X0306 4 2016-12-14 0 0001358762 REATA PHARMACEUTICALS INC RETA 0001662321 Bass James Edward 2801 GATEWAY DRIVE SUITE 150 IRVING TX 75063 1 0 0 0 Class A common stock 2016-12-14 4 P 0 5000 21.76 A 30585 D Class A common stock 3455 I By Bass Family Trust A Class A common stock 1448 I By Bass Trust FBO James E. Bass The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions on one day at prices ranging from $21.73 to $21.96, 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, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. /s/ Michael D. Wortley, attorney-in-fact 2016-12-15