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December 19, 2025 - Avventura Announces Resignation of Mark Lotz from the Board

Management Changes

AVVENTURA RESOURCES LTD. ANNOUNCES RESIGNATION OF MARK LOTZ

FROM BOARD OF DIRECTORS

Vancouver, British Columbia, December 19th, 2025: Avventura Resources Ltd. ("Avventura"

or the "Company") (CSE: AA), a Canadian mineral exploration company, announces that Mr.

Mark Lotz has resigned from the Company's Board of Directors, effective immediately.

Mr. Lotz is stepping down to focus on his new role as Chief Executive Officer of World Copper

Ltd. The Company fully supports Mr. Lotz in this important career opportunity.

“I want to personally thank Mark for his dedication, professionalism, and steady guidance during

his time on Avventura’s board,” said Sean Flynn, Chief Executive Officer of Avventura

Resources Ltd. “Mark has been a pleasure to work with, and on behalf of our entire team, I wish

him great success in his new role as CEO of World Copper Ltd.”

Avventura expresses its sincere appreciation to Mr. Lotz for his service and contributions to the

Company and wishes him continued success in all future endeavours.

About Avventura Resources Ltd.

Avventura Resources Ltd. is a Canadian mineral exploration company focused on the acquisition

and development of high-potential exploration projects. The Company is committed to

responsible resource development and creating long-term value for its shareholders.

On Behalf of Avventura Resouces Ltd.

Sean Flynn ‒ CEO

Tel: 250-857-2237

Email: [email protected]

Cautionary Note Regarding Forward-Looking Information

This news release includes certain forward-looking statements and forward-looking information

(collectively, "forward-looking statements") within the meaning of applicable Canadian securities

legislation. All statements, other than statements of historical fact, included herein including,

without limitation, statements regarding the anticipated business plans and timing of future

activities of the Company, are forward-looking statements. Although the Company believes that

such statements are reasonable, it can give no assurance that such expectations will prove to be

correct. Often, but not always, forward looking information can be identified by words such as

"pro forma", "plans", "expects", "will", "may", "should", "budget", "scheduled", "estimates",

"forecasts", "intends", "anticipates", "believes", "potential" or variations of such words including

negative variations thereof, and phrases that refer to certain actions events or results that may,

could, would, might or will occur or be taken or achieved. Forward-looking statements involve

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known and unknown risks, uncertainties and other factors which may cause the actual results,

performance or achievements of the Company to differ materially from any future results,

performance or achievements expressed or implied by the forward-looking statements. Such

risks and other factors include, among others, statements as to the anticipated business plans

and timing of future activities of the Company, the ability of the Company to obtain sufficient

financing to fund its business activities and plans, delays in obtaining governmental and

regulatory approvals (including of the Canadian Securities Exchange), permits or financing,

changes in laws, regulations and policies affecting mining operations, currency fluctuations, title

disputes or claims, environmental issues and liabilities, changes in laws, regulations and

policies affecting mining operations, title disputes, the inability of the Company to obtain any

necessary permits, consents, approvals or authorizations, the timing and possible outcome of any

pending litigation, environmental issues and liabilities, and risks related to joint venture

operations, and other risks and uncertainties disclosed in the Company's continuous disclosure

documents. All of the Company's Canadian public disclosure filings may be accessed on the

SEDAR+ website at www.sedarplus.ca and readers are urged to review these materials.

Readers are cautioned not to place undue reliance on forward-looking statements. The

Company undertakes no obligation to update any of the forward-looking statements in this

presentation or incorporated by reference herein, except as otherwise required by law.