HEMISPHERX and SCIEN. SCIEN shall, upon written receipt of a written request from HEMISPHERX, finish such Documentation in a format reasonably acceptable to HEMISPHERX with thirty (30) days of receipt of such request. In this case, the Documentation will be shipped to the Quality Assurance Manager named in this Agreement (see Key Contact List, Attachment 1). It is the responsibility of HEMISPHERX to notify SCIEN of any changes in this contact. During the retention period, documentation shall be available for inspection by HEMISPHERX, its authorized agents and authorized government agencies. 14. Complaints In the event SCIEN is notified of a complaint, SCIEN will receive, investigate and respond to the complaint following its internal procedures. A copy of all complaint investigation documentation will be provided to HEMISPHERX. {***} Confidential portions of this exhibit have been redacted and filed separately with the Commission pursuant to a confidential treatment request in accordance with Rule 24b-2 of the Securities Exchange Act of 1934, as amended. Page 22 of 28 15. Contact List of Key Personnel. See Attachment 1 IN WITNESS WHEREOF, the parties hereto have executed this Quality Agreement as of the Effective Date. Hemispherx Biopharma Inc. Quality Assurance Signature: _____________________________________________________ Printed Name: Victoria Scott Title: Associate Director Quality and Regulatory Date: _________________________________________________________________________ Management Signature: __________________________________________________________ Printed Name: Wayne Springate Title: Senior Vice President Operations Date: _________________________________________________________________________ SCIEN. Quality Assurance Signature: _____________________________________________________ Printed Name: _________________________________________________________________ Title: _________________________________________________________________________ Date: _________________________________________________________________________ Management Signature: ___________________________________________________________ Printed Name: Abdelrhman Mofeed Zhreldin Title: Business Development Manager Date: _________________________________________________________________________ {***} Confidential portions of this exhibit have been redacted and filed separately with the Commission pursuant to a confidential treatment request in accordance with Rule 24b-2 of the Securities Exchange Act of 1934, as amended. Page 23 of 28 Attachment 1 List of Key Contacts SUBJECT HEMISPHERX CONTACT SCIEN CONTACT Regulatory