Amprius Technologies, Inc. ("Amprius"), (NYSE:AMPX), a leader in next-generation lithium-ion batteries with its Silicon Anode Platform, will hold a conference call and webcast on Thursday, August 7, 2025 at 5:00 p.m. Eastern time (2:00 p.m. Pacific time) to discuss its financial results for the second quarter ended June 30, 2025. Financial results will be issued in a press release prior to the call.

Amprius management will host the presentation, followed by a question-and-answer period.

Date: Thursday, August 7, 2025

Time: 5:00 p.m. ET (2:00 p.m. PT)

Toll-Free Number: 866-424-3442

International Number: 201-689-8548

Webcast: Register and Join

Please call the conference telephone number 5-10 minutes prior to the start time. An operator will register your name and organization. If you have any difficulty connecting with the conference call, please contact Gateway Group at 949-574-3860.

The conference call will be broadcast simultaneously and available for webcast replay here.

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 1.8 GWh of contract manufacturing capacity. For additional information, please visit amprius.com. Also, see the Company's LinkedIn page.

View source version on businesswire.com: https://www.businesswire.com/news/home/20250724496783/en/

Investors

Tom Colton, Greg Bradbury

Gateway Group, Inc.

949-574-3860

IR@amprius.com

Media

Zach Kadletz, Brenlyn Motlagh

Gateway Group, Inc.

949-574-3860

Amprius@gateway-grp.com