Birchtech to Participate in Upcoming Investor Conferences

Management to Participate in Gabelli Funds’ 4th Annual PFAS Symposium and Noble Capital Markets’ October 2026 Emerging Growth Virtual Equity Conference

CORSICANA, Texas, Sept. 22, 2026 (GLOBE NEWSWIRE) — Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced that management will participate in two upcoming investor conferences: Gabelli Funds’ 4th Annual PFAS Symposium and Noble Capital Markets’ October 2026 Emerging Growth Virtual Equity Conference.

Richard MacPherson, President and CEO of Birchtech, is scheduled to deliver a corporate presentation at each event and will host one-on-one meetings with institutional investors at the Noble Capital Markets conference, as follows:

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Gabelli Funds’ 4th Annual PFAS Symposium Conference Date: September 24, 2026 Location: Convene, 530 Fifth Avenue, New York, NY Format: Presentation Only Presentation Time: 2:30 PM Eastern Time Webcast: https://gabelli.com/event/4th-annual-pfas-symposium/

Noble Capital Markets’ October 2026 Emerging Growth Virtual Equity Conference Conference Dates: October 1-2, 2026 Location: Virtual Format: Presentation & 1×1 Meetings Presentation Date: October 2, 2026 Presentation Time: 1:00 PM Eastern Time Webcast: https://channelchek.cc/3TmsB7g

A live audio webcast and archive of each presentation will be available using the webcast links above. Registration is mandatory for conference participation. For more information or to schedule a meeting with management, please contact MZ Group at [email protected].

Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) is a leader in specialty activated carbon technologies delivering innovative solutions for air and water purification to support a cleaner, more sustainable future. The Company provides patented SEA ® sorbent technologies for mercury emissions capture for the coal-fired utility sector and SEA disruptive water purification technologies with a specialization on removing contaminants, including ‘forever chemicals’ such as PFAS, from potable water and industrial wastewater. Backed by a strong intellectual property portfolio and a team of activated carbon experts, Birchtech provides cleaner air to North American communities and is applying this expertise to a novel approach in water purification. To learn more, please visit www.birchtech.com.

With the exception of historical information contained in this press release, content herein may contain “forward-looking statements” that are made pursuant to the Safe Harbor Provisions of the U.S. Private Securities Litigation Reform Act of 1995 or forward-looking information under applicable Canadian securities laws (collectively, “forward-looking statements”). Forward-looking statements are generally identified by using words such as “anticipate,” “believe,” “plan,” “expect,” “intend,” “will,” and similar expressions, but these words are not the exclusive means of identifying forward-looking statements.