Mr. Wayne Malouf reports

STAR DIAMOND CORPORATION ANNOUNCES APPOINTMENT OF BRENDAN F. MOORE AND PRE-FEASIBILITY STUDY UPDATE

Star Diamond Corp. has immediately appointed Brendan F. Moore to the company's board of directors.

Mr. Moore is a seasoned global executive with over 30 years of international leadership experience across North America, Europe, Latin America and Asia Pacific. He most recently served as president of Ryan International, where he held full multiregion profit and loss accountability and led cross-border mergers and acquisitions, enterprise transformation, and governance alignment initiatives.

Mr. Moore brings deep expertise in global capital allocation, enterprise risk management, regulatory strategy and long-term value creation, complemented by a strong entrepreneurial record. He is the founder and chief executive officer of Brendan Moore & Associates Ltd., where he led the transformation of strategic tax governance and optimization programs for Fortune 500 enterprises, and previously served as vice-president at Robert Brakel & Associates Ltd.

Welcoming Mr. Moore to the board, Wayne Malouf, chairman, commented: "Brendan offers a seasoned board-level perspective grounded in governance excellence, performance optimization and sustainable value creation. His experience and insight will be a tremendous asset to our organization, and we very much look forward to working with him."

Mr. Moore expressed his enthusiasm for joining the board, stating, "I am honoured to join the board and look forward to contributing to the organization's mission and long-term success."

Further to the company's press release dated Sept. 9, 2025, work to advance the forthcoming preliminary feasibility study for the Star-Orion South diamond project is continuing. The timing of the PFS is dependent, among other things, on the company completing one or more financings and availability of contractors.

About Star Diamond Corp.

The company is a Canadian-based corporation engaged in the acquisition, exploration and development of mineral properties. Shares of the company trade on the Toronto Stock Exchange under the trading symbol DIAM. The company's most significant asset is its interest in the Fort a la Corne property in central Saskatchewan. These diamondiferous kimberlites are located in close proximity to established infrastructure, including paved highways and the electrical power grid, which provide significant advantages for future mine development.

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