Hyperion Therapeutics to Report First Quarter 2013 Financial Results After Market on May 9, 2013

Hyperion Therapeutics to Report First Quarter 2013 Financial Results After
Market on May 9, 2013

SOUTH SAN FRANCISCO, Calif., May 6, 2013 (GLOBE NEWSWIRE) -- Hyperion
Therapeutics, Inc. (Nasdaq:HPTX) today announced that it will report financial
results for the first quarter 2013 ended March 31, 2013, after market closes
on Thursday, May 9, 2013. Hyperion will host a webcast and conference call
with management to discuss financial results, as well as provide a general
corporate update, at 4:30 p.m. EDT (1:30 p.m. PDT).

A live audio webcast of the conference call can be accessed on Hyperion's
investor relations website at: http://investors.hyperiontx.com/events.cfm

To access the live conference call, dial 877-847-7188 U.S. or 408-427-3787
International and use the conference ID# 46599927. A replay of the call will
be available for 30 days by accessing Hyperion's investor relations website or
by dialing 855-859-2056 U.S. or (404) 537-3406 International and use
conference ID# 46599927 beginning approximately one hour after the conference
call concludes.

About Hyperion Therapeutics

Hyperion Therapeutics, Inc. is a commercial stage biopharmaceutical company
committed to developing and delivering life-changing treatments for orphan
diseases and hepatology.

CONTACT: Myesha Edwards, Investor Relations
         (650) 745-7829
         sannes@annesassociates.com
        
         Kristie Kuhl, Media Relations
         (203) 556-7417
         kkuhl@makovsky.com