144 0001204973 XXXXXXXX LIVE 0000082020 UNITED STATES LIME & MINERALS INC 000-04197 5429 LBJ FREEWAY SUITE 230 DALLAS TX 75240 972-991-8400 BYRNE TIMOTHY W Officer Director COMMON RBC CAPITAL MARKETS LLC

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27425 3319642.00 28639539 09/03/2025 NASDAQ COMMON 05/07/2024 OPTION EXERCISE ISSUER N 27425 05/07/2024 N/A Y 09/03/2025 POA / JEFFREY EISCHENS