Emergent BioSolutions Inc. — Director's Dealing 2010

Apr 22, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Emergent BioSolutions Inc. (EBS)
CIK: 0001367644
Period of Report: 2010-04-21

Reporting Person: El-Hibri Fuad (Director, CEO and Chairman, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-04-21	Common Stock	S	900	$16.00	Disposed	1574155	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	874320	Direct
Common Stock	6643794	Indirect
Common Stock	5011	Indirect
Common Stock	5011	Indirect
Common Stock	5011	Indirect
Common Stock	2965043	Indirect

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Biovac, L.L.C. on March 9, 2010. Biovac, L.L.C. was the direct owner of the shares of Common Stock sold pursuant to Rule 10b5-1 trading plan, and was or is the direct owner of the shares of Common Stock reported as beneficially owned immediately following each of the reported sales. Both before and after the reported sales, Mr. El-Hibri held individually and with his wife, as tenants by the entirety, an aggregate 89.2% equity interest in Biovac, L.L.C. Biovac, L.L.C. is the direct owner of 1,574,155 shares of Common Stock. Mr. El-Hibri disclaims beneficial ownership of the shares of Common Stock directly owned by Biovac, L.L.C. for purposes of Section 16, except to the extent of his pecuniary interest in 1,404,146 shares.

F2: Includes restricted stock units granted under the Amended and Restated Emergent BioSolutions Inc. 2006 Stock Incentive Plan that vest in three equal annual installments beginning March 9, 2011.

F3: Mr. El-Hibri holds with his wife, as tenants by the entirety, an aggregate 41.1072% equity interest in Intervac, L.L.C. Mr. El-Hibri disclaims beneficial ownership of the shares of Common Stock directly owned by Intervac, L.L.C. for purposes of Section 16, except to the extent of his pecuniary interest therein in 2,731,079.

F4: These shares are held in a trust for the benefit of a child of the reporting person. The reporting person is trustee of this trust. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F5: Mr. El-Hibri is the holder of a 40.17% (567,582.3 units) equity interest in BioPharm, L.L.C. BioPharm, L.L.C. is the direct owner of 2,965,043 shares of Common Stock. Mr. El-Hibri disclaims beneficial ownership of these shares for purposes of Section 16, except to the extent of his pecuniary interest in 1,191,058 shares.