Exhibit 99.1 OneStream Announces First Quarter 2025 Financial Results BIRMINGHAM, Mich., May 8, 2025 /PRNewswire/ -- OneStream, Inc. (Nasdaq: OS), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core finance and operational functions -- including financial close, consolidation, reporting, planning and forecasting -- today announced financial results for its first quarter ended March 31, 2025. First Quarter 2025 Financial Highlights "Our strong first quart ...

BIRMINGHAM, Mich., May 8, 2025 /PRNewswire/ -- OneStream, Inc. (Nasdaq: OS), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core finance and operational functions -- including financial close, consolidation, reporting, planning and forecasting -- today announced financial results for its first quarter ended March 31, 2025.First Quarter 2025 Financial Highlights Total Revenue: $136.3 million, an increase of 24% year-over-year. Subscription Revenue: $125.1 ...

OneStream Splash and OneStream Wave unite for an immersive event packed with AI-driven innovation, technical collaboration and success stories from over 50 OneStream customers to transform finance BIRMINGHAM, Mich., May 1, 2025 /PRNewswire/ -- OneStream, the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core financial and operational functions – including financial close, consolidation, reporting, planning and forecasting, today announces OneStream Splash, ...

BIRMINGHAM, Mich., April 30, 2025 /PRNewswire/ -- OneStream, Inc. (Nasdaq: OS), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core finance and operational functions -- including financial close, consolidation, reporting, planning and forecasting -- today announced that it will be presenting at the following investor conferences:J.P. Morgan Global Technology, Media and Communications Conference on Wednesday, May 14, at 1:00 p.m. ET / 10:00 a.m. PT in Bos ...

Core Insights - OneStream, Inc. is set to report its financial results for the first quarter ended March 31, 2025, on May 8, 2025, after market close [1] - The company will host a conference call and webcast at 4:30 p.m. ET / 1:30 p.m. PT on the same day to discuss these results [2] Company Overview - OneStream is a leading enterprise finance management platform that modernizes the Office of the CFO by unifying core finance and operational functions, including financial close, consolidation, reporting, planning, and forecasting [1][3] - The platform integrates AI to enhance decision-making and productivity, positioning the CFO as a key driver of business strategy and execution [2][3] - OneStream's Digital Finance Cloud provides a comprehensive cloud-based solution that unifies financial and operational data, allowing for better planning and forecasting [3] Customer and Market Presence - The company serves over 1,600 customers, including 17% of the Fortune 500, and has more than 300 partners for go-to-market, implementation, and development [4] - OneStream employs over 1,500 individuals and aims to be the operating system for modern finance [4]

Core Insights - OneStream has launched a new ESG Reporting & Planning solution that supports Scope 1, 2, and 3 emissions frameworks, allowing customers to collect, analyze, report, and plan for ESG requirements within a unified platform [1][2][3] Company Overview - OneStream is a leading enterprise finance management platform that modernizes the Office of the CFO by unifying core finance and operational functions, including financial close, consolidation, reporting, planning, and forecasting [1][4] - The company aims to empower finance teams to go beyond past reporting and drive business strategy and execution [4][5] - With over 1,600 customers, including 17% of the Fortune 500, OneStream has a vision to be the operating system for modern finance [6] ESG Reporting & Planning Solution Features - The solution enables unified ESG data collection, reporting, and planning, allowing businesses to calculate Scope 1, 2, and 3 emissions and carbon intensity using industry standards or customized factors [7] - It aligns ESG planning and reporting with financial reporting and planning through a common data model [7] - The solution includes governance features for managing ESG processes, ensuring timely delivery of auditable data [7] - It enhances ESG planning and forecasting by providing transparency into financial and ESG target achievements [7] - The platform also manages Renewable Energy Contracts (RECs, PPAs) and aligns calculations to Scope 2 Market Method [7] Market Context - Despite proposed scaling back of ESG and sustainability reporting regulations for small and midsize enterprises, larger enterprises will still need to meet reporting standards, albeit on a more forgiving timetable [2] - Companies that align sustainability and carbon emissions reporting with financial performance gain a competitive advantage, with 73% of investors believing strong ESG credentials are key to global competitiveness [3]

Helping Customer Achieve Efficiency, Compliance and Collaboration The Gartner Magic Quadrant for Financial Close and Consolidation Solutions is a market research report published Gartner, a company that drives actionable, objective insight to executives and their teams. As Gartner states in the report, "The FCCS market continues to see a heightened demand for efficient, compliant and collaborative financial close and consolidation solutions. Vendors are responding with solutions that enhance accessibility, ...

Core Insights - OneStream has achieved FedRAMP High authorization status, meeting the federal government's strictest safety standards for cloud computing environments [1][4] - The FedRAMP program provides a standardized approach to security assessment and authorization for cloud products, facilitating the transition from legacy IT systems to secure cloud solutions [2] - The authorization positions OneStream as a leader in security and compliance, enabling finance leaders in government to enhance operational efficiency and transparency [3] Company Overview - OneStream is a leading enterprise finance management platform that unifies financial and operational functions, including financial close, consolidation, reporting, planning, and forecasting [1][6] - The platform has been FedRAMP authorized since 2018, initially achieving FedRAMP Moderate authorization before advancing to FedRAMP High in January 2025 [4] - OneStream serves over 1,600 customers, including 17% of the Fortune 500, and has a vision to be the operating system for modern finance [8] Industry Context - Finance teams in the public sector face increasing pressure to deliver efficiencies amid rapid organizational changes, with 73% of finance leaders reporting heightened expectations on CFOs in recent years [3] - Risk management is becoming a higher priority for organizations, with 73% of public sector leaders believing it will surpass growth or efficiency by 2035 [3] - The OneStream platform aims to empower finance leaders to become more strategic in navigating the complexities of legacy systems and evolving processes [3]

Financial Performance and Risks - The company has a history of operating losses and expects to continue incurring net losses for the foreseeable future[91]. - There is uncertainty regarding the sustainability of the company's rapid growth and its ability to forecast future operating results[88]. - The company may incur significant compliance costs associated with growth and being a public company, which could affect future operating results[93]. - The company recognizes revenue from SaaS subscriptions ratably over the subscription term, typically three years, impacting immediate revenue visibility[109]. - Revenue growth is dependent on successful strategic relationships with third parties, and failure to maintain these could adversely affect business results[105]. - The company expects seasonality to continue affecting operating results, particularly in the third and fourth quarters due to procurement cycles[119]. - The company may require additional capital, and future financing may not be available on favorable terms, potentially impairing business growth[153]. - The company incurs expenses related to operations and tax obligations, which may limit its ability to pay dividends or fund operations if cash distributions from OneStream Software LLC are insufficient[220]. Sales and Marketing - The average length of the sales cycle is four to eight months, but it can vary significantly and extend over several years for some customers[103]. - The effectiveness of sales and marketing efforts is crucial for attracting new customers and retaining existing ones[86]. - The company plans to invest significantly in sales and marketing to expand its customer base and increase market awareness[92]. - Customer retention rates have historically been high, but there is no assurance that this will continue in the future[102]. - Changes in pricing models may impact customer acquisition and retention, necessitating adjustments to attract new customers[112]. - Expansion of the customer base and sales is dependent on effectively growing the sales and marketing operations, which requires recruiting and training experienced professionals[150]. Competitive Landscape - The company anticipates continued competitive challenges from established competitors with greater resources and market presence[95]. - The introduction and successful implementation of AI-enabled solutions are critical for future growth, with potential competitive disadvantages if not executed effectively[131]. - The company must ensure interoperability with third-party software applications to remain competitive; failure to do so could harm its business[141]. Regulatory and Compliance Issues - The evolving legal and regulatory environment around AI technology may require significant changes to the company's operations and policies, impacting its business[133]. - The company is subject to U.S. export controls and economic sanctions, which could delay or result in the loss of sales opportunities in international markets[163]. - Compliance with anti-corruption laws, such as the FCPA, is critical as non-compliance could lead to significant civil or criminal penalties[165]. - Regulatory changes regarding data privacy and cybersecurity may increase costs and require modifications to the company's platform, impacting its business operations[194]. - The company is subject to the EU GDPR and UK GDPR, which regulate the collection, use, and transfer of personal data, potentially increasing compliance costs[196]. Operational Challenges - The company faces risks related to macroeconomic conditions that may negatively impact customer demand and lengthen sales cycles[88]. - The company faces challenges in selling to government entities, which often involve longer implementation cycles and complex requirements[122]. - The company relies on a limited number of third-party data centers for its cloud-based platform, and any service disruption at these centers could materially harm its business[137]. - The company has experienced past disruptions and outages, which could lead to customer dissatisfaction and impact revenue and renewal rates[138]. - Increased customer demand for product support may lead to higher costs without corresponding revenue, potentially harming operating results[145]. Human Resources and Management - The loss of key executive officers, particularly the CEO, could adversely affect the company's strategic direction and overall business[147]. - Attracting and retaining qualified personnel is critical for executing growth plans, with competition for skilled employees being intense[148]. - The complexity of compliance as a public company may divert management's attention and increase operating expenses[210][211]. Financial and Tax Considerations - The company may face substantial tax assessments and penalties if required to collect additional sales or use taxes in jurisdictions where it has not historically done so[215]. - Changes in tax laws, such as the elimination of the right to deduct research and development expenditures, could increase the company's effective tax rate and adversely affect financial results[218]. - The company has an estimated unrecorded TRA liability of approximately $136.6 million as of December 31, 2024, due to past exchanges and redemptions[226]. - Payments under the TRA are expected to be substantial and could significantly impact the company's liquidity and cash flow available for reinvestment[227]. Cybersecurity and Intellectual Property - Cybersecurity incidents could lead to significant liabilities, loss of customer trust, and operational disruptions[170]. - The company has implemented various security controls, but cannot guarantee their effectiveness against potential breaches[172]. - Protecting intellectual property rights is essential for competitive advantage, and failure to do so could impair the company's technology and brand[178]. - The use of open source software in the company's platform may expose it to litigation and could negatively affect its ability to offer products[185]. Market and Stock Considerations - The trading price of the company's Class A common stock is likely to be volatile, potentially resulting in substantial losses for investors[247]. - The company does not intend to pay dividends on Class A common stock for the foreseeable future, which may limit returns for investors[256]. - KKR holds more than 95% of the voting power of the outstanding capital stock, allowing it to control significant corporate actions[238].

Company Overview - OneStream, Inc. is a leading enterprise finance management platform that modernizes the Office of the CFO by unifying core finance and operational functions, including financial close, consolidation, reporting, planning, and forecasting [1] - The company aims to empower finance teams to go beyond past reporting and drive business strategy and execution through its comprehensive cloud-based platform [3][4] Upcoming Event - OneStream will present at the Morgan Stanley Technology, Media & Telecom Conference on March 4, 2025, at 11:30 a.m. ET / 8:30 a.m. PT in San Francisco, CA [1] - A live webcast and replay of the event will be available on OneStream's investor relations site [2] Market Position - OneStream serves over 1,600 customers, including 17% of the Fortune 500, and has more than 300 partners for go-to-market, implementation, and development [5] - The company employs over 1,500 individuals and envisions becoming the operating system for modern finance [5]