Miata Reports 94.6% Average Gold Recovery in Initial Metallurgical Test Results from Jons Trend at Sela Creek, Suriname

VANCOUVER, British Columbia, Sept. 21, 2026 (GLOBE NEWSWIRE) — Miata Metals Corp. (TSXV: MMET; FSE: 8NQ; OTCQX: MMETF) (“Miata” or the “Company”) is pleased to announce metallurgical test results for samples collected from the Jons Trend corridor within the Company’s Sela Creek Gold Project in Suriname (“Sela Creek” or the “Project”).

Testing of four composite samples from drill core returned gold recoveries ranging from 91.8% to 98.5%, averaging 94.6%. The Company also announces that its sample preparation laboratory at the Sela Creek exploration camp is now operating and is ramping up to prepare all samples within the next month. Furthermore, founding director James Reid will assume the role of Executive Chair, effective October 1, 2026.

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“These initial positive metallurgical results are highly encouraging for our main discovery zone Jons Trend. Recoveries averaging 94.6% and reaching up to 98.5% from four drill core composites using a proven, reliable and conventional approach to gold extraction, is a significant de-risking of the Sela Creek project. As drilling continues to expand Jons Trend, we continue to increase our understanding of the mineralization and how to ultimately recover the gold.

“We are also pleased to appoint James Reid as Executive Chair. James has helped guide Miata from its founding through the acquisition of our Suriname assets and the financings that have supported our progress. His expanded role strengthens our ability to align corporate strategy and capital allocation with the opportunities emerging at Sela Creek.”

“I am excited to take on an expanded role as Miata enters its next stage of growth,” said Mr. Reid. “We have built a strong foundation at Sela Creek, and I look forward to working alongside Jaap, the Board and our team to build on that momentum and pursue opportunities that create long-term value for shareholders.”

Initial metallurgical results yielded recoveries of up to 98.5% gold with an average recovery of 94.6%. The Company tested four composite drill core samples from Jons Trend. The composite samples contained sections of core from multiple drill holes and spanned a range between high- and low-grade gold within zones of shear veining and extensional veining. The core samples reflect the spatial variability as well as the variability in mineralization types, mineral assemblages and grade in Jons Trend. The submitted composite sample had lab grades of 8.22 g/t Au, 0.93 g/t Au, 2.03 g/t Au and 1.34 g/t Au. Gravity recoveries are slightly higher for high-grade extensional vein dominated gold occurrences, which likely contain a larger proportion of coarse-grained gold.