By Anonymous The Deal: Bristol-Myers Squibb Company has entered into a definitive agreement to purchase Kosan Biosciences Inc. for $5.50 per share in a cash tender offer.

HAYWARD, Calif., Oct. 25 /PRNewswire-FirstCall/ -- Kosan Biosciences Inc. today announced that it will host a Research and Development Day on Wednesday, October 31, 2007, beginning at approximately 7:30 a.m. Eastern Time (4:30 a.m. Pacific Time).