4.250% Senior Notes due 2032

On January 21, 2022 (the “Closing Date”), Builders FirstSource, Inc., a Delaware corporation (the “Company”), completed the previously announced sale of $300 million aggregate principal amount of its 4.250% senior notes due 2032 (the “Additional Notes”) at an issue price of 100.500% (the “Notes Offering”). The Additional Notes form part of the same series as the $1 billion aggregate principal amount of 4.250% Senior Notes due 2032 issued on July 23, 2021 (the “Initial Notes” and, together with the Additional Notes, the “Notes”).

The Company intends to use the net proceeds from the Notes Offering to repay indebtedness outstanding under its senior secured ABL facility (the “ABL Facility”) and to pay related transaction fees and expenses.

The Notes were issued and sold in a private transaction exempt from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”), to persons reasonably believed to be “qualified institutional buyers,” as defined in and in accordance with Rule 144A under the Securities Act, and to non-U.S. persons outside of the United States pursuant to Regulation S under the Securities Act. Accordingly, the Notes and the related guarantees have not been and will not be registered under the Securities Act and the Notes and the related guarantees may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act. This Current Report on Form 8-K is neither an offer to sell nor a solicitation of an offer to buy the Notes or any other securities and shall not constitute an offer, solicitation or sale in any jurisdiction in which such offer, solicitation or sale would be unlawful.

Indenture

The Additional Notes were issued as additional notes under the Indenture, dated as of July 23, 2021 (the “Base Indenture”), by and among the Company, the guarantors from time to time party thereto (the “Guarantors”) and Wilmington Trust, National Association, as trustee (the “Trustee”), as supplemented by the First Supplemental Indenture, dated as of January 1, 2022 (the “First Supplemental Indenture”), by and among the Company, the guarantors party thereto and the Trustee, and the Second Supplemental Indenture, dated as of the Closing Date (the “Second Supplemental Indenture” and, together with the Base Indenture and the First Supplemental Indenture, the “Indenture”), by and among the Company, the Guarantors and the Trustee.

Interest and Maturity

The Notes bear interest at a rate of 4.250% and mature on February 1, 2032. Interest is payable on the Notes on February 1 and August 1 of each year, commencing on February 1, 2022.

Guarantees

The Notes, subject to certain exceptions, are guaranteed, jointly and severally, on a senior unsecured basis, by each of the Company’s

direct and indirect wholly owned subsidiaries that guarantee its obligations under the ABL Facility, the Company’s 6.750% senior secured notes due 2027 (the “2027 Notes”) and the Company’s 5.000% senior notes due 2030 (the “2030 Notes”). Subject to certain exceptions, future subsidiaries that guarantee the ABL Facility, the 2027 Notes, the 2030 Notes or certain other indebtedness will also guarantee the Notes.

Ranking

The Notes constitute senior unsecured obligations of the Company and the Guarantors and rank pari passu in right of payment with all of the existing and future senior indebtedness of the Company, including indebtedness under the ABL Facility, the 2027 Notes and the 2030 Notes, effectively subordinated to all existing and future secured indebtedness of the Company and the Guarantors (including indebtedness under the ABL Facility and the 2027 Notes) to the extent of the value of the assets securing such indebtedness, senior to all of the future subordinated indebtedness of the Company and the Guarantors and structurally subordinated to any existing and future indebtedness and other liabilities, including preferred stock, of the Company’s subsidiaries that do not guarantee the Notes.

Covenants

The Indenture contains restrictive covenants that limit the ability of the Company and its restricted subsidiaries to, among other things, incur additional debt or issue preferred stock; create liens; create restrictions on the Company’s subsidiaries’ ability to make payments to the Company; pay dividends and make other distributions in respect of the Company’s and its subsidiaries’ capital stock; make certain investments or certain other restricted payments; guarantee indebtedness; designate unrestricted subsidiaries; sell certain kinds of assets; enter into certain types of transactions with affiliates; and effect mergers and consolidations.

Certain of these covenants will be suspended if the Notes are assigned an investment grade rating by any two of Standard & Poor’s Investors Ratings Services, Moody’s Investors Service, Inc. or Fitch, Inc. and no default or event of default has occurred and is continuing.

Events of Default

The Indenture provides for events of default (subject in certain cases to customary grace and cure periods), which include, among others, nonpayment of principal or interest when due, breach of covenants or other agreements in the Indenture, defaults in payment of certain other indebtedness and certain events of bankruptcy or insolvency. Generally, if an event of default occurs, the Trustee or the holders of at least 30% in principal amount of the outstanding Notes may declare the principal of and unpaid interest on all of the Notes to be due and payable immediately.

Redemption

At any time prior to August 1, 2026, the Company may redeem the Notes in whole or in part at a redemption price equal to 100% of the principal amount of the Notes plus the “applicable premium” set forth in the Indenture. At any time on or after August 1, 2026, the Company may redeem the Notes at the redemption prices set forth in the Indenture, plus accrued and unpaid interest, if any, to the redemption date. At any time prior to August 1, 2024, the Company may redeem up to 40% of the aggregate principal amount of the Notes with the net cash proceeds of one or more equity offerings, as described in the Indenture, at a price equal to 104.250% of the principal amount thereof, plus accrued and unpaid interest, if any, to the redemption date. If the Company experiences certain change of control triggering events, holders of the Notes may require it to repurchase all or part of their Notes at 101% of the principal amount thereof, plus accrued and unpaid interest, if any, to the repurchase date.

The foregoing summaries of the Base Indenture and the Notes are qualified in their entirety by reference to the actual Base Indenture and form of the Notes, which are incorporated herein by reference as Exhibits 4.1 and 4.2, respectively. The foregoing summary of the Second Supplemental Indenture is qualified in its entirety by reference to the actual Second Supplemental Indenture, which is attached hereto as Exhibit 4.3 and incorporated herein by reference.