Document GzBvaM5zXKBZ0Z0DJqMrYLNX4

USCA Case #24-1190 Document #2062093 Filed: 06/27/2024 Page 2 of 123 Declaration of John D. llines In Support of Petitioners' Motion to Stay Final Rule I, John D. J lines, having been duly sworn and upon my oath, hereby declare and state as follows: 1. My name is John D. Hines and I am NorthWestern Corporation d/b/a NorthWestern Energy's ("North Western") Vice President -- Supply, Environment and Montana Government Affairs. 1 have been the executive responsible for NorthWestern's energy supply since 2011 and have worked in the energy industry since 1989. 2. I am over the age of 18 and 1 make this Declaration based on my personal knowledge. 3. As NorthWestern's Vice President Supply, Environment and Montana Government Affairs, I am responsible for ensuring that NorthWestern has the power generation resources required to meet the electrical power needs of its customers reliably, affordably, and safely in a sustainable manner consistent with all applicable laws and regulations. As part of my responsibilities, I oversee NorthWestern's resource planning function and the development of NorthWestern's Electric Supply Resource Procurement Plans as required by Montana law and operations of our generation fleet and a marketing function that buys and sells electricity depending on the status of the portfolio. I am also responsible for lands management, permitting, and environmental compliance, as well as NorthWestern's governmental affairs in Montana. 4. On June 23, 2023, NorthWestern provided comments to the United States Environmental Protection Agency ("EPA") on the Proposal on National Emissions Standards for I Ia7ardous Air Pollutants: Coal and Oil-Fired Electric Utility Steam Generating Units Review of the Residual Risk and Technology Review, published in the Federal Register on April 24, 2023, at 88 Fed. Reg. 24,854 ("Proposed MATS2 Rule" (referred to as "MATS2" because it is a 1 Sierra Club FOIA 2025-EPA-04883 ED_018388_00000310-00002 SC_EVERSPLIT0006257