Arq to Host First Quarter 2024 Conference Call on May 9, 2024

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 the Company expects to release its first quarter 2024 financial results and file its Quarterly Report on Form 10-Q for the period ended March 31, 2024 after market close on Wednesday, May 8, 2024. A conference call to discuss the Company's financial performance is scheduled to begin at 9:00 a.m. Eastern Time on Thursday, May 9, 2024.

The conference call webcast information will be available via the Investor Resources section of Arq's website at www.arq.com. Interested parties may participate in the conference call by registering at https://www.webcast-eqs.com/login/arq050924. A supplemental investor presentation will be available on the Company's Investor Resources section of the website prior to the start of the conference call. A replay of the event will be made available shortly after the event and accessible via the same webcast link referenced above.

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, ArqMarc Silverberg, [e-mail]