Congre55 of tbe Uniteti )tatr5 e-)OUS at erpr r5rnt at tin 5 Ullrecnwoil, et 20515 December 18,2023 The I Ionorable Michael S.

PETE MAILING ADDRESS: PHYSICAL ADDRESS: IEN P.O.

NorthWestern Energy Delivering a Bright Future state sources.

USCA Case #24-1190 Document #2062093 MATS rulemakire impacts Income Profile Filed: 06/27/2024 Page 82 of 92 Comparison Type: Montana - Forecast: Differences - C omparison Forecast: MATS rulemaking impacts 19 Sierra Club FOIA 2025-EPA-04883 ED_018388_00000309-00082 SC_EVERSPLIT0006245

March 28, 2025 Ionorable Lee Zeldin Office of the Administrator (1101A) United States Environmental Protection Agency 1200 Pennsylvania Avenue, N.W.

Message From: Sent: To: CC: Subject: Dunkins, Robin [Dunkins.Robin@epa.gov] 3/24/2025 10:43:37 PM Fillio, Kristen [Fillio.Kristen@epa.gov]; Noonan, Jenny [Noonan.Jenny@epa.gov] Do, Bebhinn [do.bebhinn@epa.gov] Re: Presidential Exemption under CAA Section 112(i)(4) I will contact her tomorrow.

Message From: Sent: To: Subject: Attachments: Dunkins, Robin [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=50505AF25AF94494AD34EE072A4F1E45-RDUNKINS] 3/24/2025 12:23:22 PM Do, Bebhinn [do.bebhinn@epa.gov] Test 112 Presidential Exemptions -- announcing process -- Corn Strategy.docx Get Outlook for iOS Sierra Club FOIA 2025-EPA-04883 ED_018865_00000219-00001 SC_EVERSPLIT0007829

Message From: Sent: To: Subject: Attachments: McLamb, Marguerite [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=85F0F472928E4767965C94E609FEDC45-MCLAMB, MARGUERITE] 3/24/2025 3:50:16 PM Swanson, Nicholas [Swanson.Nicholas@epa.gov] FW: 112 Presidential Exemption Info - so far 112 Presidential Exemptions -- announcing process -- Com Strategy.docx; 2025.03.21_Presidential Exemption Directions_ Edits.docx Looks like Korbin is helping in a general way with the effort?

Message From: Sent: To: CC: Subject: Millett, John [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=C067CAA6C93544F78C26AB08CC567D27-MILLETT, JOHN] 3/24/2025 6:04:04 PM Abboud, Michael [abboud.michael@epa.gov]; Jakob, Avivah [Jakob.Avivah@epa.gov] Deluca, Isabel [DeLuca.lsabel@epa.gov] FW: NESHAP (Clean Air Act Toxics regs) Presidential Exemptions Hi Mike and Avivah -- following up on this 1/12 press release -- heads up that we're going live at 3pm today with information in the banner of is websi announcing that facilities can submit requests for a Presidential Exemption under section 112(i)(4) of the Clean Air Act for the nine Clean Air Act regs flagged in that release.

Oak Grove Management Company LLC Oak Grove Steam Electric Station 6555 Sierra Drive Irving, TX 75039 March 31, 2025 Submitted via email to airaction(depa.gov President Donald J.

From: Nathan Kaczmarek <nathan.kaczmarek@fed-soc.org> To: "Getto, Leila S" <leila_getto@ios.doi.gov> Subject: Re: FW: [EXTERNAL] Federalist Society Speaking Invitation for Sec.

Message From: Sent: To: CC: Subject: Howell, Mike [Mike.Howell@heritage.org] 7/2/2020 4:07:43 PM Hyman, Alana [Hyman.Alana@epa.gov] Yarbrough, John (Daniel) [Yarbrough.Daniel@epa.gov]; Dickerson, Aaron [dickerson.aaron@epa.gov]; Ryan, Janine [Janine.Ryan@heritage.org]; Foster, Annie [Annie.Foster@heritage.org]; Bakst, Daren [Daren.Bakst@heritage.org]; Molina, Michael [molina.michael@epa.gov]; Hewitt, James [hewitt.james@epa.gov] Re: Invitation to Administrator Wheeler We've been using GoTo Webinar so if that works for y'all then that is what we'd go with.

Appointment From: Sent: To: Nolan, Rich [RNolan@nma.org] 11/16/2020 4:19:02 PM Gunasekara, Mandy [gunasekara.Mandy@epa.gov] Subject: Accepted: Call with National Mining Association Start: 11/18/2020 6:00:00 PM End: 11/18/2020 6:30:00 PM Show Time As: Busy Recurrence: (none) 2024-EPA-05254 Sierra Club FOIA 2024-EPA-05254 ED_017426_00003084-00001 SC_EVERSPLIT0002282

Message From: Sent: To: Subject: Gunasekara, Mandy [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=F639EA28AF4C455493939E3129260707-GUNASEKARA,] 3/25/2020 11:14:25 PM Richard Moskowitz [RMoskowitz@afpm.org] RE: AFPM Petition for Reconsideration - 2020 RFS Thank you Rich.

Michael J.