3Q 2023 Investor Presentation

Annualized Recurring Revenue (ARR) The Company presents Annualized Recurring Revenue ("ARR") on a constant currency organic basis for its MA business as a supplemental performance metric to provide additional insight on the estimated value of MA's recurring revenue contracts at a given point in time. The Company uses ARR to manage and monitor performance of its MA operating segment and believes that this metric is a key indicator of the trajectory of MA's recurring revenue base. The Company calculates ARR by taking the total recurring contract value for each active renewable contract as of the reporting date, divided by the number of days in the contract and multiplied by 365 days to create an annualized value. The Company defines renewable contracts as subscriptions, term licenses, maintenance and renewable services. ARR excludes transaction sales including training, one-time services and perpetual licenses. In order to compare period-over-period ARR excluding the effects of foreign currency translation, the Company bases the calculation on currency rates utilized in its current year operating budget and holds these FX rates constant for the duration of all current and prior periods being reported. Additionally, ARR excludes contracts related to acquisitions to provide additional perspective in assessing growth excluding the impacts from certain acquisition activity. The Company's definition of ARR may differ from definitions utilized by other companies reporting similarly named measures, and this metric should be viewed in addition to, and not as a substitute for, financial measures presented in accordance with U.S. GAAP. Amounts in millions MA ARR Decision Solutions September 30, 2023 September 30, 2022 Change Growth Banking $397 $362 $35 10% Insurance 511 475 36 8% KYC 308 260 48 18% Total Decision Solutions $1,216 $1,097 $119 11% Research and Insights 853 787 66 8% Data and Information 782 711 71 10% Total MA ARR $2,851 $2,595 $256 10% Moody's | Decode risk. Unlock opportunity. 3Q 2023 Investor Presentation 78

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