Investor Presentaiton

AAON® AAON at a Glance SALES BREAKOUT COMPANY OVERVIEW Description: AAON is a manufacturer of semi-custom and fully custom HVAC equipment for commercial and industrial buildings in North America Founded: 1988 Employees: ~3,785² Headquarters: Tulsa, OK Manufacturing: 4 facilities Manufacturing/Warehouse Square Footage: 2.2 million ■ U.S. 3% ■International 97% 5% 3% 2% 5% ■Rooftop units FINANCIAL OVERVIEW Market Cap: $5.1B ■Data center cooling solutions ■ Parts 7% ■ Air handlers ■Condensing units 6% ■ Water source heat pumps Sales: $972M | 3-Year CAGR¹: 25% ■Cleanroom systems ■ Other 6% 65% EBIT margin¹: 15.2% EPS¹: $2.18 | 3-Year CAGR¹: 20% Long-Term Debt²: $83.7M | Leverage Ratio4: 0.47 ROIC²: 18.0% Dividend Yield³: 0.5% ¹Based on trailing twelve months as of March 31, 2023. 2As of March 31, 2023. ³As of April 30, 2023. 4 As defined by our debt agreement and disclosed in our Form 10-Q for March 31, 2023. 12% 13% 75% ■ AAON Oklahoma ■ AAON Coil Products = BasX 7

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