definiens: means the period beginning on the January 1, 2015 and ending on March 31,2015 . At any gtime within [ * * ] days after the closing of an [COMPANY] Trade Sale, [COMPANY] may terminate the 2015Target Nomination Period upon [ * * ] days ’ prior written notice to [COMPANY] . The 2015 Target Nomination Period shallbe a Target Nomination for all purposes under this Agreement other than Section 2.4(a ), which shall not apply tothe 2015 Target Nomination Period . For clarity, the 2015 Target Nomination Period shall be followed by a TailPeriod . No later than [ * * ] prior to the expiration of the 2015 Target Nomination Period, [COMPANY] shall notify Adimabin writing of those Research Programs that [COMPANY] elects ( in its sole discretion ) to pursue during the Tail Period(or any portion thereof ) and [COMPANY] will provide [COMPANY] with a schedule of the FTE usage required by [COMPANY] tocomplete such Research Programs . During the 2015 Target Nomination Period and the Tail Period [COMPANY] willdevote the number of FTEs required to complete such Research Programs, however, [COMPANY] ’s aggregate FTEcommitment during the Tail Period shall not exceed [ * * ] FTEs per year over such period taken as a whole unlessagreed by the Parties in writing . [COMPANY] shall not be required during the Target Nomination Period or during theTail Period to devote any FTEs to performing Research Programs, other than FTEs funded by [COMPANY] underSection 4.2 . In addition, the last sentence of Section 4.2(a ) shall not apply to the 2015 Target Nomination Period, 2