X0306 4 2020-11-24 0001307954 Huntsman CORP HUN 0001520181 Beckerle Mary C 10003 WOODLOCH FOREST DRIVE THE WOODLANDS TX 77380 1 Common Stock 2020-11-24 4 S 0 15251 26.174 D 2000 D The price reported in Column 4 of Line 1 with respect to the 15,251 shares sold on November 24, 2020 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.12 to $26.235. The Reporting Person has provided to the Issuer, and undertakes to provide to 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 Footnote (1) to this Form 4. The shares were sold by the reporting person in part to facilitate charitable contributions. /s/ Fan (Frank) Wu, by Power of Attorney 2020-11-27