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

ARMADA

Health Care

July 29, 2015

Xx. Xxxxxxx X. Xxxxxx Chairman and CEO

Hemispherx Biopharma, Inc. JFK Boulevard

Suite 500

Philadelphia, Pa 19103

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

Dear Xx. Xxxxxx,

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

Please sign this acceptance letter as acknowledgment of the extension through August 14, 2017 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,

/S/: Xxxx Xxxxxxx

Xxxx Xxxxxxx

Vice President

Armada Health Care

Phone: 000-000-0000

Fax: 000-000-0000

/S/: Xxxxxxx X. Xxxxxx    _______________                                                                                                                                                                                                                                                                 (signature)

Xxxxxxx X. Xxxxxx____________________

(print name)

CEO and Chairman___________________

(Title)

_7/31/15____________________________

(Date)