Rimini Street Announces Additional Stock Repurchase Transactions

Company will share its vision, strategy, sales and execution model, financial model and guidance at its Investor Day event on December 3, 2025

Rimini Street, Inc. (Nasdaq: RMNI), a global provider of end-to-end enterprise software support, managed services and innovation solutions, and the leading third-party support provider for Oracle, SAP and VMware software, today announced the following:

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Rimini Street Announces Additional Stock Repurchase Transactions

Share Repurchases

The Company repurchased a total of 975,000 shares of common stock to date in the fourth fiscal quarter of 2025, for approximately $3.8 million with an average per share purchase price of $3.92, reducing outstanding shares by approximately 1.1%¹.

The Company has now completed and announced $13.3 million in common stock repurchases under its $50 million Common Stock Repurchase Plan that was approved by the Rimini Street Board of Directors in February 2022 and recently extended through June 2029. $7.6 million of common stock repurchases were executed in fiscal Q3 and Q4 of 2025, combined.

Upcoming Investor Day 2025

The Company previously announced its upcoming Investor Day 2025 event, to be held Wednesday, December 3, 2025. Please join CEO Seth Ravin and the Rimini Street executive team as they share their vision, strategy, sales and execution model, financial model and guidance.

Details:

• Date: Wednesday, December 3, 2025
• Time: 8:30 AM – 12:00 PM Eastern
• Webcast: Registration link:Investor Day 2025 - webinar.net

About Rimini Street, Inc.

Rimini Street, Inc. (Nasdaq: RMNI), a Russell 2000® Company, is a proven, trusted global provider of end-to-end, mission-critical enterprise software support, managed services and innovative Agentic AI ERP solutions, and is the leading third-party support provider for Oracle, SAP and VMware software. The Company has signed thousands of IT service contracts with Fortune Global 100, Fortune 500, midmarket, public sector and government organizations who have leveraged the Rimini Smart Path™ methodology to achieve better operational outcomes, billions of US dollars in savings and fund AI and other innovation.

To learn more, please visit www.riministreet.com, and connect with Rimini Street on X, Facebook, Instagram, and LinkedIn.

Forward-Looking Statements

Certain statements included in this communication are not historical facts but are forward-looking statements for purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995. Forward-looking statements generally are accompanied by words such as “anticipate,” “assume,” “believe,” “continue,” “could,” “currently,” “estimate,” “expect,” “forecast,” “future,” “intend,” “may,” “might,” “outlook,” “plan,” “possible,” “goal,” “potential,” “predict,” “project,” “seem,” “seek,” “should,” “will,” “would” or other similar words, phrases or expressions. These forward-looking statements include, but are not limited to, statements regarding our expectations of future events, future opportunities, global expansion and other growth initiatives and our investments in such initiatives. These statements are based on various assumptions and on the current expectations of management and are not predictions of actual performance, nor are these statements of historical facts. These statements are subject to a number of risks and uncertainties regarding Rimini Street’s business, and actual results may differ materially. These risks and uncertainties include, but are not limited to, litigation, agreements and Court orders involving Oracle, the wind down of support services for Oracle’s PeopleSoft software products and the impact on future period revenue and costs incurred related to these efforts; changes in the business environment in which Rimini Street operates, including the impact of macro-economic trends, geopolitical tensions and changes in foreign exchange rates, as well as general financial, economic, regulatory and political conditions affecting the industry in which we operate and the industries in which our clients operate; the evolution of the enterprise software management and support landscape and our ability to attract and retain clients and further penetrate our client base; significant competition in the software support services industry and our intentions with respect to our pricing model; customer adoption of our expanded portfolio of products and services and products and services we expect to introduce; our expectations regarding new product offerings, partnerships and alliance programs, including but not limited to our partnership with ServiceNow and our Agentic AI ERP innovation solutions; our ability to grow our revenue and accurately forecast revenue, along with the results of any efforts to manage costs to align with revenue expectations and expansion of our offerings; the expected impact of reductions in our workforce during the last and current fiscal year and associated reorganization costs; estimates of our total addressable market and expectations of client savings relative to use of other providers; variability of timing in our sales cycle; risks relating to retention rates, including our ability to accurately predict retention rates; the loss of one or more members of our management team; our ability to attract and retain additional qualified personnel; our business plan and ability to grow in the future and our ability to achieve and maintain profitability; the volatility of our stock price; our need and ability to raise equity or debt financing on favorable terms and our ability to generate cash flows from operations to help fund increased investment in our growth initiatives; risks associated with global operations; our ability to prevent unauthorized access to our information technology systems and other cybersecurity threats; any deficiencies associated with artificial intelligence (AI) technologies used by us or by our third-party vendors and service providers or incorporated by us into our service offerings and/or our Agentic AI ERP innovation solutions; our ability to protect the confidential information of our employees and clients and to comply with privacy regulations; our ability to maintain an effective system of internal control over financial reporting; our ability to maintain, protect and enhance our brand and intellectual property; changes in laws and regulations, including changes in tax laws or unfavorable outcomes of tax positions we take; tariff costs, including tariff relief or the ability to mitigate tariffs, in light of new or increased tariffs imposed by the United States government and the potential for retaliatory trade measures by affected countries; a failure by us to establish adequate tax reserves; adverse developments in and costs associated with defending pending litigation or any new litigation; our ability to realize benefits from our net operating losses; any negative impact of environmental, social and governance matters on our reputation or business and the exposure of our business to additional costs or risks from our reporting on such matters; our ability to maintain our good standing with the United States government and international governments, capture new contracts with governmental entities and maintain our status as an approved United States government contractor; our credit facility’s ongoing debt service obligations and financial and operational covenants on our business and related interest rate risk; the sufficiency of our cash and cash equivalents to meet our liquidity requirements; the amount and timing of repurchases, if any, under our stock repurchase program and our ability to enhance stockholder value through such program; uncertainty as to the long-term value of Rimini Street’s equity securities; catastrophic events that disrupt our business or that of our clients; and those discussed under the heading “Risk Factors” in Rimini Street’s Quarterly Report on Form 10-Q filed on October 30, 2025, and as updated from time to time by Rimini Street’s future Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and other filings by Rimini Street with the U.S. Securities and Exchange Commission. In addition, forward-looking statements provide Rimini Street’s expectations, plans or forecasts of future events and views as of the date of this communication. Rimini Street anticipates that subsequent events and developments will cause Rimini Street’s assessments to change. However, while Rimini Street may elect to update these forward-looking statements at some point in the future, Rimini Street specifically disclaims any obligation to do so, except as required by law. These forward-looking statements should not be relied upon as representing Rimini Street’s assessments as of any date subsequent to the date of this communication.

© 2025 Rimini Street, Inc. All rights reserved. “Rimini Street” is a registered trademark of Rimini Street, Inc. in the United States and other countries, and Rimini Street, the Rimini Street logo, and combinations thereof, and other marks marked by TM are trademarks of Rimini Street, Inc. All other trademarks remain the property of their respective owners, and unless otherwise specified, Rimini Street claims no affiliation, endorsement, or association with any such trademark holder or other companies referenced herein.

¹ Calculated using approximately 91.7 million total shares outstanding as of September 30, 2025.

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