Birchtech to participate in Noble Capital Markets emerging growth conference June 3-4, 2026

Birchtech to Participate in Noble Capital Markets’ Emerging Growth Virtual Equity Conference on June 3-4, 2026 CORSICANA, Texas, May 28, 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 has been invited to participate in Noble Capital Markets’ Emerging Growth Virtual Equity Conference on June 3-4, 2026. Richard MacPherson, President and CEO of Birchtech, is scheduled to host virtual one-on-one meetings with institutional investors throughout the duration of the event and will deliver a corporate presentation as follows: Noble Capital Markets’ Emerging Growth Virtual Equity Conference Conference Dates: June 3-4, 2026 Location: Virtual Format: Presentation & 1x1 Meetings Presentation Date: Thursday, June 4, 2026 Presentation Time: 8:30 a.m. Eastern time Webcast: https://channelchek.cc/49YGTA2 A live audio webcast and archive of the presentation will be available using the webcast link above. Registration is mandatory for conference participation.

For more information or to schedule a meeting with management, please contact MZ Group at BCHT@mzgroup.us . About Birchtech Corp. 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. Safe Harbor Statement 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. Forward-looking statements in this release include statements relating to expected developments and growth in Birchtech’s business, as well as anticipated investor engagements and the Company’s participation in investor conferences. These statements are based on management’s current expectations and are subject to uncertainty and changes in circumstances.

Investors are cautioned that forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from the statements made. In addition, this release contains time-sensitive information that reflects management’s best analysis only as of the date of this release. Birchtech does not undertake any obligation to publicly update or revise any forward-looking statements to reflect future events, information or circumstances that arise after the date of this release.

Further information concerning issues that could materially affect financial performance or other forward-looking statements contained in this release can be found in Birchtech’s periodic filings with the Securities and Exchange Commission or Canadian securities regulators. Investor Relations Contact: Lucas A. Zimmerman Managing Director MZ Group - MZ North America (949) 259-4987 BCHT@mzgroup.us www.mzgroup.us GlobeNewswire May 28, 2026 - 5:31 AM PDT News by QuoteMedia www.quotemedia.com