A Participant shall be vested in his or her Stock Bonus Account as set forth in the Award Materials for such Stock Bonus. The vesting terms of Stock Bonus Accounts set forth in the Award Materials shall be established by the Committee in its sole discretion and may vary for each Participant and for each Stock Bonus. Notwithstanding anything to the contrary contained in the Plan or any Award Materials, the Committee shall have the authority, exercisable in its sole discretion, to accelerate the vesting of any amounts credited to any Stock Bonus Account of any Participant.