X0306 4 2018-06-04 0 0001421461 Intrepid Potash, Inc. IPI 0001432452 WHYTE JAMES N C/O INTREPID POTASH, INC. 707 17TH STREET, SUITE 4200 DENVER CO 80202 0 1 0 0 EVP Common Stock 2018-06-04 4 F 0 13449 4.41 D 344711 D Common Stock 2018-06-05 4 M 0 12557 2.29 A 357268 D Common Stock 2018-06-05 4 S 0 45948 4.52 D 311320 D Employee Stock Option (option to purchase) 2.29 2018-06-05 4 M 0 12557 0 D 2018-06-04 2027-06-03 Common Stock 12557 25114 D The disposition represents the withholding of shares for income taxes due upon the vesting of previously awarded restricted stock. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 14, 2017. The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $4.37 to $4.58, 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 sold at each separate price within the range set forth in this Form 4. /s/ Margaret E. McCandless, as attorney-in-fact 2018-06-06