Optimize, Evolve, Transform: Expanding the Rimini Street Solutions Portfolio

RS Summary of Operating Metrics Number of Clients . • Active client - Distinct entity, such as a company, an educational or government institution, or a subsidiary, division, or business unit of a company that purchases Rimini Street services to support a specific product Growth in the number of clients is an indication of the increased adoption of the Company's enterprise software products and services Annualized Subscription Revenue Gross Revenue Retention Rate Gross Margin • The amount of subscription revenue recognized during a quarter and multiplied by four . . . Gives an indication of the revenue that can be earned in the following 12-month period from the Company's existing client base assuming no cancellations or price changes occur during that period Actual subscription revenue (dollar-based) recognized in a 12-month period from clients that were clients on the day prior to the start of the 12-month period divided by the Company's annualized subscription revenue as of the day prior to the start of the 12-month period Provides insight into the quality of Rimini Street's products and services and the value that the Company's products and services provide clients Difference between revenue and the costs incurred in providing the software products and services divided by revenue Provides an indication of how efficiently and effectively Rimini Street is operating the business and serving clients Property of Rimini Street 2023 | Proprietary and Confidential 35

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