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SINGAPORE, COLLEGE PARK, Md., April 9, 2026 — Horizon Quantum Holdings Ltd. (“Horizon Quantum”), a pioneer of software infrastructure for quantum applications and IonQ — the world’s leading quantum platform company — today announced a strategic agreement. Horizon Quantum will purchase one of IonQ’s first 6th-generation, chip-based 256-qubit trapped-ion systems, in furtherance of Horizon Quantum’s mission to unlock the full potential of quantum computing with its software platform. The acquisition of the 256-qubit system marks a further step in Horizon Quantum’s efforts to enable broad quantum advantage.

SINGAPORE AND LAS VEGAS, NV, March 19, 2026 — Horizon Quantum Computing Pte. Ltd. (“Horizon Quantum”), a pioneer of software infrastructure for quantum applications, today announced that it has completed its previously announced business combination (the “Business Combination”) with dMY Squared Technology Group, Inc. (“dMY”) (OTC: “DMYY”, “DMYYU” and “DMYYW”), a publicly traded special purpose acquisition company. The Business Combination was approved by dMY’s shareholders at dMY’s special meeting held on March 17, 2026. On March 20, 2026, the combined company’s Class A ordinary shares and warrants will begin trading on Nasdaq under the ticker symbols “HQ” and “HQWWW,” respectively.

SINGAPORE & LAS VEGAS--Dec. 5, 2025--Horizon Quantum Computing Pte. Ltd. (“Horizon Quantum”), a pioneer of software infrastructure for quantum applications, and dMY Squared Technology Group, Inc. (“dMY Squared”) (OTCQB: “DMYY”), a publicly traded special purpose acquisition company, announced that they have entered into subscription agreements with investors for a $110 million PIPE financing comprised of common equity, priced at the SPAC redemption price per share, to support the previously announced proposed business combination (the “Business Combination”) which is expected to close in the first quarter of 2026.

SINGAPORE--Dec. 3, 2025--Horizon Quantum Computing Pte. Ltd., a pioneer of software infrastructure for quantum applications, today announced that it has completed the assembly and integration of a first quantum computer at its Singapore headquarters. The system is now fully operational. Assembled from components and operated directly by Horizon Quantum’s team, this system makes Horizon Quantum the first quantum software company to own and run a quantum computer.

Singapore, 18 April 2024— Horizon Quantum Computing, a company building software development tools for quantum computers, today announced that it is establishing a first-of-a-kind testbed for integrating quantum computing hardware with its software stack, Triple Alpha. The testbed, which will be set up at Horizon’s Singapore headquarters, will have the capacity to host multiple quantum computers. By acquiring its own hardware, Horizon gains full control over both hardware and software stacks, allowing it to push the frontiers of quantum computing.