Horizon Quantum Holdings Ltd. (NASDAQ:HQ), a pioneer of software infrastructure for quantum applications, today announced that the Company anticipates releasing its financial results for the quarter ended March 31, 2026, on Tuesday, May 5, 2026, before the financial markets open.

Horizon Quantum will host a conference call at 8:00 AM Eastern time that same day to discuss its results and business outlook. The call will be webcast live at investors.horizonquantum.com. Those interested to participate via telephone may do so by registering on the Investors section of the Company's website under Events & Presentations and using the online form, which will be available shortly after this release. Upon registration, all telephone participants will receive the dial-in number along with a unique PIN number that can be used to access the call. A replay of the webcast will be available for one year.

About Horizon Quantum

Horizon Quantum (NASDAQ:HQ) is on a mission to unlock broad quantum advantage by building the software infrastructure that empowers developers to use quantum computing to solve the world's toughest computational problems.

Founded in 2018 by Dr Joe Fitzsimons, a leading researcher and former professor with more than two decades of experience in quantum computing, the company is bridging the gap between today's hardware and tomorrow's applications through the creation of advanced quantum software development tools. Its integrated development environment, Triple Alpha, enables developers to write sophisticated, hardware-agnostic quantum programs at different levels of abstraction. Learn more at www.horizonquantum.com.

Cautionary Note to Investors Regarding Forward-Looking Statements

This press release includes forward-looking statements. The expectations, estimates, and projections of the businesses of Horizon Quantum may differ from its actual results and consequently, you should not rely on these forward-looking statements as predictions of future events. Words such as "expect," "estimate," "anticipate," "intend," "may," "will," "could," "should," "potential," "plan" "enable," and similar expressions are intended to identify such forward-looking statements. Actual results may differ materially and adversely from those expressed or implied in any forward-looking statements and Horizon Quantum therefore cautions against placing undue reliance on any of these forward-looking statements. Many of these factors are outside of the control of Horizon Quantum and are difficult to predict. Factors that may cause such differences include, but are not limited to: the risks and uncertainties included in the "Risk Factors" section of the Annual Report on Form 20-F most recently filed by Horizon Quantum, as well as other documents filed or to be filed with the SEC by Horizon Quantum. The foregoing list of factors is not exclusive. New risks emerge from time to time, and it is not possible for management to predict all risks, nor can management assess the impact of all factors on the business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements. You should not place undue reliance upon any forward-looking statements, which speak only as of the date made. Horizon Quantum does not undertake or accept any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements to reflect any change in their expectations or any change in events, conditions, or circumstances on which any such statement is based, except as required by law.

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Investor Contact

Horizon Quantum investor contact

Katherine Bailon

investors@horizonquantum.com

Media Contact

Horizon Quantum media contact

Yanina Blaclard

media@horizonquantum.com

Horizon Quantum to Report First Quarter Financial Results on May 5, 2026