Amprius Technologies(AMPX) - 2025 Q3 - Quarterly Results

amprius Exhibit 99.1 LETTER TO SHAREHOLDERS Q3 2025 T Letter to Shareholders November 2025 Fellow Shareholders, n the third quarter. Amprius generated a record $21.4 million in revenue, up 42% from the second quarter and 173% from the prior year period. We also shipped batteries to 159 end customers, bringing our total customer count to 444. We continue to innovate and are excited to share our updates from the quarter. Company Overview Amprius is a pioneer and a leader in the silicon anode battery space. At ...