X0306 4 2017-03-13 0 0000082020 UNITED STATES LIME & MINERALS INC USLM 0001235058 HUGHES BILL 5429 LBJ FREEWAY SUITE 230 DALLAS TX 75240 1 0 0 0 USLM Common Stock 2017-03-13 4 S 0 800 76.55 D 23288 D USLM Common Stock 2017-03-15 4 S 0 600 77 D 22688 D The price reported in Column 4 is a weighted average price. These shares were sold at prices ranging from $76.50 to $76.70, inclusively. The reporting person undertakes to provide United States Lime & Minerals, Inc., any shareholder of United States Lime & Minerals, Inc and the staff of the Securities and Exchange Commission, upon request, all information regarding the number of shares sold at each separate price with the range set forth in this footnote. M Michael Owens (POA) 2017-03-15