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The following is a presentation for use by Crescent Acquisition Corp and LiveVox Holdings, Inc. in connection with their proposed business combination:

INVESTOR PRESENTATION June 2021 1INVESTOR PRESENTATION June 2021 1

Disclaimer This Investor Presentation (this “Presentation”) has been prepared by LiveVox Holdings, Inc. and its affiliates (collectively, “LiveVox” or “Company”) and Crescent Acquisition Corp (“Crescent”) in connection with a proposed business combination involving Crescent and LiveVox as further described herein (the “Transaction”). This Presentation is for informational purposes only and does not constitute an offer or invitation for the sale or purchase of securities, assets or the business described herein or a commitment to Crescent or LiveVox with respect to any of the foregoing, and this Presentation shall not form the basis of any contract, nor is it a solicitation of any vote, consent, or approval in any jurisdiction pursuant to or in connection with the Transaction or otherwise, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in contravention of applicable law. The terms we , us' and our in this Presentation refer to LiveVox or Crescent, depending on the context. This Presentation contains certain forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. These statements may be made directly in this Presentation. Some of the forward-looking statements can be identified by the use of forward-looking words. Statements that are not historical in nature, including the words “anticipate,” “expect,” “suggests,” “plan,” “believe,” “intend,” “estimates,” “targets,” “projects,” “should,” “could,” “would,” “may,” “will,” “forecast” and other similar expressions are intended to identify forward-looking statements. All forward-looking statements and projections set forth in this Presentation are based upon management estimates and forecasts and reflect the views, assumptions, expectations, and opinions of Crescent or LiveVox, as the case may be, as of the date of this Presentation, and may include, without limitation, changes in general economic conditions, including as a result of the COVID-19 pandemic, all of which are accordingly subject to change. Any such estimates, assumptions, expectations, forecasts, views or opinions set forth in this Presentation constitute Crescent’s or LiveVox’s, as the case may be, judgments and should be regarded as indicative, preliminary and for illustrative purposes only. The forward-looking statements and projections contained in this Presentation are subject to a number of factors, risks and uncertainties, some of which are not currently known to Crescent or LiveVox, that may cause Crescent’s or LiveVox’s actual results, performance or financial condition to be materially different from the expectations of future results, performance of financial condition. Although such forward-looking statements and projections have been made in good faith and are based on assumptions that Crescent or LiveVox, as the case may be, believe to be reasonable, there is no assurance that the expected results will be achieved. Crescent’s and LiveVox’s actual results may differ materially from the results discussed in forward-looking statements. Additional information on factors that may cause actual results and Crescent’s performance to differ materially is included in Crescent’s reports filed with the Securities and Exchange Commission (“SEC”), including but not limited to Crescent’s definitive proxy statement on Schedule 14A relating to the Transaction (the “Proxy”) and Amendment No. 1 to Crescent's annual report on Form 10-K/A for the year ended December 31, 2020. Additional information on factors that may cause actual results and LiveVox’s performance to differ materially is included in the Proxy. Copies of Crescent’s filings with the SEC are available publicly on the SEC’s website at www.sec.gov or may be obtained by contacting Crescent. Readers are cautioned not to place undue reliance upon any forward-looking statements, which speak only as of the date made. These forward-looking statements are made only as of the date hereof, and neither Crescent nor LiveVox undertake any obligations to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. Certain metrics included in this Presentation are presented on a pro forma basis to include results of acquired businesses as if such acquisitions had been completed as of January 1 of the applicable year of the acquisition. In addition, this Presentation includes references to non-GAAP financial measures, including but not limited to Gross Margin and EBITDA, please see appendix for a reconciliation of non-GAAP financial measures. Such non-GAAP measures should be considered only as supplemental to, and not as superior to, financial measures prepared in accordance with GAAP. Additionally, to the extent that forward-looking non-GAAP financial measures are provided, they are presented on a non-GAAP basis without reconciliations of such forward-looking non-GAAP measures due to the inherent difficulty in forecasting and quantifying certain amounts that are necessary for such reconciliation. Neither Crescent nor LiveVox nor any of their respective directors, officers, employees, advisors, representatives or agents makes any representation or warranty of any kind, express or implied, as to the value that may be realized in connection with the Transaction, the legal, regulatory, tax, financial, accounting or other effects of a Transaction or the accuracy or completeness of the information contained in this Presentation, and none of them shall have any liability based on or arising from, in whole or in part, any information contained in, or omitted from, this Presentation or for any other written or oral communication transmitted to any person or entity in the course of its evaluation of the Transaction. Only those representations and warranties that are expressly made in a definitive written agreement with respect to the Transaction, if executed, and subject to the limitations and restrictions specified therein, shall have any legal effect. This Presentation contains information derived from third party sources, including research, surveys or studies conducted by third parties, information provided by customers and/or industry or general publications. While we believe that such third party information is reliable, we have not independently verified, and make no representation as to the accuracy of, such third party information. This Presentation contains financial forecasts. These projections are for illustrative purposes only and should not be relied upon as being necessarily indicative of future results. Inclusion of the prospective financial information in this presentation should not be regarded as a representation by any person that the results contained in the prospective financial information will be achieved. LTV is calculated as subscription gross margin divided by gross churn. CAC is calculated as trailing twelve months S&M expense divided by quarter 0 subscription revenue annualized less quarter 4 subscription revenue annualized. This Presentation contains references to trademarks and service marks belonging to other entities. Solely for convenience, trademarks and trade names referred to in this presentation may appear without the ® or ™ symbols, but such references are not intended to indicate, in any way, that the applicable licensor will not assert, to the fullest extent under applicable law, its rights to these trademarks and trade names. We do not intend our use or display of other companies’ trade names, trademarks or service marks to imply a relationship with, or endorsement or sponsorship of us by, any other companies. Important Information about the Transaction and Where to Find It This Presentation may be deemed solicitation material in respect of the Transaction. The Transaction will be submitted to the stockholders of Crescent for their approval. In connection with such stockholder vote, Crescent has filed the Proxy with the SEC and is mailing the Proxy to its stockholders as of the established record date in connection with Crescent’s solicitation of proxies for the special meeting of the stockholders of Crescent to be held to approve the Transaction. This Presentation does not contain all the information that should be considered concerning the proposed Transaction and the other matters to be voted upon at the annual meeting and is not intended to provide the basis for any investment decision or any other decision in respect of such matters. Crescent’s stockholders and other interested parties are urged to read the Proxy and any other relevant documents that are filed or furnished or will be filed or will be furnished with the SEC carefully and in their entirety in connection with Crescent’s solicitation of proxies for the annual meeting to be held to approve the Transaction and other related matters, as these materials will contain important information about LiveVox and Crescent and the proposed Transaction. Copies of the Proxy can be obtained, without charge, at the SEC’s website at http://ww.sec.gov, at Crescent’s website at http://www.crescentspac.com or by directing a request to Crescent Acquisition Corp, 11100 Santa Monica Blvd., Suite 2000, Los Angeles, CA 90025. Participants in the Solicitation Crescent and LiveVox, and their respective directors and executive officers, may be deemed participants in the solicitation of proxies of Crescent’s stockholders in respect of the Transaction. Information about the directors and executive officers of Crescent and the directors and executive officers of LiveVox and more detailed information regarding the identity of all potential participants, and their direct and indirect interests, by security holdings or otherwise, is set forth in the Proxy. Additional information regarding the identity of all potential participants in the solicitation of proxies to Crescent stockholders in connection with the proposed Transaction and other matters to be voted upon at the special meeting, and their direct and indirect interests, by security holdings or otherwise, is included in the Proxy. Investors may obtain such information by reading the Proxy. 2Disclaimer This Investor Presentation (this “Presentation”) has been prepared by LiveVox Holdings, Inc. and its affiliates (collectively, “LiveVox” or “Company”) and Crescent Acquisition Corp (“Crescent”) in connection with a proposed business combination involving Crescent and LiveVox as further described herein (the “Transaction”). This Presentation is for informational purposes only and does not constitute an offer or invitation for the sale or purchase of securities, assets or the business described herein or a commitment to Crescent or LiveVox with respect to any of the foregoing, and this Presentation shall not form the basis of any contract, nor is it a solicitation of any vote, consent, or approval in any jurisdiction pursuant to or in connection with the Transaction or otherwise, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in contravention of applicable law. The terms we , us' and our in this Presentation refer to LiveVox or Crescent, depending on the context. This Presentation contains certain forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. These statements may be made directly in this Presentation. Some of the forward-looking statements can be identified by the use of forward-looking words. Statements that are not historical in nature, including the words “anticipate,” “expect,” “suggests,” “plan,” “believe,” “intend,” “estimates,” “targets,” “projects,” “should,” “could,” “would,” “may,” “will,” “forecast” and other similar expressions are intended to identify forward-looking statements. All forward-looking statements and projections set forth in this Presentation are based upon management estimates and forecasts and reflect the views, assumptions, expectations, and opinions of Crescent or LiveVox, as the case may be, as of the date of this Presentation, and may include, without limitation, changes in general economic conditions, including as a result of the COVID-19 pandemic, all of which are accordingly subject to change. Any such estimates, assumptions, expectations, forecasts, views or opinions set forth in this Presentation constitute Crescent’s or LiveVox’s, as the case may be, judgments and should be regarded as indicative, preliminary and for illustrative purposes only. The forward-looking statements and projections contained in this Presentation are subject to a number of factors, risks and uncertainties, some of which are not currently known to Crescent or LiveVox, that may cause Crescent’s or LiveVox’s actual results, performance or financial condition to be materially different from the expectations of future results, performance of financial condition. Although such forward-looking statements and projections have been made in good faith and are based on assumptions that Crescent or LiveVox, as the case may be, believe to be reasonable, there is no assurance that the expected results will be achieved. Crescent’s and LiveVox’s actual results may differ materially from the results discussed in forward-looking statements. Additional information on factors that may cause actual results and Crescent’s performance to differ materially is included in Crescent’s reports filed with the Securities and Exchange Commission (“SEC”), including but not limited to Crescent’s definitive proxy statement on Schedule 14A relating to the Transaction (the “Proxy”) and Amendment No. 1 to Crescent's annual report on Form 10-K/A for the year ended December 31, 2020. Additional information on factors that may cause actual results and LiveVox’s performance to differ materially is included in the Proxy. Copies of Crescent’s filings with the SEC are available publicly on the SEC’s website at www.sec.gov or may be obtained by contacting Crescent. Readers are cautioned not to place undue reliance upon any forward-looking statements, which speak only as of the date made. These forward-looking statements are made only as of the date hereof, and neither Crescent nor LiveVox undertake any obligations to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. Certain metrics included in this Presentation are presented on a pro forma basis to include results of acquired businesses as if such acquisitions had been completed as of January 1 of the applicable year of the acquisition. In addition, this Presentation includes references to non-GAAP financial measures, including but not limited to Gross Margin and EBITDA, please see appendix for a reconciliation of non-GAAP financial measures. Such non-GAAP measures should be considered only as supplemental to, and not as superior to, financial measures prepared in accordance with GAAP. Additionally, to the extent that forward-looking non-GAAP financial measures are provided, they are presented on a non-GAAP basis without reconciliations of such forward-looking non-GAAP measures due to the inherent difficulty in forecasting and quantifying certain amounts that are necessary for such reconciliation. Neither Crescent nor LiveVox nor any of their respective directors, officers, employees, advisors, representatives or agents makes any representation or warranty of any kind, express or implied, as to the value that may be realized in connection with the Transaction, the legal, regulatory, tax, financial, accounting or other effects of a Transaction or the accuracy or completeness of the information contained in this Presentation, and none of them shall have any liability based on or arising from, in whole or in part, any information contained in, or omitted from, this Presentation or for any other written or oral communication transmitted to any person or entity in the course of its evaluation of the Transaction. Only those representations and warranties that are expressly made in a definitive written agreement with respect to the Transaction, if executed, and subject to the limitations and restrictions specified therein, shall have any legal effect. This Presentation contains information derived from third party sources, including research, surveys or studies conducted by third parties, information provided by customers and/or industry or general publications. While we believe that such third party information is reliable, we have not independently verified, and make no representation as to the accuracy of, such third party information. This Presentation contains financial forecasts. These projections are for illustrative purposes only and should not be relied upon as being necessarily indicative of future results. Inclusion of the prospective financial information in this presentation should not be regarded as a representation by any person that the results contained in the prospective financial information will be achieved. LTV is calculated as subscription gross margin divided by gross churn. CAC is calculated as trailing twelve months S&M expense divided by quarter 0 subscription revenue annualized less quarter 4 subscription revenue annualized. This Presentation contains references to trademarks and service marks belonging to other entities. Solely for convenience, trademarks and trade names referred to in this presentation may appear without the ® or ™ symbols, but such references are not intended to indicate, in any way, that the applicable licensor will not assert, to the fullest extent under applicable law, its rights to these trademarks and trade names. We do not intend our use or display of other companies’ trade names, trademarks or service marks to imply a relationship with, or endorsement or sponsorship of us by, any other companies. Important Information about the Transaction and Where to Find It This Presentation may be deemed solicitation material in respect of the Transaction. The Transaction will be submitted to the stockholders of Crescent for their approval. In connection with such stockholder vote, Crescent has filed the Proxy with the SEC and is mailing the Proxy to its stockholders as of the established record date in connection with Crescent’s solicitation of proxies for the special meeting of the stockholders of Crescent to be held to approve the Transaction. This Presentation does not contain all the information that should be considered concerning the proposed Transaction and the other matters to be voted upon at the annual meeting and is not intended to provide the basis for any investment decision or any other decision in respect of such matters. Crescent’s stockholders and other interested parties are urged to read the Proxy and any other relevant documents that are filed or furnished or will be filed or will be furnished with the SEC carefully and in their entirety in connection with Crescent’s solicitation of proxies for the annual meeting to be held to approve the Transaction and other related matters, as these materials will contain important information about LiveVox and Crescent and the proposed Transaction. Copies of the Proxy can be obtained, without charge, at the SEC’s website at http://ww.sec.gov, at Crescent’s website at http://www.crescentspac.com or by directing a request to Crescent Acquisition Corp, 11100 Santa Monica Blvd., Suite 2000, Los Angeles, CA 90025. Participants in the Solicitation Crescent and LiveVox, and their respective directors and executive officers, may be deemed participants in the solicitation of proxies of Crescent’s stockholders in respect of the Transaction. Information about the directors and executive officers of Crescent and the directors and executive officers of LiveVox and more detailed information regarding the identity of all potential participants, and their direct and indirect interests, by security holdings or otherwise, is set forth in the Proxy. Additional information regarding the identity of all potential participants in the solicitation of proxies to Crescent stockholders in connection with the proposed Transaction and other matters to be voted upon at the special meeting, and their direct and indirect interests, by security holdings or otherwise, is included in the Proxy. Investors may obtain such information by reading the Proxy. 2

Transaction Overview Pro Forma Valuation | ($ in millions) Cash Sources & Uses | ($ in millions) Illustrative Share Price $ 10.00 Cash from Trust $ 250 Forward Purchase Agreement (“FPA”) 25 (x) Pro Forma Shares Outstanding 89.6 PIPE 75 Pro Forma Equity Value $ 896 Total Cash Sources $ 350 Less Pro Forma Net Cash $ (56) Cash to Balance Sheet $ 100 Cash to Existing Shareholders 220 Pro Forma Enterprise Value $ 840 Illustrative Transaction Fees 30 Total Cash Uses $ 350 EV / 2021E Revenue: 6.5x Valuation Multiples EV / 2022E Revenue: 5.2x Pro Forma Ownership FPA 3% § Enterprise value of $840 million PIPE 8% § Existing shareholders of LiveVox expected to continue to own 59% of LiveVox SPAC Existing Shareholders Shareholders 30% 59% Shareholder Vote Scheduled for June 16 Note: Excludes impact of (i) 13.3 million warrants from Crescent’s public offering and FPA, and (ii) earnout shares. All private placement warrants (7.0 million) forfeited for no consideration. All warrants are struck at $11.50 per share. Sponsor to continue to hold 25% of sponsor shares, with 75% subject to earnout. Sponsor shares included as part of SPAC shareholders. Existing LiveVox shareholders to receive 5.0 million incremental shares subject to earnout. All earnout shares vested ratably at $12.50, $15.00 and $17.50 per share. Pro forma net cash as of 12/31/20. Pro forma ownership assumes no redemptions by Crescent’s existing shareholders, however, there can be no assurance regarding how many redemptions will actually occur. 3Transaction Overview Pro Forma Valuation | ($ in millions) Cash Sources & Uses | ($ in millions) Illustrative Share Price $ 10.00 Cash from Trust $ 250 Forward Purchase Agreement (“FPA”) 25 (x) Pro Forma Shares Outstanding 89.6 PIPE 75 Pro Forma Equity Value $ 896 Total Cash Sources $ 350 Less Pro Forma Net Cash $ (56) Cash to Balance Sheet $ 100 Cash to Existing Shareholders 220 Pro Forma Enterprise Value $ 840 Illustrative Transaction Fees 30 Total Cash Uses $ 350 EV / 2021E Revenue: 6.5x Valuation Multiples EV / 2022E Revenue: 5.2x Pro Forma Ownership FPA 3% § Enterprise value of $840 million PIPE 8% § Existing shareholders of LiveVox expected to continue to own 59% of LiveVox SPAC Existing Shareholders Shareholders 30% 59% Shareholder Vote Scheduled for June 16 Note: Excludes impact of (i) 13.3 million warrants from Crescent’s public offering and FPA, and (ii) earnout shares. All private placement warrants (7.0 million) forfeited for no consideration. All warrants are struck at $11.50 per share. Sponsor to continue to hold 25% of sponsor shares, with 75% subject to earnout. Sponsor shares included as part of SPAC shareholders. Existing LiveVox shareholders to receive 5.0 million incremental shares subject to earnout. All earnout shares vested ratably at $12.50, $15.00 and $17.50 per share. Pro forma net cash as of 12/31/20. Pro forma ownership assumes no redemptions by Crescent’s existing shareholders, however, there can be no assurance regarding how many redemptions will actually occur. 3

Investment Thesis ¢ Secular shift to underpenetrated cloud Massive Contact CCaaS providers $27 Billion $83 Billion Center Software ¢ Automation of manual labor spend TAM Current 2030+ Estimate Market Rapidly ¢ Market evolving from voice-centric to Moving to Cloud Omnichannel, analytics and AI ¢ Native Contact Center CRM sets LiveVox apart from peers 115% 7.0x Differentiated ¢ Easy to integrate and low cost KPIs 4 Year Average 4 Year Average Product Strategy 1 1 ¢ Strong compliance capabilities Net Retention LTV to CAC ¢ Attractive operating KPIs and NPS ¢ Proven land and expand growth strategy ~2x Existing ~10x Product Customer ¢ Considerable whitespace within Seat Count Multiple Levers Whitespace Expansion existing customers Opportunity for Growth Opportunity ¢ Accelerating investment in sales & marketing behind leading unit 2 economics EV / 2021E Revenue Growth Adjusted EV / 2021E Revenue ¢ LiveVox is priced at a significant 22.9x discount to our closest competitor in 1.0x Five9 and benchmark SaaS peers 13.8x Compelling 0.7x ¢ Predictable, recurring revenue Initial Valuation 6.5x 0.2x business model Peer Peer LiveVox Five9 LiveVox Five9 (1) Represents average from 2017-2020. Group Group (2) Growth adjusted by dividing by 2020A to 2022E Revenue CAGR. Source: Magellan Solutions Call Center Benchmarking Report, McKinsey. 4Investment Thesis ¢ Secular shift to underpenetrated cloud Massive Contact CCaaS providers $27 Billion $83 Billion Center Software ¢ Automation of manual labor spend TAM Current 2030+ Estimate Market Rapidly ¢ Market evolving from voice-centric to Moving to Cloud Omnichannel, analytics and AI ¢ Native Contact Center CRM sets LiveVox apart from peers 115% 7.0x Differentiated ¢ Easy to integrate and low cost KPIs 4 Year Average 4 Year Average Product Strategy 1 1 ¢ Strong compliance capabilities Net Retention LTV to CAC ¢ Attractive operating KPIs and NPS ¢ Proven land and expand growth strategy ~2x Existing ~10x Product Customer ¢ Considerable whitespace within Seat Count Multiple Levers Whitespace Expansion existing customers Opportunity for Growth Opportunity ¢ Accelerating investment in sales & marketing behind leading unit 2 economics EV / 2021E Revenue Growth Adjusted EV / 2021E Revenue ¢ LiveVox is priced at a significant 22.9x discount to our closest competitor in 1.0x Five9 and benchmark SaaS peers 13.8x Compelling 0.7x ¢ Predictable, recurring revenue Initial Valuation 6.5x 0.2x business model Peer Peer LiveVox Five9 LiveVox Five9 (1) Represents average from 2017-2020. Group Group (2) Growth adjusted by dividing by 2020A to 2022E Revenue CAGR. Source: Magellan Solutions Call Center Benchmarking Report, McKinsey. 4

Transaction Rationale 2014 Golden Gate Acquisition Today o Voice: Inbound / Outbound o Cloud-Based Outbound Product o Omnichannel Functionality o Contact Center CRM/WFO o AI o Customer Care o Accounts Receivables o Tele-sales Management o Accounts Receivable Management (ARM) Use Cases o Blended inbound/outbound customer interactions o Collections Agencies o BPO Target o Enterprise Customers o Fortune 1000 Financial Institutions $1B $19B Served TAM (% of ~$27B TAM) (4% of TAM) (70% of TAM) Revenue Growth 11% 20%+ 1 Net Retention 88% 115% (Average) LiveVox’s product investments have evolved the platform from a cloud-based dialer to a full-suite offering, expanding its Served TAM ~20x since Golden Gate’s investment Source: Magellan Solutions Call Center Benchmarking Report, McKinsey. (1) Represents average of 2017-2020. 5Transaction Rationale 2014 Golden Gate Acquisition Today o Voice: Inbound / Outbound o Cloud-Based Outbound Product o Omnichannel Functionality o Contact Center CRM/WFO o AI o Customer Care o Accounts Receivables o Tele-sales Management o Accounts Receivable Management (ARM) Use Cases o Blended inbound/outbound customer interactions o Collections Agencies o BPO Target o Enterprise Customers o Fortune 1000 Financial Institutions $1B $19B Served TAM (% of ~$27B TAM) (4% of TAM) (70% of TAM) Revenue Growth 11% 20%+ 1 Net Retention 88% 115% (Average) LiveVox’s product investments have evolved the platform from a cloud-based dialer to a full-suite offering, expanding its Served TAM ~20x since Golden Gate’s investment Source: Magellan Solutions Call Center Benchmarking Report, McKinsey. (1) Represents average of 2017-2020. 5

CCaaS 2.0 Platform is Easy to Deploy and Translates into Lower Total Cost of Ownership for Customers Existing LiveVox LiveVox’s platform integrates solutions Omnichannel, Contact Center CRM, Pre-configured WFO and AI in a single pane of glass integrations ü “Cloud from the beginning”: 100% multi-tenant platform with a modern user experience ü Scalable architecture to support enterprise-grade deployments Omnichannel/AI (with some customers over 3,000 concurrent seats) ü Voice, Omnichannel and AI are integrated and enable consistent platform-wide reporting and Modern Modern analysis Contact WFO ü Contact Center CRM acts as a Center data integration tool that CRM complements existing solutions (e.g. Salesforce) or can be deployed standalone ü Pre-configured features and functionality reduce cost and time to value for customers 6CCaaS 2.0 Platform is Easy to Deploy and Translates into Lower Total Cost of Ownership for Customers Existing LiveVox LiveVox’s platform integrates solutions Omnichannel, Contact Center CRM, Pre-configured WFO and AI in a single pane of glass integrations ü “Cloud from the beginning”: 100% multi-tenant platform with a modern user experience ü Scalable architecture to support enterprise-grade deployments Omnichannel/AI (with some customers over 3,000 concurrent seats) ü Voice, Omnichannel and AI are integrated and enable consistent platform-wide reporting and Modern Modern analysis Contact WFO ü Contact Center CRM acts as a Center data integration tool that CRM complements existing solutions (e.g. Salesforce) or can be deployed standalone ü Pre-configured features and functionality reduce cost and time to value for customers 6

Our Differentiated Approach to CRM Allows Customers to Unify Disparate Systems-of-Record at the Lowest TCO Salesforce is ~20% of the CRM market, however Integrating multiple CRMs is a complex project for IT departments but LiveVox’s native ~80% of enterprises use multiple systems of CRM unifies disparate, department-level systems of record to present a single view to record, which means that only 4% of the market the agent, without replacing existing CRMs; we provide great customer experience at uses Salesforce exclusively the lowest TCO $48B $10B 100% 90% 80% 70% Multiple 60% Other CRMs Systems 50% of Record 40% 30% 20% Salesforce 10% Salesforce Exclusive 0% CRM Market Salesforce Customers Other Vertical Specific Only 4% of Market Customer Systems of Record Salesforce Exclusive REPRESENTATIVE CRM INTEGRATIONS Source: Gartner; Company Survey Data. 7Our Differentiated Approach to CRM Allows Customers to Unify Disparate Systems-of-Record at the Lowest TCO Salesforce is ~20% of the CRM market, however Integrating multiple CRMs is a complex project for IT departments but LiveVox’s native ~80% of enterprises use multiple systems of CRM unifies disparate, department-level systems of record to present a single view to record, which means that only 4% of the market the agent, without replacing existing CRMs; we provide great customer experience at uses Salesforce exclusively the lowest TCO $48B $10B 100% 90% 80% 70% Multiple 60% Other CRMs Systems 50% of Record 40% 30% 20% Salesforce 10% Salesforce Exclusive 0% CRM Market Salesforce Customers Other Vertical Specific Only 4% of Market Customer Systems of Record Salesforce Exclusive REPRESENTATIVE CRM INTEGRATIONS Source: Gartner; Company Survey Data. 7

LiveVox’s Differentiated Platform Makes It Easy to Deploy Pre-Integrated AI Chatbots Virtual Agents Workflow Management Analytics Agent Assistance Traditional CCaaS Vendors AI configured with LiveVox CRM out of the box Bespoke integration with disparate Contact leads to a highly scalable implementation Implementation Center CRM ecosystem required at each process Process deployment Optimization AI optimized with LiveVox utilizing pre- Labor intensive through addition of complex integrated data sets and combination of Process integration and custom code consumer & operational outcomes Estimated Average $50K over 3 weeks with Client Managed $500K over 6 months Cost Optimization Source: LiveVox Customer Interviews; LiveVox Survey data. 8LiveVox’s Differentiated Platform Makes It Easy to Deploy Pre-Integrated AI Chatbots Virtual Agents Workflow Management Analytics Agent Assistance Traditional CCaaS Vendors AI configured with LiveVox CRM out of the box Bespoke integration with disparate Contact leads to a highly scalable implementation Implementation Center CRM ecosystem required at each process Process deployment Optimization AI optimized with LiveVox utilizing pre- Labor intensive through addition of complex integrated data sets and combination of Process integration and custom code consumer & operational outcomes Estimated Average $50K over 3 weeks with Client Managed $500K over 6 months Cost Optimization Source: LiveVox Customer Interviews; LiveVox Survey data. 8

Why LiveVox Wins Account Competitors Why We Won üComplianceüIVR capabilities § Leading BanküReportingüReliability üTotal cost of ownership üSingle pane of glass § Leading FinTech üIntegrated dataüCompliance üSingle pane of glassüReliability § Leading Mortgage Provider üIntegrated dataüEase of useüCompliance § Large RetailerüSingle pane of glass üCompliance üSingle pane of glass üIntegrated data § Large Bank üCompliance üProduct flexibility üEase of use üTotal cost of ownership LiveVox Wins by Delivering Out-of-the-box Solutions to Complex Problems 9Why LiveVox Wins Account Competitors Why We Won üComplianceüIVR capabilities § Leading BanküReportingüReliability üTotal cost of ownership üSingle pane of glass § Leading FinTech üIntegrated dataüCompliance üSingle pane of glassüReliability § Leading Mortgage Provider üIntegrated dataüEase of useüCompliance § Large RetailerüSingle pane of glass üCompliance üSingle pane of glass üIntegrated data § Large Bank üCompliance üProduct flexibility üEase of use üTotal cost of ownership LiveVox Wins by Delivering Out-of-the-box Solutions to Complex Problems 9

Growth Strategy: Land & Expand Land New Logos Expand the Base Invest Behind an ~10x Seat Opportunity in Efficient Customer Existing Customer Base Acquisition Engine and 2x Product Opportunity 10Growth Strategy: Land & Expand Land New Logos Expand the Base Invest Behind an ~10x Seat Opportunity in Efficient Customer Existing Customer Base Acquisition Engine and 2x Product Opportunity 10

20x+ Whitespace Opportunity inside LiveVox’s Installed Base Within Existing Customer Base There is a Large Opportunity For…. Seat Expansion: ~10x Opportunity Product Expansion: ~2x Opportunity ~500k ~ $330 per agent /month ~2x ~ 10x ~ $180 per agent /month ~50k Existing Customer Total Seats within Existing ARPU Total ARPU Seats Existing Customers $ 2 Billion+ Whitespace Opportunity Source: Company estimates. 1120x+ Whitespace Opportunity inside LiveVox’s Installed Base Within Existing Customer Base There is a Large Opportunity For…. Seat Expansion: ~10x Opportunity Product Expansion: ~2x Opportunity ~500k ~ $330 per agent /month ~2x ~ 10x ~ $180 per agent /month ~50k Existing Customer Total Seats within Existing ARPU Total ARPU Seats Existing Customers $ 2 Billion+ Whitespace Opportunity Source: Company estimates. 11

Classic SaaS Selling Motion for Upsell and Cross-Sell Platform Features CPaaS (Cloud IVR) LiveVox provides clients with the ability to add desired modules LiveVox makes new to any part of their Contact Centers, giving flexibility feature activation easy and financial prudence to decisions for its customers 12Classic SaaS Selling Motion for Upsell and Cross-Sell Platform Features CPaaS (Cloud IVR) LiveVox provides clients with the ability to add desired modules LiveVox makes new to any part of their Contact Centers, giving flexibility feature activation easy and financial prudence to decisions for its customers 12

Accelerating Sales and Marketing Investment to Seize the Opportunity Ahead of LiveVox S&M Investment over Time Areas of Investment Marketing investment started in 2019 and accelerated in 2021 and 2022 § Net new Hunters and Farmers § Challenger methodology § AE productivity software § Lead-generating rep capacity and FY19A FY20A FY21E FY22E skill upgrade § Increased pay-per-click and social Quota Carrying Reps advertising Marketing investment set the stage to grow QCR § Incremental investment in branding in line with revenue § PR and industry analyst activity § Channel development FY19A FY20A FY21E FY22E 13Accelerating Sales and Marketing Investment to Seize the Opportunity Ahead of LiveVox S&M Investment over Time Areas of Investment Marketing investment started in 2019 and accelerated in 2021 and 2022 § Net new Hunters and Farmers § Challenger methodology § AE productivity software § Lead-generating rep capacity and FY19A FY20A FY21E FY22E skill upgrade § Increased pay-per-click and social Quota Carrying Reps advertising Marketing investment set the stage to grow QCR § Incremental investment in branding in line with revenue § PR and industry analyst activity § Channel development FY19A FY20A FY21E FY22E 13

Financials and Q1 2021 Business UpdateFinancials and Q1 2021 Business Update

Expected 25%+ Growth, with Strong Revenue Visibility Strong Projected Revenue Growth 95% Visibility into 2021E Revenue $ in millions $8mm Usage, $129 Million $163 $7mm New Seasonality & Opportunities COVID Recovery $129 Net of Churn and $6mm Booked Downsells Revenue $103 in Backlog $108mm Run-Rate Revenue Entering 2021E FY20A FY21E FY22E FY 21E Projected Revenue Expanding Gross Margin Re-Investing EBITDA in Growth $ in millions $ in millions % Margin % Margin 65% 66% 67% 8% 0% 2% Re-investing profits to drive incremental sales and gross profit growth $109 $85 $8 $67 $3 $0 FY20A FY21E FY22E F FY2 Y20A 0E F FY2 Y21E 1E F FY2 Y22E 2E 15Expected 25%+ Growth, with Strong Revenue Visibility Strong Projected Revenue Growth 95% Visibility into 2021E Revenue $ in millions $8mm Usage, $129 Million $163 $7mm New Seasonality & Opportunities COVID Recovery $129 Net of Churn and $6mm Booked Downsells Revenue $103 in Backlog $108mm Run-Rate Revenue Entering 2021E FY20A FY21E FY22E FY 21E Projected Revenue Expanding Gross Margin Re-Investing EBITDA in Growth $ in millions $ in millions % Margin % Margin 65% 66% 67% 8% 0% 2% Re-investing profits to drive incremental sales and gross profit growth $109 $85 $8 $67 $3 $0 FY20A FY21E FY22E F FY2 Y20A 0E F FY2 Y21E 1E F FY2 Y22E 2E 15

Business Update • Q1 Bookings Exceeded Plan: 119% Growth YoY and 107% of plan • Strong Execution on Expanding Go To Market Capacity: Marketing lead generation, sales team hiring, Q1 and channel partnership development efforts all tracking on or ahead of plan Update • Revenue on Plan: Q1 contracted revenue +23% YoY (102% of plan); usage rates remain below historical norms due to the pace of the COVID recovery • Reiterating Guidance: Revenue on track for $129 million for 2021 and $163 million for 2022 • Contracted Revenue is Accelerating: 25% contracted growth forecast for 2021, higher growth rate projected for contracted revenue in 2022 Outlook • Usage Expected to Normalize as COVID Fades: End of direct-to-consumer stimulus and collections forbearances along with a general return to normal economic activity (1) • Potential for Usage-Driven Upside to 2022 Plan: 1.4x usage multiplier assumed in revenue plan of $163 million (consistent with LTM COVID-Affected Period and less than 1.5x+ pre-COVID) • Adding High Quality, Independent Board Members: Leslie Campbell (Board member at Coupa and PetMed Express), Susan Morisato (Former President – Insurance Solutions, United Health Care) and Governance Kathleen Pai (Chief People Officer, SolarWinds / N-Able) and • Added Dedicated IR Professional: Alexis Waadt joined in April from Qualcomm and brings 20+ years of Leadership experience Shareholder Vote Scheduled for June 16 (1) Usage multiplier defined as total revenue divided by contracted revenue. 16Business Update • Q1 Bookings Exceeded Plan: 119% Growth YoY and 107% of plan • Strong Execution on Expanding Go To Market Capacity: Marketing lead generation, sales team hiring, Q1 and channel partnership development efforts all tracking on or ahead of plan Update • Revenue on Plan: Q1 contracted revenue +23% YoY (102% of plan); usage rates remain below historical norms due to the pace of the COVID recovery • Reiterating Guidance: Revenue on track for $129 million for 2021 and $163 million for 2022 • Contracted Revenue is Accelerating: 25% contracted growth forecast for 2021, higher growth rate projected for contracted revenue in 2022 Outlook • Usage Expected to Normalize as COVID Fades: End of direct-to-consumer stimulus and collections forbearances along with a general return to normal economic activity (1) • Potential for Usage-Driven Upside to 2022 Plan: 1.4x usage multiplier assumed in revenue plan of $163 million (consistent with LTM COVID-Affected Period and less than 1.5x+ pre-COVID) • Adding High Quality, Independent Board Members: Leslie Campbell (Board member at Coupa and PetMed Express), Susan Morisato (Former President – Insurance Solutions, United Health Care) and Governance Kathleen Pai (Chief People Officer, SolarWinds / N-Able) and • Added Dedicated IR Professional: Alexis Waadt joined in April from Qualcomm and brings 20+ years of Leadership experience Shareholder Vote Scheduled for June 16 (1) Usage multiplier defined as total revenue divided by contracted revenue. 16

Go To Market: Q1 ‘21 Bookings Ahead of Plan Key Sales Metrics Key Enablers Of Momentum Strong YoY 119% New Bookings • Accelerating demand for non-voice Growth Growth YoY and analytics products • Continued optimization of product capabilities and packaging Bookings 107% Bookings • Substantial go to market investment Ahead of Attainment Relative Plan To Plan Broad-based outperformance of Q1 ’21 bookings plan positions LiveVox well to achieve its 2021 contracted revenue plan 17Go To Market: Q1 ‘21 Bookings Ahead of Plan Key Sales Metrics Key Enablers Of Momentum Strong YoY 119% New Bookings • Accelerating demand for non-voice Growth Growth YoY and analytics products • Continued optimization of product capabilities and packaging Bookings 107% Bookings • Substantial go to market investment Ahead of Attainment Relative Plan To Plan Broad-based outperformance of Q1 ’21 bookings plan positions LiveVox well to achieve its 2021 contracted revenue plan 17

Go to Market: Key Initiatives Tracking Toward Plan Marketing: Direct Sales: Channel Sales: Lead Generation Ahead Significant Increase in Quota Strong Momentum With New of Plan Capacity Partners Q1 Marketing Qualified Leads (“MQLs”) YoY Growth in Quota Carrying Attainment Relative To Plan Headcount 4,500 sub-agents 3,000+ independent sales partners We have made significant progress against all KPIs required for us to achieve our 2021 and 2022 bookings plans 18Go to Market: Key Initiatives Tracking Toward Plan Marketing: Direct Sales: Channel Sales: Lead Generation Ahead Significant Increase in Quota Strong Momentum With New of Plan Capacity Partners Q1 Marketing Qualified Leads (“MQLs”) YoY Growth in Quota Carrying Attainment Relative To Plan Headcount 4,500 sub-agents 3,000+ independent sales partners We have made significant progress against all KPIs required for us to achieve our 2021 and 2022 bookings plans 18

Reminder: Two-Pronged Revenue Model Components Overview Key Metrics • Bookings Contracted revenue is a combination of (1) per-seat per month fees, and (2) Contracted minimum contracted usage billing that is Revenue (~2/3) billed regardless of consumption every month • Usage Multiplier (Total Revenue / Contracted Usage revenue is billed for customer Usage Revenue) consumption above their contracted Revenue minimum. Premium pricing applies to (~1/3) usage revenue. Usage component is a strategic selling tool for landing and expanding with clients Note: Usage includes immaterial amounts of other revenue including professional services. 19Reminder: Two-Pronged Revenue Model Components Overview Key Metrics • Bookings Contracted revenue is a combination of (1) per-seat per month fees, and (2) Contracted minimum contracted usage billing that is Revenue (~2/3) billed regardless of consumption every month • Usage Multiplier (Total Revenue / Contracted Usage revenue is billed for customer Usage Revenue) consumption above their contracted Revenue minimum. Premium pricing applies to (~1/3) usage revenue. Usage component is a strategic selling tool for landing and expanding with clients Note: Usage includes immaterial amounts of other revenue including professional services. 19

Revenue: Q1 Results on Plan Based on Strong Contracted Revenue Growth Q1 '21 Actual Q1 '21 Plan % ($ in millions) Growth Growth Of Plan YoY YoY $ $ Outperformance Contracted Revenue $ 20.8 23% $ 20.4 21% 102% on Contracted Usage Revenue $ 7.2 -25% $ 7.5 -22% 96% (+23% YoY) Total Revenue $ 27.9 5% $ 27.9 5% 100% Usage Multiplier 1.3x 1.4x • Repeated Stimulus: Collections activities were completed in record times given excess cash delivered to consumers, reducing overall platform usage COVID Driving Usage Below Historical • Collections Forbearances: Student loans and mortgages at the federal level; Levels private lenders have reduced collections activity in parallel We continue to deliver above plan contracted revenue and expect usage to return to historical levels as COVID abates and the economy returns to normal Note: Usage includes immaterial amounts of other revenue including professional services. 20Revenue: Q1 Results on Plan Based on Strong Contracted Revenue Growth Q1 '21 Actual Q1 '21 Plan % ($ in millions) Growth Growth Of Plan YoY YoY $ $ Outperformance Contracted Revenue $ 20.8 23% $ 20.4 21% 102% on Contracted Usage Revenue $ 7.2 -25% $ 7.5 -22% 96% (+23% YoY) Total Revenue $ 27.9 5% $ 27.9 5% 100% Usage Multiplier 1.3x 1.4x • Repeated Stimulus: Collections activities were completed in record times given excess cash delivered to consumers, reducing overall platform usage COVID Driving Usage Below Historical • Collections Forbearances: Student loans and mortgages at the federal level; Levels private lenders have reduced collections activity in parallel We continue to deliver above plan contracted revenue and expect usage to return to historical levels as COVID abates and the economy returns to normal Note: Usage includes immaterial amounts of other revenue including professional services. 20

Contracted: Reacceleration After a COVID-Driven Slowdown in 2020 Contracted Revenue (Trailing 8 Quarters) COVID Strong bookings supports continued acceleration of contracted revenue 21Contracted: Reacceleration After a COVID-Driven Slowdown in 2020 Contracted Revenue (Trailing 8 Quarters) COVID Strong bookings supports continued acceleration of contracted revenue 21

Usage: Historically Stable Usage Multiplier Expected to Recover Post-COVID Total Revenue (Trailing 8 Quarters) Pre-COVID: COVID: Usage Multiplier consistently 1.5x+ Usage Multiplier at lowest levels in Company history Note: Usage includes immaterial amounts of other revenue including professional services. 22Usage: Historically Stable Usage Multiplier Expected to Recover Post-COVID Total Revenue (Trailing 8 Quarters) Pre-COVID: COVID: Usage Multiplier consistently 1.5x+ Usage Multiplier at lowest levels in Company history Note: Usage includes immaterial amounts of other revenue including professional services. 22

Contracted: Growth is Accelerating Annual Contracted Revenue Actual Forecast LiveVox is tracking on plan for 2021 and 2022 contracted revenue projections 23Contracted: Growth is Accelerating Annual Contracted Revenue Actual Forecast LiveVox is tracking on plan for 2021 and 2022 contracted revenue projections 23

Usage: On Track for Full Year Plan Despite Pace of COVID Recovery 2021 Revenue Forecast Key Assumptions Supporting Forecast Contracted • $4M revenue go-get to achieve contracted plan (95% visibility) Growth • No additional direct-to-consumer stimulus • Stimulus-driven high consumer savings rates revert to mean throughout the year on the Usage back of strong spending Multiplier • Usage ramps throughout the year in response to normalized consumer credit environment Contracted revenue has reaccelerated; usage recovery is still in early innings Note: Usage includes immaterial amounts of other revenue including professional services. 24Usage: On Track for Full Year Plan Despite Pace of COVID Recovery 2021 Revenue Forecast Key Assumptions Supporting Forecast Contracted • $4M revenue go-get to achieve contracted plan (95% visibility) Growth • No additional direct-to-consumer stimulus • Stimulus-driven high consumer savings rates revert to mean throughout the year on the Usage back of strong spending Multiplier • Usage ramps throughout the year in response to normalized consumer credit environment Contracted revenue has reaccelerated; usage recovery is still in early innings Note: Usage includes immaterial amounts of other revenue including professional services. 24

2022 Outlook: A “Return to Normal” Provides Upside Potential Current 2022 Illustrative 2022 Revenue Revenue Forecast Assuming 2019 Average Usage Multiplier 1 1 We believe that platform usage will return to historical levels as COVID abates, stimulus exits the system, and global economic activity returns to normal (1) YoY Growth for 2022 is calculated relative to $129M 2021 Plan. Note: Usage includes immaterial amounts of other revenue including professional services. 252022 Outlook: A “Return to Normal” Provides Upside Potential Current 2022 Illustrative 2022 Revenue Revenue Forecast Assuming 2019 Average Usage Multiplier 1 1 We believe that platform usage will return to historical levels as COVID abates, stimulus exits the system, and global economic activity returns to normal (1) YoY Growth for 2022 is calculated relative to $129M 2021 Plan. Note: Usage includes immaterial amounts of other revenue including professional services. 25

Long-Term Operating Model Long- Term % of Revenue 2017 2018 2019 2020 Model Leverage on fixed cost Gross Margin 61% 61% 63% 65% 75%+ base as revenue grows Continued investment S&M 25% 19% 23% 26% ~30-35% to drive topline growth Product-driven company requires R&D 15% 16% 16% 19% ~15% continued investment Economies of scale G&A 14% 12% 11% 12% ~5% Adjusted 7% 14% 14% 8% ~20%+ EBITDA 26Long-Term Operating Model Long- Term % of Revenue 2017 2018 2019 2020 Model Leverage on fixed cost Gross Margin 61% 61% 63% 65% 75%+ base as revenue grows Continued investment S&M 25% 19% 23% 26% ~30-35% to drive topline growth Product-driven company requires R&D 15% 16% 16% 19% ~15% continued investment Economies of scale G&A 14% 12% 11% 12% ~5% Adjusted 7% 14% 14% 8% ~20%+ EBITDA 26

Concluding Highlights 1 TAM § Market tripling in the next 10 years or sooner § Secular growth despite COVID pull-forward § Product set to address whole TAM Differentiated Technology Platform 2 § Approach to data management and Contact Center CRM § Fully integrated across Omnichannel, AI, WFO, Contact Center CRM § Implantation and TCO advantage Differentiated GTM 3 § Ability to generate more pipeline § Higher conversion rates § Shorter sales cycles 4 Poised to Grow § Rapid success of new products § Ready to go GTM Strategy § Model rotation past tipping point 27Concluding Highlights 1 TAM § Market tripling in the next 10 years or sooner § Secular growth despite COVID pull-forward § Product set to address whole TAM Differentiated Technology Platform 2 § Approach to data management and Contact Center CRM § Fully integrated across Omnichannel, AI, WFO, Contact Center CRM § Implantation and TCO advantage Differentiated GTM 3 § Ability to generate more pipeline § Higher conversion rates § Shorter sales cycles 4 Poised to Grow § Rapid success of new products § Ready to go GTM Strategy § Model rotation past tipping point 27

Appendix A: Valuation OverviewAppendix A: Valuation Overview

LiveVox Compares Favorably Against Public Peers Based on Leading KPIs Enterprise Value ($B) $ 0.84 $ 12.6 $ 13.5 $ 25.5 $ 17.5 $ 3.9 No. of Customers 325 2,000 25,000 400,000 164,200 18,000 LTM Revenue per $ 317 $ 200 $ 65 $ 3 $ 6 $ 19 Customer (000s) CC, Financial Messaging Primary Offering CCaaS CCaaS UCaaS Support Crime Cloud CAC 1.2 x ~1 x ~3 x ~2 x ~2 x ~2 x ~6 x (Enterprise) 7.0 x 1 LTV to CAC ~2 x ~4 x ~3 x ~4 x (Average) ~2 x (Commercial) 115 % >105 to 115% 1 Net Dollar Retention 117% Not disclosed Not disclosed 111 % Mid-Market / Enterprise (Average) 2020 Revenue ($M) $ 103 $ 435 $ 1,657 $ 1,184 $ 1,030 $ 367 2021E Revenue Growth 26 % 27 % 10 % 27 % 27 % 27 % CY21E EBITDA Margin 0 % 17 % 34 % 14 % 10 % 8 % Source: Market Data as of 26-May-2021, publicly available equity research reports, Company public filings. (1) Represents average of 2017-2020. 29 Financial Metrics Leading KPIs Operational MetricsLiveVox Compares Favorably Against Public Peers Based on Leading KPIs Enterprise Value ($B) $ 0.84 $ 12.6 $ 13.5 $ 25.5 $ 17.5 $ 3.9 No. of Customers 325 2,000 25,000 400,000 164,200 18,000 LTM Revenue per $ 317 $ 200 $ 65 $ 3 $ 6 $ 19 Customer (000s) CC, Financial Messaging Primary Offering CCaaS CCaaS UCaaS Support Crime Cloud CAC 1.2 x ~1 x ~3 x ~2 x ~2 x ~2 x ~6 x (Enterprise) 7.0 x 1 LTV to CAC ~2 x ~4 x ~3 x ~4 x (Average) ~2 x (Commercial) 115 % >105 to 115% 1 Net Dollar Retention 117% Not disclosed Not disclosed 111 % Mid-Market / Enterprise (Average) 2020 Revenue ($M) $ 103 $ 435 $ 1,657 $ 1,184 $ 1,030 $ 367 2021E Revenue Growth 26 % 27 % 10 % 27 % 27 % 27 % CY21E EBITDA Margin 0 % 17 % 34 % 14 % 10 % 8 % Source: Market Data as of 26-May-2021, publicly available equity research reports, Company public filings. (1) Represents average of 2017-2020. 29 Financial Metrics Leading KPIs Operational Metrics

Valuation at an Attractive Discount to Public Comparables on 2021… EV / 2021E Revenue 22.9x Average: 13.8x 17.0x 13.3x 8.4x 6.5x 7.4x Growth Adjusted EV / 2021E Revenue (‘20 to ‘22 CAGR) 1.0 x Average: 0.7x 0.7 x 0.7 x 0.5 x 0.2 x 0.3 x Source: Market Data as of 26-May-2021, Wall Street research, Company public filings. 30Valuation at an Attractive Discount to Public Comparables on 2021… EV / 2021E Revenue 22.9x Average: 13.8x 17.0x 13.3x 8.4x 6.5x 7.4x Growth Adjusted EV / 2021E Revenue (‘20 to ‘22 CAGR) 1.0 x Average: 0.7x 0.7 x 0.7 x 0.5 x 0.2 x 0.3 x Source: Market Data as of 26-May-2021, Wall Street research, Company public filings. 30

… and 2022 Revenue Estimates EV / 2022E Revenue 19.4x Average: 11.5x 13.7x 10.6x 6.7x 6.8x 5.2x Growth Adjusted EV / 2022E Revenue (‘20 to ‘22 CAGR) 0.9 x Average: 0.5x 0.7 x 0.5 x 0.4 x 0.2 x 0.3 x Source: Market Data as of 26-May-2021, Wall Street research, Company public filings. 31… and 2022 Revenue Estimates EV / 2022E Revenue 19.4x Average: 11.5x 13.7x 10.6x 6.7x 6.8x 5.2x Growth Adjusted EV / 2022E Revenue (‘20 to ‘22 CAGR) 0.9 x Average: 0.5x 0.7 x 0.5 x 0.4 x 0.2 x 0.3 x Source: Market Data as of 26-May-2021, Wall Street research, Company public filings. 31

Strong Sales Efficiency Less More CAC Benchmarking | LiveVox vs. Peers Favorable Favorable LiveVox CAC 7.0x $ in millions New Revenue Added Sales and Marketing $ 27 6.0x CAC $ 23 $ 22 $ 22 $ 21 $ 16 $ 15 $ 15 5.0x 1.2x 0.9x 0.9x 0.7x 4.0x 2017 2018 2019 2020 3.0x 2.0x 1.0x 0.0x Source: Wall Street Research, Company public filings. 32Strong Sales Efficiency Less More CAC Benchmarking | LiveVox vs. Peers Favorable Favorable LiveVox CAC 7.0x $ in millions New Revenue Added Sales and Marketing $ 27 6.0x CAC $ 23 $ 22 $ 22 $ 21 $ 16 $ 15 $ 15 5.0x 1.2x 0.9x 0.9x 0.7x 4.0x 2017 2018 2019 2020 3.0x 2.0x 1.0x 0.0x Source: Wall Street Research, Company public filings. 32

Strong Retention Driven by Considerable Upsell Less More Net Dollar Retention Benchmarking | LiveVox vs. Peers Favorable Favorable LiveVox Net Dollar Retention 115% 120% 119% 1 114% (Average) 145% 106% 135% 125% 2017 2018 2019 2020 115% 105% 95% 85% Source: Wall Street Research, Company public filings. (1) Represents average of 2017-2020 33Strong Retention Driven by Considerable Upsell Less More Net Dollar Retention Benchmarking | LiveVox vs. Peers Favorable Favorable LiveVox Net Dollar Retention 115% 120% 119% 1 114% (Average) 145% 106% 135% 125% 2017 2018 2019 2020 115% 105% 95% 85% Source: Wall Street Research, Company public filings. (1) Represents average of 2017-2020 33

Large Land & Expand Opportunity through Strong LTV to CAC Less More LTV to CAC Benchmarking | LiveVox vs. Peers Favorable Favorable 18.0x LiveVox LTV to CAC (Average) 11.6 x 16.0x 7.0 x 14.0x 12.0x All Customers $1mm+… $1mm+ All Customers Customers 10.0x 8.0x 6.0x 4.0x 2.0x 0.0x Source: Wall Street Research, Company public filings. Note: LTV calculated as subscription gross margin divided by gross churn. CAC is calculated as trailing twelve months S&M expense divided by quarter 0 subscription revenue annualized less quarter 4 subscription revenue annualized. Average represents 2017-2020. 34Large Land & Expand Opportunity through Strong LTV to CAC Less More LTV to CAC Benchmarking | LiveVox vs. Peers Favorable Favorable 18.0x LiveVox LTV to CAC (Average) 11.6 x 16.0x 7.0 x 14.0x 12.0x All Customers $1mm+… $1mm+ All Customers Customers 10.0x 8.0x 6.0x 4.0x 2.0x 0.0x Source: Wall Street Research, Company public filings. Note: LTV calculated as subscription gross margin divided by gross churn. CAC is calculated as trailing twelve months S&M expense divided by quarter 0 subscription revenue annualized less quarter 4 subscription revenue annualized. Average represents 2017-2020. 34

Appendix B: LiveVox Supplemental OverviewAppendix B: LiveVox Supplemental Overview

LiveVox Leadership Crescent Acquisition Corp & LiveVox Leadership Team Golden Gate Capital Rishi Louis Gregg Nick Erik Robert Chandna Summe Clevenger Bandy Fowler Beyer CEO and EVP, Chief Marketing Officer EVP, Executive Managing Director Co-Founder Chief Financial Officer Worldwide Sales Chairman Experience: Experience: 20+ years 35+ years Experience: Experience: Experience: Experience: Boards: Boards: 25+ years 30+ years 30+ years 25+ years 36LiveVox Leadership Crescent Acquisition Corp & LiveVox Leadership Team Golden Gate Capital Rishi Louis Gregg Nick Erik Robert Chandna Summe Clevenger Bandy Fowler Beyer CEO and EVP, Chief Marketing Officer EVP, Executive Managing Director Co-Founder Chief Financial Officer Worldwide Sales Chairman Experience: Experience: 20+ years 35+ years Experience: Experience: Experience: Experience: Boards: Boards: 25+ years 30+ years 30+ years 25+ years 36

$80+ Billion Opportunity That is in the Early Innings of a Shift to the Cloud Current TAM is a Fraction of Cloud Drivers the Long-Term Opportunity Contact Center Software TAM $250 Billion Digital transformation of the Total CC Labor Enterprise Spend McKinsey believes AI driven analytics increasingly that 22% of $250B Contact Center labor used to support workflow and market will be agents automated by 2030 Expected to be almost Automation of manual labor 100% cloud, playing to LiveVox’s strengths Friction Points to Cloud Adoption Data Integration: Many siloed channels, applications, and data 19% Cloud $83 Billion+ Penetration Risk Mitigation: Security and $27 Billion ! compliance $5 Billion Cloud Investments in Legacy 2020 2030+ Infrastructure: 5+ year upgrade Source: Magellan Solutions Call Center Benchmarking Report, McKinsey. cycles 37$80+ Billion Opportunity That is in the Early Innings of a Shift to the Cloud Current TAM is a Fraction of Cloud Drivers the Long-Term Opportunity Contact Center Software TAM $250 Billion Digital transformation of the Total CC Labor Enterprise Spend McKinsey believes AI driven analytics increasingly that 22% of $250B Contact Center labor used to support workflow and market will be agents automated by 2030 Expected to be almost Automation of manual labor 100% cloud, playing to LiveVox’s strengths Friction Points to Cloud Adoption Data Integration: Many siloed channels, applications, and data 19% Cloud $83 Billion+ Penetration Risk Mitigation: Security and $27 Billion ! compliance $5 Billion Cloud Investments in Legacy 2020 2030+ Infrastructure: 5+ year upgrade Source: Magellan Solutions Call Center Benchmarking Report, McKinsey. cycles 37

Strong Heritage of Technology Innovation Culminating in a CCaaS 2.0 Platform Public Cloud Full CCaaS 2.0 Platform AI-enabled WFO and Cloud IVR / tuck-in M&A Virtual Assistant Full Omnichannel suite with email, SMS, chat & voice, Speech Speech pre-integrated with Analytics Analytics bot engines Comprehensive Two-Way Two-Way Two-Way voice solution Messaging Messaging Messaging st launched Industry’s 1 contact center focused Contact Inbound Inbound Inbound Inbound Center CRM, all Contact Contact Contact Contact built in the cloud Center Center Center Center Outbound Outbound Outbound Outbound Outbound Campaigns Campaigns Campaigns Campaigns Campaigns 2018 2000 2014 2019 2020 20 years of development have led to significant platform evolution over the past 3 years, helping shift LiveVox into a full CCaaS 2.0 platform with Omnichannel, WFO, analytics and AI 38Strong Heritage of Technology Innovation Culminating in a CCaaS 2.0 Platform Public Cloud Full CCaaS 2.0 Platform AI-enabled WFO and Cloud IVR / tuck-in M&A Virtual Assistant Full Omnichannel suite with email, SMS, chat & voice, Speech Speech pre-integrated with Analytics Analytics bot engines Comprehensive Two-Way Two-Way Two-Way voice solution Messaging Messaging Messaging st launched Industry’s 1 contact center focused Contact Inbound Inbound Inbound Inbound Center CRM, all Contact Contact Contact Contact built in the cloud Center Center Center Center Outbound Outbound Outbound Outbound Outbound Campaigns Campaigns Campaigns Campaigns Campaigns 2018 2000 2014 2019 2020 20 years of development have led to significant platform evolution over the past 3 years, helping shift LiveVox into a full CCaaS 2.0 platform with Omnichannel, WFO, analytics and AI 38

LiveVox’s Omnichannel Capabilities Enable Enterprises to Engage in Customers’ Channel of Choice VOICE IVR AI VIRTUAL AGENT EMAIL TEXT or WEB CHAT OUTBOUND CALL Inbound / Easy to incorporate Easy to configure HTML Customers or agents Inbound / Outbound Virtual Agents with a templates enable a initiate chat sessions Outbound IVR no-code AI bot unified look and feel proactively and IVR immediately when the need arises 1-Billing 2-Claim Status 3-Speak to an Agent LiveVox system has Agent researches Customer dials the Customer receives an Customer texts and permission to call status of a claim and 800# and uses the automated email receives an best and preferred verifies email interactive voice confirming the call automated response number, to verify address and response (“IVR”) to with an option to confirming claim has closure and offer to permission to follow speak with an Agent Text/SMS for status been processed assist with anything up else 39LiveVox’s Omnichannel Capabilities Enable Enterprises to Engage in Customers’ Channel of Choice VOICE IVR AI VIRTUAL AGENT EMAIL TEXT or WEB CHAT OUTBOUND CALL Inbound / Easy to incorporate Easy to configure HTML Customers or agents Inbound / Outbound Virtual Agents with a templates enable a initiate chat sessions Outbound IVR no-code AI bot unified look and feel proactively and IVR immediately when the need arises 1-Billing 2-Claim Status 3-Speak to an Agent LiveVox system has Agent researches Customer dials the Customer receives an Customer texts and permission to call status of a claim and 800# and uses the automated email receives an best and preferred verifies email interactive voice confirming the call automated response number, to verify address and response (“IVR”) to with an option to confirming claim has closure and offer to permission to follow speak with an Agent Text/SMS for status been processed assist with anything up else 39

What is LiveVox’s Cloud-Native WFO? LiveVox WFO Quality Management Customer Satisfaction Performance Analytics Agent Scheduling Call & Screen Recording Speech Analytics LiveVox provides a lightweight but full featured WFO offering Customers that demand best of Fully integrated into the CCaaS that meets the needs of less breed WFO can integrate with 2.0 platform for easy and fast mature contact center other vendors (NICE, Verint) deployment at the lowest TCO operations 40What is LiveVox’s Cloud-Native WFO? LiveVox WFO Quality Management Customer Satisfaction Performance Analytics Agent Scheduling Call & Screen Recording Speech Analytics LiveVox provides a lightweight but full featured WFO offering Customers that demand best of Fully integrated into the CCaaS that meets the needs of less breed WFO can integrate with 2.0 platform for easy and fast mature contact center other vendors (NICE, Verint) deployment at the lowest TCO operations 40

Pre-Integrated AI Capabilities Within the CCaaS 2.0 Platform Data-Powered AI Chatbots Virtual Agents Workflow Management Agent Assistance Analytics Guide agents to ideal Optimize flow of customer customer outcomes and inquiries based on consumer ensure accuracy and intent and agent availability compliance during every interaction Optimize messaging Set-Up and manage machine Integrated Virtual Agents conversations and Provide Consumers Self- learning models to optimize provide responses to Service Options Utilizing CRM contact center performance customer intents Data 41Pre-Integrated AI Capabilities Within the CCaaS 2.0 Platform Data-Powered AI Chatbots Virtual Agents Workflow Management Agent Assistance Analytics Guide agents to ideal Optimize flow of customer customer outcomes and inquiries based on consumer ensure accuracy and intent and agent availability compliance during every interaction Optimize messaging Set-Up and manage machine Integrated Virtual Agents conversations and Provide Consumers Self- learning models to optimize provide responses to Service Options Utilizing CRM contact center performance customer intents Data 41

Moving from Collections to BPO/Enterprise Across a Variety of Industries 2016 2017 2018 2019 2020 Top 3 Media Top 10 Global Top 5 BPO Top 3 Cruise Line Top 20 Bank Company Fintech Top 10 BPO Top 10 Retailer Top 100 Bank Top 5 Bank Top 5 Bank Top 25 BPO Top 25 Retailer Top 10 BPO Top 25 Bank Top 35 Bank Top 35 Bank Top 65 BPO Top 75 Bank Top 35 Retailer BPO Bank Media Cruise Line Fintech Retail Note: Client ranking based on publicly available data. 42Moving from Collections to BPO/Enterprise Across a Variety of Industries 2016 2017 2018 2019 2020 Top 3 Media Top 10 Global Top 5 BPO Top 3 Cruise Line Top 20 Bank Company Fintech Top 10 BPO Top 10 Retailer Top 100 Bank Top 5 Bank Top 5 Bank Top 25 BPO Top 25 Retailer Top 10 BPO Top 25 Bank Top 35 Bank Top 35 Bank Top 65 BPO Top 75 Bank Top 35 Retailer BPO Bank Media Cruise Line Fintech Retail Note: Client ranking based on publicly available data. 42

Appendix C: Growth and Go-to-Market OverviewAppendix C: Growth and Go-to-Market Overview

Enabling Next-Gen Cloud Contact Center Experiences through CCaaS 2.0 We seamlessly integrate Omnichannel Communications, Contact Center CRM, and Workforce Optimization, along with AI, to create better customer experiences and improve agent performance Who are our customers? What are our offerings? n BPOs n Omnichannel / AI n Enterprises n Contact Center CRM n Collection Agencies n Workforce Optimization 44Enabling Next-Gen Cloud Contact Center Experiences through CCaaS 2.0 We seamlessly integrate Omnichannel Communications, Contact Center CRM, and Workforce Optimization, along with AI, to create better customer experiences and improve agent performance Who are our customers? What are our offerings? n BPOs n Omnichannel / AI n Enterprises n Contact Center CRM n Collection Agencies n Workforce Optimization 44

Installed Base of Highly Satisfied Enterprise Customers 90%+ of Revenue from Strong NPS Enterprise Deployments 8 % 54 47 We have customers with over 3,000 concurrent seats 38 92 % Revenue from customers with >50 seat count 25 25 Revenue from customers with <50 seat count ü 15 23 Customers Contributing 13 11 >$1 million ARR ü 51% of ARR from customers with >$1 million annual spend ü 72% of ARR from customers with >$500K annual spend Source: Customer Guru 45Installed Base of Highly Satisfied Enterprise Customers 90%+ of Revenue from Strong NPS Enterprise Deployments 8 % 54 47 We have customers with over 3,000 concurrent seats 38 92 % Revenue from customers with >50 seat count 25 25 Revenue from customers with <50 seat count ü 15 23 Customers Contributing 13 11 >$1 million ARR ü 51% of ARR from customers with >$1 million annual spend ü 72% of ARR from customers with >$500K annual spend Source: Customer Guru 45

Strong Unit Economics 2 Net Retention CAC ($ in millions) LTV to CAC (Average) New Revenue Added 120% 119% Sales and Marketing 115% 114% 1 (Average) $ 27 CAC 11.6 x 106% $ 23 $ 22 $ 22 $ 21 $ 16 7.0 x $ 15 $ 15 1.2x 0.9x 0.9x 0.7x FY 17 FY 18 FY 19 FY20 FY 17 FY 18 FY 19 FY 20 All Customers $1mm+ Customers (1) Represents average of 2017-2020, which metrics management is using as a proxy to remove COVID impacts. (2) Represents average of 2017-2020. 46Strong Unit Economics 2 Net Retention CAC ($ in millions) LTV to CAC (Average) New Revenue Added 120% 119% Sales and Marketing 115% 114% 1 (Average) $ 27 CAC 11.6 x 106% $ 23 $ 22 $ 22 $ 21 $ 16 7.0 x $ 15 $ 15 1.2x 0.9x 0.9x 0.7x FY 17 FY 18 FY 19 FY20 FY 17 FY 18 FY 19 FY 20 All Customers $1mm+ Customers (1) Represents average of 2017-2020, which metrics management is using as a proxy to remove COVID impacts. (2) Represents average of 2017-2020. 46

Five Simple Bundles in our GTM and Great Demand Across an Intent-Based Strategy New Customer Acquisition Strategy: 5 Flexible Bundled Offerings Target Interest each Client Needs… …LiveVox Bundles year Inbound Inbound, CX, CRM, Contact Center 25% Agent Experience Bundle Compliance, Outbound Consent Tracking, Campaigns and 5% OB Campaigns Compliance Bundle Omnichannel, SMS, Email, Add Digital to Omnichannel Bundle 5% Existing ACD Automated Scoring, Artificial Intelligence Compliance, Speech 15% Bundle Analytics AI/Chatbots, IVR, IVR / Virtual Automation, Self- 30% Assistant Service While our competitive set is primarily focused on 25% (inbound/platform) of prospects’ interest in any given year, LiveVox bundles are focused on 80% of prospects’ interest 47Five Simple Bundles in our GTM and Great Demand Across an Intent-Based Strategy New Customer Acquisition Strategy: 5 Flexible Bundled Offerings Target Interest each Client Needs… …LiveVox Bundles year Inbound Inbound, CX, CRM, Contact Center 25% Agent Experience Bundle Compliance, Outbound Consent Tracking, Campaigns and 5% OB Campaigns Compliance Bundle Omnichannel, SMS, Email, Add Digital to Omnichannel Bundle 5% Existing ACD Automated Scoring, Artificial Intelligence Compliance, Speech 15% Bundle Analytics AI/Chatbots, IVR, IVR / Virtual Automation, Self- 30% Assistant Service While our competitive set is primarily focused on 25% (inbound/platform) of prospects’ interest in any given year, LiveVox bundles are focused on 80% of prospects’ interest 47

LiveVox’s Go-To-Market Overview Our Approach to Land & Expand Land Customer Grow Account Account Reviews With “Hunter” With “Farmer” - Large enterprise: Contact - Large enterprise: Contact - Solution Consultants and centers with 250+ agents centers with over 250+ Technical Account Mangers - Mid-Market: Contact agents support the Farmers in Role centers with 50-249 - Mid-Market: Contact expansion agents centers with 50-249 agents Direct sales team 100% Dedicated team 100% Product-led business reviews focused on new logo focused on product lead to new product adoption Impact generation and first year expansion and upsell and additional client growth expansion 48LiveVox’s Go-To-Market Overview Our Approach to Land & Expand Land Customer Grow Account Account Reviews With “Hunter” With “Farmer” - Large enterprise: Contact - Large enterprise: Contact - Solution Consultants and centers with 250+ agents centers with over 250+ Technical Account Mangers - Mid-Market: Contact agents support the Farmers in Role centers with 50-249 - Mid-Market: Contact expansion agents centers with 50-249 agents Direct sales team 100% Dedicated team 100% Product-led business reviews focused on new logo focused on product lead to new product adoption Impact generation and first year expansion and upsell and additional client growth expansion 48

Case Studies: Land & Expand Financial Services Client Retailer § Voice revenue doubles § Client’s Text, Email, and § Successful year over year Chat were previously all upsell of SMS § Non-voice products on separate solutions; and Email (Email, Messaging) LiveVox wins with § ~600 agents on adopted unified data model platform Q1 ‘19 Q1 ‘20 Q1 ’21 Q1 ‘17 Q1 ‘18 Q1 ‘19 Q1 ‘20 Q1 ’21 § LiveVox lands with § Messaging revenues § President wants all agents § LiveVox lands § Continued Voice products grow 4.3x as on a single pane of glass; U- with Voice expansion § ~200 agents on LiveVox takes share CRM rolled out to additional products of QM / platform in account Customer Care and § ~200 agents on WFO Collections Agents platform solutions § >1,000 agents on platform ~$1 mm ~$3.3 mm ~$600K ~$100K Q1 '17 Q1 '21E Q1 '19 Q1 '21E In each case, we landed with a department-level voice sale and expanded into a full-suite enterprise sale 49 Customer ARR Customer ARRCase Studies: Land & Expand Financial Services Client Retailer § Voice revenue doubles § Client’s Text, Email, and § Successful year over year Chat were previously all upsell of SMS § Non-voice products on separate solutions; and Email (Email, Messaging) LiveVox wins with § ~600 agents on adopted unified data model platform Q1 ‘19 Q1 ‘20 Q1 ’21 Q1 ‘17 Q1 ‘18 Q1 ‘19 Q1 ‘20 Q1 ’21 § LiveVox lands with § Messaging revenues § President wants all agents § LiveVox lands § Continued Voice products grow 4.3x as on a single pane of glass; U- with Voice expansion § ~200 agents on LiveVox takes share CRM rolled out to additional products of QM / platform in account Customer Care and § ~200 agents on WFO Collections Agents platform solutions § >1,000 agents on platform ~$1 mm ~$3.3 mm ~$600K ~$100K Q1 '17 Q1 '21E Q1 '19 Q1 '21E In each case, we landed with a department-level voice sale and expanded into a full-suite enterprise sale 49 Customer ARR Customer ARR

We are Investing in a Channel and Partner Ecosystem Channel: Extend Reach Through AI: AI Marketplace and Co- New Master Agent Partnerships Marketing with Partners Recently announced partnerships LiveVox has an AI Marketplace and is focusing on partner integration 4,500 sub-agents 3,000+ independent sales partners Investing in channel is a focus area for Scale and simplify AI partner integration with LiveVox now that we are $100m+ in revenue partner portal and open APIs 50We are Investing in a Channel and Partner Ecosystem Channel: Extend Reach Through AI: AI Marketplace and Co- New Master Agent Partnerships Marketing with Partners Recently announced partnerships LiveVox has an AI Marketplace and is focusing on partner integration 4,500 sub-agents 3,000+ independent sales partners Investing in channel is a focus area for Scale and simplify AI partner integration with LiveVox now that we are $100m+ in revenue partner portal and open APIs 50

APPENDIX D: Supplemental Financial InformationAPPENDIX D: Supplemental Financial Information

Vast Majority of Our Revenue Comes From the Mid Market and Fortune 1000 Segments Product Suite and Sales Focus Has Been on Large Enterprises vs. SMB Market 100% Fortune 1000 Fortune 1000 80% 60% Mid-Market 40% Mid-Market 20% SMB SMB SMB 0% BPO Enterprise Collections Customer Engagement 4% 44% 52% % of TAM Source: The Waterstone Group 52 Mid Market Fortune 1000Vast Majority of Our Revenue Comes From the Mid Market and Fortune 1000 Segments Product Suite and Sales Focus Has Been on Large Enterprises vs. SMB Market 100% Fortune 1000 Fortune 1000 80% 60% Mid-Market 40% Mid-Market 20% SMB SMB SMB 0% BPO Enterprise Collections Customer Engagement 4% 44% 52% % of TAM Source: The Waterstone Group 52 Mid Market Fortune 1000

The Majority of Our Business is Now Customer Engagement Revenue in 2020 Overall Market 63 % 96 % 37 % 4 % Collections BPO & Enterprise Source: The Waterstone Group 53The Majority of Our Business is Now Customer Engagement Revenue in 2020 Overall Market 63 % 96 % 37 % 4 % Collections BPO & Enterprise Source: The Waterstone Group 53

Growing Success with New Products Drives Mix Shift to Customer Engagement Revenue; Bookings Have Already Rotated Revenue By Segment Commentary YoY % Growth 11% 26%§ Strong compliance product expertise built solid revenue base in Collections 39 % 63 % 73 % § Growing proportion of new bookings and total revenue driven 61 % by Enterprise and BPO 37 % 27 % § Accelerating growth in Enterprise 2015 2020 2022E and BPO revenue offsetting lower secular and COVID-related Collections Customer Engagement revenue growth rates in Collections Minimum Annual Contract Value Bookings by Segment § Sales pipeline more closely resembles overall market proportion of Collections, Enterprise and BPO 41 % 78 % 91 % § Revenue mix will continue to 59 % 22 % trend towards Customer 9 % Engagement 2015 2020 2022E Collections Customer Engagement Note: 2015 run-rate includes known material churn / downsell. 54Growing Success with New Products Drives Mix Shift to Customer Engagement Revenue; Bookings Have Already Rotated Revenue By Segment Commentary YoY % Growth 11% 26%§ Strong compliance product expertise built solid revenue base in Collections 39 % 63 % 73 % § Growing proportion of new bookings and total revenue driven 61 % by Enterprise and BPO 37 % 27 % § Accelerating growth in Enterprise 2015 2020 2022E and BPO revenue offsetting lower secular and COVID-related Collections Customer Engagement revenue growth rates in Collections Minimum Annual Contract Value Bookings by Segment § Sales pipeline more closely resembles overall market proportion of Collections, Enterprise and BPO 41 % 78 % 91 % § Revenue mix will continue to 59 % 22 % trend towards Customer 9 % Engagement 2015 2020 2022E Collections Customer Engagement Note: 2015 run-rate includes known material churn / downsell. 54

Contracted Revenue Has Grown Consistently over the Past 4 Years, Including through COVID-19; Usage Was Predictable Prior to Pandemic Quarterly ARR since 2017 Usage ARR Contracted ARR Q1 17 Q2 17 Q3 17 Q4 17 Q1 18 Q2 18 Q3 18 Q4 18 Q1 19 Q2 19 Q3 19 Q4 19 Q1 20 Q2 20 Q3 20 Q4 20 Usage % 51% 49% 45% 41% 43% 38% 34% 33% 35% 37% 36% 36% 37% 25% 28% 28% of Total 55Contracted Revenue Has Grown Consistently over the Past 4 Years, Including through COVID-19; Usage Was Predictable Prior to Pandemic Quarterly ARR since 2017 Usage ARR Contracted ARR Q1 17 Q2 17 Q3 17 Q4 17 Q1 18 Q2 18 Q3 18 Q4 18 Q1 19 Q2 19 Q3 19 Q4 19 Q1 20 Q2 20 Q3 20 Q4 20 Usage % 51% 49% 45% 41% 43% 38% 34% 33% 35% 37% 36% 36% 37% 25% 28% 28% of Total 55

GAAP Reconciliation ($ in millions) Reconciliation Between GAAP Figures and Adjusted Figures 2018A 2019A 2020A GAAP Gross Margin $ 43.7 $ 54.5 $ 63.1 (+) Adjustments 2.9 4.3 4.0 Adjusted Gross Margin $ 46.7 $ 58.9 $ 67.1 % Revenue 61 % 63 % 65 % GAAP Net Income $ 1.9 $(6.9) $(4.3) (+) Net Interest Expense 3.3 3.3 3.9 (+) Income Taxes 0.4 0.1 0.2 (+) Depreciation & Amortization 4.6 4.9 6.1 (+/-) Other Items 0.1 (0.0) 0.2 GAAP Based EBITDA $ 10.4 $ 1.4 $ 6.0 (+) Incentive Compensation Bonus 0.0 9.2 1.3 (+) Acquisition Fees 0.0 1.7 0.0 (+) Management & Board Fees 0.6 0.7 0.8 (+) Other Non-Recurring Expenses 0.0 0.2 0.0 (+) SPAC Expenses 0.0 0.0 0.4 Adjusted EBITDA $ 11.0 $ 13.3 $ 8.5 (/) Pro Forma Revenue $ 77.2 $ 92.8 $ 102.5 Adjusted EBITDA % Margin 14 % 14 % 8 % Memo: Pro Forma Adjustments $ 9.1 $ 20.2 $ 12.8 Note: Adjustments include: Interest, Taxes, Depreciation & Amortization, one-time non-recurring costs, non-cash costs, other costs unique to private company ownership and pre-acquisition financials for periods prior to GAAP consolidation. Note historical financials are not presented pro forma for the Transaction. 56GAAP Reconciliation ($ in millions) Reconciliation Between GAAP Figures and Adjusted Figures 2018A 2019A 2020A GAAP Gross Margin $ 43.7 $ 54.5 $ 63.1 (+) Adjustments 2.9 4.3 4.0 Adjusted Gross Margin $ 46.7 $ 58.9 $ 67.1 % Revenue 61 % 63 % 65 % GAAP Net Income $ 1.9 $(6.9) $(4.3) (+) Net Interest Expense 3.3 3.3 3.9 (+) Income Taxes 0.4 0.1 0.2 (+) Depreciation & Amortization 4.6 4.9 6.1 (+/-) Other Items 0.1 (0.0) 0.2 GAAP Based EBITDA $ 10.4 $ 1.4 $ 6.0 (+) Incentive Compensation Bonus 0.0 9.2 1.3 (+) Acquisition Fees 0.0 1.7 0.0 (+) Management & Board Fees 0.6 0.7 0.8 (+) Other Non-Recurring Expenses 0.0 0.2 0.0 (+) SPAC Expenses 0.0 0.0 0.4 Adjusted EBITDA $ 11.0 $ 13.3 $ 8.5 (/) Pro Forma Revenue $ 77.2 $ 92.8 $ 102.5 Adjusted EBITDA % Margin 14 % 14 % 8 % Memo: Pro Forma Adjustments $ 9.1 $ 20.2 $ 12.8 Note: Adjustments include: Interest, Taxes, Depreciation & Amortization, one-time non-recurring costs, non-cash costs, other costs unique to private company ownership and pre-acquisition financials for periods prior to GAAP consolidation. Note historical financials are not presented pro forma for the Transaction. 56

GAAP Reconciliation ($ in millions) Reconciliation Between GAAP Figures and Adjusted Figures 2018A 2019A 2020A GAAP Sales & Marketing Expense $ 15.9 $ 24.4 $ 29.0 (+) Adjustments (1.5) (3.4) (2.4) Adjusted Sales & Marketing Expense $ 14.4 $ 21.0 $ 26.7 % Revenue 18.7 % 22.7 % 26.0 % GAAP Research & Development Expense $ 12.4 $ 16.6 $ 20.2 (+) Adjustments (0.1) (2.0) (0.3) Adjusted Research & Development Expense $ 12.3 $ 14.6 $ 19.9 % Revenue 15.9 % 15.8 % 19.4 % GAAP General & Administrative Expense $ 9.7 $ 16.9 $ 14.0 (+) Adjustments (0.8) (7.0) (2.0) Adjusted General & Administrative Expense $ 9.0 $ 10.0 $ 12.0 % Revenue 11.6 % 10.7 % 11.7 % Note: Adjustments include: Interest, Taxes, Depreciation & Amortization, one-time non-recurring costs, non-cash costs, other costs unique to private company ownership and pre-acquisition financials for periods prior to GAAP consolidation. Note historical financials are not presented pro forma for the Transaction. 57GAAP Reconciliation ($ in millions) Reconciliation Between GAAP Figures and Adjusted Figures 2018A 2019A 2020A GAAP Sales & Marketing Expense $ 15.9 $ 24.4 $ 29.0 (+) Adjustments (1.5) (3.4) (2.4) Adjusted Sales & Marketing Expense $ 14.4 $ 21.0 $ 26.7 % Revenue 18.7 % 22.7 % 26.0 % GAAP Research & Development Expense $ 12.4 $ 16.6 $ 20.2 (+) Adjustments (0.1) (2.0) (0.3) Adjusted Research & Development Expense $ 12.3 $ 14.6 $ 19.9 % Revenue 15.9 % 15.8 % 19.4 % GAAP General & Administrative Expense $ 9.7 $ 16.9 $ 14.0 (+) Adjustments (0.8) (7.0) (2.0) Adjusted General & Administrative Expense $ 9.0 $ 10.0 $ 12.0 % Revenue 11.6 % 10.7 % 11.7 % Note: Adjustments include: Interest, Taxes, Depreciation & Amortization, one-time non-recurring costs, non-cash costs, other costs unique to private company ownership and pre-acquisition financials for periods prior to GAAP consolidation. Note historical financials are not presented pro forma for the Transaction. 57

2020 Quarterly GAAP-Based Income Statement ($ in millions) 2020 Quarterly Figures 2020A Q1 Q2 Q3 Q4 Revenue $ 26.5 $ 22.5 $ 25.4 $ 28.1 (-) Cost of Sales 10.0 9.6 9.7 10.2 Gross Profit $ 16.5 $ 12.9 $ 15.7 $ 17.9 Gross Margin 62 % 57 % 62 % 64 % Sales & Marketing $ 8.1 $ 7.0 $ 6.6 $ 7.4 General & Administrative 3.1 3.4 3.2 4.3 Research & Development 4.7 4.8 5.2 5.5 Total Operating Expenses $ 15.9 $ 15.1 $ 15.0 $ 17.1 Income (loss) from Operations $ 0.6 $(2.2) $ 0.8 $ 0.8 Interest Expense, net $ 1.0 $ 1.0 $ 1.0 $ 1.0 Other Expense, net 0.1 (0.1) (0.0) 0.1 Pre-Tax Loss $(0.5) $(3.2) $(0.2) $(0.3) Provision for (benefit from) Income Taxes 0.1 0.4 0.1 (0.3) Net Income (loss) $(0.6) $(3.5) $(0.3) $ 0.1 Other Comprehensive Income (loss) (0.1) (0.0) 0.0 0.1 Comprehensive Income (loss) (0.7) (3.5) (0.3) 0.2 Q1 Q2 Q3 Q4 2019A Revenue $ 21.0 $ 22.4 $ 24.0 $ 25.3 2020A Revenue $ 26.5 $ 22.5 $ 25.4 $ 28.1 582020 Quarterly GAAP-Based Income Statement ($ in millions) 2020 Quarterly Figures 2020A Q1 Q2 Q3 Q4 Revenue $ 26.5 $ 22.5 $ 25.4 $ 28.1 (-) Cost of Sales 10.0 9.6 9.7 10.2 Gross Profit $ 16.5 $ 12.9 $ 15.7 $ 17.9 Gross Margin 62 % 57 % 62 % 64 % Sales & Marketing $ 8.1 $ 7.0 $ 6.6 $ 7.4 General & Administrative 3.1 3.4 3.2 4.3 Research & Development 4.7 4.8 5.2 5.5 Total Operating Expenses $ 15.9 $ 15.1 $ 15.0 $ 17.1 Income (loss) from Operations $ 0.6 $(2.2) $ 0.8 $ 0.8 Interest Expense, net $ 1.0 $ 1.0 $ 1.0 $ 1.0 Other Expense, net 0.1 (0.1) (0.0) 0.1 Pre-Tax Loss $(0.5) $(3.2) $(0.2) $(0.3) Provision for (benefit from) Income Taxes 0.1 0.4 0.1 (0.3) Net Income (loss) $(0.6) $(3.5) $(0.3) $ 0.1 Other Comprehensive Income (loss) (0.1) (0.0) 0.0 0.1 Comprehensive Income (loss) (0.7) (3.5) (0.3) 0.2 Q1 Q2 Q3 Q4 2019A Revenue $ 21.0 $ 22.4 $ 24.0 $ 25.3 2020A Revenue $ 26.5 $ 22.5 $ 25.4 $ 28.1 58

2020 Quarterly GAAP-Based Balance Sheet ($ in millions) Assets Liabilities & Stockholders' Equity 2020A 2020A Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Liabilities Cash $ 19.2 $ 20.4 $ 21.3 $ 18.1 Current Liabilities Restricted Cash, Current 1.5 1.3 1.4 1.4 Accounts Payable $ 2.7 $ 1.7 $ 3.0 $ 3.5 Accounts Receivable, Net 15.7 12.5 13.9 13.8 Accrued Expenses 12.1 13.9 15.0 11.7 Deferred Sales Commissions, Current 1.1 1.2 1.4 1.5 Deferred Revenue, Current 1.0 0.6 0.7 1.1 Prepaid Expenses & Other 3.4 3.2 3.1 2.9 Term Loan, Current 1.2 1.3 1.4 1.4 Total Current Assets $ 40.9 $ 38.7 $ 41.1 $ 37.7 Operating Lease Liabilities, Current 1.3 1.3 1.4 1.4 Finance Lease Liabilities, Current 0.7 0.6 0.5 0.4 Property & Equipment, Net $ 4.3 $ 3.9 $ 3.7 $ 3.5 Total Current Liabilities $ 19.0 $ 19.4 $ 21.9 $ 19.5 Goodwill 47.5 47.5 47.5 47.5 Line of Credit $ 4.7 $ 4.7 $ 4.7 $ 4.7 Intangible Assets, Net 21.8 20.8 19.7 18.7 Term of Loan, Net of Current 55.6 55.3 54.9 54.6 Operating Lease Right-of-Use Assets 3.7 3.4 4.2 3.9 Finance Leases Liabilities, Net of Current 0.2 0.1 0.1 0.0 Deposits and Other 0.2 0.2 0.2 2.7 Operating Lease Liabilities, Net of Current 3.2 2.9 3.4 3.1 Deferred Sales Commissions, Net of Current 2.4 2.6 3.2 3.2 Deferred Tax Liability, Net 0.2 0.0 0.0 0.2 Other Long-Term Liabilities 0.3 0.3 0.3 0.4 Deferred Tax Asset 0.0 0.0 0.1 0.0 Deferred Revenue, Net of Current 0.1 0.2 0.2 0.2 Restricted Cash, Net of Current 0.1 0.1 0.1 0.1 Total Liabilities $ 83.2 $ 82.8 $ 85.6 $ 82.7 Total Assets $ 120.9 $ 117.2 $ 119.8 $ 117.2 Stockholders' Equity Common Stock $ 0.0 $ 0.0 $ 0.0 $ 0.0 Additional Paid-In Capital 58.8 58.9 59.1 59.2 Accumulated Other Compr. Income (Loss) (0.3) (0.3) (0.3) (0.2) Accumulated Deficit (20.7) (24.3) (24.6) (24.5) Total Stockholder's Equity $ 37.7 $ 34.3 $ 34.2 $ 34.5 Total Liabilities & Equity $ 120.9 $ 117.2 $ 119.8 $ 117.2 592020 Quarterly GAAP-Based Balance Sheet ($ in millions) Assets Liabilities & Stockholders' Equity 2020A 2020A Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Liabilities Cash $ 19.2 $ 20.4 $ 21.3 $ 18.1 Current Liabilities Restricted Cash, Current 1.5 1.3 1.4 1.4 Accounts Payable $ 2.7 $ 1.7 $ 3.0 $ 3.5 Accounts Receivable, Net 15.7 12.5 13.9 13.8 Accrued Expenses 12.1 13.9 15.0 11.7 Deferred Sales Commissions, Current 1.1 1.2 1.4 1.5 Deferred Revenue, Current 1.0 0.6 0.7 1.1 Prepaid Expenses & Other 3.4 3.2 3.1 2.9 Term Loan, Current 1.2 1.3 1.4 1.4 Total Current Assets $ 40.9 $ 38.7 $ 41.1 $ 37.7 Operating Lease Liabilities, Current 1.3 1.3 1.4 1.4 Finance Lease Liabilities, Current 0.7 0.6 0.5 0.4 Property & Equipment, Net $ 4.3 $ 3.9 $ 3.7 $ 3.5 Total Current Liabilities $ 19.0 $ 19.4 $ 21.9 $ 19.5 Goodwill 47.5 47.5 47.5 47.5 Line of Credit $ 4.7 $ 4.7 $ 4.7 $ 4.7 Intangible Assets, Net 21.8 20.8 19.7 18.7 Term of Loan, Net of Current 55.6 55.3 54.9 54.6 Operating Lease Right-of-Use Assets 3.7 3.4 4.2 3.9 Finance Leases Liabilities, Net of Current 0.2 0.1 0.1 0.0 Deposits and Other 0.2 0.2 0.2 2.7 Operating Lease Liabilities, Net of Current 3.2 2.9 3.4 3.1 Deferred Sales Commissions, Net of Current 2.4 2.6 3.2 3.2 Deferred Tax Liability, Net 0.2 0.0 0.0 0.2 Other Long-Term Liabilities 0.3 0.3 0.3 0.4 Deferred Tax Asset 0.0 0.0 0.1 0.0 Deferred Revenue, Net of Current 0.1 0.2 0.2 0.2 Restricted Cash, Net of Current 0.1 0.1 0.1 0.1 Total Liabilities $ 83.2 $ 82.8 $ 85.6 $ 82.7 Total Assets $ 120.9 $ 117.2 $ 119.8 $ 117.2 Stockholders' Equity Common Stock $ 0.0 $ 0.0 $ 0.0 $ 0.0 Additional Paid-In Capital 58.8 58.9 59.1 59.2 Accumulated Other Compr. Income (Loss) (0.3) (0.3) (0.3) (0.2) Accumulated Deficit (20.7) (24.3) (24.6) (24.5) Total Stockholder's Equity $ 37.7 $ 34.3 $ 34.2 $ 34.5 Total Liabilities & Equity $ 120.9 $ 117.2 $ 119.8 $ 117.2 59

2020 Quarterly GAAP-Based Cash Flow Statement ($ in millions) Cash Flow Provided by Operating Activities Cash Flow Used in Investing Activities 2020A 2020A Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Net Income (Loss) $(0.6) $(3.5) $(0.3) $ 0.1 Purchases of Property & Equipment $(0.2) $(0.1) $(0.2) $(0.3) Acquisition of Businesses (0.1) 0.0 0.0 0.0 Adjustments to Net Income (Loss) 0.0 0.0 0.0 0.0 Net Cash Used in Investing Activities $(0.3) $(0.0) $(0.2) $(0.3) Depreciation and Amortization 0.5 0.5 0.5 0.5 Financing Activities Amortization of Intangible Assets 1.0 1.0 1.0 1.0 Amortization of Deferred Loans 0.0 0.0 0.0 0.0 Repayment on Loan Payable $(0.3) $(0.3) $(0.3) $(0.3) Amortization of Deferred Sales 0.3 0.3 0.3 0.4 Line of Credit Drawdown 4.7 0.0 0.0 0.0 Non-cash Lease Expense 0.4 0.3 0.2 0.3 Repayments on Finance Lease (0.2) (0.2) (0.2) (0.2) Stock Compensation Expense 0.2 0.2 0.2 0.1 Net Cash From Financing Activities $ 4.2 $(0.5) $(0.5) $(0.5) Bad Debt Expense 0.6 0.4 (0.4) 0.0 Foreign Currency Translation (0.0) (0.1) (0.0) 0.1 Net Increase (Decrease) in Cash $ 4.3 $ 1.0 $ 1.0 $(3.2) Loss on Disposition of Asset 0.0 0.0 0.0 0.0 Cash Beginning of Period $ 16.5 $ 20.8 $ 21.8 $ 22.8 Deferred Income Tax Benefit (0.1) (0.2) (0.1) 0.3 Changes in Assets and Liabilities Cash End of Period 20.8 21.8 22.8 19.6 Accounts Receivable $ 0.1 $ 2.8 $(0.9) $ 0.0 Other Assets (0.7) 0.2 0.0 (2.2) Deferred Sales Commissions (0.3) (0.6) (1.1) (0.5) Accounts Payable 0.2 (1.0) 1.2 0.6 Accrued Expenses (1.2) 1.8 1.1 (3.4) Deferred Revenue 0.2 (0.3) 0.2 0.4 Operating Lease Liabilities (0.3) (0.3) (0.3) (0.4) Other Long-term Liabilities (0.0) 0.0 0.0 0.1 Net Cash From Operating Activities $ 0.4 $ 1.6 $ 1.6 $(2.6) 602020 Quarterly GAAP-Based Cash Flow Statement ($ in millions) Cash Flow Provided by Operating Activities Cash Flow Used in Investing Activities 2020A 2020A Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Net Income (Loss) $(0.6) $(3.5) $(0.3) $ 0.1 Purchases of Property & Equipment $(0.2) $(0.1) $(0.2) $(0.3) Acquisition of Businesses (0.1) 0.0 0.0 0.0 Adjustments to Net Income (Loss) 0.0 0.0 0.0 0.0 Net Cash Used in Investing Activities $(0.3) $(0.0) $(0.2) $(0.3) Depreciation and Amortization 0.5 0.5 0.5 0.5 Financing Activities Amortization of Intangible Assets 1.0 1.0 1.0 1.0 Amortization of Deferred Loans 0.0 0.0 0.0 0.0 Repayment on Loan Payable $(0.3) $(0.3) $(0.3) $(0.3) Amortization of Deferred Sales 0.3 0.3 0.3 0.4 Line of Credit Drawdown 4.7 0.0 0.0 0.0 Non-cash Lease Expense 0.4 0.3 0.2 0.3 Repayments on Finance Lease (0.2) (0.2) (0.2) (0.2) Stock Compensation Expense 0.2 0.2 0.2 0.1 Net Cash From Financing Activities $ 4.2 $(0.5) $(0.5) $(0.5) Bad Debt Expense 0.6 0.4 (0.4) 0.0 Foreign Currency Translation (0.0) (0.1) (0.0) 0.1 Net Increase (Decrease) in Cash $ 4.3 $ 1.0 $ 1.0 $(3.2) Loss on Disposition of Asset 0.0 0.0 0.0 0.0 Cash Beginning of Period $ 16.5 $ 20.8 $ 21.8 $ 22.8 Deferred Income Tax Benefit (0.1) (0.2) (0.1) 0.3 Changes in Assets and Liabilities Cash End of Period 20.8 21.8 22.8 19.6 Accounts Receivable $ 0.1 $ 2.8 $(0.9) $ 0.0 Other Assets (0.7) 0.2 0.0 (2.2) Deferred Sales Commissions (0.3) (0.6) (1.1) (0.5) Accounts Payable 0.2 (1.0) 1.2 0.6 Accrued Expenses (1.2) 1.8 1.1 (3.4) Deferred Revenue 0.2 (0.3) 0.2 0.4 Operating Lease Liabilities (0.3) (0.3) (0.3) (0.4) Other Long-term Liabilities (0.0) 0.0 0.0 0.1 Net Cash From Operating Activities $ 0.4 $ 1.6 $ 1.6 $(2.6) 60