Mathradas Brings a Track Record of AI Product Innovation and Delivering Operational Excellence at Scale

Succeeds Long-Time CEO Mike Burkland, Who Will Remain on Board of Directors to Ensure Smooth Transition

Five9, Inc. (NASDAQ:FIVN) ("Five9" or the "Company"), provider of the Intelligent CX Platform, today announced that its Board of Directors (the "Board") has appointed Amit Mathradas as the Company's Chief Executive Officer ("CEO") and a director, effective February 2, 2026. Mr. Mathradas will take on the role from Board Chairman Mike Burkland, whose decision to retire from the CEO position was announced in July. Mr. Burkland will continue to serve on the Board and will work with Mr. Mathradas to ensure a smooth transition.

Until recently, Mr. Mathradas served as CEO of Nintex, serving more than 7,000 public and private-sector organizations across over 90 countries. Under his leadership, Nintex built out the company's AI-centric, agentic business orchestration platform, reflecting his track record of scaling global businesses, driving product innovation, and delivering through a strong partner-led ecosystem. Prior to that, he was President and Chief Operating Officer of Avalara (NYSE:AVLR), where he helped grow the business by over 250% over the course of four years. Avalara was acquired by Vista Equity Partners in 2022 for $8.4 billion.

Mr. Burkland said, "I'm thrilled to welcome Amit as the next CEO of Five9. His deep expertise in product innovation, AI, and operational excellence at scale makes him ideally suited to lead the Company into its next chapter. As we advance our AI-driven CX strategy, we believe Amit will help lead Five9 to even greater success by furthering our efforts to accelerate growth and deliver meaningful value for our customers, partners, employees, and shareholders. He will lead our efforts to capture greater share in an expanding market, where Five9 is uniquely positioned to win as enterprises increasingly seek unified CX platforms with natively embedded AI. I am confident in Amit's leadership and proud to pass him the Five9 baton."

Mr. Mathradas' selection follows a thorough search process during which the Board carefully evaluated numerous candidates. These candidates were identified through a search conducted by a nationally recognized executive recruitment firm, overseen by a committee of independent directors.

Mr. Mathradas said, "I am excited to lead such a dynamic company that I have long admired as being at the cutting edge of the industry. Five9 has tremendous opportunities ahead, and I look forward to working with the Board, the rest of the management team, and our employees to execute our strategy to drive growth, increase profitability, and deliver long-term shareholder value. I would like to thank Mike and the Five9 Board for placing their trust in me for this role."

Robert Zollars, Lead Independent Director of Five9, said, "The entire Board is grateful for Mike's nearly 18 years of dedication to Five9. Mike led Five9 through several significant milestones, including growing annual revenue from $10 million to over $1 billion. We look forward to a seamless transition as Amit works with Mike and the Board to take Five9 to even greater heights."

The Company intends to hold an investor day in 2026 to provide additional detail on its strategy and long-term financial outlook.

Amit Mathradas Biography

Amit Mathradas is an accomplished senior executive in the commercial technology sector with more than two decades of experience leading growth and transformation at global companies. He is also a recognized thought leader who regularly publishes insights on digital transformation, intelligent automation, and the strategic application of AI in business. Mr. Mathradas recently served as Chief Executive Officer of Nintex, an AI-centric, agentic business orchestration platform company, where he led the organization's overall strategy, operations, and execution.

Prior to Nintex, Mr. Mathradas was President and Chief Operating Officer at Avalara, a tax compliance automation company, where he oversaw day-to-day operations and helped scale the business from approximately $300 million to approaching $1 billion in revenue before it was acquired by Vista Equity Partners for $8.4 billion.

Earlier in his career, Mr. Mathradas led and grew global teams at PayPal, Web.com, and Dell. He holds an MBA from Northwestern University's Kellogg School of Management and a bachelor's degree in management and economics from Wittenberg University.

About Five9

Five9 empowers organizations to create hyper-personalized and effortless AI-driven customer experiences that deliver better business outcomes. Powered by Five9 Genius AI, the Five9 Intelligent CX Platform is trusted by 3,000+ customers and 1,400+ partners globally. The New CX starts here, and it's at the heart of every winning experience. For more information, visit www.five9.com.

Engage with us @Five9, LinkedIn, Facebook, Blog

FORWARD LOOKING STATEMENTS

This news release contains certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including the statements in the quote from our Chairman and Chief Executive Officer, Lead Independent Director and Mr. Mathradas, statements regarding Five9's market opportunity, share and growth prospects, including as a result of AI, Five9's value proposition to its customers, employees and shareholders, shifts in the CX industry, including customer preferences for unified platforms where AI is natively embedded, Five9's ability to deliver growth and increased profitability and the expected smooth transition to Mr. Mathradas' leadership, that are based on our current expectations and involve numerous risks and uncertainties that may cause these forward-looking statements to be inaccurate. Risks that may cause these forward-looking statements to be inaccurate include, among others: (i) the impact of adverse economic conditions, including the impact of macroeconomic challenges, global tariff increases and potential future increases and announcements regarding same, continued inflation, uncertainty regarding consumer spending, high interest rates, fluctuations in currency rates, the impact of the Russia-Ukraine conflict, the impact of the conflicts in the Middle East, and other factors, may continue to harm our business; (ii) if we are unable to attract new customers or sell additional services and functionality to our existing customers, our revenue and revenue growth will be harmed; (iii) if our existing customers terminate their subscriptions or reduce their subscriptions and related usage, or fail to grow subscriptions at the rate they have in the past or that we might expect, our revenues and gross margins will be harmed and we will be required to spend more money to grow our customer base; (iv) because a significant percentage of our revenue is derived from existing customers, downturns or upturns in new sales will not be immediately reflected in our operating results and may be difficult to discern; (v) if we fail to manage our technical operations infrastructure, our existing customers may experience service outages, our new customers may experience delays in the deployment of our solution and we could be subject to claims for credits or damages, among other things; (vi) if we are unable to attract and retain highly skilled leaders and other employees, our business and results of operations may be harmed; (vii) as AI solutions will likely perform an increasing proportion of contact center interactions, if we are unable to replace decreases in subscription revenue from licenses with revenue from the sale of additional AI solutions, our revenue, results of operations and business will be harmed; (viii) further development of our AI solutions may not be successful and may result in reputational harm and our future operating results could be materially harmed; (ix) the AI technology and features incorporated into our solution include new and evolving technologies that may present both legal and business risks; (x) we have established, and are continuing to increase, our network of technology solution distributors and resellers to sell our solution; our failure to effectively develop, manage, and maintain this network could materially harm our revenues; (xi) our quarterly and annual results may fluctuate significantly, including as a result of the timing and success of new product and feature introductions by us, may not fully reflect the underlying performance of our business and may result in decreases in the price of our common stock; (xii) our historical growth may not be indicative of our future growth, and even if we continue to grow rapidly, we may fail to manage our growth effectively; (xiii) failure to adequately retain and expand our sales force will impede our growth; (xiv) the use of AI by our workforce may present risks to our business; (xv) the contact center software solutions market is subject to rapid technological change, and we must develop and sell incremental and new solutions in order to maintain and grow our business; (xvi) our growth depends in part on the success of our strategic relationships with third parties and our failure to successfully maintain, grow and manage these relationships could harm our business; (xvii) the markets in which we participate involve a high number of competitors that is continuing to increase, and if we do not compete effectively, our operating results could be harmed; (xviii) we continue to expand our international operations, which exposes us to significant macroeconomic and other risks; (xix) security breaches, cybersecurity incidents, and improper access to, use of, or disclosure of our data or our customers' data, or other cyber-attacks on our systems, could result in litigation and regulatory risk, harm our reputation, our business or financial results; (xx) we may acquire other companies, or technologies, or be the target of strategic transactions, or be impacted by transactions by other companies, which could divert our management's attention, result in additional dilution to our stockholders or use a significant amount of our cash resources and otherwise disrupt our operations and harm our operating results; (xxi) we sell our solution to larger organizations that require longer sales and implementation cycles and often demand more configuration and integration services or customized features and functions that we may not offer, any of which could delay or prevent these sales and harm our growth rates, business and operating results; (xxii) we rely on third-party telecommunications and internet service providers to provide our customers and their customers with telecommunication services and connectivity to our cloud contact center software and any failure by these service providers to provide reliable services could cause us to lose customers and subject us to claims for credits or damages, among other things; (xxiii) we have a history of losses and we may be unable to achieve or sustain profitability; (xxiv) our stock price has been volatile, may continue to be volatile and may decline, including due to factors beyond our control; (xxv) we may not be able to secure additional financing on favorable terms, or at all, to meet our future capital needs; (xxvi) failure to comply with laws and regulations could harm our business and our reputation; (xxvii) we may not have sufficient cash to service our convertible senior notes and repay such notes, if required, and other risks attendant to our convertible senior notes and increased debt levels; (xxviii) risk that Mr. Mathradas does not commence employment or board service with us when expected or at all; and (xxix) the other risks detailed from time-to-time under the caption "Risk Factors" and elsewhere in our Securities and Exchange Commission filings and reports, including, but not limited to, our most recent annual report on Form 10-K and quarterly reports on Form 10-Q. Such forward-looking statements speak only as of the date hereof and readers should not unduly rely on such statements. We undertake no obligation to update the information contained in this press release, including in any forward-looking statements.

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Investor Contact:

Tony Righetti

SVP, Investor Relations

IR@five9.com

Media Contact:

Five9@Longacresquare.com

Five9 Appoints Amit Mathradas as Next Chief Executive Officer