Transforming For Our Future

Select Regulatory and Legislative Matters SION OF COMMISSIO STATE OF MISSOUR Missouri Public Service Commission • • • • Order approving electric rate review filling: Docket No. ER-2021-0240 Order approving natural gas rate review filing: Docket No. GR-2021-0241 Smart Energy Plan filing: Docket No. EO-2019-0044 2020 Integrated Resource Plan: Docket No. ER-2021-0021: https://www.ameren.com/netzero Securitization bill (HB 734) enacted July 2021: http://www.house.mo.gov/billcentral.aspx Smart Energy Plan bill (SB 745): https://www.senate.mo.gov/ Ameren UNOS COMMERE ICC 0 COMMISSION W • Order opening MoPSC Staff Rush Island review: Docket No. EO-2022-0215 Website: https://www.efis.psc.mo.gov/mpsc/DocketSheet.html Illinois Commerce Commission • IETL (SB 2408) enacted Aug. 2021: www.ilga.gov/legislation • IETL Implementation Workshops: https://www.icc.Illinois.gov/programs/climate-and-equitable-jobs-act-implementation • Pending performance metrics filing: Docket No. 22-0063 . Pending electric distribution performance-based rate update filing: Docket No. 22-0297 • Order approving natural gas rate review filing: Docket No. 20-0308 • • Order approving electric vehicle plan: Docket No. 20-0710 Website: http://www.icc.illinois.gov Federal Energy Regulatory Commission . Order in complaint proceedings regarding MISO base ROE: Docket No. EL14-12 (first complaint) and Docket No. EL15-45 (second complaint) FERC Notice of Proposed Rulemaking regarding policies for incentives: Docket No. RM20-10-000 Illinois & ATXI Projected 2022 Attachment O: http://www.oasis.oati.com/woa/docs/AMRN/AMRNdocs/2022_Transmission Rates_List.html Website: http://elibrary.ferc.gov/idmws/search/fercadvsearch.asp First Quarter 2022 Earnings | May 6, 2022 35

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