VIA E-MAIL

April 10, 2017

VIA E-MAIL

Xx. Xxxxxxxx Xx

0000 Xxxxxx Xxxx

Xxx Xxxxxx, XX 00000

Re: Professional Services Agreement between Bone Biologics Corporation (the “Company”) and Xx. Xxxxxxxx Xx (“you” or “your”), dated January 8, 2016 (the “Agreement”).

Dear Ben:

Pursuant to that certain termination notice provided to you by the Company dated December 13, 2016, and our subsequent communications relating thereto, I confirm that the Agreement is terminated, effective as of April 8, 2017.

Please let me know if you have any questions or concerns.

Best regards,

Bone Biologics Corporation