definiens: shall mean any of the three entities whose names appear on Exhibit A hereto . Wi thin the 45 - day period prior to December 31, 2006, and every twenty - four months thereafter withi n the 45 - day period prior to the end of such 24 - month period, the parties will agree on which three entity names will be the Listed Entities for the n ext 24 month period, and will amend Exhibit A according ly . If the parties are unable to agree to the Liste d Entities by the expiration of the then - current twen ty - four month period, the Listed Entities for the n ext twenty - four month period will be ( 1 ) the one compan y with the larxxxx xxxlar share of the aggregate global market segment xxx xxx treatment of postmeno pausal osteoporosis as determined by IMS audits, and ( 2 ) the two other companies projected by Thomps on First Call consensus analyst estimates ( or, if Thompson First Call does not publish such estimates, such estimates published by a similar industry publication xx, xx xhere are no such similar indust ry publications, the consensus of the pharmaceutica l analysts xxxx xxe top five investment banks having pharmaceutical analysts as ranked in Thompson First Call ’s most recent league tables published pr ior to the date of determination or, if Thompson Fi rst Call does not publish league tables, in other indus try league tables ) to have, within the eighty - four months immediately following the relevant determina tion date, the two highest dollar shares within the global prescription postmenopausal osteoporosis tre at ment segment, such dollar shares to be determined by dividing the aggregate projected dollar sales of the relevant product during the relevant period by xxx xxxxegate projected dollar sales of the global prescription postmenopausal osteoporosis treatment segment for the relevant period, all such projectio ns to be determined by the Thompson First Call consensus of analysts for the relevant period . If t wo or more companies are tied in either of the doll ar shares rankings under clauses ( 1 ) and ( 2 ) above, - 86 - then API may select which of the companies so tied will be the Listed Entities determined by the relevant clause