X0306 4 2017-02-15 0 0001688941 Foundation Building Materials, Inc. FBM 0001697567 Mendoza Ruben 2741 WALNUT AVE, SUITE 200 TUSTIN CA 92780 1 1 0 0 President and CEO Common Stock 2017-02-15 4 P 0 12500 14.00 A 12500 I See Footnote Common Stock 2017-02-15 4 P 0 21430 14.00 A 21430 I See Footnote Common Stock 2017-02-15 4 P 0 31400 14.00 A 31400 I See Footnote The shares were purchased in the company's initial public offering pursuant to a directed share program. Held by the Ruben and Heidi Mendoza Irrevocable Trust dated Jan. 1, 2007. Mr. Mendoza disclaims beneficial ownership of any securities in which he does not have a pecuniary interest. Held by Milosophia LLC. Mr. Mendoza disclaims beneficial ownership of any securities in which he does not have a pecuniary interest. Held by The Mendoza Family Trust dated June 3, 2003. /s/ Richard Tilley, Attorney-in-Fact 2017-02-17