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Golden Goliath Resources Appoints Jonathan Cole as C hief Geologist Veteran Geologist with 40+ Years of Global Experien ce Joins Leadership Team

Management Changes

Corporate Office – Canada

Suite 618 - 688 West Hastings Street,

Vancouver, BC V6B-1P1, Canada

Email: [email protected]

Golden Goliath Resources Appoints Jonathan Cole as C hief Geologist

Veteran Geologist with 40+ Years of Global Experien ce Joins Leadership Team

Vancouver, BC – July 10 th , 2025 – Golden Goliath Resources Ltd. (TSX.V: GNG) is pleased to announce

the appointment of Mr. Jonathan Cole as Chief Geolo gist, effective immediately. Mr. Cole brings over f our

decades of international exploration and developmen t experience to the Company and will play a key rol e

in advancing Golden Goliath’s strategic initiatives .

Mr. Cole, a British-born geologist with a B.Sc. (Ho ns) in Geology, began his career at the Les Mines

Selbaie Copper/Gold Mine with BP Minerals in Canada . Since then, he has worked across the globe,

contributing to the discovery, delineation, and ear ly-stage development of numerous resource projects.

His experience spans the Middle East and North Afri ca (MENA), Australasia, the United Kingdom, Papua

New Guinea, and South America.

Mr. Cole has held senior technical, commercial, and managerial roles with notable organizations includ ing

BP, Ampolex Ltd, and Oil Search Ltd. His leadership and deep geological insight will significantly sup port

Golden Goliath’s mission to develop high-value mine ral assets and enhance shareholder value.

“We are delighted to welcome Jon to the Golden Goli ath team,” said Mr. Maki Petkovski, CEO of Golden

Goliath Resources. “His wealth of experience and gl obal perspective will be instrumental in leading ou r

new technical team as we advance exploration across our portfolio.”

About Golden Goliath Resources Ltd.

Golden Goliath Resources Ltd. is a junior explorati on company based in Vancouver, B.C., focused on the

exploration and development of precious metal prope rties in mining-friendly jurisdictions. The Company

is actively exploring its projects in Ontario's Red Lake District and other high-potential areas in Ca nada.

To find out more about Golden Goliath visit our webs ite at www.goldengoliath.com

FOR MORE INFORMATION CONTACT:

Golden Goliath Resources Ltd.

J. Paul Sorbara, M.Sc., Geology

Chairman

Phone: +1(604) 682-2950 Email: [email protected] m

Corporate Office – Canada

Suite 618 - 688 West Hastings Street,

Vancouver, BC V6B-1P1, Canada

Email: [email protected]

Cautionary and Forward-Looking Statements

This news release contains forward ‐looking statements and forward ‐looking information within the

meaning of applicable securities laws. These stateme nts relate to future events or future performance. All

statements other than statements of historical fact may be forward ‐looking statements or information.

Forward ‐looking statements and information are often, but n ot always, identified by the use of words such

as “appear”, “seek”, “anticipate”, “plan”, “continu e”, “estimate”, “approximate”, “expect”, “may”, “wi ll”,

“project”, “predict”, “potential”, “targeting”, “in tend”, “could”, “might”, “should”, “believe”, “woul d” and similar

expressions.

Forward-looking statements and information are provi ded for the purpose of providing information about

the current expectations and plans of management of the Company relating to the future. Readers are

cautioned that reliance on such statements and info rmation may not be appropriate for other purposes,

such as making investment decisions. Since forward ‐looking statements and information address future

events and conditions, by their very nature they in volve inherent risks and uncertainties. Actual resu lts

could differ materially from those currently antici pated due to a number of factors and risks. These in clude,

but are not limited to, the expected timing and ter ms of the private placement, use of proceeds, antic ipated

work program, required approvals in connection with the work program and the ability to obtain such

approvals. Accordingly, readers should not place un due reliance on the forward ‐looking statements,

timelines and information contained in this news re lease. Readers are cautioned that the foregoing lis t of

factors is not exhaustive.

The forward ‐looking statements and information contained in thi s news release are made as of the date

of this news release and no undertaking is given to update publicly or revise any forward ‐looking

statements or information, whether as a result of n ew information, future events or otherwise, unless so

required by applicable securities laws or the TSXV. The forward-looking statements or information

contained in this news release are expressly qualif ied by this cautionary statement. Neither the TSXV n or

its Regulation Services Provider (as that term is d efined in the policies of the TSXV) accepts respons ibility

for the adequacy or accuracy of this release. No st ock exchange, securities commission or other

regulatory authority has approved or disapproved th e information contained herein.