Builders FirstSource, Inc. Information Request Form

Levi & Korsinsky, LLP has commenced an investigation into the fairness of the merger of Builders FirstSource, Inc. (“Builders FirstSource or the “Company”) (NASDAQ: BLDR) with BMC Stock Holdings, Inc. (NASDAQ: BMCH) (“BMC”). Under the terms of the merger, BMC shareholders will receive a fixed exchange ratio of 1.3125 shares of Builders FirstSource common stock for each share of BMC common stock. Upon completion of the merger, existing Builders FirstSource shareholders will own approximately 57% and existing BMC shareholders will own approximately 43% of the combined company on a fully diluted basis.

The Builders FirstSource merger investigation concerns whether the Board of Builders FirstSource has harmed stockholders by agreeing to enter into this transaction and whether all material facts have been properly disclosed to stockholders.