$SBBP to Host KEVEYIS®, Q2 FY17 Conference Call on August 7, 2017

DUBLIN, Ireland and TREVOSE, Pa., July 31, 2017 — Strongbridge Biopharma plc, (Nasdaq:SBBP), a global commercial-stage biopharmaceutical company focused on the development and commercialization of therapies for rare diseases with significant unmet needs, today announced that it will host a conference call with members of Strongbridge’s management team on Monday, August 7 at 9:00 a.m. ET to provide a KEVEYIS^® launch update, discuss the Company’s second quarter 2017 financial results and provide corporate highlights. The conference call will follow the anticipated release of the Company’s financial results earlier that day.

Event Details
Strongbridge will host a conference call on Monday, August 7 at 9:00 a.m. ET. To access the live call, dial 844-285-7153 (domestic) or 478-219-0180 (international). The conference call will also be audio webcast from the Company’s website at www.strongbridgebio.com under the “Investor/Webcasts and Presentations” section. A replay of the call will be made available for one week following the conference call. To hear a replay of the call, dial 855-859-2056 (domestic) or 404-537-3406 (international) with conference ID 61074112.

About Strongbridge Biopharma

Strongbridge Biopharma is a global commercial-stage biopharmaceutical company focused on the development and commercialization of therapies for rare diseases with significant unmet needs. Strongbridge’s first commercial product is KEVEYIS^® (dichlorphenamide), the first and only FDA-approved treatment for hyperkalemic, hypokalemic, and related variants of Primary Periodic Paralysis. KEVEYIS has orphan drug exclusivity status in the United States through August 7, 2022. In addition to establishing this neuromuscular disease franchise, the Company has a clinical-stage pipeline of therapies for rare endocrine diseases. Strongbridge’s lead compounds include RECORLEV™ (levoketoconazole), a cortisol synthesis inhibitor currently being studied for the treatment of endogenous Cushing’s syndrome, and veldoreotide, a next-generation somatostatin analog being investigated for the treatment of acromegaly, with potential additional applications in Cushing’s syndrome and neuroendocrine tumors. Both RECORLEV and veldoreotide have received orphan designation from the U.S. Food and Drug Administration and the European Medicines Agency. For more information, visit www.strongbridgebio.com.

Contacts:

Corporate and Media Relations
Elixir Health Public Relations
Lindsay Rocco
+1 862-596-1304
lrocco@elixirhealthpr.com

Investor Relations
U.S.:
The Trout Group
Marcy Nanus
+1 646-378-2927
mnanus@troutgroup.com

Europe:
First House
Mitra Hagen Negård
+47 21 04 62 19
strongbridgebio@firsthouse.no

USA
900 Northbrook Drive
Suite 200
Trevose, PA 19053
Tel. +1 610-254-9200
Fax. +1 215-355-7389