Mr. Blair Naughty reports

YORK HARBOUR UPDATES OPTION AGREEMENT TIMELINE WITH FIRETAIL AND ANNOUNCES PROPOSED NAME CHANGE

York Harbour Metals Inc., pursuant to the option agreement dated June 5, 2024, with Firetail Resources Ltd., now known as Mammoth Minerals Ltd., 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 (Australian) and issue 25 million ordinary shares of Mammoth to the company on or prior to Oct. 5, 2025. The company has granted Mammoth an extension to Nov. 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.

"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, chief executive officer.

The Canadian Securities Exchange 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, on or about Tuesday, Oct. 14, 2025, under the trading symbol BAD. The Cusip number and ISIN will be announced in the CSE bulletin on the effective date.

About York Harbour Metals Inc.

York Harbour Metals 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 Ltd., 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.

We seek Safe Harbor.