Aspen Aerogels(ASPN) - 2025 Q1 - Quarterly Results

Exhibit 99.1 Aspen Aerogels, Inc. Reports First Quarter 2025 Financial Results and Recent Business Highlights For Immediate Release Delivered revenues of $78.7 million and operating cash flow of $5.6 million New PyroThin award with leading American OEM for next-gen prismatic LFP vehicle platform NORTHBOROUGH, Mass., May 8, 2025 — Aspen Aerogels, Inc. (NYSE: ASPN) ("Aspen" or the "Company"), a technology leader in sustainability and electrification solutions, today announced financial results for the first q ...