Mauna Kea Technologies Reports Strong Q4 2025 Sales Driven by Accelerated Growth in the U.S.

Sacha Loiseau, Ph.D., Chairman and CEO of Mauna Kea Technologies, commented: “Our Q4 performance confirms a positive trend for Mauna Kea Technologies. U.S. sales accelerated for the fourth consecutive quarter, confirming the United States as our largest and fastest-growing market. This momentum is driven by strong clinical adoption in pancreatic cyst management and was achieved with a leaner, more productive commercial organization.

Outside the U.S., commercial activity (excluding J&J clinical revenue) has begun to rebound since the exit from the Safeguard proceedings, which had slowed our ability to invest in new markets. Despite this, we achieved substantial progress with CellTolerance, launching new territories such as Australia and Austria where we sold four systems.

We are entering 2026 with improved visibility and confidence. The combination of an underpenetrated pancreatic cyst market in the U.S., the high-potential partnership with TaeWoong Medical USA, and the continued geographic expansion of CellTolerance in both the U.S. and international markets provide a solid foundation for the year ahead.”

Fourth Quarter 2025 Operational Highlights

1. United States: A Breakout Quarter

The United States confirmed its position as the Company's largest market, representing 77% of total Q4 revenue (up from 60% in Q4 2024). This geographic mix shift is highly accretive to margins due to superior average selling prices in the U.S.

• Revenue growth: Sales increased by 82% at CER and by 111% on an invoiced basis, thanks to service contracts that will be recognized over future quarters.
• System sales (+324% CER): The Company sold 4 new systems in Q4 (vs. 1 in Q4 2024). This sharp increase in capital equipment placement is a leading indicator for future activity, as it expands the active installed base. These systems were sold at an average of 96% of list price, reflecting exceptional pricing discipline and minimizing discounts.
• Probe sales (+101% CER): Sales of probes (consumables) doubled compared to the same period last year, reflecting increased utilization of the technology, particularly in cyst indications.
• PPU sales (-16% CER): Pay-Per-Use (PPU) revenue decreased by 16% (CER), primarily due to the adjustment effects of Medicare reimbursement rates and longer contracting cycles for hospital-based PPU agreements. However, this was outweighed by the strategic acceleration in capital system sales, securing future installed base growth.

2. EMEA & Rest of World: Transition and New Opportunities

Total revenue for the region was €373K, a decrease of 39% compared to Q4 2024. However, this headline figure obscures positive underlying operational performance.

• One-off Impact: In Q4, the decline is attributable to a non-recurring payment of €327K received in Q4 2024 from the conclusion of the Johnson & Johnson (J&J) lung cancer program. This revenue stream naturally ceased in 2025.
• Positive Dynamics:Excluding this specific legacy effect, the core commercial business rebounded in Q4. System sales increased +23% and Probe sales increased +68%, marking a recovery following the temporary operational constraints associated with the Safeguard proceedings and cost-saving measures.
• CellTolerance & Pipeline: The CellTolerance business unit achieved +55% growth in the region, driven by initial system sales in Australia and Austria.

3. Strategic Partnership with TaeWoong Medical USA

In Q4, Mauna Kea partnered in the United States with TaeWoong Medical USA to address significant unmet needs in the pancreatic cyst market. This collaboration combines Mauna Kea’s visualization capabilities with TaeWoong’s therapeutic solutions. Training of Taewoong’s team is currently underway, with the combined commercial effort expected to be operational by the end of Q1 2026. This partnership benefits from a particularly strong alignment of interests and does not involve any fixed costs for Mauna Kea.

Financial Performance

CER: Constant Exchange Rates

About Mauna Kea Technologies
Mauna Kea Technologies is a global medical device company that manufactures and sells Cellvizio®, the real-time in vivo cellular imaging platform. This technology uniquely delivers in vivo cellular visualization which enables physicians to monitor the progression of disease over time, assess point-in-time reactions as they happen in real time, classify indeterminate areas of concern, and guide surgical interventions. The Cellvizio® platform is used globally across a wide range of medical specialties and is making a transformative change in the way physicians diagnose and treat patients. For more information, visit www.maunakeatech.com.

Disclaimer
This press release contains forward-looking statements about Mauna Kea Technologies and its business. All statements other than statements of historical fact included in this press release, including, but not limited to, statements regarding Mauna Kea Technologies' financial condition, business, strategies, plans and objectives for future operations are forward-looking statements. Mauna Kea Technologies believes that these forward-looking statements are based on reasonable assumptions. However, no assurance can be given that the expectations expressed in these forward-looking statements will be achieved. These forward-looking statements are subject to numerous risks and uncertainties, including those described in Chapter 2 of Mauna Kea Technologies' 2024 Annual Report filed with the Autorité des marchés financiers (AMF) on April 30, 2025, which is available on the Company's website (www.maunakeatech.fr), as well as the risks associated with changes in economic conditions, financial markets and the markets in which Mauna Kea Technologies operates. The forward-looking statements contained in this press release are also subject to risks that are unknown to Mauna Kea Technologies or that Mauna Kea Technologies does not currently consider material. The occurrence of some or all of these risks could cause the actual results, financial condition, performance or achievements of Mauna Kea Technologies to differ materially from those expressed in the forward-looking statements. This press release and the information contained herein do not constitute an offer to sell or subscribe for, or the solicitation of an order to buy or subscribe for, shares of Mauna Kea Technologies in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. The distribution of this press release may be restricted in certain jurisdictions by local law. Persons into whose possession this document comes are required to comply with all local regulations applicable to this document.

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