Company Name: Acceleron Pharma Inc.    

Acceleron Pharma Inc. is a clinical stage biopharmaceutical company. The company is engaged in the development of therapeutic candidates designed to regulate cellular growth and repair with a focus on the transforming growth factor-beta (TGF-beta) protein superfamily.

Ticker Symbol: XLRN (NASDAQ)

Company Website: www.acceleronpharma.com

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Headquarters: Cambridge, MA