Arq Reports Fourth Quarter and Full Year 2025 Results

Generated record revenue of approximately $120 million for full-year 2025, driven by PAC performance Reported Adjusted EBITDA (1) of $13 million, representing 26% improvement year-over-year Provided inaugural financial guidance for full-year 2026 Pausing GAC production and development to conduct comprehensive engineering and production process optimization review Announced leadership changes, including appointment of industry veteran as VP Operations and Finance team reorganization GREENWOOD VILLAGE, Colo., March 09, 2026 (GLOBE NEWSWIRE) -- Arq, Inc. (NASDAQ: ARQ) (the "Company" or "Arq"), a producer of activated carbon and other environmentally efficient carbon products for use in purification and sustainable materials, today announced its financial and operating results for the quarter and year ended December 31, 2025.