Columbia Laboratories to Discuss Second Quarter 2011 Financial Results on August 4, 2011, Conference Call

LIVINGSTON, NJ - July 28, 2011 - Columbia Laboratories, Inc. (Nasdaq: CBRX) will hold a conference call on August 4, 2011, to discuss financial results of the three- and six-months periods ended June 30, 2011. Frank Condella, president and chief executive officer, and Lawrence Gyenes, senior vice president, chief financial officer and treasurer of Columbia Laboratories, will host the call.

Date:    Thursday, August 4, 2011 
Time:   11:00 am EDT
Dial-in numbers: (877) 303-9483 (U.S. & Canada) or (760) 666-3584
Live webcast: www.columbialabs.com, under 'Investor'

The teleconference replay will be available two hours after completion through Thursday, August 11, 2011, at (855) 859-2056 (U.S. & Canada) or (404) 537-3406. The conference ID for the replay is 84126999. The archived webcast will be available for one year on the Company's website, www.columbialabs.com, in the 'Investor' section under 'Events'.

About Columbia Laboratories

Columbia Laboratories, Inc. is developing products that utilize its novel bioadhesive drug delivery technologies to optimize drug delivery in a controlled, sustained manner. For more information, please visit www.columbialabs.com.

Contact:

Lawrence A. Gyenes
Senior Vice President, CFO & Treasurer
(973) 486-8860
Seth Lewis
Vice President The Trout Group LLC
(646) 378 2952