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LGHT.CN ·

Lighthouse Gold Appoints Mr. Evangelos “Gelly” Gnissios to Advisory Board

Corporate Updates

Lighthouse Gold Appoints Mr. Evangelos “Gelly” Gnissios to Advisory Board

Former Guyana Frontier Mining CEO Brings Direct Sardine Hill and Guyana Exploration

Experience

Vancouver, British Columbia – June 29, 2026 – Lighthouse Gold Corp. (“Lighthouse” or the

“Company”) is pleased to announce the appointment of Evangelos (“Gelly”) Gnissios to the

Company’s Advisory Board.

Mr. Gnissios is a seasoned entrepreneur, business strategist and capital markets professional with

extensive experience advising growth -stage companies across the natural resources, technology

and innovation sectors. He holds an Executive MBA from Warwick Business School (London)

and has served as a director, board advisor and senior executive for multiple public and private

companies. Of particular relevance to Lighthouse, Mr. Gnissios served as Chair of the Board, and

President and CEO of Guyana Frontier Mining Corp., one of the companies that previously

explored the Sardine Hill-Mariwa Gold District. Through that involvement, he developed firsthand

knowledge of the geological potential, historical exploration programs and strategic signif icance

of the district that today hosts Lighthouse’s recently acquired Sardine Hill Gold Property.

As a member of Lighthouse’s Advisory Board, Mr. Gnissios will provide strategic guidance to

management as the Company advances its growing portfolio of gold exploration assets in Guyana,

including the Sardine Hill Gold Property and Aurora NW Project.

“We are delighted to welcome Gelly as the first member of Lighthouse’s Advisory Board,” stated

Will Rascan, Interim Chief Executive Officer of Lighthouse Gold. “His entrepreneurial

background, capital markets expertise and previous involvement with Guyana Frontier Mining’s

work in the Sardine Hill -Mariwa district provide Lighthouse with a unique perspective as we

advance exploration in one of Guyana’s most prospective emerging gold camps. Gelly’s

familiarity with the district and its exploration history will be a valuable asset as we work to unlock

the full potential of Sardine Hill.”

Mr. Gnissios commented, “Having followed and participated in exploration activities within the

Sardine Hill-Mariwa district, I recognize the significant opportunity represented by Lighthouse’s

land position. The district has attracted exploration interest from several respected operators over

the years and remains underexplored relative to its potential. I am excited to join the Advisory

Board and assist the Company as it advances its Guyana-focused growth strategy.”

The formation of Lighthouse’s Advisory Board is intended to strengthen the Company’s technical,

strategic and capital markets capabilities as it advances exploration programs and evaluates

additional growth opportunities within Guyana’s rapidly emerging gold sector.

The Company also announced that it has granted 600,000 stock options pursuant to its equity

incentive plan. The options are exercisable for a period of three (3) years at a price of $0.215 per

share, subject to CSE policies.

About Lighthouse Gold

Lighthouse Gold is a Canadian gold exploration company focused on advancing high -potential

exploration and mining assets in Guyana.

ON BEHALF OF THE BOARD OF DIRECTORS

Geoff Balderson, CFO & Director

For further information regarding Lighthouse, please contact.

Will Rascan

Interim CEO

[email protected]

Forward-Looking Statements

This news release contains or incorporates by reference “forward -looking statements” and “forward -

looking information” as defined under applicable Canadian securities legislation. All statements, other than

statements of historical fact, which address even ts, results, outcomes, or developments that the Company

expects to occur are, or may be deemed, to be, forward-looking statements. Forward-looking statements are

generally, but not always, identified by the use of forward -looking terminology such as "anticipate,"

"expect," "suggest," "plan," "believe," "intend,”, “intention” "estimate," "target," "project," "should,"

"could," "would," "may," "will," "forecast" and other similar expressions. Forward -looking statements

address future events and conditi ons and therefore involve inherent risks and uncertainties, including but

not limited to any remaining risks or uncertainties associated with completion of the Name and Symbol

Change and/or matters therewith associated and/or completion of the Name and Sym bol Change and

expected initial trading date for the same.

Forward-looking statements or information are subject to a variety of known and unknown risks,

uncertainties and other factors that could cause actual events or results to differ from those reflected in the

forward-looking statements or information, including, without limitation, the need for additional capital by

the Company through financings, and the risk that such funds may not be raised; the speculative nature of

exploration and the stages of the Company’s properties; the effect of changes in commodity prices;

regulatory risks that development of the Company’s material properties will not be acceptable for social,

environmental or other reasons, availability of equipment (including drills) and personnel to carry out work

programs, that each stage of work will be completed within expected time frames, that current geological

models and interpretations prove correct, the results of ongoing work programs may lead to a change of

exploration priorities, and the efforts and abilities of the senior management team. This list is not exhaustive

of the factors that may affect any of the Company’s forward-looking statements or information. These and

other factors may cause the Company to change its exploration and work programs, not proceed with work

programs, or change the timing or order of planned work programs. Additional risk factors and details with

respect to risk factors that may affect the Company’s ability to achieve the expectations set forth in the

forward-looking statements contained in this news release are set out in the Company’s latest management

discussion and analysis under “Risks and Uncertainties”, which is available under the Company’s SEDAR+

profile at www.sedarplus.ca. Although the Company has attempted to identify important factors that could

cause actual results to differ materially, there may be other factors that cause results not to be as anticipated,

estimated, described or intended. Accordingly, readers should not place undue reliance on forward-looking

statements or information. The Company’s forward-looking statements and information are based on the

assumptions, beliefs, expectations, and opinions of management as of the date of this press release, and

other than as required by applicable securities laws, the Company does not assume any obligation to update

forward-looking statements and information if circumstances or management’s assumptions, beliefs,

expectations or opinions should change, or changes in any other events affecting such statements or

information.