develop and implement the Section 112(f) Control Projects.

March 28, 2025 U.S.

Exhibit 2 NorthWestern Comments Sierra Club FOIA 2025-EPA-04883 ED_018388_00000308-00001 SC_EVERSPLIT0006138

USCA Case #24-1190 Co strip PM Evaluation -- Final Document #2062093 Apri 29, 2024 Filed: 06/27/2024 Page 42 of 92 Cost Evaluation 5.0 COST EVALUATION Included in this section of the report are the cost estimates for both control technologies evaluated for application at Colstrip.

Minnkota Power Cooperative, Inc Milton R Young Station Unit 2 A14559 010 Rev No Final June 23. 2023 3.2.

Coast.

Message From: Sent: To: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=FA78B98923384078995E04A73D258D83-AIRACTION] 4/1/2025 2:51:01 PM DeLibero, Matthew J [M]DeLibero@uss.com] RE: Presidential Exemption: Coke MACT RTR Rule (2024): U.

Message From: Sent: To: CC: Subject: McLamb, Marguerite [McLamb.Marguerite@epa.gov] 3/25/2025 2:52:58 PM Dunkins, Robin [Dunkins.Robin@epa.gov]; Fillio, Kristen [Fillio.Kristen@epa.gov] Do, Bebhinn [do.bebhinn@epa.gov] RE: Presidential Exemption under CAA Section 112(i)(4) Thanks, Robin.

3/21/25 Draft Communication Strategy Announcing Streamlined Process for the Regulated Community to request a Presidential Exemption under section 112(i)(4) of the Clean Air Act Desk Statement Ex. 5 Deliberative Process (DP) Background Ex. 5 Deliberative Process (DP) Sierra Club FOIA 2025-EPA-04883 ED_018865_00000220-00001 SC_EVERSPLIT0007830 Ex. 5 Deliberative Process (DP) Sierra Club FOIA 2025-EPA-04883 ED_018865_00000220-00002 SC_EVERSPLIT0007831

2024-EPA-05254 Sierra Club FOIA 2024-EPA-05254 ED_017426_00000898-00001 SC_EVERSPLIT0000680

Message From: Sent: To: CC: Subject: Charles Franklin [cfranklin@cement.org] 5/4/2020 9:35:25 PM Gary Mullings [Gmullings@nrmca.org]; Dickerson, Aaron [dickerson.aaron@epa.gov] Sean O'Neill [soneill@cement.org]; Kevin Walgenbach [kwalgenbach@nrmca.org]; Michael Philipps [mphilipps@nrmca.org] RE: Smart Sector Partner Call with EPA Administrator Andrew Wheeler Thanks, Gary.

Message From: Sent: To: CC: Subject: Attachments: Beau Greenwood [BGreenwood@croplifeamerica.org] 6/5/2020 10:44:11 PM Gunasekara, Mandy [gunasekara.Mandy@epa.gov]; Molina, Michael [molina.michael@epa.gov] jmassie@massiepartners.com CropLife America meeting request Wheeler meeting request dicamba 6 5 20.docx Hi Mandy.

Document 24 From: API Press Sent: Tue, 08 Apr 2025 23:43:49 +0000 (UTC) To: Dietderich, Ben Subject: [EXTERNAL] API Welcomes Trump Administration's Actions to Protect American Energy from Illegal State Overreach Click here to read this release online X NEWS RELEASE API Welcomes Trump Administration's Actions to Protect American Energy from Illegal State Overreach WASHINGTON, April 8, 2025 - The American Petroleum Institute today issued the following statement from Senior Vice President and General Counsel Ryan Meyers after President Trump signed an executive order directing the Department of Justice to protect American energy from so-called "climate superfunds."

Document 25 From : Winberg, Steven Se nt: Fri, 21 Mar 2025 20:15:40 +0000 To: Winberg, Steven; Playforth, Taylor; Jereza, Catherine; Tatulyan, Kevin; alotto@publicpower.org Cc: Morales, Aaron; Barte, Thalia (CONTR) Bee: CNF- MA-7A-187 Subject: DOE lnfrastructure/APPA Meeting Please forward as needed.

Document 78 From: Sent: To: Subject: Tatulyan, Kevin Tue, 15 Apr 2025 14:36:26 +0000 Colleen Moss; Emma Quigg Re: Intro to Colleen Moss Hi Colleen, Thank you for your email - it's great to hear from you!