Press Release

Horizon Pharma to Buy Raptor Pharmaceutical for $800 Million

September 15, 2016

San Diego – September 15, 2016 – Cooley advised Horizon Pharma on its agreement to acquire Raptor Pharmaceutical for approximately $800 million. The transaction is expected to close in the fourth quarter.

“The proposed acquisition of Raptor furthers our commitment to helping people with rare diseases and is a significant step in advancing our strategy to expand our rare disease business,” said Timothy P Walbert, chairman, president and CEO of Horizon.

Horizon, headquartered in Dublin, Ireland, is a specialty biopharmaceutical company focused on improving patients' lives by identifying, developing, acquiring and commercializing differentiated products that address unmet medical needs. The company markets a portfolio of products in arthritis, inflammation and orphan diseases.

Cooley has a longstanding relationship with Horizon, including taking the company public in 2011. In 2015, Cooley advised Horizon on its largest acquisition to date – the acquisition of Hyperion Therapeutics for $1.1 billion, as well as its acquisition of Crealta for $510 million. Cooley helped Horizon fund this transaction through several equity and debt financings.

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Press Coverage:

"More Rare Disease Deal Making to Follow Horizon's Raptor Deal," The Deal

"Horizon Buys Rare-Disease Company Raptor for $800 Million," The Washington Post

"Horizon Pharma Swoops in on Raptor," The Deal

"HZNP, RPTP: Horizon Pharma PLC Stock Jumps on $800 Million Raptor Pharmaceutical Corp. Buy," InvestorPlace

"Horizon Pharma Buys Rare-Disease Company Raptor for $800 Million," Crain’s Chicago Business

"Horizon Buys Rare-Disease Company Raptor for $800 Million," Bloomberg

"Horizon Pharma to Buy Raptor Pharma for $800 Mln," Reuters

"New ‘Horizon’ for Raptor in $800M Cash Deal," BioWorld

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