Advanced Emissions Solutions(ADES) - 2025 Q2 - Quarterly Results

Exhibit 99.1 Arq Reports Second Quarter 2025 Results Increased revenue 13% YoY and maintained sustained PAC price improvement Delivered 5 consecutive quarter of positive Adjusted EBITDA – up >200% YoY Achieved major milestone with the commissioning of 1 GAC line at Red River Targeting final investment decision (FID) for 2 GAC line prior to year-end 2025 th st nd GREENWOOD VILLAGE, Colo., August 11, 2025 - GlobeNewswire - Arq, Inc. (NASDAQ: ARQ) (the "Company" or "Arq"), a producer of activated carbon and ot ...