X0407 4 2023-06-14 0 0001600438 GMS Inc. GMS 0001409751 Coliseum Capital Management, LLC 105 ROWAYTON AVE. ROWAYTON CT 06853 0 0 1 0 0001409585 Coliseum Capital, LLC 105 ROWAYTON AVE. ROWAYTON CT 06853 0 0 1 0 0001356974 COLISEUM CAPITAL PARTNERS, L.P. 105 ROWAYTON AVE. ROWAYTON CT 06853 0 0 1 0 0001807345 Coliseum Capital Co-Invest III, L.P. 105 ROWAYTON AVE. ROWAYTON CT 06853 0 0 1 0 0001454123 Gray Adam 105 ROWAYTON AVE. ROWAYTON CT 06853 0 0 1 0 0001430708 Shackelton Christopher S 105 ROWAYTON AVE. ROWAYTON CT 06853 0 0 1 0 0 Common stock, par value $0.01 per share ("Common Stock") 2023-06-14 4 S 0 72865 66.79 D 5919098 I See Footnotes Common Stock 2023-06-14 4 S 0 7206 67.93 D 5911892 I See Footnotes Common Stock 2023-06-15 4 S 0 336904 67.28 D 5574988 I See Footnotes Common Stock 2023-06-15 4 S 0 2503 67.98 D 5572485 I See Footnotes Common Stock 2023-06-16 4 S 0 781796 66.03 D 4790689 I See Footnotes Common Stock 2023-06-16 4 S 0 18204 67.23 D 4772485 I See Footnotes The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $66.68 to $67.55, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission ("SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $67.75 to $68.04, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $66.90 to $67.88, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $67.94 to $68.01, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $66.01 to $67.005, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $67.01 to $67.55, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The Common Stock is held directly by (a) Coliseum Capital Partners, L.P. ("CCP"), an investment limited partnership of which Coliseum Capital, LLC, a Delaware limited liability company ("CC"), is general partner and for which Coliseum Capital Management, LLC, a Delaware limited liability company ("CCM"), serves as investment adviser, (b) Coliseum Capital Co-Invest III, L.P. ("CCC III"), a Delaware limited partnership (and together with CCP, the "Funds"), an investment limited partnership of which CC is general partner and for which CCM serves as investment adviser, and (c) a separate account investment advisory client of CCM (the "Separate Account"). Christopher Shackelton ("Shackelton") and Adam Gray ("Gray") are managers of and have an ownership interest in each of CCM and CC. Each of Shackelton, Gray, CCP, CCC III, the Separate Account, CC and CCM disclaims beneficial ownership of these securities except to the extent of that person's pecuniary interest therein. Following the transactions reported herein, CCP, the Separate Account and CCC III directly owned 3,259,919, 925,571 and 586,995 shares of Common Stock, respectively. Coliseum Capital Management, LLC By: /s/ Thomas Sparta Thomas Sparta, Attorney-in-fact 2023-06-16 Coliseum Capital, LLC By: /s/ Thomas Sparta Thomas Sparta, Attorney-in-fact 2023-06-16 Coliseum Capital Partners, L.P. By: Coliseum Capital, LLC, its General Partner By: /s/ Thomas Sparta Thomas Sparta, Attorney-in-fact 2023-06-16 Coliseum Capital Co-Invest III, L.P. By: Coliseum Capital, LLC, its General Partner By: /s/ Thomas Sparta Thomas Sparta, Attorney-in-fact 2023-06-16 Adam Gray, By: /s/ Thomas Sparta Thomas Sparta, Attorney-in-fact 2023-06-16 Christopher Shackelton, By: /s/ Thomas Sparta Thomas Sparta, Attorney-in-fact 2023-06-16