Investor Presentaiton

| DELIVERING ON OUR COMMITMENTS October 2018 & July 2020 'what we said' 20% to 25% Revenue & Adj. EBITDA Growth¹ Revenue ($M for the year ending June 30th) 82% 479.4 Revenue CAGR At IPO 20,000+ Number of D&D customers $67M+ Deployed on acquisitions 50%+ EBITDA margin (FY2017-2020) 65.5 32.5 Adjusted EBITDA¹ ($M for the year ending June 30th) 79% Adj. EBITDA¹ CAGR 264.0 Key Updates Since IPO in July 2020: 40,000+ Number of D&D customers added ~$117 Million Organic Adj. EBITDA Growth¹ ~$1.8 Billion Deployed on acquisitions 18 Acquisitions Completed 36.7 19.2 FY18 FY20 LTM Q2 FY23 FY18 FY20 LTM Q2 FY23 Note: All figures in CAD unless otherwise noted 1. Represents a non-IFRS measure. Please see "Non-IFRS Measures". Additional details regarding the reconciliation of Net Income to Adj. EBITDA are available in the appendix When being certain is everything Dye & Durham / 5

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