SUMMIT, N.J.--(BUSINESS WIRE)--Celgene Corporation (NASDAQ: CELG) today announced that during its June meeting the Company’s Board of Directors authorized the repurchase of up to an additional $2.5 billion of the Company’s common stock. This open-ended program is effective immediately. Purchases may be made in the open market or in privately negotiated transactions from time to time, as determined by Celgene’s management and in accordance with the requirements of the Securities and Exchange Commission.