definiens: shall mean ( i ) the amount ( if any ) by which actual aggregate Net Sales of the Product exceeded Termina tion Baseline Sales during the twelve ( 12 ) month period ending on the effective date of termination of this Agreement ( provided, however, that if the effective date of termination of this Agreement is not the last day of a month, such period shall be t he twelve ( 12 ) month period ending on the last day of the prior month ) divided by ( ii ) twelve ( 12 ) ; ( ii ) shall mean, wit h respect to a particular Sales Year, [ * * * ] percent ( [ * * * ] % ) for Sales Year 1, [ * * * ] percent ( [ * * * ] % ) f or Sales Year 2, [ * * * ] percent ( [ * * * ] % ) for Sales Year 3, [ * * * ] percent ( [ * * * ] % ) for Sales Year 4, an d [ * * * ] percent ( [ * * * ] % ) for any Sales Year thereafter ; * * * Certain information on this page has been omitte d and filed separately with the Securities and Exch ange Commission . Confidential treatment has been request ed with respect to the omitted portions