Ceco Environmental Corp. Watch

from 10-K 8 pages Ceco Environmental Corp. Nonqualified Stock Option Agreement

from 10-K 13 pages Ceco Environmental Corp. Performance-Based Restricted Stock Units Agreement

from 10-K 10 pages Ceco Environmental Corp. Restricted Stock Units Agreement

from 10-Q 9 pages Executive Separation Agreement and Release

from 10-Q 10 pages Executive Separation Agreement and Release

from 8-K 9 pages Ceco Environmental Corp. Performance-Based Restricted Stock Units Agreement

from 8-K 9 pages Ceco Environmental Corp. Performance-Based Restricted Stock Units Agreement

from 8-K 23 pages Ceco Environmental Corp. Executive Change in Control Severance Plan

from 8-K 9 pages Ceco Environmental Corp. Performance-Based Restricted Stock Units Agreement

from 8-K 3 pages Via E-Mail Delivery July 5, 2023 Mr. Todd R. Gleason 14651 North Dallas Parkway, Ste. 500 Dallas, Tx 75254 Re: Letter Agreement Relating to Continuing Employment

from 8-K 23 pages Scope. This Ceco Environmental Corp. Executive Change in Control Severance Plan (This “Plan”) Applies to Such Officers and/or Key Employees of Ceco Environmental Corp. (The “Company”) as May Be Determined by the Compensation Committee (Or Its Successor, the “Compensation Committee”) of the Board of Directors of the Company (The “Board”) From Time to Time (“Participants”). Except as Otherwise Determined by the Compensation Committee, Participants in the Plan Are Generally Anticipated to Be Direct Reports to the Company’s Chief Executive Officer. Each Participant Will Be Designated by the Compensation Committee as a Tier 1 Participant or a Tier 2 Participant Upon Being Included as a Participant, and the Company Shall Communicate Such Designation to the Participant and Memorialize It in the Records of the Company. Certain Capitalized Terms Used in This Plan Have the Meanings Ascribed to Them in Section 14 of This Plan. This Plan Was Last Amended and Restated Effective as of March 3, 2023. 2. Purpose. the Purpose of This Plan Is to Set Forth Certain Compensation and Benefits That Are Due to a Participant Upon the Participant’s Termination of Employment With the Company as Described Herein. 3. Participation

from 10-K 6 pages Ceco Environmental Corp. Restricted Stock Units Agreement

from 10-K 11 pages Ceco Environmental Corp. Restricted Stock Units Agreement

from 10-Q 8 pages Executive Separation Agreement and Release

from 10-K 13 pages Recitals

from 10-K 6 pages Ceco Environmental Corp. Restricted Stock Units Agreement

from 10-K 6 pages Ceco Environmental Corp. Restricted Stock Units Agreement

from 10-Q 22 pages Scope. This Ceco Environmental Corp. Executive Change in Control Severance Plan (This “Plan”) Applies to Such Officers and/or Key Employees of Ceco Environmental Corp. (The “Company”) as May Be Determined by the Compensation Committee (Or Its Successor, the “Compensation Committee”) of the Board of Directors of the Company (The “Board”) From Time to Time (“Participants”). Except as Otherwise Determined by the Compensation Committee, Participants in the Plan Are Generally Anticipated to Be Direct Reports to the Company’s Chief Executive Officer. Each Participant Will Be Designated by the Compensation Committee as a Tier 1 Participant or a Tier 2 Participant Upon Being Included as a Participant, and the Company Shall Communicate Such Designation to the Participant and Memorialize It in the Records of the Company. Certain Capitalized Terms Used in This Plan Have the Meanings Ascribed to Them in Section 14 of This Plan. 2. Purpose. the Purpose of This Plan Is to Set Forth Certain Compensation and Benefits That Are Due to a Participant Upon the Participant’s Termination of Employment With the Company as Described Herein. 3. Participation

from 8-K 16 pages Ceco Environmental Corp. 2021 Equity and Incentive Compensation Plan

from 10-Q 19 pages Executive Employment Agreement