SAFE HARBOR STATEMENT

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2. SAFE HARBOR STATEMENT In addition to historical information, this presentation contains forward-looking statements. These statements relate to future events or our future financial performance. These statements are only predictions and involve known and unknown risks, uncertainties, and other factors. The following factors, among others, could cause our actual results and performance to differ materially from the results and performance projected in, or implied by, the forward-looking statements: our dependence on fixed price contracts and the risks associated therewith, including actual costs exceeding our estimates and our method of accounting for contract revenue; our history of losses and possibility of further losses; the effect of poor operating results on our company; fluctuations in operating results from period to period due to seasonality of our business; the effect of growth on our infrastructure, resources, and existing sales; our ability to expand our operations in both new and existing markets; the potential for contract delay or cancellation; the potential for fluctuations in prices for manufactured components and raw materials; our ability to raise capital and the availability of capital resources; our ability to fully utilize and retain executives; the impact of federal, state, or local government regulations; labor shortages or increases in labor costs; economic and political conditions generally; and the effect of competition in the air pollution control and industrial ventilation industry. We assume no obligation to publicly update or revise these forward-looking statements for any reason, or to update the reasons actual results could differ materially from those anticipated in, or implied by, these forward-looking statements, even if new information becomes available in the future. Although the Company believes the expectations reflected in such forward looking statements are reasonable, it can give no assurance that such expectations will prove to be correct.

3. OUR “FAMILY” OF COMPANIES –TURNKEY SOLUTION

4. OUR “FAMILY” OF COMPANIES – LEVERAGING SYNERGIES

5. OUR BUSINESS – HISTORY OF MANUFACTURING EXCELLENCE Long operating history – 100 years of experience Leading provider of air pollution control and industrial ventilation products and services Complete turnkey solution – from engineering and project management services to procurement and fabrication to construction and installation to aftermarket support and sale of consumables Current vertically integrated family of companies provides a full range of capabilities to customers Contracting Equipment Components/Parts Engineering and Design Fabricating Capacity – over 700,000 sq. ft. through network of 15 facilities including India and China. 825 employees, including 80+ engineers, designers and project managers

6. MULTIPLE CUSTOMIZED PRODUCTS & APPLICATIONS

7. MULTIPLE CUSTOMIZED PRODUCTS & APPLICATIONS

8. More than 3,000 active customers Balanced cross-section of industries Including “blue chip” multinationals Current Contract mix Turnkey ~ 70% of total Recurring high margin revenue of ~ $40 million/year Backlog at Dec. 31, 2007 of ~$85.5 million New contract wins of $200 million in 2007 CUSTOMERS, CONTRACTS & END MARKETS

9. MULTIPLE DEMAND DRIVERS Fundamental strength in industrial sector continues – increased spending on air pollution control and industrial ventilation products and services Growth drivers:

10. MULTIPLE DEMAND DRIVERS – INCREASING REGULATION Positive effects of new air pollution control and energy legislation Industrial air quality has been improving through EPA mandated Maximum Achievable Control Technology ("MACT") standards OSHA established Threshold Limit Values ("TLV") for more than 1,000 industrial contaminants Bio-terrorism threats have also increased awareness for improved industrial workplace air quality Energy Policy Act of 2005 – effective January 1, 2006 in an attempt to combat growing energy problems Renewable Fuels Standard mandates 7.5 billion gallons of Ethanol per year by 2012

11. LIMITED COMPETITIVE LANDSCAPE Highly fragmented market Many small companies that provide only limited products and services offering Majority specialize by geographic region or specific type of product/service CECO Environmental is a leading full-service provider air pollution control and industrial ventilation products and services No public turnkey competitors CECO Environmental major competitive advantages Experienced management, operating and engineering teams Vertically integrated – complete end-to-end solution Long-standing, strong customer relationships across multiple end markets 100 years of operating excellence

12. GROWTH STRATEGIES – TRIED, TESTED & TRUE Expand customer base, penetrate new markets and increase presence in existing end markets Internal development Strategic acquisitions End markets of focus – Ethanol, Forest Products, Cement, Gypsum and Power International strategy Selectively develop production facilities in emerging markets Establish relationships with sales organizations Enter into technology licensing agreements Develop innovative solutions Leverage 100 years of engineering and manufacturing experience Continue to develop customized products Maintain strong customer focus Expand with multinationals Increase penetration in existing markets through cross-selling opportunities Focus on complete, reliable turnkey solution – simplify project management

13. CURRENT INTERNATIONAL PROJECTS ALCOA, China - Rolling mill fume exhaust and process ventilation systems ALCOA, Russia - Engineering work which subsequently led to an order for a rolling mill fume exhaust system Asia Aluminum, China - Rolling mill fume exhaust and process ventilation systems Three projects over $1.0 million each currently underway in Mexico; office in Mexico established Elizio Technologies, Singapore – CECO Filters India On-going work in Taiwan, Japan and Korea

14. Fragmented industry offers significant acquisition opportunities Accretive to earnings – leverage fixed operating infrastructure and G&A costs Strategic access to petrochemical, petroleum and power markets Cupola emission control and gas treatment equipment Entrance into multi-billion dollar energy, power and utilities markets SUCCESSFUL ACQUISITION TRACK RECORD

15. COMPLEMENTARY ORGANIC GROWTH OPPORTUNTIES Ability to identify and address the market’s needs…

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17. STRONG SALES GROWTH Strong sales momentum with recurring revenue in response to industry conditions…

18. IMPRESSIVE ADJUSTED EBITDA GENERATION Ability to layer-on acquisitions generates attractive adjusted EBITDA…

19. CONTINUED EBITDA MARGIN EXPANSION Further leverage of fixed operating structure and G&A expenses…

20. EXCEPTIONAL GROWTH IN EPS Enhanced profitability gained through leverage of fixed operating cost structure and absorption of fixed G&A expenses…

21. FINANCIAL HIGHLIGHTS

22.  Net sales increased 74% to $236.0 million; Gross profit increased 68% to $40.4 million; Operating income increased 109% to $12.6 million; Net income GAAP - $6.3 million (increase of 104%); Net income non-GAAP - $7.0 million (increase of 204%); GAAP Earnings per diluted share - $0.45 (increase of 87.5%); Non-GAAP Earnings per diluted share $0.50 (increase of 256%). CECO’s reported results for the twelve months ended December 31, 2006 included $842,000 in net non-cash income from the valuation of warrants and CECO’s reported results for the twelve months ended December 31, 2007 include a non-cash interest expense of $740,000 related to retirement of subordinated debt.

23. CONTINUED GROWTH IN COMPANY BACKLOG Solid book of business $ in million’s

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