Emergent BioSolutions Inc. — Director's Dealing 2011

May 24, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Emergent BioSolutions Inc. (EBS)
CIK: 0001367644
Period of Report: 2011-05-20

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-20	Common Stock	J	281190	$0.00	Acquired	1377963	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1524155	Indirect
Common Stock	6136794	Indirect
Common Stock	10428	Indirect
Common Stock	10428	Indirect
Common Stock	10428	Indirect
Common Stock	1565043	Indirect

Footnotes

F1: Mr. El-Hibri acquired the shares reported on this line by a distribution from BioPharm, L.L.C. Mr. El-Hibri's direct holdings include restricted stock units granted under the Amended and Restated Emergent BioSolutions Inc. 2006 Stock Incentive Plan.

F2: Mr. El-Hibri holds 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 1,524,155 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 1,359,546 shares.

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 in 2,522,665 shares.

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. After the distribution by BioPharm, L.L.C. to Mr. El-Hibri and other members of BioPharm, L.L.C. of 700,000 shares of Common Stock, as reported on this Form 4, BioPharm, L.L.C. is the direct owner of 1,565,043 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 628,678 shares.