Builders FirstSource, Inc. (NYSE:BLDR) ("Builders FirstSource" or the "Company") will host a conference call and webcast on Thursday, May 1, 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, President and Chief Executive Officer, and Pete Beckmann, Chief Financial Officer.

To participate in the teleconference, please dial into the call a few minutes before the start time at 800-445-7795 (U.S. and Canada) or 785-424-1699 (International), Conference ID: BLDRQ125. A replay of the call will be available at 12:00 p.m. Central Time through Thursday, May 8, 2025. To access the replay, please dial 800-839-5127 (U.S. and Canada) or 402-220-2692 (International). The live webcast and archived replay can also 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.

About Builders FirstSource

Headquartered in Irving, Texas, Builders FirstSource is the largest U.S. supplier of building products, prefabricated components, and value-added services to the professional market segment for new residential construction and repair and remodeling. We provide customers an integrated homebuilding solution, offering manufacturing, supply, delivery, and installation of a full range of structural and related building products. We operate in 43 states with approximately 590 locations and have a market presence in 48 of the top 50 and 92 of the top 100 MSAs, providing geographic diversity and balanced end market exposure. We service customers from strategically located distribution and manufacturing facilities (some of which are co-located) that produce value-added products such as roof and floor trusses, wall panels, stairs, vinyl windows, custom millwork, and pre-hung doors. Builders FirstSource also distributes dimensional lumber and lumber sheet goods, millwork, windows, interior and exterior doors, and other specialty building products. www.bldr.com

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Heather Kos

SVP, Investor Relations

Builders FirstSource, Inc.

investorrelations@BLDR.com

Builders FirstSource to Host First Quarter 2025 Financial Results Conference Call and Webcast