Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 18, 2024 Mesa Royalty Trust (Exact name of registrant as specified in its charter) Texas 1-7884 76-6284806 (State or other jurisdiction of (Commission (IRS Employer UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT incorporation ) File Number) Identification No.) The Bank of New York Mellon Trust Company, N.A., Trustee Global Corporate Tr ...

Financial Performance - Royalty income for Q1 2024 was $183,657, a significant decrease from $845,417 in Q1 2023, primarily due to lower pricing and net production of natural gas, natural gas liquids, and oil [67]. - Distributable income for Q1 2024 was $122,029, translating to $0.0655 per unit, compared to $724,430 or $0.3887 per unit in Q1 2023 [67]. - Average sales price for natural gas was $2.16 per Mcf in Q1 2024, down from $21.87 per Mcf in Q1 2023, while oil and condensate prices were $67.01 per Bbl in Q1 2024 compared to $73.15 per Bbl in Q1 2023 [64]. - Monthly distributions per unit for January 2024 were $0.0252, February $0.0087, and March $0.0278, totaling $0.0617 for Q1 2024, compared to $0.3697 for Q1 2023 [77]. Income and Expenses - The Trust's interest income increased to $24,228 in Q1 2024 from $20,087 in Q1 2023, reflecting a 10.65% growth [71]. - General and administrative expenses decreased to $46,192 in Q1 2024 from $66,074 in Q1 2023, indicating improved cost management [72]. Reserves and Production - The Contingent Reserve increased to $1,762,256 as of March 31, 2024, up from $1,407,705 as of March 31, 2023, with plans to reach $2.0 million [75]. - Natural gas and natural gas liquids production from the Hugoton Royalty Properties accounted for none of the Trust's royalty income in Q1 2024 or 2023 [79]. Market Conditions and Risks - The Trust's royalty income is heavily influenced by commodity prices, which are subject to volatility due to geopolitical risks and market conditions [62]. - High inflation and interest rates, along with supply chain disruptions, are expected to adversely impact royalty income in 2024 [78]. Governance and Compliance - The Trust has not identified any changes in internal control over financial reporting that materially affect its operations during the last fiscal quarter [109]. - There are no pending legal proceedings involving the Trust, although it may be subject to ordinary course litigation related to Royalty Properties [112]. - The Trustee relies on information from Working Interest Owners regarding projected production and reserve information, which may impact future Royalty income [107]. - No officers or employees of the Trustee adopted or modified any Rule 10b5-1 trading arrangements during the three months ended March 31, 2024 [114]. - The Trust's risk factors remain unchanged during the quarter ended March 31, 2024 [113].

(Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 Or TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-7884 Mesa Royalty Trust (Exact name of registrant as specified in its charter) | Texas | 76-6284806 | | --- | --- | ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File Number: 1-7884 MESA ROYALTY TRUST (Exact name of registrant as specified in its charter) Texas (State or other jurisdiction of Incorporation or Organ ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File Number: 1-7884 MESA ROYALTY TRUST (Exact name of registrant as specified in its charter) The Bank of New York Mellon Trust Company, N.A., Trustee 601 Trav ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Registrant's Telephone Number, Including Area Code) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File Number: 1-7884 MESA ROYALTY TRUST (Exact name of registrant as specified in its charter) Texas 76-62 ...

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-7884 Mesa Royalty Trust (Exact name of registrant as specified in its charter) | Texas | | --- | | (State or other j ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File Number: 1-7884 MESA ROYALTY TRUST (Exact name of registrant as specified in its charter) Texas (State or other jurisdiction of Incorporation or Organ ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File Number: 1-7884 MESA ROYALTY TRUST (Registrant's Telephone Number, Including Area Code) Securities registered pursuant to Section 12(b) of the Act: (Exact ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File Number: 1-7884 MESA ROYALTY TRUST (Exact name of registrant as specified in its charter) Texas (State or other jurisdiction of Incorporation or Organizat ...