Tetraphase to Host Conference Call Discussing Fourth Quarter and Full-Year 2014 Financial Results and Recent Highlights

WATERTOWN, Mass., Feb. 26, 2015 (GLOBE NEWSWIRE) -- Tetraphase Pharmaceuticals, Inc. (Nasdaq:TTPH), a clinical stage biopharmaceutical company developing novel antibiotics to treat life-threatening multidrug-resistant (MDR) infections, today announced that it will report fourth quarter and full year 2014 financial results after the close of U.S. financial markets on March 5, 2015, and will host a conference call on Thursday, March 5 at 4:30 p.m. Eastern Time to discuss the financial results and provide a corporate update.

The call can be accessed by dialing (844) 831-4023 (U.S. and Canada) or (731) 256-5215 (international). To access the live audio webcast, or the subsequent archived recording, visit the "Investors Relations — Events & Presentations" section of the Tetraphase website at www.tphase.com. The webcast will be recorded and available for replay on the Tetraphase website for 30 days following the call.

About Tetraphase Pharmaceuticals, Inc.

Tetraphase is a clinical-stage biopharmaceutical company using its proprietary chemistry technology to create novel antibiotics for serious and life-threatening multidrug-resistant (MDR) bacterial infections, including those caused by many of the MDR Gram-negative bacteria highlighted as urgent public health threats by the Centers for Disease Control and Prevention (CDC). Tetraphase has created more than 3,000 novel tetracycline analogs using its proprietary technology platform. Please visit www.tphase.com for more company information.

CONTACT: Investor Contacts: Tetraphase Pharmaceuticals Teri Dahlman 617-600-7040 tdahlman@tphase.com Media Contact: Sam Brown Inc. Mike Beyer 773-463-4211 beyer@sambrown.com Argot Partners Susan Kim 212-600-1902 susan@argotpartners.comSource:Tetraphase Pharmaceuticals