X0306 4 2018-09-28 0 0001723866 Select Interior Concepts, Inc. SIC 0001326954 MCALEENAN DONALD F 4900 EAST HUNTER AVENUE ANAHEIM CA 92807 1 0 0 0 Class A Common Stock 2018-09-28 4 P 0 2000 10.72 A 2000 D Class A Common Stock 2083 D This price reported in column 4 is the weighted average price of the 2,000 shares purchased by the Reporting Person on September 28, 2018 in multiple transactions in the open market at prices ranging from $10.70 to $10.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the price range set forth in this footnote 1 to this Form 4. These shares of Class A Common Stock were granted by the Issuer to the Reporting Person under the Issuer's 2017 Incentive Compensation Plan on November 22, 2017, and will vest in equal installments annually over three years so long as the Reporting Person continues to serve on the Board through the applicable vesting date. /s/ Nadeem Moiz, attorney-n-fact 2018-10-01