Cempra, Inc. to Report Fourth Quarter and Full Year 2013 Financial and Operating Results, and Host Conference Call and Webcast

Cempra, Inc. to Report Fourth Quarter and Full Year 2013 Financial and
Operating Results, and Host Conference Call and Webcast on Feb. 27, 2014

CHAPEL HILL, N.C., Feb. 20, 2014 (GLOBE NEWSWIRE) -- Cempra, Inc.
(Nasdaq:CEMP) today announced that it will report fourth quarter and full year
2013 financial results and provide a business update after the close of U.S.
financial markets on Feb. 27, 2014. Prabhavathi Fernandes, Ph.D., president
and chief executive officer of Cempra will host a conference call and webcast
at 4:30 p.m. EST,Feb. 27, 2014.

The conference call may be accessed by dialing 877-377-7553 for domestic
callers and 253-237-1151 for international callers. Please specify to the
operator that you would like to join the "Cempra, Inc., Fourth Quarter and
Full Year 2013 Financial Results Call, conference ID#: 2739816." The
conference call will be webcast live under the investor relations section
ofCempra's website atwww.cempra.com, and will be archived there for 30 days
following the call. Please visitCempra's website several minutes prior to the
start of the broadcast to ensure adequate time for any software download that
may be necessary.

AboutCempra, Inc.

Founded in 2006, Cempra, Inc. is a clinical-stage pharmaceutical company
focused on developing antibiotics to meet critical medical needs in the
treatment of bacterial infectious diseases. Cempra's two lead product
candidates are currently in advanced clinical development. Solithromycin
(CEM-101) is in a Phase 3 clinical trial for community-acquired bacterial
pneumonia (CABP) and is licensed to strategic partner Toyama Chemical Co.,
Ltd., a subsidiary of FUJIFILM Holdings Corporation, for certain exclusive
rights in Japan. TAKSTA™ (CEM-102) is Cempra's second product candidate, which
is currently in a Phase 2 clinical trial for prosthetic joint infections. Both
seek to address the need for new treatments targeting drug-resistant bacterial
infections in the hospital and in the community. The company also intends to
use its series of proprietary lead compounds from its novel macrolide library
for uses such as the treatment of chronic inflammatory diseases, endocrine
diseases and gastric motility disorders. Additional information about Cempra
can be found at www.cempra.com.

CONTACT: Investor and Media Contacts:
         Robert E. Flamm, Ph.D.
         Russo Partners, LLC
         (212) 845-4226
         Andreas Marathovouniotis
         Russo Partners, LLC
         (212) 845-4235
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