Emergent BioSolutions Inc. — Director's Dealing 2010

Nov 16, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Emergent BioSolutions Inc. (EBS)
CIK: 0001367644
Period of Report: 2010-11-11

Reporting Person: LOCKHART STEPHEN (SVP Product Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-11	Common Stock	M	16666	$10.38	Acquired	23646	Direct
2010-11-11	Common Stock	M	11667	$10.68	Acquired	35313	Direct
2010-11-11	Common Stock	S	28333	$18.66	Disposed	6980	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-11	Employee Stock Option (right to buy)	$10.38	M	16666	Disposed	2014-10-19	Common Stock (16666)	Direct
2010-11-11	Employee Stock Option (right to buy)	$10.68	M	11667	Disposed	2015-08-11	Common Stock (11667)	Direct

Footnotes

F1: The option vested in three equal installments on October 19, 2008, 2009, and 2010.

F2: The option vested in two equal installments on August 11, 2009, and 2010; the remainder will vest on August 11, 2011.