Sorrento Announces Pricing of Public Offering of Common Stock

SAN DIEGO, April 13, 2017

Cantor Fitzgerald & Co. is acting as the lead book-running manager for the offering.  FBR Capital Markets & Co. is also acting as a joint book-running manager. Oppenheimer & Co. and Aegis Capital Corp. are acting as co-lead managers and Joseph Gunnar & Co., Rodman & Renshaw and Roth Capital Partners are acting as co-managers.

The public offering will be made pursuant to a shelf registration statement on Form S-3 (File No. 333-199849) previously filed with and declared effective by the Securities and Exchange Commission (the "SEC") on December 3, 2014.  The securities may be offered only by means of a prospectus.  A preliminary prospectus supplement and the accompanying prospectus relating to and describing the terms of the offering have been filed with the SEC and are available on the SEC's website at www.sec.gov. Copies of the preliminary prospectus supplement and the accompanying prospectus, and when available, copies of the final prospectus supplement and the accompanying prospectus relating to the offering may be obtained from Cantor Fitzgerald & Co., Attention: Capital Markets, 499 Park Ave., 6th Floor, New York, New York 10022, or by telephone at 212-829-7122, or by e-mail at prospectus@cantor.com.

This press release does not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Sorrento Therapeutics, Inc. 

Sorrento is an antibody-centric, clinical stage biopharmaceutical company developing new treatments for immuno-oncology, inflammation and autoimmune diseases. Sorrento's lead product candidates include immunotherapies focused on the treatment of both solid tumors and hematological malignancies, as well as late stage pain products.