Deep Sea Minerals Corp. Clarifies Disclosure at the Request of the BCSC

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Vancouver, BC, March 17, 2026 (GLOBE NEWSWIRE) — Deep Sea Minerals Corp. (CSE: SEAS) (OTCQB: DSEAF) (FSE: X45) (“Deep Sea” or the “Company”) announces that, as a result of a review by the British Columbia Securities Commission (“BCSC”), we are issuing the following press release related to our disclosure and promotional activities.

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The promotions on www.smallcapinvestments.com: (i) entitled “The New Cold War: China Just Weaponized the Periodic Table & Here’s How America Will Strike Back” and dated February 25, 2026; (ii) entitled “TMC Surged 450%. This $26M Company Targets the Same Seabed.” and dated February 23, 2026; (iii) entitled  “The 90-Day Window: Why the Race to Claim the Ocean Floor is Already Underway” and dated February 23, 2026; (iv) entitled “Direct vs. Depth: Why the Richest Mineral Deposits on Earth Sit 4,000 Meters Underwater” and dated February 23, 2026; and (v) entitled “The $12 Billion Signal: Washington Just Bet on Critical Minerals Independence” and dated February 23, 2026 (collectively, the “Promotions”), were issued on behalf of the Company through the Company’s engagement of Capital Gain Media Inc. (“Capital Gain”), which was disclosed in the Company’s news release of February 24, 2026.

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Following a review by the BCSC and, at its request, the Company has: (i) instructed Capital Gain to remove the Promotions; and (ii) initiated a review of the Company’s website, corporate presentations, social media pages and all investor relations materials to ensure that they contain balanced disclosure.

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The Promotions and the Company’s Q1 2026 Corporate Presentation dated February 11, 2026 (the “Corporate Presentation”) compared the Company to other companies that currently hold patents or concessions, and the Company would like to caution investors that these statements or comparisons should not be relied on because the Company has not yet secured any mineral rights and, the Company does not own and does not currently intend to own proprietary subsea mining technology or specialized marine assets. Furthermore, if the Company acquires mineral rights, achieving commercial operations, if ever achieved, will require significant time and capital expenditures.

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The Promotions also contain statements that may have overstated the Company’s growth potential and the certainty of the Company’s trajectory, omitting underlying assumptions and risks. The Company wishes to clarify that it intends to use the proceeds of its recent private placement financing as previously disclosed in its news release of March 10, 2026. For further information regarding the risks and assumptions relating to the Company and its business, please see the Company’s Canadian Securities Exchange Form 2A – Listing Statement dated January 19, 2026 (the “Listing Statement”), a copy of which is available under the Company’s profile at www.sedarplus.ca and, in particular, the section entitled “Risk Factors” therein.

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The Company acknowledges its responsibility and commitment to review and approve all promotional materials issued on its behalf going forward.

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ABOUT DEEP SEA MINERALS CORP.

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Deep Sea Minerals Corp. is a subsea mineral exploration and development company focused on evaluating opportunities to support the future supply of critical minerals through the acquisition, exploration, and development of deep-sea mineral assets.

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The Company’s strategy is centered on identifying jurisdictions and geological settings with potential exposure to polymetallic nodule systems, which are recognized for containing combinations of metals that may be relevant to defense, industrial manufacturing, clean energy infrastructure, advanced electronics, and artificial intelligence-related supply chains. These seabed resources represent a largely undeveloped component of the global mineral supply base and are the subject of increasing policy, scientific, and regulatory attention worldwide.

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As part of this process, the Company has commenced early-stage engagement with selected governments and regulatory bodies in the Pacific Ocean region to assess potential pathways for future exploration initiatives, subject to applicable international, national, and environmental frameworks.