Any Chairman Retention RSUs that are not vested pursuant to Section 4 of this Award Agreement shall be forfeited on each applicable Vesting Date. Subject to any provision to the contrary in the Letter Agreement (including Section 7 thereof), and notwithstanding anything to the contrary in the Plan, in the event the Participant’s service as chairman of the Board terminates for any reason at a time when any outstanding Chairman Retention RSUs are unvested, such Chairman Retention RSUs shall be immediately forfeited, unless otherwise determined by the Company in its sole discretion.