Protagenic Therapeutics Inc. (PTIX)

[Investstocks]

Deregistration of Securities



The Registration Statement on Form S-8 (Registration No. 333-164465) (the “ Registration Statement ”) of Atrinsic, Inc., a Delaware corporation (“ Atrinsic ”), pertaining to the registration of an aggregate of 2,750,000 shares of common stock, par value $0.01 per share (687,500 shares after taking into account Atrinsic’s 1 for 4 reverse stock split which became effective on December 2, 2010), of Atrinsic issuable under Atrinsic’s 2009 Stock Incentive Plan to which this Post-Effective Amendment No. 1 relates, was filed with the Securities Exchange Commission on January 22, 2010.



Atrinsic has terminated all offerings of securities pursuant to existing registration statements, including the Registration Statement. In accordance with an undertaking made by Atrinsic in the Registration Statement to remove from registration, by means of a post-effective amendment, any securities that remain unsold at the termination of the offering, Atrinsic removes from registration all securities registered under the Registration Statement that remain unsold as of the date hereof.