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Matador Resources Co

For the period ended Jun 30, 2026. Filed Aug 7, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 7, 2026

MTDR$50.34+0.7%Stored close · as of Nov 10, 2026

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Item 1. Legal Proceedings

On July 22, 2025, the New Mexico Environment Department (“NMED”) issued a Notice of Violation to San Mateo alleging possible violations related to excess air emissions from San Mateo’s Black River cryogenic natural gas processing plant in Eddy County, New Mexico. San Mateo and the NMED are in settlement discussions with respect to this matter, and San Mateo expects that the settlement amount will be greater than $300,000 and less than $1,000,000. Accordingly, the Company does not have an expectation of material loss.

We are party to several legal proceedings encountered in the ordinary course of business. While the ultimate outcome and impact on us cannot be predicted with certainty, in the opinion of management, it is remote that these legal proceedings will have a material adverse impact on our financial condition, results of operations or cash flows.

Except as set forth above, during the three months ended June 30, 2026, there were no material changes regarding the legal proceedings we have disclosed in “Item 3. Legal Proceedings” in the Annual Report.

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