CECO Environmental Corp. (NASDAQ: CECO) and Thermon Group Holdings Inc. (NYSE: THR) announced that Thermon stockholders have until 5:00 p.m. Central Time on May 22, 2026, to elect the form of merger consideration they wish to receive in CECO's pending acquisition of Thermon.

The companies expect the transaction to close on June 1, 2026, subject to stockholder approval and other customary closing conditions.

Under the merger agreement dated February 23, 2026, each Thermon share can elect to receive one of three options: 0.8110 shares of CECO common stock, a combination of 0.6840 shares of CECO common stock plus $10.00 in cash, or $63.89 in cash. The cash and stock considerations are subject to proration as outlined in the merger agreement.

Stockholders who fail to submit a properly completed election form by the deadline will automatically receive the mixed consideration option of CECO stock and cash.

Thermon stockholders must deliver their election forms to Broadridge Financial Solutions, the exchange agent handling the process. Those holding shares through banks, brokers, or other nominees should contact their financial institutions for specific instructions and may face earlier deadlines.

The election deadline is separate from the voting deadlines for the special stockholder meetings where both companies' shareholders will vote on the merger proposals.

CECO Environmental provides industrial air, water, and energy transition solutions globally. Thermon specializes in industrial process heating, temperature maintenance, and environmental monitoring solutions.