Regeneron Pharmaceuticals, Inc. and Decibel Therapeutics, Inc., a clinical-stage biotechnology company dedicated to discovering and developing transformative treatments to restore and improve hearing and balance, announced a definitive agreement for the acquisition of Decibel by Regeneron at a price of $4.00 per share of Decibel common stock payable in cash at closing, with an additional non-tradeable contingent value right (CVR) to receive up to $3.50 per share in cash upon achievement of certain clinical development and regulatory milestones for Decibel's lead investigational candidate, DB-OTO, within specified time periods. The proposed acquisition values Decibel at a total equity value of approximately $109 million based on the amount payable at closing, and a total equity value of up to approximately $213 million if the CVR milestones are achieved.