Mark to Market Calculations These documents summarize 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 AES Ohio’s CBP auctions. | Document: | | Updated On: | | MtM Calculation for April 2024 Auction |  | Friday, April 5, 2024 | | MtM Calculation for October 2024 Auction | | Monday, October 28, 2024 | | MtM Calculation for April 2025 Auction | | Thursday, May 1, 2025 | | MtM Calculation for October 2025 Auction | | Thursday, October 16, 2025 | | MtM Calculation for March 2026 Auction | | Thursday, April 9, 2026 | |