Item 5.02 Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain Officers Robert A. Hamm was named Chief Operating Officer of Biogen Idec Inc. effective March 30, 2009. Mr. Hamm replaces Hans Peter Hasler, who resigned from the position of Chief Operating Officer effective March 30, 2009.
Mr. Hamm, age 57, has served in various capacities at Biogen Idec Inc. and at Biogen, Inc. before the merger with IDEC Pharmaceuticals Corporation in November 2003, including: Executive Vice President, Pharmaceutical Operations & Technology (October 2007 - March 2009); Senior Vice President, Neurology Strategic Business Unit (January 2006 - October 2007); Senior Vice President, Immunology Business Unit (November 2002 - January 2006); Senior Vice President - Europe, Africa, Canada and Middle East (October 2001 - November 2002); Vice President - Sales and Marketing (October 2000 - October 2001); Vice President - Manufacturing (June 1999 - October 2000); Director, Northern Europe and Distributors (November 1996 - June 1999); and Associate Director, Logistics (April 1994 - November 1996).
As Chief Operating Officer, Mr. Hamm's base salary will be $720,000 per year and his target annual cash incentive opportunity will be 75% of base salary. In connection with his appointment, Mr. Hamm will receive awards of time-vested restricted stock units with a value of approximately $190,000, performance-vested restricted stock units with a value of approximately $190,000, and options to purchase shares of Biogen Idec common stock with a value of approximately $190,000. Each of these awards will be granted under the Biogen Idec Inc. 2008 Omnibus Equity Plan. The number of shares subject to each award will be based on the closing price of Biogen Idec common stock on April 1, 2009, the first trading day of the month following Mr. Hamm's appointment.

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