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STAR DIAMOND CORPORATION ANNOUNCES CEO Retirement

Management Changes

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NEWS RELEASE

August 25, 2025

TSX: DIAM Saskatoon, Saskatchewan

STAR DIAMOND CORPORATION ANNOUNCES CEO Retirement

Star Diamond Corporation (“Star Diamond” or the “Company”) reports that Chair, President and CEO, Ewan Mason has

notified the Star Diamond Board of his intention to retire on 20 November 2025 after 7 years on the Board and nearly 3

years as President and CEO.

Lisa Riley, Star Diamond Lead Director, said “Mr.Mason has led us through some difficult times and we wish him well in his

retirement. The Board will, in due course, launch a search process for a replacement for Mr.Mason that will seek a

candidate appropriate for our development stage.”

Phone: (306) 664-2202

Email: [email protected]

Website www.stardiamondcorp.com

Stay Connected with Us:

X (Twitter) - https://twitter.com/StarDiamondCorp

LinkedIn - https://www.linkedin.com/company/star-diamond-corp/

Facebook - https://web.facebook.com/stardiamondcorp

Instagram - https://www.instagram.com/stardiamondcorp

YouTube - https://youtube.com/@StarDiamondCorp

Caution Regarding Forward-looking Statements

This press release contains "forward-looking statements" and/or "forward-looking information" (collectively, "forward-looking statements") within

the meaning of applicable securities legislation. Generally, these forward -looking statements can be identifie d by the use of forward -looking

terminology such as “plans”, “expects” or “does not expect”, “is expected”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates”

or “does not anticipate” or “believes”, or the negative connotation thereo f or variations of such words and phrases or state that certain actions,

events or results, “may”, “could”, “would”, “will”, “might” or “will be taken”, “occur” or “be achieved” or the negative conn otation thereof. All

statements, other than statements of historical fact, are forward-looking statements.

These forward-looking statements are based on Star Diamond's current beliefs as well as assumptions made by and information currently available

to Star Diamond and involve inherent risks and uncertainties, both general and specific. Risks exist that forwar d-looking statements will not be

achieved due to a number of factors including, but not limited to, the Company’s ability to obtain financing to further the exploration, evaluation

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and/or development of exploration and evaluation properties in which the Company holds interest, the economic feasibility of any future

development projects, developments in world diamond markets, changes in diamond prices, risks relating to fluctuations in the Canadian dollar and

other currencies relative to the US dollar, the impact of changes in the laws and regulations regulating mining exploration, development, closure,

judicial or regulatory judgments and legal proceedings, operational and infrastructure risks and the additional risks described in Star Diamond's most

recently filed Annual Information Form, and annual and interim MDA.

Although the Company has attempted to identify important factors that could cause actual results to differ materially from th ose contained in

forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance

that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements.

In addition, forward-looking statements are provided solely for the purpose of providing information about management’s current expectations and

plans and allowing investors and others to get a better understanding of our operating environment. Accordingly, readers should not place undue

reliance on forward-looking statements.

Forward-looking statements in this news release are made as of the date hereof and Star Diamond assumes no obligation to update any f orward-

looking statements, except as required by applicable laws.