Mark To Market Calculations These documents provide the Price Adjustment Factors and estimated Tranche Volumes required to perform the mark-to-market (MtM) calculation in support of the credit requirements for the Master Standard Service Offer Supply Agreement (“Master SSO Supply Agreement”) for Duke Energy Ohio, Inc.’s CBP auctions. The calculations are described in Attachment C-2 to the Master SSO Supply Agreement. | Document: | | Updated On: | | Attachment C-2 Data for Sep. 2022 Auction |  | Thursday, October 6, 2022 | | Attachment C-2 Data for February 2023 Auction | | Tuesday, January 17, 2023 | | Attachment C-2 Data for July 2023 Auction | | Monday, July 17, 2023 | | Attachment C-2 Data for September 2023 Auction | | Wednesday, September 6, 2023 | |