Except as otherwise determined by the Committee at the date of grant or thereafter, upon Termination of Service during the applicable deferral period or portion thereof to which forfeiture conditions apply (as provided in the Award Agreement evidencing the Restricted Stock Units), or upon failure to satisfy any other conditions precedent to the delivery of Shares or cash to which such Restricted Stock Units relate, all Restricted Stock Units that are at that time subject to deferral or restriction shall be forfeited;  provided ,  however  , that the Committee may provide, by rule or regulation or in any Award Agreement, or may determine in any individual case, that restrictions or forfeiture conditions relating to Restricted Stock Units will be waived in whole or in part in the event of Termination of Service resulting from specified causes, and the Committee may in other cases waive in whole or in part the forfeiture of Restricted Stock Units.