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Perrigo to sell Tysabri's royalty stream to Royalty Pharma-sources

Feb 27 (Reuters) - Drugmaker Perrigo Co Plc said on Monday it has agreed to sell the royalty stream from its multiple sclerosis drug Tysabri to privately held Royalty Pharma for up to $2.85 billion.

The deal comprises of $2.2 billion in cash at closing and up to $650 million in potential milestone payments, according to a statement by Perrigo, which confirmed an earlier Reuters report about the agreement.

(Reporting by Carl O'Donnell and Greg Roumeliotis in New York; editing by Diane Craft)