Mr. Brian Leeners reports

HOMERUN RESOURCES INC. THERMAL PRE-TREATMENT WITH ACID LEACHING PRODUCES PLUS 4N SILICA SAND SUPPORTING BULK SAMPLE DISTRIBUTION AND ADVANCED MATERIALS DEVELOPMENT

Homerun Resources Inc. has provided a further update on the purification platform for the Santa Maria Eterna silica sand district in Belmonte, Bahia, Brazil, following additional testwork and bulk sample progress by Dorfner Anzaplan GmbH.

The company reports that the latest purification testing has produced bulk purified silica material (greater than 99.99 per cent SiO2), which Homerun has shipped to prospective customers for product qualification and to the University of California, Davis, for further advanced material development. The Anzaplan testwork concluded that two-hour thermal pretreatment followed by acid leaching delivered the lowest overall impurities at 81 parts per million (see press release dated July 9, 2026).

This sample production campaign supports the reproducibility of the processing at production scale. This outcome is significant because it demonstrates that the best result from the testing program was achieved with the lowest heating duration tested, which may translate into meaningful reductions in process energy consumption, operating cost and thermal equipment demand in future production scale-up scenarios.

This is an important operational milestone in advancing a practical and potentially lower-cost pathway for producing +4N silica while also creating a feedstock stream for the continued development of Homerun's advanced materials.

The bulk sample batch produced by Anzaplan enables the next stage of engagement with prospective customers and research partners as Homerun works to align purification performance with commercial qualification and downstream advanced materials development.

Qualified person

Carlos Henrique Lourenco Bastos is a senior geologist, MSc, and an independent qualified person registered with the Brazilian Commission for Resources and Reserves. He is a fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM) and a member of the Society for Mining, Metallurgy & Exploration (SME).

About Homerun Resources Inc.

Homerun is building the silica-powered backbone of the energy and technology transitions across multiple focused verticals: high-purity silica and advanced silica materials, solar, energy storage, and energy solutions. Anchored by a unique high-purity low-iron silica resource in the Silica Valley of Bahia, Brazil, Homerun is transforming raw silica sand into essential materials, products and technologies that accelerate clean energy and technology solutions and deliver durable shareholder value.

• Silica: secure supply and processing of high-purity low-iron silica for mission-critical applications, enabling premium solar glass and advanced energy and technology materials;
• Solar: development of the first dedicated 1,000-tonne-per-day high-efficiency solar glass plant in the Americas and the commercialization of extraclear, antimony-free solar glass designed for next-generation photovoltaic performance;
• Energy storage: advancement of long-duration, silica-based thermal storage systems and related technologies to decarbonize industrial heat and unlock grid flexibility;
• Energy solutions: artificial-intelligence-enabled energy management, control systems and turnkey electrification solutions that reduce costs and optimize renewable generation for commercial and industrial customers.

With disciplined execution, strategic partnerships and an unwavering commitment to best-in-class environmental, social and governance practices, Homerun is focused on converting milestones into markets -- creating a scalable, vertically integrated platform for clean energy and technology solutions in the Americas.

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