(TLOG) Announces Update on MDS Clinical Program

MALVERN, Pa., June 30, 2015  — TetraLogic Pharmaceuticals Corporation (NASDAQ:TLOG), a clinical-stage biopharmaceutical company focused on discovering and developing novel small molecule therapeutics in oncology and infectious diseases, today announced preliminary data from the ongoing Phase 2A study of birinapant in combination with azacitidine in first line higher risk myelodysplastic syndromes (MDS). The study is being conducted as a precursor to the ongoing randomized Phase 2B study.

In this study, birinapant was administered, at 13 mg/m2 twice a week, three weeks out of four, during a four week cycle in combination with the approved dose of azacitidine. The primary assessment of efficacy was the response rate using the modified International Working Group criteria (Cheson 2006) at the end of cycle four. Of the nine patients who entered the study, six completed four cycles of therapy and underwent a repeat bone marrow assessment. Three patients experienced a complete response, one patient experienced a bone marrow complete response, one patient experienced a partial response and underwent a stem cell transplant and one patient had stable disease. Three patients discontinued the study prior to receiving four cycles of treatment. The regimen was generally well tolerated, the most common side effects being fatigue, neutropenia and thrombocytopenia.

“While acknowledging the small number of patients involved in the study, we find these data encouraging,” said Dr. Lesley Russell, TetraLogic’s Chief Medical Officer. “We plan to conduct an interim analysis of the ongoing randomized trial around the end of the year and look forward to reviewing those results.”

About TetraLogic Pharmaceuticals Corporation

TetraLogic is a clinical-stage biopharmaceutical company focused on discovering and developing novel small molecule therapeutics in oncology and infectious diseases. TetraLogic has two clinical-stage product candidates in development: birinapant and SHAPE. Birinapant is currently being evaluated for the treatment of solid and liquid tumors and certain intracellular pathogens.   SHAPE is being evaluated for the treatment of early-stage cutaneous T‑cell lymphoma.

Forward Looking Statements

Some of the statements in this release are forward looking statements within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Securities Exchange Act of 1934 and the Private Securities Litigation Reform Act of 1995, which involve risks and uncertainties. These statements relate to future events or TetraLogic’s pre-clinical and clinical development of birinapant, SHAPE and other clinical programs, future expectations, plans and prospects. Although TetraLogic believes that the expectations reflected in such forward-looking statements are reasonable as of the date made, expectations may prove to have been materially different from the results expressed or implied by such forward-looking statements. TetraLogic has attempted to identify forward looking statements by terminology including ”believes,” ”estimates,” ”anticipates,” ”expects,” ”plans,” ”projects,” ”intends,” ”potential,” ”may,” ”could,” ”might,” ”will,” ”should,” ”approximately” or other words that convey uncertainty of future events or outcomes to identify these forward-looking statements. These statements are only predictions and involve known and unknown risks, uncertainties, and other factors, including those discussed under the heading “Risk Factors” in our Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission (SEC) on February 26, 2015 and in our Form 10-Q filed with the SEC on May 14, 2015.  Any forward looking statements contained in this release speak only as of its date. We undertake no obligation to update any forward-looking statements contained in this release to reflect events or circumstances occurring after its date or to reflect the occurrence of unanticipated events.

CONTACT: Pete A. Meyers
         Chief Financial Officer and Treasurer
         TetraLogic Pharmaceuticals Corporation
         (610) 889-9900, x103
         pete.meyers@tlog.com