Intermedia IPO Presentation Deck

Massive, Underpenetrated Market Opportunity that We Are Ideally Positioned to Address Through NEC Partnership Intermedia's Products Sold to On-Prem Installed Base of Estimated -80M Global Users Non-UCaaS Installed Base of Business Telephone Users Underpenetrated Global UCaaS Opportunity +800M Incremental Information Workers Globally Not Using Business Telephony¹ 2. -445M Business telephony users globally² 105M Cloud-based business telephony users³ INTERMEDIA 14M UCaaS Users¹ Other DO Mitel CISCO Atos NEC AVAYA Sources: Forrester, New Technologies Create The Need To Design For New Categories of information Workers, September 27, 2019; Gartner, Forecast Livified Communications Worldwide, 2017-2024, 3020 Update (October 2020), Synergy Research Group December 16,2020, Company Reports information workers defined by source (Forrester) as employees who are employed at least 30 hours per week and use a communication device for at least one hour in a typical workday Alcatel-Lucent Based on Gartner estimates Cloud-based telephony defined by source (Gartner) as enterprise-grade telephony that is owned, delivered and managed remotely by a third-party provider. The infrastructure is shared, multitenant or virtualized, and is consumed in a one-to-many model Per Synergy Research Group, Microsoft and Zoom Help to Drive Increased UCaaS Market Growth Rate, December 16, 2020 CONFIDENTIAL 9

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