A Participant’s interest in credits to his Savings Plan Restoration Account attributable to periods prior to January 1, 2009 and earnings thereon shall vest at the same rate and at the same time as would have been the case had such contribution been made to the Savings Plan. As of January 1, 2017, all amounts credited to a Participant’s Savings Plan Restoration Account, including credits attributable to periods prior to January 1, 2009, credits attributable to periods on and after January 1, 2017 and credits under paragraph (c) below are 100% vested at all times.