ARMADA

ARMADA

Health Care

August 8, 2014

Xx. Xxxxxxx X. Xxxxxx Chairman and CEO Hemispherx Biopharma, Inc.

JFK Boulevard

Suite 500

Philadelphia, Pa 19103

Re: Agreements Between Armada Health Care, LLC and Hemispherx Biopharma, Inc. and

BioRidge Pharma and Hemispherx Biopharma, Inc.

Dear Xx. Xxxxxx,

Armada Health Care and BioRidge Pharma would like to request an extension to the above mentioned contracts initially signed on August 15, 2011 and extended in 2012 and 2013 through August 14, 2014 subject to the same terms and conditions currently in place.

Please sign this acceptance letter as acknowledgment of the extension through August 14, 2015 and return to my attention via fax or e-mail. I can be reached at 000-000-0000 if you have any questions

or concerns.

Regards,

Xxxx Xxxxxxx

Vice President

Armada Health Care

Phone: 000-000-0000

Fax: 000-000-0000

/S/: Xxxxxxx X. Xxxxxx

(signature)

Xxxxxxx X. Xxxxxxx

(print name)

CEO and Chairman

(Title)

8/9/2014

(Date)