Record Adjusted EBITDA & Adjusted EBITDA Margin BMC Integration and Cost Savings Ahead of Plan Acquired John’s Lumber, Premier Building Distributor Serving Michigan DALLAS, May 06, 2021 (GLOBE NEWSWIRE) -- Builders FirstSource, Inc. (Nasdaq: BLDR) today reported its results for the first quarter ended March 31, 2021. In January 2021, the Company closed the BMC all-stock merger creating the nation’s premier supplier of building materials and services. First Quarter 2021 BFS Highlights (includes BMC in Q1 2021 and not in Q1 2020) All Year-Over-Year Comparisons Unless Otherwise Noted: Net sales of $4.2 billion for the quarter increased 133.6% driven by the merger with BMC, commodity inflation, and strong organic growth