Sterling Results Presentation Deck

Long-term Targets 24 9% -11% ANNUAL ORGANIC CONSTANT CURRENCY REVENUE GROWTH² Three-To Five-Year Targets¹ 29% - 32%+ ADJUSTED EBITDA MARGIN² 15% - 20% ANNUAL ADJUSTED NET INCOME GROWTH² 1. These are not projections. They are targets and are forward-looking, are subject to significant business, economic and competitive uncertainties and contingencies, many of which are beyond our control and the control of management, and are based upon assumptions with respect to future decisions, which are subject to change. Actual results may vary and these variations may be material. For a discussion of some of the important factors that could cause these variations, please consult the "Risk Factors" section of our final prospectus, filed with the SEC on September 24, 2021. Nothing in this presentation should be regarded as a representation by any person that these goals will be achieved and we undertake no duty to update our goals. 2. We have not presented a quantitative reconciliation of the forward-looking non-GAAP financial measures "Adjusted EBITDA" and "Organic constant currency revenue growth" to its most directly comparable GAAP financial measure because it is impractical to forecast certain items without unreasonable efforts due to the uncertainty and inherent difficulty of predicting the occurrence and financial impact of the periods in which such items may be recognized. Sterling

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