MiddleBrook Pharmaceuticals Schedules Third Quarter 2009 Results Conference Call and Webcast

MiddleBrook Pharmaceuticals, Inc. (Nasdaq: MBRK) is scheduled to announce its results for the 2009 third quarter on Thursday, Nov. 5, 2009, before the market opens. At 9:00 a.m. (ET) on that day, MiddleBrook management will conduct a conference call to review results for the 2009 third quarter.

To listen live to the call, dial 1-800-813-8504 or 1-660-422-4526. A replay of the call will be available starting at approximately 11 a.m. on Nov. 5 through 5 p.m. on Nov. 12, 2009. To listen to the replay, dial 1-800-642-1687 or 1-706-645-9291, and enter the conference ID #36178550.

A live audio webcast of the conference call also will be available by going to the Investor Relations section of MiddleBrook's web site, www.middlebrookpharma.com. A replay of the webcast will be available for approximately one year starting the afternoon of Nov. 6, 2009.

About MiddleBrook Pharmaceuticals:

MiddleBrook Pharmaceuticals, Inc. (Nasdaq: MBRK) is a pharmaceutical company focused on developing and commercializing anti-infective products that fulfill unmet medical needs. MiddleBrook’s proprietary delivery technology—PULSYS—enables the pulsatile delivery, or delivery in rapid bursts, of certain drugs. MiddleBrook’s near-term corporate strategy includes improving dosing regimens and/or reducing frequency of dosing to enhance patient dosing convenience and compliance for antibiotics that have been used and trusted by physicians and patients for decades. MiddleBrook currently markets KEFLEX (cephalexin, USP), the immediate-release brand of cephalexin, and MOXATAG–the first and only FDA-approved once-daily amoxicillin. For more information about MiddleBrook, please visit www.middlebrookpharma.com.