Emergent biosolutions announces that department OF HEALTH AND HUMAN SERVICES AND DEPARTMENT OF DEFENSE ISSUED NOTICES OF INTENT TO PROCURE UP TO A COM

ROCKVILLE, MD, April 18, 2007—Emergent BioSolutions Inc. (NYSE: EBS) (EBS) today announced that the U.S. Department of Health and Human Services (HHS) and the U.S. Department of Defense (DoD) issued two separate notices of intent to procure up to a combined total of 22.75 million doses of BioThrax^® (Anthrax Vaccine Adsorbed).

In a Presolicitation Notice issued today, HHS stated its intent to procure 10.4 million doses of BioThrax for the Strategic National Stockpile (SNS) with options for up to an additional 8.35 million doses. HHS announced that it intends to enter sole source negotiations with the company to finalize the procurement and to make an award on or about July 24, 2007.

Separately, DoD issued a Special Notice signaling an anticipated sole source contract award to procure a minimum of 4 million doses of BioThrax, over a base period and 3 optional ordering periods.

“We were very pleased to learn of HHS and DoD’s intent to procure additional doses of BioThrax,” stated Fuad El-Hibri, chairman and chief executive officer of Emergent BioSolutions Inc. “These notices indicate a continued commitment by the U.S. Government to Emergent BioSolutions’ FDA-licensed anthrax vaccine for the protection of military personnel and civilians. We are committed to working with both HHS and DoD to promptly complete these intended procurements to ensure both federal agencies have continued access to and supply of this critical biodefense countermeasure.”

Emergent BioSolutions Inc. (EBS) CEO & Chairman, 10% Owner Fuad El-hibri sells 15,000 Shares

CEO & Chairman, 10% Owner of Emergent BioSolutions Inc. (EBS) Fuad El-hibri sells 15,000 shares of EBS on 08/11/2009 at an average price of $16.78 a share.

EMERGENT BIOSULUTIONS INC. is a leading biopharmaceutical company dedicated to one simple mission - to protect life. EBS develops manufactures and commercializes vaccines and therapeutics that assist the body\'s immune system to prevent or treat disease. Their products target infectious diseases and other medical conditions that have resulted in significant unmet or underserved public health needs. Their marketed product BioThrax? (Anthrax Vaccine Adsorbed) is the only vaccine approved by the U.S. Food and Drug Administration for the prevention of anthrax infection. Emergent BioSolutions Inc. has a market cap of $511.8 million; its shares were traded at around $16.91 with a P/E ratio of 13.1 and P/S ratio of 2.8.