Altimmune, Inc. — Director's Dealing 2010

May 21, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PHARMATHENE, INC (PIP)
CIK: 0001326190
Period of Report: 2010-05-18

Reporting Person: RICHMAN ERIC I (Director, President and Interim CEO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-18	Stock Option (right to buy)	$1.48	A	100000	Acquired	2020-05-18	Common Stock (100000)	Direct

Footnotes

F1: On May 18, 2010, the date such option was granted, the closing price of the Issuer's Common Stock on the NYSE Amex was $1.48
per share.

F2: The option may be exercisable sooner under certain circumstances.