COLL Collegium Pharmaceutical Inc

Collegium Pharmaceutical, Inc. (Nasdaq: COLL), a leading, diversified specialty pharmaceutical company committed to improving the lives of people living with serious medical conditions, today announced that management will participate in the following investor conferences:

Jefferies 14th Annual Global Healthcare ConferenceFireside Chat Date and Time: Tuesday, November 14, 2023, at 9:30 a.m. GMT

Piper Sandler 35th Annual Healthcare ConferenceFireside Chat Date and Time: Tuesday, November 28, 2023, at 4:00 p.m. ET

The fireside chat will be webcast live and can be accessed from the Investors section of the Company's website: https://ir.collegiumpharma.com. A replay of the webcast will be archived on the Company's website for 90 days following the presentation.

About Collegium Pharmaceutical, Inc.Collegium is a leading, diversified specialty pharmaceutical company committed to improving the lives of people living with serious medical conditions. Collegium’s headquarters are located in Stoughton, Massachusetts. For more information, please visit the Company’s website at www.collegiumpharma.com.

Investor Contact:Christopher James, M.D.Vice President, Investor Relationsir@collegiumpharma.com

Media Contact:Marissa SamuelsVice President, Corporate Communicationscommunications@collegiumpharma.com