The Company may amend this Plan, in whole or in part, at any time, provided, however, that no amendment shall be effective to decrease the balance in any Account as accrued at the time of such amendment. Any amendment which would allow officers of the Company to participate in the Plan shall require the approval of the AbbVie Inc. Board of Directors. Any amendment which increases the total cost of the Plan to the Employers in excess of $250,000 in each of the three full calendar years next following the date of the amendment shall be approved by the Board of Review. The Senior Vice President, Human Resources of the Company (or the individual holding equivalent duties and responsibilities) shall approve all other amendments to the Plan and the extension of the Plan to any division or Subsidiary of the Company.