X0306 4 2016-09-23 0 0000816284 CELGENE CORP /DE/ CELG 0001255954 BARKER RICHARD W C/O CELGENE CORPORATION 86 MORRIS AVENUE SUMMIT NJ 07901 1 0 0 0 Common Stock 2016-09-23 4 M 0 20000 36.92 A 31332 D Common Stock 2016-09-23 4 S 0 20000 110.82 D 11332 D Stock Option (right to buy) 36.92 2016-09-23 4 M 0 20000 D 2022-01-20 Common Stock 20000 20000 D The price reported in Column 4 is a weighted average price. These shares were sold by the reporting person in multiple transactions at prices ranging from $110.50 to $111.00, inclusive. The reporting person undertakes to provide to Celgene Corporation (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4. The option was fully exercisable. The option was issued pursuant to the Company's 2008 Stock Incentive Plan (as amended and restated as of April 15, 2015). /s/ Peter N. Kellogg _________________________ Peter N. Kellogg, Attorney-in-Fact 2016-09-26