ANNAPOLIS, Md., May 6, 2013 /PRNewswire/ -- PharmAthene, Inc. (NYSE MKT: PIP), a biodefense company developing medical countermeasures against biological and chemical threats, today announced that its financial and operating results for the first quarter of 2013 will be released on Wednesday, May 8, 2013. PharmAthene management will host a conference call to discuss the Company's first quarter 2013 financial and operational results. The call is scheduled to begin at 4:30 pm Eastern Time on Wednesday, May 8, 2013 and is expected to last approximately 30 minutes. The dial-in number within the United States is 866-515-2915. The dial-in number for international callers is 617-399-5129. The participant passcode is 78016828. A replay of the conference call will be available beginning at approximately 6:30 pm Eastern Time on May 8, 2013 until approximately 11:59 p.m. Eastern Time on June 7, 2013. The dial-in number to access the replay from within the United States is 888-286-8010. For international callers, the dial-in number is 617-801-6888. The participant passcode is 70157811. The conference call will also be webcast and can be accessed from the Company's website at www.PharmAthene.com. A link to the webcast may be found under the Investor Relations section of the website. SOURCE PharmAthene, Inc.