Mesa Royalty Trust Announces Trust Income for September 2025 (Form 8-K)

Mesa Royalty Trust Announces Trust Income for September 2025

MESA ROYALTY TRUST

The Bank of New York Mellon Trust Company, N.A., Trustee

NEWS RELEASE

FOR IMMEDIATE RELEASE

HOUSTON, TEXAS - September 16, 2025 - Mesa Royalty Trust (the "Trust") (NYSE symbol-MTR) announced today the Trust income distribution for the month of September 2025. Unitholders of record on September 30, 2025 will receive distributions amounting to $0.001723157 per unit, payable on October 31, 2025. The Trust received $20,029, all of which came from the New Mexico portion of the Trust's San Juan Basin properties operated by Hilcorp San Juan LP, an affiliate of Hilcorp Energy Company. No income was received in September 2025 from any other working interest owner. This month, after the Trust's payment of administrative expenses, income from the distributable net profits was $3,211.

The Trust was formed to own an overriding royalty interest of the net proceeds attributable to certain producing oil and gas properties located in the Hugoton field of Kansas and the San Juan Basin fields of New Mexico and Colorado. As described in the Trust's public filings, the amount of the monthly distributions is expected to fluctuate from month to month, depending on the proceeds, if any, received by the Trust as a result of production, oil and natural gas prices and the amount of the Trust's administrative expenses, among other factors. In addition, as further described in the Trust's most recent filing on Form 10-Q, distributions to unitholders are expected to be materially reduced, until the Trust increases its cash reserves to a total of $2.0 million in order to provide added liquidity.

Proceeds reported by the working interest owners for any month are not generally representative of net proceeds that will be received by the Trust in future periods. As further described in the Trust's Form 10-K and Form 10-Q filings, production and development costs for the royalty interest have resulted in substantial accumulated excess production costs, which will decrease Trust distributions, and in some periods may result in no Trust distributions. The amount of proceeds, if any, received or expected to be received by the Trust (and its ability to pay distributions to unitholders) has been and will continue to be directly affected, among other things, by volatility in the industry and revenues and expenses reported to the Trust by working interest owners. Any additional expenses and adjustments, among other things, will reduce proceeds to the Trust, which will reduce the amount of cash available for distribution to unitholders and in certain periods could result in no distributions to unitholders.