Sterling Results Presentation Deck

Strong Historical Revenue Performance 18 Chart in $ millions $110.5 Q1 19 $132.4 Q2 19 $132.8 Q3 19 $121.4 1. See appendix for a reconciliation of GAAP to Non-GAAP measures Q4 19 Year-over-year organic constant currency revenue growth¹ Average (Q1 20 to Q4 21) $119.4 Q1 20 +8.7% $88.6 Q2 20 (32.5%) $117.6 Q3 20 (11.8%) $128.5 Q4 20 +5.4% 17.0% $139.4 Q1 21 +14.7% $159.3 Q2 21 +76.0% $169.6 Q3 21 +43.2% $174.0 Q4 21 +32.3% Sterling

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