Midwest Energy Emissions appoints Marcum LLP as auditor; prior reports flagged going concern

Birchtech Corp.

Board approved Marcum LLP as independent auditor for FY2022 on Aug 3, 2022.
Prior auditor Rotenberg combined with Marcum effective Feb 1, 2022; formally resigned Aug 3.
Rotenberg's 2020 and 2021 reports included an explanatory paragraph on substantial doubt about going concern.
No disagreements or reportable events with Rotenberg during the past two fiscal years.

This headline and bullets were generated automatically by deepseek-v4-flash:cloud@v2 from the public filing. Read the source on SEC.gov before relying on any specific claim. Not investment advice. See methodology for how this pipeline works.