PowerSchool Results Presentation Deck

Definitions of Key Business Metrics Annualized Recurring Revenue (“ARR”) ARR represents the annualized value of all recurring contracts as of the end of the period. ARR mitigates fluctuations due to seasonality, contract term, one-time discounts given to help customers meet their budgetary and cash flow needs and the sales mix for recurring and non-recurring revenue. ARR does not have any standardized mea and is therefore unlikely to be comparable to similarly titled measures presented by other companies. ARR should be viewed independently of revenue and deferred revenue and is not intended to be combined with or to replace either of those items. ARR is not a forecast, and the active contracts at the end of a reporting period used in calculating ARR may or may not be extended or renewed by our customers. Net Revenue Retention Rate ("NRR") We believe that our ability to retain and grow recurring revenues from our existing customers over time strengthens the stability and predictability of our revenue base and is reflective of the value we deliver to them through upselling and cross selling our solution portfolio. We assess our performance in this area using a metric we refer to as Net Revenue Retention Rate. For the purposes of calculating NRR, we exclude from our calculation any changes in ARR attributable to Intersect customers, as this product is sold through our channel partnership with EAB and is pursuant to annual revenue minimums, therefore the business will not be managed based on NRR. We calculate our dollar- based NRR as of the end of a reporting period as follows: •Denominator. We measure ARR as of the last day of the prior year comparative reporting period. •Numerator. We measure ARR from renewed and new sale opportunities booked as of the last day of the current reporting period from customers with associated ARR as of the last day of the prior year comparative reporting period. The quotient obtained from this calculation is our dollar-based net revenue retention rate. Our NRR provides insight into the impact on current year recurring revenues of expanding adoption of our solutions by our existing customers during the current period. Our NRR is subject to adjustments for acquisitions, consolidations, spin-offs and other market activity. PowerSchool 20

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