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10-Q/A - Emergent BioSolutions Inc.form10qa_01232015.htm
EX-10 - Emergent BioSolutions Inc.exhibit10.htm
EX-31 - Emergent BioSolutions Inc.exhibit31_4.htm

EXHIBIT 31.3
CERTIFICATION
I, Daniel J. Abdun-Nabi, certify that:
 
1. I have reviewed this Amendment No. 1 on Form 10-Q/A of Emergent BioSolutions Inc.; and
 
2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
  
Date: January 23, 2015
 
/s/ DANIEL J. ABDUN-NABI
Daniel J. Abdun-Nabi
Chief Executive Officer