Emergent BioSolutions Inc. — Director's Dealing 2016

May 27, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Emergent BioSolutions Inc. (EBS)
CIK: 0001367644
Period of Report: 2016-05-24

Reporting Person: Harsanyi Zsolt (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-24	Common Stock	M	7200	$16.13	Acquired	41685	Direct
2016-05-24	Common Stock	S	7200	$42.26	Disposed	34485	Direct
2016-05-24	Common Stock	M	7200	$22.02	Acquired	41685	Direct
2016-05-24	Common Stock	S	7200	$42.26	Disposed	34485	Direct
2016-05-24	Common Stock	M	2400	$14.66	Acquired	36885	Direct
2016-05-24	Common Stock	S	2400	$42.34	Disposed	34485	Direct
2016-05-25	Common Stock	M	4800	$14.25	Acquired	39285	Direct
2016-05-25	Common Stock	S	4800	$42.41	Disposed	34485	Direct
2016-05-25	Common Stock	M	6267	$20.44	Acquired	40752	Direct
2016-05-25	Common Stock	S	6267	$42.41	Disposed	34485	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-05-24	Stock Option	$16.13	M	7200	Disposed	2020-05-20	Common Stock (7200)	Direct
2016-05-24	Stock Option	$22.02	M	7200	Disposed	2022-05-19	Common Stock (7200)	Direct
2016-05-24	Stock Option	$14.66	M	2400	Disposed	2019-05-17	Common Stock (2400)	Direct
2016-05-25	Stock Option	$14.25	M	4800	Disposed	2021-05-22	Common Stock (2400)	Direct
2016-05-25	Stock Option (Common Stock)	$20.44	M	6267	Disposed	2022-05-22	Common Stock (6267)	Direct

Footnotes

F1: Consists of an option granted under the company's stock incentive plan on May 20, 2010.

F2: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.10 to $42.37, inclusive.

F3: Consists of an option granted under the company's stock incentive plan on May 19, 2011.

F4: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.06 to $42.37, inclusive.

F5: Consists of an option granted under the company's stock incentive plan on May 17, 2012.

F6: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.25 to $42.38, inclusive.

F7: Consists of an option granted under the company's stock incentive plan on May 23, 2013.

F8: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.17 to $42.53, inclusive.

F9: Consists of an option granted under the company's stock incentive plan on May 22, 2014.

F10: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.12 to $42.52, inclusive.

F11: All options vested in three equal installments on the anniversary date of the grant.