HZNP Horizon Therapeutics Public Limited Company

Horizon Pharma plc (Nasdaq:HZNP), a biopharmaceutical company focused on improving patients' lives by identifying, developing, acquiring and commercializing differentiated and accessible medicines that address unmet medical needs, announced today that its third-quarter 2017 financial results will be released on Monday, Nov. 6, 2017.  Following the announcement, Horizon's management will host a live conference call and webcast at 8 a.m. Eastern Time to review the Company's financial and operating results.

The live webcast and a replay may be accessed at http://ir.horizon-pharma.com.  Please connect to the Company's website at least 15 minutes before the live webcast to ensure adequate time for any software download that may be needed to access the webcast.  Alternatively, please call 1-888-338-8373 (U.S.) or 973-872-3000 (international) to listen to the conference call.  The conference ID number for the live call is 96805714.  Telephone replay will be available approximately two hours after the call.  To access the replay, please call 1-855-859-2056 (U.S.) or 404-537-3406 (international).  The conference ID number for the replay is 96805714.

About Horizon Pharma plc Horizon Pharma plc is a biopharmaceutical company focused on improving patients' lives by identifying, developing, acquiring and commercializing differentiated and accessible medicines that address unmet medical needs.  Horizon Pharma markets 11 medicines through its orphan, rheumatology and primary care business units.  For more information, please visit www.horizonpharma.com.  Follow @HZNPplc on Twitter or view careers on our LinkedIn page.

Contacts:

Investors:                                                                            Tina Ventura                                                                      Senior Vice President,                                                    Investor Relations                                                         investor-relations@horizonpharma.com                               

Ruth Venning                                                                  Executive Director,                                                        Investor Relations                                                           investor-relations@horizonpharma.com                             

U.S. Media:Geoff CurtisSenior Vice President,Corporate Affairs & Chief Communications Officermedia@horizonpharma.com

Ireland Media:Ray GordonGordon MRMray@gordonmrm.ie