Cempra, Inc. to Report First Quarter 2013 Financial and Operating Results, and Host Conference Call and Webcast on April 25,

Cempra, Inc. to Report First Quarter 2013 Financial and Operating Results, and
              Host Conference Call and Webcast on April 25, 2013

PR Newswire

CHAPEL HILL, N.C., April 18, 2013

CHAPEL HILL, N.C., April 18, 2013 /PRNewswire/ --Cempra, Inc.(Nasdaq: CEMP)
today announced that it will report first quarter 2013 financial results and
provide a business update after the close of U.S. financial markets onApril
25, 2013.Prabhavathi Fernandes, Ph.D., president and chief executive officer
ofCempra,will host a conference call and webcast at4:30 p.m. EDT,April 25,
2013.

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., First Quarter 2013
Financial Results Call, conference ID#: 33311244." 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 in advanced clinical development; solithromycin in Phase 3 for
CABP and TAKSTA™ (CEM-102) in Phase 2 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.

Investor and Media Contacts:
Robert E. Flamm, Ph.D.
Russo Partners, LLC
(212) 845-4226
Robert.flamm@russopartnersllc.com

Andreas Marathovouniotis
Russo Partners, LLC
(212) 845-4235
Andreas.marathis@russopartnersllc.com

SOURCE Cempra, Inc.

Website: http://www.cempra.com