United States Lime & Minerals (USLM) investor relations material

Executive summary

• The annual meeting is scheduled for May 1, 2026, with shareholders voting on director elections and executive compensation.

• Shareholders of record as of March 13, 2026, are eligible to vote, with 28,670,056 shares outstanding.

• Inberdon Enterprises Ltd. holds 61.58% of shares, with all shares indirectly owned by George M. Doumet.

Voting matters and shareholder proposals

• Seven directors are nominated for election to serve until the next annual meeting.

• A non-binding advisory vote on executive compensation is included, with annual frequency based on prior shareholder preference.

• Shareholder proposals for the 2027 meeting must be received by November 27, 2026.

Board of directors and corporate governance

• The board consists of seven directors, with a majority deemed independent under Nasdaq rules.

• Board committees include audit, compensation, nominating and corporate governance, and executive committees.

• The roles of chairman and CEO are separated.

• The board meets at least six times annually, with all directors attending at least 75% of meetings in 2025.

• Diversity, experience, and integrity are considered in director nominations.