SoftVest Advisors, LLC Sample Contracts

JOINT FILING AGREEMENT
Joint Filing Agreement • February 14th, 2022 • SoftVest Advisors, LLC • Oil royalty traders

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Units of Beneficial Interest of Permian Basin Royalty Trust and further agree to the filing of this agreement as an Exhibit thereto. In addition, each party to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement on Schedule 13G.

JOINT FILING AGREEMENT
Joint Filing Agreement • July 8th, 2025 • SoftVest Advisors, LLC • Oil royalty traders

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Units of Beneficial Interest of Permian Basin Royalty Trust and further agree to the filing of this agreement as an Exhibit thereto. In addition, each party to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement on Schedule 13G.

Coordination and Confidentiality Agreement [See attached] COORDINATION AND CONFIDENTIALITY AGREEMENT
Coordination and Confidentiality Agreement • October 10th, 2025 • SoftVest Advisors, LLC • Oil royalty traders

This Coordination and Confidentiality Agreement (this “Agreement”), dated as of October 9, 2025, is by and between SoftVest Advisors, LLC (together with its affiliates, “SoftVest”) and Argent Trust Company, as trustee (the “Trustee”) for The Permian Basin Royalty Trust (the “Trust”).

JOINT FILING AGREEMENT
Joint Filing Agreement • February 13th, 2025 • SoftVest Advisors, LLC • Oil royalty traders

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Units of Beneficial Interest of Permian Basin Royalty Trust and further agree to the filing of this agreement as an Exhibit thereto. In addition, each party to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement on Schedule 13G.

JOINT FILING AGREEMENT
Joint Filing Agreement • February 14th, 2024 • SoftVest Advisors, LLC • Oil royalty traders

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Units of Beneficial Interest of Permian Basin Royalty Trust and further agree to the filing of this agreement as an Exhibit thereto. In addition, each party to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement on Schedule 13G.

JOINT FILING AGREEMENT
Joint Filing Agreement • February 13th, 2023 • SoftVest Advisors, LLC • Oil royalty traders

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Units of Beneficial Interest of Permian Basin Royalty Trust and further agree to the filing of this agreement as an Exhibit thereto. In addition, each party to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement on Schedule 13G.

JOINT FILING AGREEMENT
Joint Filing Agreement • October 10th, 2025 • SoftVest Advisors, LLC • Oil royalty traders

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained herein or therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.