Builders FirstSource — Apr 30, 2026 release

• In the first quarter, the Company repurchased 3.3 million shares of its common stock at an average price of $92.25 per share for $302.9 million, inclusive of applicable fees and taxes. • On April 29, 2026, the Board of Directors authorized the repurchase of up to $500 million of the Company’s outstanding shares of common stock, which includes the approximately $200 million remaining under its prior April 2025 authorization. • Since the inception of its buyback program in August 2021, the Company has repurchased 102.6 million shares of its common stock, or 49.7% of its total shares outstanding, at an average price of $81.26 per share for a total cost of $8.3 billion, inclusive of applicable fees and taxes.   Productivity Savings From Operational Excellence • For the first quarter, the Company delivered approximately $6 million in productivity savings related to operational excellence and supply chain initiatives. • The Company expects to deliver $50 million to $70 million in productivity savings in 2026.   2026 Full Year Total Company Outlook For 2026, the Company expects to achieve the financial performance highlighted below. Projected Net Sales and Adjusted EBITDA include the expected impact of price, commodities, and margins. We are not providing a quantitative reconciliation of our forward-looking guidance of adjusted EBITDA, adjusted 3     EBITDA margin, or free cash flow because we are unable to predict with reasonable certainty all the co