Investors

CANTON, Mass., Aug. 7, 2015 (GLOBE NEWSWIRE) -- Collegium Pharmaceutical, Inc. (Nasdaq:COLL) announced today that the Company will host a conference call and live audio webcast on Thursday, August 13, 2015 at 8:00 a.m. ET. The Company will discuss its financial results for the second quarter of 2015 and provide a corporate update. Topics in the corporate update will include: commercial organization progress, the recently announced FDA Advisory Committee meeting for Xtampza™ ER and patent litigation with Purdue Pharma L.P.

Conference Call Information:

To access the conference call, please dial (866)864-3220 (U.S.) or (704)908-0478 (International). An audio webcast will be accessible from the Investor Relations section of the Company's website: http://www.collegiumpharma.com/. An archived webcast will be available on the Company's website approximately two hours after the event.

About Collegium Pharmaceutical, Inc.

Collegium is a specialty pharmaceutical company focused on developing a portfolio of products that incorporate its patent-protected DETERx^® technology platform for the treatment of chronic pain and other diseases. The DETERx oral drug delivery technology is designed to provide extended-release delivery, unique abuse-deterrent properties, and flexible dose administration options. The new drug application, or NDA, submission for Xtampza ER, the Company's lead product candidate, was accepted for review by the FDA on February 10, 2015. The FDA set a Prescription Drug User Fee Act, or PDUFA, goal date of October 12, 2015 for completion of its review of the Xtampza ER NDA.

CONTACT: Douglas Carlson
         Vice President, Corporate Development
         dcarlson@collegiumpharma.com