definiens: shall mean:(i)with respect to the period beginning on the first day after the end ofthe Initial Contingent Payment Period and ending on December 31,2014, the amount set forth below opposite the first full calendarmonth that occurs after the end of the Initial Contingent PaymentPeriod, as reduced from time to time, effective upon theconsummation of any TYSABRI Transaction in a Major MarketCountry with a Third Party Transferee pursuant to Section 4.9(c)(ii)(B ) ; andMarch 2014$1,666,666,666.67April 2014$1,500,000,000.00May 2014$1,333,333,333.33June 2014$1,166,666,666.67July 2014$1,000,000,000.00August 2014$833,333,333.33September 2014$666,666,666.67October 2014$500,000,000.00November 2014$333,333,333.33December 2014$166,666,666.67(ii)with respect to calendar year 2015 and each calendar yearthereafter during the Term, two billion dollars ( $ 2,000,000,000 ), asreduced from time to time, effective upon the consummation of anyTYSABRI Transaction in a Major Market Country with a Third PartyTransferee pursuant to Section 4.9(c)(ii)(B )