definiens: means any day that is not a Saturday, a Sunday or other day on whichbanks are required or authorized by law to be closed in The City of New York . EXHIBIT 10.15 means the ( i ) sale of all or substantially all the assets of a Party inone or more related transactions ; ( ii ) any merger, consolidation or acquisition of a Party with, byor into another corporation, entity or Person in which the shareholders of a Party immediatelyprior to such merger, consolidation or acquisition do not continue to hold immediately followingthe closing of such merger, consolidation or acquisition, directly or indirectly, the power to director cause the direction of the management and policies of the entity surviving or resulting fromsuch merger, consolidation or acquisition, whether through the ownership of voting securities, astrustee or executor, as general partner or managing member, by Contract or otherwise, includingthe ownership, directly or indirectly, of securities having the power to elect a majority of theboard of directors or similar body governing the affairs of such entity ; or ( iii ) any acquisition ofmore than fifty percent ( 50 % ) of the aggregate voting power entitled to vote for the election ofdirectors represented by the issued and outstanding stock of such Party in one or more relatedtransactions