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Horizon Pharma to Host an Investment Community Briefing on RAYOS(R) on Monday, November 12, 2012

DEERFIELD, IL--(Marketwire - Oct 29, 2012) - Horizon Pharma, Inc. ( NASDAQ : HZNP ) announced today that it will host a live webcast to discuss the approval and initial launch of RAYOS® on Monday, November 12, 2012 at 6:30 a.m. Eastern Time. The webcast will be hosted by Timothy P. Walbert, chairman, president and chief executive officer of Horizon Pharma and will feature presentations from leading rheumatologists Maurizio Cutolo, M.D., of the University of Genova, Frank Buttgereit, M.D., of the Charité at the University of Berlin, and Arthur Weaver, M.D., of the University of Nebraska. The live webcast and a replay may be accessed by visiting Horizon's website at http://ir.horizon-pharma.com

About Horizon Pharma
Horizon Pharma, Inc. is a biopharmaceutical company that is developing and commercializing innovative medicines to target unmet therapeutic needs in arthritis, pain and inflammatory diseases. For more information, please visit www.horizonpharma.com.