Amprius Set to Showcase State-of-the-Art Silicon Nanowire Battery Manufacturing Line December 14, 2023

Amprius to Host Ribbon Cutting Ceremony at Its Fremont CA Headquarters for the New MWh Silicon Nanowire Battery Production Line

Amprius Technologies, Inc. (“Amprius” or the “Company”) (NYSE: AMPX), a leader in next-generation lithium-ion batteries with its Silicon Anode Platform, today announced it is hosting an event for customers, vendors, investors and partners to showcase its expanded production facility in Fremont, California, known as Amprius Lab.

Amprius is increasing its capacity by 10x at its Fremont facility through the commissioning of its proprietary anode production line, moving the Company from kWh of production to MWh of production. This additional capacity will serve existing customers, including Airbus, AeroVironment, BAE Systems, and Teledyne FLIR, as well as supply the backlog of new customers seeking cell qualification in 2024. The facility will manufacture industry leading, high-energy batteries delivering energy densities of up to 500 Wh/kg and 1335 Wh/L, and high-power batteries with discharge rates as high as 10C.

During the event, invitees will have the opportunity to engage with Amprius executives on the expansion’s impact and observe the state-of-the-art manufacturing equipment. All new assembly and dry rooms will be available for viewing – along with mass production anode equipment, the same technology planned for the GWh factory.

“Due to relentless customer demand for our cells, our current capacity is fully committed for the next 12-18 months. The expanded production in Fremont will enable us to meet the escalating demand from our valued customers while significantly enhancing our ability to support a larger number of new customer qualifications,” said Jon Bornstein, President of Amprius Lab. “This marks a pivotal moment for Amprius. Establishing turnkey manufacturing processes featuring next-generation solutions for our proprietary silicon anode cell manufacturing will allow us to fulfill customer demand while we prepare our Colorado GWh factory for scale up in 2025.”

Amprius continues to expand its advanced manufacturing capabilities to meet the ever-increasing demand for high-performance batteries. Amprius’ next-generation cells are well positioned to power products in the fast-growing aviation and, eventually, electric vehicle markets, estimated to be collectively over $100 billion in battery demand by 2025.

To inquire about an invitation and event details, please contact rsvp@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 batteries deliver up to 450 Wh/kg and 1,150 Wh/L. The company’s corporate headquarters is in Fremont, California where it maintains an R&D lab and Amprius Lab where it currently manufactures silicon anodes and cells. To serve customer demand, Amprius recently entered into a lease agreement for an approximately 774,000 square foot facility in Brighton, Colorado. For additional information, please visit amprius.com. Also, see the company’s LinkedIn and Twitter pages.

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” 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 Amprius’ manufacturing capacity, Amprius’ ability to meet customers’ demand, the performance and potential application of Amprius’ batteries, Amprius’ ability to expand its manufacturing facility, and the estimated size of the battery market. 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. For 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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