York Harbour Updates Option Agreement Timeline with Firetail and Announces Proposed Name Change

Rhea-AI Summary

York Harbour Metals (OTC: YORKF) announced two corporate updates dated October 6, 2025. First, under the June 5, 2024 option agreement with Firetail Resources (now Mammoth Minerals), Mammoth was required to pay AUD $100,000 and issue 25,000,000 ordinary sharesNovember 30, 2025 for that milestone payment. Subsequent milestone deadlines remain unchanged.

Second, the board approved a proposed name change to Naughty Ventures Corp. The company expects its common shares to trade under the new name and symbol BAD on or about October 14, 2025. CSE will publish the effective date and the new CUSIP and ISIN in a bulletin.

Positive

• Milestone payment extended to November 30, 2025
• Milestone includes AUD $100,000 cash payment
• Milestone includes issuance of 25,000,000 Mammoth shares
• Planned rebrand to Naughty Ventures Corp. with symbol BAD on Oct 14, 2025

Negative

• Extension delays receipt of AUD $100,000 past original Oct 5, 2025 deadline
• Issuance of 25,000,000 shares could dilute stakeholder holdings

Vancouver, British Columbia--(Newsfile Corp. - October 6, 2025) - YORK HARBOUR METALS INC. (CSE: YORK) (OTC Pink: YORKF) (Frankfurt: 5DE) (the "Company" or "York Harbour") announces that, pursuant to the option agreement dated June 5, 2024 (the "Option Agreement") with Firetail Resources Limited, ("Firetail"), now known as Mammoth Minerals Limited ("Mammoth"), the Company has granted an extension to Mammoth for the deadline of the next milestone payment. Pursuant to the Option Agreement, Mammoth was obligated to pay $100,000 (AUD) and issue 25,000,000 ordinary shares of Mammoth (the "Shares") to the Company on or prior to October 5, 2025. The Company has granted Mammoth an extension to November 30, 2025 to make the $100,000 cash payment and issue the Shares. The subsequent milestone deadlines under the Option Agreement remain unchanged as of the date hereof.

For more information about the Option Agreement and the milestone payments thereunder, please refer to the Company's news release dated June 6, 2024 as filed on SEDAR+.

Name Change to NAUGHTY VENTURES CORP.

The Company is pleased to announce that the directors have approved a name change for the Company to Naughty Ventures Corp.

"Renaming York Harbor Metals Inc. to Naughty Ventures Corp. marks our evolution from a single-asset explorer to a Company pursuing multiple, high-conviction ventures. As our opportunity set expands beyond our Newfoundland copper assets, this name better reflects who we are and where we're going. And as the Company's largest shareholder, I'm putting my name on the door to underscore my alignment and accountability to all stakeholders," stated Blair Naughty, CEO.

The Canadian Securities Exchange ("CSE") will publish a bulletin announcing the effective date of the name and symbol change. It is anticipated that the common shares of the Company will commence trading under its new name, Naughty Ventures Corp., on or about Tuesday, October 14th, 2025 under the trading symbol "BAD". The CUSIP and ISIN numbers will be announced in the CSE bulletin on the effective date

About York Harbour Metals

York Harbour Metals Inc. is a Canadian exploration company focused on acquiring, developing, and strategically positioning mineral assets with strong value potential, as well as investing in private and public companies with significant potential, exceptional management and/or high growth potential that may be strategically positioned in the global market. The Company maintains a significant equity position in Firetail Resources Limited, holds an interest in the York Harbour copper-zinc project, and owns the high-grade Bottom Brook rare earth property. In addition, the Company's investment activities may include the assembly of mineral exploration properties for resale or option, making investments in other mineral exploration companies, making investments in other public and private non-mineral focused companies, pursuing other promising investment opportunities and making other strategic investments.

On Behalf of the Board of Directors,

"Blair Naughty"
CEO and President

For further details, please contact:

Email: info@yorkharbourmetals.com
Phone: 604-346-7613 or 604-341-6870 Office
Website: https://yorkharbourmetals.com/

Forward-Looking Statements:

This news release contains "forward-looking information" and "forward-looking statements" (collectively, "forward-looking statements") within the meaning of applicable Canadian securities laws. These statements relate to future events or the Company's future performance and reflect current expectations or beliefs regarding future events, including but not limited to statements regarding the completion of upcoming milestone payments under the Option Agreement and the timing for such payments.

Forward-looking statements are inherently subject to known and unknown risks, uncertainties, and assumptions that may cause actual results, performance, or achievements to differ materially from those expressed or implied by such forward-looking statements. These risks and uncertainties include but are not limited to: market conditions, volatility in commodity prices, exploration and development risks, regulatory or political developments, availability of financing for Firetail, and changes in project parameters as plans continue to be refined. Ongoing labour shortages, inflationary pressures, high interest rates, the global financial climate and ongoing international conflicts are some additional factors that are affecting current economic conditions and increasing economic uncertainty, which may impact the Company's and Firetail's operating performance, financial position, and future prospects. Collectively, the potential impacts of this economic environment pose risks that are currently indescribable and immeasurable. No assurance can be given that any of the events anticipated by the forward-looking statements will occur or, if they do occur, what benefits the Company will obtain from them.

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. The Company does not undertake any obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, except as required by applicable law. Accordingly, readers should not place undue reliance on forward-looking statements.

Neither the Canadian Securities Exchange nor the Market Regulator (as that term is defined in the policies of the Canadian Securities Exchange) accepts responsibility for the adequacy or accuracy of this release.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/269344

FAQ

What new deadline did York Harbour (OTC: YORKF) set for Mammoth's milestone payment?

York Harbour granted Mammoth an extension to November 30, 2025 to make the cash payment and issue the shares.

How much must Mammoth pay and issue to York Harbour under the milestone due Oct 5, 2025?

The milestone requires AUD $100,000 cash and 25,000,000 ordinary Mammoth shares.

When will York Harbour shares begin trading as Naughty Ventures Corp. (BAD)?

The company anticipates trading under the new name and symbol BAD on or about October 14, 2025.

Where will investors find the new CUSIP and ISIN for Naughty Ventures Corp. (BAD)?

The CSE will publish the CUSIP and ISIN in a bulletin on the effective date of the name change.

Do other milestone deadlines under the option agreement change after the extension?

No. The announcement says subsequent milestone deadlines remain unchanged as of the date of the release.