Material Event Form 8 K

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

Birchtech, Inc. (the "Company") previously reported that effective on October 17, 2024, its corporate name changed from "Midwest Energy Emissions Corp." to "Birchtech Corp." pursuant to a Certificate of Amendment to its Certificate of Incorporation filed with the State of Delaware (the "Corporate Name Change").

On November 11, 2024, the Board of Directors of the Company (the "Board") approved a conforming amendment to the By-laws of the Company to reflect the Corporate Name Change. No other changes were made to the By-laws. A copy of the Second Amended and Restated By-laws reflecting this amendment is filed as Exhibit 3.2 to this Current Report on Form 8-K and is incorporated by reference herein.