This excerpt taken from the MRO 10-Q filed Aug 7, 2007.
3. Vesting of Performance Units. Unless the Participants right to the Performance Units is previously forfeited or vested in accordance with Paragraphs 4, 5, 6, or 7, following the Committees determinations pursuant to Paragraph 2, the Participant shall vest in and be entitled to receive a cash payment equal to the product of (i) the number of Performance Units granted hereunder and (ii) the Payout Value. Such cash payment shall be made as soon as administratively feasible following the Committees determination under Paragraph 2 and, in any event, during the calendar year following the close of the 2007-2009 Performance Cycle. If, in accordance with the Committees determination under Paragraph 2, the Payout Value is zero, the Participant shall immediately forfeit any and all rights to the Performance Units. Upon the vesting and/or forfeiture of the Performance Units pursuant to this Paragraph 3 and the making of the related cash payment, if
any, the rights of the Participant and the obligations of the Corporation under this Award Agreement shall be satisfied in full.