Exhibit A

JOINT FILING AGREEMENT

The undersigned agree that this Schedule 13G Amendment No. 3 dated August 14, 2025 relating to the Units of Beneficial Interest, no par value, of Mesabi Trust shall be filed on behalf of the undersigned.

VALUEWORKS LLC

By: /s/ Charles Lemonides

Name: Charles Lemonides

Title:   Managing Member

CHARLES LEMONIDES

By: /s/ Charles Lemonides