Emergent BioSolutions Inc. (NYSE:EBS) today announced that it has signed a modification to its contract with the Biomedical Advanced Research and Development Authority (BARDA) to manufacture and store bulk drug substance for its botulism antitoxin, BAT® [Botulism Antitoxin Heptavalent (A, B, C, D, E, F, G) - (Equine)], valued at approximately $53 million with a five-year period of performance. This modification to the contract will enable future filling and deliveries of final drug product to the Strategic National Stockpile (SNS). BAT is indicated for the treatment of symptomatic botulism following documented or suspected exposure to botulinum neurotoxin serotypes A, B, C, D, E, F, or G in adults and pediatric patients.