MESABI TRUST

**(a)**General Development of Business.

The information under the headings “Trustees’ Discussion and Analysis of Financial Condition and Results of Operations,” “The Trust Estate,” “Leasehold Royalties,” and “Land Trust and Fee Royalties” in the Annual Report of the Trustees of Mesabi Trust for the fiscal year ended January 31, 2026, filed as Exhibit 13 to this Form 10-K (the “Annual Report”) is incorporated herein by reference.

**(b)**Financial Information About Segments.

Substantially all of the revenue, operating profits and assets of Mesabi Trust (“Mesabi Trust” or the “Trust”) relate to one business segment—iron ore mining.

**(c)**Narrative Description of Business.

The information under the headings “Overview,” “Overview of the Trust’s Royalty Structure,” “Trustees’ Discussion and Analysis of Financial Condition and Results of Operations,” “The Trust Estate,” “Leasehold Royalties” and “Description of the Mineral Properties” in the Annual Report is incorporated herein by reference.

**(d)**Financial Information About Geographical Areas.

All of the Trust’s revenues are derived from the assets of the Trust, information of which is set forth under the headings “The Trust Estate” and “Description of the Mineral Properties” of the Annual Report. The information under the heading “Selected Financial Data” in the Annual Report is incorporated herein by reference.

**(e)**Availability of Reports on Registrant’s Website.

The information on the cover page of the Annual Report is incorporated herein by reference.