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, today announced that the compensation committee of its board of directors approved the grant on October 1, 2017 of inducement restricted stock units for an aggregate of 99,771 ordinary shares to 37 new employees.

Each restricted stock unit vests over four years, with 25 percent of the shares vesting on each anniversary of the applicable vesting commencement date, subject to the new employee's continued service relationship with the Company.  Each restricted stock unit also is subject to the terms and conditions of the Company's 2014 Equity Incentive Plan and the restricted stock unit agreement pursuant to which the restricted stock unit was granted.

The restricted stock units were granted as inducements material to the new employees entering into employment with Horizon Pharma in accordance with NASDAQ Listing Rule 5635(c)(4).

About Horizon Pharma plcHorizon 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.  The Company 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:Tina VenturaSenior Vice President, Investor RelationsInvestor-relations@horizonpharma.com

Ruth VenningExecutive Director, Investor RelationsInvestor-relations@horizonpharma.com

U.S. Media Contact:Geoffrey CurtisSenior Vice President, Corporate Affairs and Chief Communications Officermedia@horizonpharma.com

Ireland Media Contact: Ray Gordon Gordon MRM  ray@gordonmrm.ie