Citigroup Quarterly Net Losses. For any Calendar Quarter, a “Citigroup Quarterly Net Loss” shall be equal to the amount (if any) by which (a) all Losses incurred by the Citigroup Ring-Fence Entities on all Covered Assets in such Calendar Quarter exceed (b) the sum of all Recoveries and Gains realized by the Citigroup Ring-Fence Entities on all Covered Assets in such Calendar Quarter.