PRNewswire-FirstCall via COMTEX News Network/ -- MedImmune, Inc. (Nasdaq: MEDI) today announced that Sidney Mazel, Ph.D. has joined the management team as senior vice president, product planning and portfolio management. In this newly created position, Dr. Mazel will lead the life-cycle management of the company's expanding portfolio of products and product candidates. Specifically, he will be responsible for new product planning, project management, market research and competitive intelligence.

"Sid will be bridging between product development and commercialization to drive long-term strategic planning to maximize the value of our existing products and our products in development," said David M. Mott, president and chief executive officer. "He brings tremendous capabilities in life-cycle management and strategic planning from both his experience in industry at Merck and Wyeth and from his background in consulting at Pittiglio, Rabin, Todd and McGrath."

Prior to joining MedImmune, Dr. Mazel held a number of senior leadership positions at Merck & Co., most recently holding the title of vice president of worldwide marketing planning for Merck's obesity and atherosclerosis franchise. In this position, he had global responsibility for the division's long-term business strategy, new product development, market and competitive intelligence, life-cycle strategies, licensing, labeling and opinion leader management. At Merck, he was also selected to lead a corporate-wide franchise life-cycle management project to ensure optimal strategic planning across all therapeutic areas. Previously, Dr. Mazel was a principal with Pittiglio, Rabin, Todd and McGrath, a consulting firm that provides services to improve strategic planning, technology management, product development and marketing operations for leading pharmaceutical and biotechnology companies. Prior to his consulting work, Dr. Mazel held a number of increasingly responsible positions in the research and marketing departments at Wyeth Pharmaceuticals. He received his bachelor's and master's degrees from George Washington University, and his Ph.D. from the University of Maryland.

About MedImmune, Inc.

MedImmune strives to provide better medicines to patients, new medical options for physicians, rewarding careers to employees, and increased value to shareholders. Dedicated to advancing science and medicine to help people live better lives, the company is focused on the areas of infectious disease, cancer and inflammatory diseases. With more than 2,300 employees worldwide, MedImmune is headquartered in Maryland. For more information, visit the company's website at http://www.medimmune.com.

SOURCE MedImmune, Inc.

Media: Jamie Lacey, +1-301-398-4035, Investors: Peter Vozzo, +1-301-398-4358