Exhibit 10.1 Sales, Marketing, Distribution, and Supply Agreement {***} WHEREAS HEMISPHERX is a biopharmaceutical company with headquarters at One Penn Center, 1617 JFK Boulevard, Suite 500, Philadelphia, PA 19103, U.S. ("HEMISPHERX") and Scientific Products Pharmaceutical Co. LTD is a pharmaceutical company with its primary offices located at Tahlia Street, P.O Box 10485, Riyadh 11433 Saudi Arabia (" SCIEN"), each a "Party" together, "Parties", and WHEREAS HEMISPHERX owns intellectual proprietary rights relating to Interferon alfa-n3 (human leukocyte derived), and WHEREAS HEMISPHERX desires to have Interferon alfa-n3 (human leukocyte derived) provided to physicians to treat genital warts and other infections and diseases, including MERS, in the GCC (Gulf Cooperation Council) states , as appropriate, prior to regulatory approval in such countries and to have Interferon alfa-n3 (human leukocyte derived) approved by the regulatory authorities in each GCC country (Kingdom of Saudi Arabia, Bahrain, Qatar, Kuwait, United Arab emirates (UAE) and Sultanate of Oman)), and WHEREAS SCIEN has sales, marketing, distribution capabilities in the GCC states, and WHEREAS, AFTER A SUCCESSFUL CLINICAL TRIAL IN MERS, SCIEN affirms it has the ability to supply Interferon alfa-n3 (human leukocyte derived) in the GCC States prior to regulatory approval and simultaneously seek to gain regulatory approval in each of the GCC States. After the clinical trial in MERS has been conducted, in the event it is successful and the Hemispherx manufacturing site requires approved by the GCC / SFDA, the cost of any post-clinical trial inspection of the facility to be the responsibility of Scien or the regulatory authority, and subsequently to market, sell and distribute Interferon alfa-n3 (human leukocyte derived) in the GCC, and WHEREAS, SCIEN desires to supply Interferon alfa-n3 (human leukocyte derived) under special approval from the Saudi Ministry of Health and for other GCC states where applicable, and WHEREAS, HEMISPHERX desires to