Mr. Bernard Tourillon reports

HPQ SILICON ANNOUNCES THAT THE PRIVATE PLACEMENT OFFERING IS FULLY SUBSCRIBED

HPQ Silicon Inc.'s non-brokered private placement of 18,181,819 units at a price of 16.5 cents per unit for aggregate gross proceeds of up to approximately $3-million announced on Feb. 23, 2026, is fully subscribed.

"With institutional investor support received, we are happy to say that the offering has been fully subscribed," said Bernard Tourillon, president and chief executive officer of HPQ Silicon.

The closing is expected to occur by or around Feb. 27, 2026, or a later date that may be determined by the company or approving entities. The offering is subject to certain closing conditions, including, but not limited to, the receipt of all necessary approvals, including the conditional acceptance by the TSX Venture Exchange.

In the placement, each unit consists of one common share of the company and one non-transferable common share purchase warrant. Each whole warrant will be exercisable to acquire one common share of the company at an exercise price of 25 cents for a period of 24 months from the closing date of the offering. The company may compensate certain eligible finders under the offering and may pay a cash commission of up to 6 per cent of the gross proceeds and issue such a number of finder warrants of up to 6 per cent of the total number of units issued.

The net proceeds of the offering are intended to be used for: (i) general working capital purposes; (ii) accelerating execution of the company's silicon-based battery material pilot plant project, announced on Sept. 11, 2025; and (iii) continuing the development of the company's hydrogen-based projects.

About HPQ Silicon Inc.

HPQ Silicon is a Quebec-based TSX Venture Exchange industrial issuer focused on innovation in advanced materials and critical process development. In partnership with its research and development partner Novacium -- of which HPQ is a shareholder -- the company is advancing next-generation silicon-based anode materials (Gen3) for batteries, commercializing its Endura+ lithium-ion cells, and developing breakthrough clean hydrogen and waste-to-energy technologies, for which HPQ holds exclusive North American rights.

HPQ is also pursuing proprietary technologies to become a low-cost, zero-carbon-dioxide producer of fumed silica and high-purity silicon, with technical support from PyroGenesis Inc. Together, these initiatives position HPQ to capture growth opportunities in the energy storage, clean hydrogen and advanced materials markets essential to achieving global net-zero goals.

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