In connection with the proposed transaction between Bristol-Myers Squibb Company (“Bristol-Myers Squibb”) and Celgene Corporation (“Celgene”), BristolMyers Squibb and Celgene will file relevant materials with the Securities and Exchange Commission (the “SEC”), including a Bristol-Myers Squibb registration statement on Form S-4 that will include a joint proxy statement of Bristol-Myers Squibb and Celgene that also constitutes a prospectus of Bristol-Myers Squibb, and a definitive joint proxy statement/prospectus will be mailed to stockholders of Bristol-Myers Squibb and Celgene.