Saguenay, Quebec – November 3, 2025 – First Phosphate Corp. (“First Phosphate” or the “Company”) (CSE: PHOS) (OTCQX: FRSPF) (FSE: KD0) is pleased to announce that its common shares have now been listed for trading on the Tradegate Exchange (“Tradegate”) in Germany (TDG: KD0).

This expanded access on Tradegate will allow European investors to trade in the shares of First Phosphate directly within EU market hours as well as during extended trading hours across all major European time zones, improving convenience and exposure for the Company’s shares internationally.

The Tradegate listing complements First Phosphate’s existing listings on the Canadian Securities Exchange (PHOS), the OTCQX Best Market in the United States (FRSPF), and the Frankfurt Stock Exchange (KD0).

Tradegate’s focus on international issuers enables broader market participation for investors interested in aligning with First Phosphate’s vision of onshoring the lithium iron phosphate (“LFP”) battery supply chain in North America and Europe using North American critical minerals.

First Phosphate has recently produced commercial-grade LFP 18650 battery cells using North American critical minerals.
https://firstphosphate.com/north-american-lfp-battery-cells

The high-purity phosphoric acid and iron powder for these LFP 18650 battery cells were produced using rare igneous anorthosite rock extracted from the First Phosphate Bégin-Lamarche property in the Saguenay–Lac-Saint-Jean region of Quebec, Canada.

About Tradegate Exchange
Tradegate, based in Berlin, is Europe’s largest stock exchange specialized in the execution of private investor orders. Tradegate emerged from the over-the-counter trading platform Tradegate, which quickly became the most popular trading venue for private investors since its founding in 2000. On January 4, 2010, Tradegate began trading as the first newly established stock exchange in Germany in more than 150 years. The exchange is operated by Tradegate Exchange GmbH (also based in Berlin), which is owned 42.84% by Deutsche Börse AG and 42.84% by Tradegate AG; the remaining 14.32% of the GmbH is held by Verein Berliner Börse e.V.

About First Phosphate
First Phosphate (CSE: PHOS) (OTCQB: FRSPF) (TDG: KD0) (FSE: KD0) is a mineral development and cleantech company dedicated to building and onshoring a vertically integrated mine-to-market LFP battery supply chain for North America. Target markets include energy storage, data centers, robotics, mobility, and national security. First Phosphate’s flagship Bégin-Lamarche Property in Saguenay–Lac-Saint-Jean, Quebec, is one of North America’s rare igneous phosphate resources, yielding high-purity phosphate with minimal impurities.

For additional information, please contact:

Bennett Kurtz
CFO, CAO
bennett@firstphosphate.com
Tel: +1 (416) 200-0657

Investor Relations: investor@firstphosphate.com
Media Relations: media@firstphosphate.com
Website: www.FirstPhosphate.com

Follow First Phosphate:
X: https://x.com/FirstPhosphate
LinkedIn: https://www.linkedin.com/company/first-phosphate

Forward-Looking Information and Cautionary Statement
This release includes certain statements that may be deemed “forward-looking information.” Any statement that discusses predictions, expectations, beliefs, plans, projections, objectives, assumptions, future events, or performance (often but not always using phrases such as “expects,” “anticipates,” “plans,” “estimates,” “believes,” or “intends,” or stating that certain actions, events, or results “may,” “could,” “would,” “might,” or “will” be taken) are not statements of historical fact and may be forward-looking information.In particular, this press release contains forward-looking information relating to, among other things, the Company’s plans for vertical integration into North American supply chains and the potential benefits of the listing of its common shares on Tradegate, including broader market participation for investors interested in aligning with First Phosphate’s vision of onshoring the LFP battery supply chain in North America and Europe using North American critical minerals.Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance, and actual results may differ materially. Factors that could cause actual results to differ include exploration successes, continued availability of capital, and general economic conditions.Investors are cautioned not to place undue reliance on forward-looking information. The Company does not assume any obligation to update or revise such statements, except as required by law. All forward-looking information contained in this release is qualified by these cautionary statements.