Builders FirstSource — Oct 30, 2025 release

3       2025 Full Year Assumptions The Company’s anticipated 2025 performance is based on several assumptions for the full year, including the following: • Within the Company’s geographies, Single Family starts are projected to be down approximately 9%, Multi-Family starts down mid-teens, and R&R is projected to be flat. • Acquisitions completed within the last twelve months are projected to add net sales growth of approximately 5%. • Total capital expenditures in the range of $300 million to $350 million. • Interest expense in the range of $270 million to $280 million. • An effective tax rate of 20.0% to 22.0%. • Depreciation and amortization expenses in the range of $550 million to $600 million. • One fewer selling day is projected to decrease net sales by 0.4% in 2025 versus 2024.   Conference Call Builders FirstSource will host a conference call and webcast on Thursday, October 30, 2025, to discuss the Company’s financial results and other business matters. The teleconference will begin at 8:00 a.m. Central Time and will be hosted by Peter Jackson, Chief Executive Officer, and Pete Beckmann, Chief Financial Officer.   The live webcast and archived replay can be accessed on the Company's investor relations website at investors.bldr.com under the Events and Presentations section. The online archive of the webcast will be available for approximately 90 days. To participate in the teleconference, please dial into the call a few minutes before the start time at 800