News Pressroom

October 19, 2004

MedImmune Promotes Edward Connor, M.D., to Executive Vice President & Chief Medical Officer and Appoints New Senior Executives

GAITHERSBURG, Md., Oct 19, 2004 /PRNewswire-FirstCall via COMTEX/ -- MedImmune, Inc. (Nasdaq: MEDI) announced today that it has promoted Edward Connor, M.D., formerly senior vice president of clinical development and chief medical officer, to executive vice president and chief medical officer. In addition, the company has appointed George Kemble, Ph.D., to vice president, viral vaccines research and development, and general manager of MedImmune's California facilities, and Dirk Reitsma, M.D., to vice president, clinical development, oncology. MedImmune has also recently expanded its management team with the additions of Mark Spring, vice president, finance and controller, and Sam Yonren, M.D., vice president, product safety.

"Ed's promotion reflects his many contributions to MedImmune's success over the past 10 years," said David M. Mott, president and chief executive officer at MedImmune. "His dedication as a physician to our corporate mission of advancing science for better health has helped to solidify MedImmune's position as a leader in the biotech industry and in bringing innovative and improved products to market."

As executive vice president and chief medical officer, Dr. Connor is responsible for directing all medical activities for MedImmune, which include clinical development, medical affairs and product safety. He also plays an integral role in defining the strategic vision of the company.

Dr. Connor joined MedImmune in 1994 as director of clinical studies. He has held positions of increasing responsibility for the last decade. Earlier this year, Dr. Connor was appointed chief medical officer and was given additional responsibilities for overseeing the medical affairs group. Prior to joining MedImmune, Dr. Connor served as the chief of pediatric infectious diseases, director of pediatric HIV research, and principal investigator of the National Institutes of Health-funded pediatric AIDS clinical trials unit at the University of Medicine and Dentistry of New Jersey. During that time, Dr. Connor also served at a national level as chairman of the pediatric AIDS clinical trials group and the perinatal HIV research committee. Dr. Connor holds a bachelor's degree in biology from Villanova University in Villanova, PA, and a doctorate from University of Pennsylvania School of Medicine.

"As MedImmune has grown, so has the breadth and depth of our management team," Mott added. "I am pleased to recognize the hard work and accomplishments of several of our leaders who have contributed to the continued success of the company, whose talent and scientific expertise will help fuel future growth."

Dr. George Kemble was promoted to vice president, viral vaccines research and development, and general manager of MedImmune's California facilities in August 2004. After working as a staff scientist and senior scientist, Dr. Kemble was promoted to director of research in 1999, and senior director in 2002. Over the past 11 years, Dr. Kemble has been critically involved in several programs within the company including the basic mechanisms of attenuation and immunogenicity for FluMist(R) (Influenza Virus Vaccine Live, Intranasal), as well as a vaccine to prevent mental retardation and hearing loss in newborns caused by cytomegalovirus. Dr. Kemble holds a bachelor of science in biology from Santa Clara University and a doctorate degree from the department of microbiology and immunology at Stanford University.

Dr. Dirk Reitsma was appointed vice president, clinical development, oncology in September 2004. He joined MedImmune as senior director in 2003 after a substantial career in oncology drug development at Novartis Pharmaceuticals. Since joining MedImmune he has served in a number of capacities in the oncology group including project director for the Vitaxin(R) program in prostate cancer. Recently, Dr. Reitsma was appointed acting head of oncology and has provided clinical development leadership to all of the active oncology clinical programs. Dr. Reitsma received a bachelor's degree in science from the Medical Faculty of Rotterdam and a medical degree from Erasmus University in The Netherlands.

Mark Spring recently joined MedImmune as vice president, finance and controller, with more than 20 years of experience in the finance and accounting industry. He comes to MedImmune from Baxter International, Inc., where he was vice president, finance, global renal division, which included responsibility for global financial reporting, analysis, budgeting and forecasting for the division, and financial support for the global sales and marketing, research and development, and manufacturing teams. As vice president and controller at MedImmune, Mr. Spring is responsible for all accounting operations, internal and external financial reporting, and finance business support for commercial operations, research and development, and manufacturing. Earlier in his career, Mr. Spring held senior finance leadership roles at Dade Behring, Caremark and Price Waterhouse. Mr. Spring holds a bachelor's degree in business administration from Monmouth College and is a certified public accountant.

Dr. Sam Yonren joined MedImmune as vice president, product safety, reporting to Dr. Connor. Prior to joining MedImmune, Dr. Yonren was senior director and head, product safety and risk management at Millennium Pharmaceuticals, Inc. Previously, Dr. Yonren held positions at Transkaryotic Therapies, Inc., GlaxoSmithKline, Pfizer Central Research, Middlesex University Hospital in London and was a clinical investigator in the AIDS clinical trials unit at New York University. Dr. Yonren received his medical training at the University of Lagos, Nigeria and Royal College of Physicians in Ireland. He also received a certification in epidemiology and infection control from the U.S. Centers for Disease Control and Prevention.

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 pediatric infectious diseases, cancer and inflammatory diseases. With approximately 1,900 employees worldwide, MedImmune is headquartered in Maryland. For more information, visit the company's website at http://www.medimmune.com.

This announcement may contain, in addition to historical information, certain forward-looking statements that involve risks and uncertainties. Such statements reflect management's current views and are based on certain assumptions. Actual results could differ materially from those currently anticipated as a result of a number of factors, including risks and uncertainties discussed in MedImmune's filings with the U.S. Securities and Exchange Commission. The company is developing several products for potential future marketing. There can be no assurance that such development efforts will succeed, that such products will receive required regulatory clearance or that, even if such regulatory clearance were received, such products would ultimately achieve commercial success.

SOURCE MedImmune, Inc.

Media: Jamie Lacey, +1-301-398-4035, or Investors: Peter Vozzo,
+1-301-398-4358, or John Filler, +1-301-398-4086, all of MedImmune, Inc.
http://www.medimmune.com