Nokia Drone Networks Integrates Amprius SiCore® Batteries to Advance High-Reliability Operations

Next-generation 5G drones for industrial inspection, monitoring, public safety and emergency response

Amprius Technologies, Inc. ("Amprius" or the "Company") (NYSE:AMPX), a leader in next-generation lithium-ion batteries with its Silicon Anode Platform, today announced that Nokia has selected Amprius' SiCore^® cells to power its next-generation drone systems. Following extensive qualification and testing, Amprius' batteries demonstrated the endurance, power delivery, and safety performance needed to position this drone-in-a-box solution among the most capable UAV platforms on the market.

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Nokia Drone Networks integrates Amprius SiCore® batteries to advance high-reliability operations.

Amprius' balanced cells deliver burst power required for takeoff and sustained energy needed for extended flight, ensuring obstacle avoidance, return-to-home, and other safety-critical subsystems remain powered for the entire mission. Their lightweight design and high energy density also support advanced payloads, including LiDAR sensors, thermal imaging systems, and 5G communication modules, without compromising endurance or system reliability.

"Amprius' batteries offer performance gains that meaningfully enhance our drone capability," said Thomas Eder, Head of Embedded Wireless Solutions, Nokia. "With SiCore, we can extend mission range, increase payload versatility, and improve system efficiency while maintaining the safety and reliability our customers expect. These advancements strengthen our leadership in public safety and industrial monitoring, and open new opportunities for mission-critical aerial operations."

With its latest release, Nokia Drone Networks continues to evolve as a smarter, more capable solution designed for rapid deployment and large-scale use. By combining 5G connectivity with an open architecture, the solution supports secure, long-range beyond-visual-line-of-sight (BVLOS) missions. The platform's Extra Long Range (XLR) capability, paired with Amprius' energy-dense cells, expands the operational reach of automated drone fleets.

"Nokia's selection further demonstrates Amprius' leadership in aviation battery technology and reflects the growing demand for our SiCore platform in high-impact deployments," said Dr. Kang Sun, CEO of Amprius Technologies. "As UAVs take on more complex and autonomous missions, energy density and temperature control become decisive advantages. Our technology enables drones to operate longer, carry more, and perform in conditions once considered impractical, helping customers improve safety, minimize downtime, and increase mission value."

With partnerships spanning UAVs, eVTOL, and advanced mobility platforms, Amprius continues to set the standard for high-performance, energy-dense batteries. By delivering both endurance and resilience in real-world applications, the Company is advancing the future of flight and shaping the next era of electrified mobility.

For more information, please visit the Amprius investor relations website at ir.amprius.com.

About Amprius Technologies, Inc.

Amprius Technologies, Inc. is a leading manufacturer of high-energy and high-power lithium-ion batteries, producing the industry's highest-known energy density cells. The Company's commercially available SiCore^® and SiMaxx™ batteries deliver up to 450 Wh/kg and 1,150 Wh/L, with third-party validation of 500Wh/kg and 1,300 Wh/L. The Company's corporate headquarters is in Fremont, California, where it maintains an R&D lab and a MWh scale manufacturing facility for the fabrication of silicon anodes and cells. To serve customer demand, Amprius entered into several agreements to secure over 2.0 GWh of contract manufacturing capacity available today. For additional information, please visit amprius.com. Also, see the Company's LinkedIn page.

About Nokia

At Nokia, we create technology that helps the world act together. As a B2B technology innovation leader, we are pioneering networks that sense, think and act by leveraging our work across mobile, fixed and cloud networks. In addition, we create value with intellectual property and long-term research, led by the award-winning Nokia Bell Labs, which is celebrating 100 years of innovation. With truly open architectures that seamlessly integrate into any ecosystem, our high-performance networks create new opportunities for monetization and scale. Service providers, enterprises and partners worldwide trust Nokia to deliver secure, reliable and sustainable networks today – and work with us to create the digital services and applications of the future.

Forward-Looking Statements

This press release includes "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, each as amended. Forward-looking statements may be identified by the use of words such as "estimate," "plan," "project," "forecast," "intend," "expect," "anticipate," "believe," "seek," "will" or other similar expressions that predict or indicate future events or trends or that are not statements of historical matters. These forward-looking statements include, but are not limited to, statements regarding the benefits of Amprius' products to its customers and the industry, the timing of Nokia to launch its next-generation drones powered by Amprius' products, the demands for Amprius' products, the potential applications and addressable markets of Amprius' products, the performance of Amprius' products, and the ability of Amprius to set the standard for high-performance energy solutions and meet market demand. These statements are based on various assumptions, whether or not identified in this press release, and on the current expectations of Amprius' management and are not predictions of actual performance. Actual results could differ materially from these forward-looking statements as a result of certain risks and uncertainties. These forward-looking statements are subject to a number of risks and uncertainties, including Amprius' liquidity position; risks related to the rollout of Amprius' business and the timing of expected business milestones; Amprius' ability to commercially produce high performing batteries; the effects of competition on Amprius' business; supply shortages in the materials necessary for the production of Amprius' products; and changes in domestic and foreign business, market, financial, political and legal conditions. More information on these risks and uncertainties that may impact the operations and projections discussed herein can be found in the documents we filed from time to time with the Securities and Exchange Commission (the "SEC"), all of which are available on the SEC's website at www.sec.gov. There may be additional risks that Amprius does not presently know or that Amprius currently believes are immaterial that could also cause actual results to differ from those contained in the forward-looking statements. In addition, forward-looking statements reflect Amprius' expectations, plans or forecasts of future events and views as of the date of this press release. These forward-looking statements should not be relied upon as representing Amprius' assessments as of any date subsequent to the date of this press release. Accordingly, undue reliance should not be placed upon the forward-looking statements. Except as required by law, Amprius specifically disclaims any obligation to update any forward-looking statements.

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