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Investor Presentaiton

AAON Managing Through Post-Pandemic Issues AAON Oklahoma Segment Headcount People Since the end of Q1'21, the segment added over 750 employees, or 42% New V.P. of Administration (external hire) • Without disrupting efficiency, how? Not going to give away any secrets but... • Focus on what people need Add a tremendous amount of opportunity • Great people attract more great people 3,000 2,500 2,000 1,500 1,000 500 0 Q1'21 Q2'21 Q3'21 Q4'21 Q1'22 Q2'22 Q3'22 Q4'22 Q1'23 33 33

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