X0306 4 2017-11-20 0 0001421461 Intrepid Potash, Inc. IPI 0001432504 Jornayvaz Robert P III C/O INTREPID POTASH, INC. 707 17TH STREET, SUITE 4200 DENVER CO 80202 1 1 1 0 Exec. Chair, President & CEO Common Stock 1206650 D Common Stock 2017-11-20 4 P 0 5000 3.546 A 18130422 I By Intrepid Production Corporation The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.54 to $3.55, 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. Mr. Jornayvaz is the sole stockholder, sole director, and President of Intrepid Production Corporation. /s/ Margaret E. McCandless, as attorney-in-fact 2017-11-20