Coliseum Capital Management, LLC sold GMS

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.05 to $110.07, 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 sold at each separate price within the range set forth in this footnote.; The shares of Common Stock reported herein are directly held by (a) Coliseum Capital Partners, L.P. ("CCP"), Coliseum Capital Co-Invest III, L.P. ("CCC III") and Coliseum Capital Co-Invest IV, L.P. ("CCC IV"), each of which are 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; and (b) 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, CCC IV, the Separate Account, CC and CCM disclaims beneficial ownership of these securities except to the extent of that person's pecuniary interest therein.