Mr. Gabriel Rubacha reports

NOA LITHIUM RECEIVES BIANNUAL RENEWAL TO RIO GRANDE'S EXPLORATION PERMITS AND PROVIDES CORPORATE UPDATES

NOA Lithium Brines Inc. has received its expected biannual renewal for the environmental and social impact report for the advanced exploration permits for its flagship Rio Grande project in Salta province, Argentina. This renewal supports the company's planned 2026 field activities as NOA advances the project toward its preliminary feasibility study work program.

NOA is also pleased to provide an update, to its previously announced mobilization plans and that mobilization activities remain on schedule, and water well drilling is expected to commence in May, 2026.

Property acquisition

NOA entered into an option to purchase agreement dated May 5, 2025, with an arm's-length party for the following properties located south of the company's Rio Grande project known as Archibarca II and Archibarca III, totalling 3,236 hectares, for aggregate consideration of $800,000 (U.S.) comprising $550,000 (U.S.) in cash and $250,000 (U.S.) in common shares at the market price of the company's common shares at the time of issuance subject to a minimum of 30 cents per common share (in compliance with TSX Venture Exchange policies), which pursuant to the terms of the option agreement this consideration is to be paid over a period of 24 months from the date of the option agreement. To date, cash payments of $150,000 (U.S.) have been paid to the vendor and 226,850 common shares at a price of 30 cents per common share have been issued. The objective of the option agreement for the properties is to evaluate potential additional water sources for the project and provide optionality for future development planning. No net smelter royalty exist on the properties and no finders' fees were paid for this transaction. The option agreement and its terms are subject to approval by the TSX Venture Exchange.

Consulting agreement

The company has entered into a consulting agreement with Tricone Inc., an arm's-length party, dated May 1, 2026, whereby Tricone will provide consulting services related to exploration, drilling, geology and hydrogeology in connection with the company's projects and/or potential opportunities to be evaluated by the company. Under the consulting agreement, Tricone will receive total fee of $700,000 (U.S.) over a term of nine months, payable through the issuance of common shares of the company as services are completed. The shares will be issued monthly at a deemed issue price per share equal to closing price of the common shares on the TSX Venture Exchange on the date prior to the date of issuance, provided that the deemed issue price shall not be less than 25 cents per share. As agreed to by the parties, the shares will be issued monthly and are subject to contractual resale restrictions until the date that is 18 months from the date of the consulting agreement. The issuance of the shares remains subject to applicable regulatory approvals, including approval of the TSX Venture Exchange.

About NOA Lithium Brines Inc.

NOA is a lithium exploration and development company formed to acquire assets with significant resource potential. All NOA's projects are located in the heart of the prolific Lithium Triangle, in the mining-friendly province of Salta, Argentina, near a multitude of projects and operations owned by some of the largest players in the lithium industry. NOA has rapidly consolidated one of the largest lithium brine claim portfolios in this region that is not owned by a producing company, with key positions on three prospective salars, being Rio Grande, Arizaro and Salinas Grandes, and totalling over 140,000 hectares.

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