Document bBX7dXYVedw03yYgQdRv8K0e3

Message From: Sent: To: CC: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=FA78B98923384078995E04A73D258D83-AIRACTION] 4/2/2025 12:09:34 PM Bound, Nick [NBound@ameren.com] Giesmann, Craig J [CGiesmann@ameren.com] CORRECTION: Updated email address for CBI related to the Presidential Exemption In the previous email, an incorrect email address was provided for the submission of electronic Confidential Business Information (CBI). The email address should be: Thank you. From: AirAction Sent: Tuesday, April 1, 2025 9:17 AM To: Bound, Nick <NBound@ameren.com> Cc: Giesmann, Craig <CGiesmann@ameren.com> Subject: RE: Ameren Missouri Request fora Presidential Exemption Pursuant to CAA Section 112(i)(4) for EPA's Final Rule Amending the National Emission Standards for Hazardous Air Pollutants For Coal- And Oil-Fired Electric Utility Steam Generating Units Thank you for emailing the AirAction mailbox to request a Presidential Exemption under section 1 12(i)(4) of the Clean Air Act and for engaging with EPA in advancing President Trump's Executive Orders and Powering the Great American Comeback. We have received your email and will be in contact soon. If you have Confidential Business Information (CBI) that you'd like to submit, please submit it in electronic version to the I ,Ts inbox or in hardcopy to: USEPA. OAQPS CORE CBI Office 4930 Old Page Road Durham, NC 27703 From: Bound, Nick <Nkrillrld Sent: Monday, March 31, 2025 4:03 PM To: AirAction Ji, ' Cc: Giesmann, Craig > Subject: Ameren Missouri Request fora Presidential Exemption Pursuant to CAA Section 112(i)(4) for EPA's Final Rule Amending the National Emission Standards for Hazardous Air Pollutants For Coal- And Oil-Fired Electric Utility Steam Generating Units Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. I Dear Administrator Zeldin, In accordance with the Mercury and Air Toxics Standards (MATS) fact sheet and EPA's March 12. 2025 request, Ameren Missouri submits our Presidential Exemption request for the Labadie and Sioux Energy Centers. Thanks. Sierra Club FOIA 2025-EPA-04883 ED_018388_00005722-00001 SC_EVERSPLIT0020922 Nick Bound Environmental Scientist Environmental Services -- Air Quality 618 771.7042 NBoundeameren.com This communication and any attachments may be privileged and/or confidential and protected from disclosure, and are otherwise the exclusive property of Ameren Corporation and its affiliates (Ameren) or the intended recipient. If you are not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. Note that any views or opinions presented in this message do not necessarily represent those of Ameren. All e-mails are subject to Ameren policies. If you have received this in error, please notify the sender immediately by replying to the message and deleting the material from any computer. Sierra Club FOIA 2025-EPA-04883 ED_018388_00005722-00002 SC_EVERSPLIT0020923