Arq to Attend Upcoming Investor Conferences

GREENWOOD VILLAGE, Colo., Sept. 16, 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 that Company management will attend the following upcoming Investor conferences:

Gabelli 4^th Annual PFAS Symposium

• Date: September 24, 2026
• Location: New York, NY
• Live presentation: 10am Eastern Standard Time
• For access, please register prior to the event via the following link: https://gabelli.com/event/4th-annual-pfas-symposium/.

Water Tower Virtual Investor Conference

• Date: September 23, 2026
• Location: Virtual
• Presentation time: 9am Eastern Standard Time
• To access Arq’s virtual presentation, please register prior to the event via the following link: https://event.webcasts.com/starthere.jsp?ei=1770861&tp_key=bfed48f4a8.

For interest in scheduling in-person New York meetings with the Arq management Team the week of September 21, 2026, please contact investors@arq.com. The presentation materials to be used by Arq management during these upcoming events will be made available prior to the events on Arq’s Investor relations website at https://ir.arq.com/.

About Arq

Arq (NASDAQ: ARQ) is a diversified, environmental technology company with products that enable a cleaner and safer planet while actively reducing our environmental impact. As the only vertically integrated producer of activated carbon products in North America, we deliver a reliable domestic supply of innovative, hard-to-source, high-demand products. We apply our extensive expertise to develop groundbreaking solutions to remove harmful chemicals and pollutants from water, land and air. Learn more at: www.arq.com.

Source: Arq, Inc.

Investor Contact:
Anthony Nathan, Arq
Marc Silverberg, ICR
investors@arq.com