BOARD OF DIRECTORS
WILLIAM D. YOUNG
Chairman, Biogen Idec
Venture Partner,
Clarus Ventures, LLC
GEORGE A. SCANGOS, Ph.D.
Chief Executive Officer,
Biogen Idec
ALEXANDER J. DENNER, Ph.D.
Private Investor
CAROLINE D. DORSA
Executive Vice President and Chief Financial Officer,
Public Service Enterprise Group Incorporated
NANCY L. LEAMING
Retired Chief Executive Officer and President, Tufts Health Plan
RICHARD C. MULLIGAN, Ph.D.
Mallinckrodt Professor of Genetics,
Harvard Medical School
ROBERT W. PANGIA
Chief Executive Officer,
Ivy Sports Medicine, LLC
STELIOS PAPADOPOULOS, Ph.D.
Chairman, Exelixis, Inc.
BRIAN S. POSNER
Private Investor and President,
Point Rider Group LLC
ERIC K. ROWINSKY, M.D.
Head of R&D and Chief Medical Officer,
Stemline Therapeutics, Inc.
THE HONORABLE LYNN SCHENK
Attorney, former Chief of Staff to the Governor of California and former U.S. Congresswoman
STEPHEN A. SHERWIN, M.D.
Chairman, Ceregene, Inc.
MANAGEMENT
GEORGE A. SCANGOS, Ph.D.
Chief Executive Officer
SUSAN H. ALEXANDER
Executive Vice President, Chief Legal Officer and Corporate Secretary
PAUL J. CLANCY
Executive Vice President, Finance and Chief Financial Officer
JOHN G. COX
Executive Vice President, Pharmaceutical Operations and Technology
KENNETH DIPIETRO
Executive Vice President,
Human Resources
STEVEN H. HOLTZMAN
Executive Vice President,
Corporate Development
TONY KINGSLEY
Executive Vice President,
Global Commercial Operations
RAY PAWLICKI
Senior Vice President and
Chief Information Officer
DOUGLAS E. WILLIAMS, Ph.D.
Executive Vice President,
Research and Development
SHAREHOLDER INFORMATION
Corporate Headquarters
Biogen Idec Inc.
133 Boston Post Road
Weston, MA 02493
Phone: (781) 464-2000
SEC FORM 10-K
A copy of Biogen Idec's Annual Report on Form 10-K filed with the Securities and Exchange Commission is available at www.sec.gov and upon request to:
Investor Relations Department
Biogen Idec Inc.
133 Boston Post Road
Weston, MA 02493
(781) 464-2442
Transfer Agent
For shareholder questions regarding lost stock certificates, address changes and changes of ownership or names in which the shares are held, direct inquiries to:
Computershare Trust Company NA
250 Royall Street
Canton, MA 02021
(781) 575-2879
www.computershare.com
Independent Accountants
PricewaterhouseCoopers LLP
125 High Street
Boston, MA 02110
News Releases
As a service to our shareholders and prospective investors, copies of Biogen Idec news releases issued in the last 12 months are now available almost immediately 24 hours a day, seven days a week, on the web at www.businesswire.com. Biogen Idec's news releases are usually posted within one hour of being issued and are available at no cost at www.biogenidec.com.
Market Information
Our common stock trades on The NASDAQ Global Select Market under the symbol “BIIB.” The following table shows the high and low sales price for our common stock as reported by the NASDAQ Global Select Market for each quarter in the years ended December 31, 2011 and 2010.
Common Stock Price

