EXHIBIT 10.28
BIOGEN IDEC INC.
VOLUNTARY BOARD OF DIRECTORS SAVINGS PLAN
(As Amended and Restated; Effective January 1, 2004)
TABLE OF CONTENTS
ARTICLE 1 INTRODUCTION...............................................................................
1.1 Purpose and Effective Date.................................................................
ARTICLE 2 DEFINITIONS................................................................................
2.1 Biogen Idec................................................................................
2.2 Board......................................................................................
2.3 Committee..................................................................................
2.4 Director...................................................................................
2.5 Fees.......................................................................................
2.6 Participant................................................................................
2.7 Plan.......................................................................................
2.8 Retainer...................................................................................
2.9 Savings Plan...............................................................................
2.10 Plan Year..................................................................................
ARTICLE 3 PARTICIPATION..............................................................................
3.1 Eligibility and Participation..............................................................
3.2 End of Participation.......................................................................
ARTICLE 4 SAVINGS DEPOSITS BY PARTICIPANTS......................................