The Spring 2023 Block Energy and Capacity Request for Proposals (“BEC RFP”) consists of the procurement of: (i) monthly on-peak and off-peak standard block forward products as well as combinations for Ameren Illinois Company (“AIC”), Commonwealth Edison Company (“ComEd”), and MidAmerican Energy Company (“MEC”) for the period June 1, 2023 to May 31, 2026; and (ii) capacity for AIC for the periods June 1, 2024 to May 31, 2025 and June 1, 2025 to May 31, 2026.

A bidder information webcast will be held on Friday, March 17, 2023 at 2:00 PM Central and is open to all prospective bidders. The webcast will cover a number of topics, including:

• An overview of the RFP Process and Rules including qualification requirements; and
• Information relating to Appendix 18 Fuel Mix Report. Collection of fuel mix data related to winning Bids for a procurement event for Energy Products is new for this Spring 2023 RFP.

Time is scheduled for questions.

If you wish to participate, and have not done so already, please RSVP with the number of phone connections needed. Call-in information will be provided to respondents on the day of the webcast.