definiens: means each successive period of three ( 3 ) calendarmonths commencing on 1 January, 1 April, 1 July and 1 October, except that the first Calendar Quarterof the Term shall commence on the Effective Date and end on the day immediately prior to the first tooccur of 1 January, CONFIDENTIAL TREATMENT HAS BEEN REQUESTED FOR PORTIONS OF THIS EXHIBIT . THE COPY FILEDHEREWITH OMITS THE INFORMATION SUBJECT TO A CONFIDENTIALITY REQUEST . OMISSIONS AREDESIGNATED [ * * * ] . A COMPLETE VERSION OF THIS EXHIBIT HAS BEEN FILED SEPARATELY WITH THESECURITIES AND EXCHANGE COMMISSION.***Text Omitted and Filed SeparatelyConfidential Treatment RequestedUnder 17 C.F.R. § § 200.80(B)(4 ) and 240.24b-21 April, 1 July or 1 October after the Effective Date and the last Calendar Quarter shall end on the lastday of the Term