0001062993-26-000467 Sample Contracts

ADDENDUM #10 TO REAL ESTATE OPTION AGREEMENT
Real Estate Option Agreement • January 29th, 2026 • Frontieras North America • Bituminous coal & lignite surface mining

THIS ADDENDUM #10 ("Addendum 10") dated December 13, 2025 amends and updates the Real Estate Option Agreement (the "Agreement") by and between BJ BUILDERS, INC., a West Virginia corporation ("Seller") and FRONTIERAS NORTH AMERICA, a Wyoming corporation, and/or assignee ("Purchaser") originally dated March 10, 2022, as previously amended by Addendums 1-9. Terms not defined herein shall have the meaning given them in the Agreement or the Addendums.