United States Lime & Minerals released Q3 2026 results.

ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On October 30, 2026, United States Lime & Minerals, Inc. (the "Company") issued a News Release announcing the financial results for the quarter and nine-months ended September 30, 2026.¹ A copy of the News Release is attached hereto as Exhibit 99.1² and incorporated by reference herein in response to this Item 2.02.

ITEM 9.01.^{6 6}FINANCIAL STATEMENTS AND EXHIBITS.⁶

(d) Exhibits

The Exhibit Index set forth below is incorporated by reference in response to this Item.

EXHIBIT INDEX

Exhibit

Number

Exhibit

99.1

News Release of United States Lime & Minerals, Inc. dated October 30, 2026.

104⁶

Cover Page Interactive Data File (formatted as Inline XBRL).⁶

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, United States Lime & Minerals, Inc. has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: October 30, 2026

UNITED STATES LIME & MINERALS, INC.

By:

/s/ Michael L. Wiedemer

Michael L. Wiedemer, Vice President and Chief Financial Officer

3

UNITED STATES LIME & MINERALS, INC. — NEWS RELEASE FOR IMMEDIATE RELEASE

Contact: Timothy W. Byrne

(972) 991-8400

UNITED STATES LIME & MINERALS REPORTS THIRD QUARTER 2026 RESULTS AND DECLARES REGULAR QUARTERLY CASH DIVIDEND⁵

Dallas, Texas, October 30, 2026 - United States Lime & Minerals, Inc. (NASDAQ: USLM) today reported third quarter 2026 results: The Company's revenues in the third quarter 2026 were $106.2 million, compared to $102.0 million in the third quarter 2025, an increase of $4.2 million, or 4.1%.³ For the first nine months 2026, the Company's revenues were $293.1 million, compared to $284.8 million in the first nine months 2025, an increase of $8.4 million, or 2.9%.⁴ The increase in revenues in the third quarter 2026, compared to the third quarter 2025, resulted primarily from modest increases in both average sales prices and sales volumes. Increased sales volumes were principally due to increased demand from the Company's steel customers, partially offset by reduced demand from the Company's construction customers. The increase in revenues in the first nine months 2026, compared to the first nine months 2025, resulted primarily from modest increases in both average sales prices and sales volumes. Increased sales volumes