Exhibit (c)(ii)

Confidential – Draft Confidential Treatment Requested. Certain portions of this exhibit have been redacted and separately filed with the Securities and Exchange Commission pursuant to a request for confidential treatment Project Everest Discussion Materials October 23, 2023

Confidential – Draft These materials have been prepared by Evercore Group L.L.C. (“Evercore”) for the Special Committee of the Board of Directors of Everest to whom such materials are directly addressed and delivered and may not be used or relied upon for any purpose other than as specifically contemplated. These materials are based on information provided by or on behalf of the Company and/or other potential transaction participants, from public sources or otherwise reviewed by Evercore. Evercore assumes no responsibility for independent investigation or verification of such information and has relied on such information being complete and accurate in all material respects. To the extent such information includes estimates and forecasts of future financial performance prepared by or reviewed with the Management of the Company and/or other potential transaction participants or obtained from public sources, Evercore has assumed that such estimates and forecasts have been reasonably prepared on bases reflecting the best currently available estimates and judgments of such Management (or, with respect to estimates and forecasts obtained from public sources, represent reasonable estimates). No representation or warranty, express or implied, is made as to the accuracy or completeness of such information and nothing contained herein is, or shall be relied upon as, a representation, whether as to the past, the present or the future. These materials were designed for use by specific persons familiar with the business and affairs of the Company. These materials are not intended to provide the sole basis for evaluating, and should not be considered a recommendation with respect to, any transaction or other matter. These materials have been developed by and are proprietary to Evercore and were prepared exclusively for the benefit and internal use of the Special Committee of the Board of Directors of the Company. These materials were compiled on a confidential basis for use by the Special Committee of the Board of Directors of the Company in evaluating the potential transaction described herein and not with a view to public disclosure or filing thereof under state or federal securities laws, and may not be reproduced, disseminated, quoted or referred to, in whole or in part, without the prior written consent of Evercore. These materials do not constitute an offer or solicitation to sell or purchase any securities and are not a commitment by Evercore (or any affiliate) to provide or arrange any financing for any transaction or to purchase any security in connection therewith. Evercore assumes no obligation to update or otherwise revise these materials. These materials may not reflect information known to other professionals in other business areas of Evercore and its affiliates. Evercore and its affiliates do not provide legal, accounting or tax advice. Accordingly, any statements contained herein as to tax matters were neither written nor intended by Evercore or its affiliates to be used and cannot be used by any taxpayer for the purpose of avoiding tax penalties that may be imposed on such taxpayer. Each person should seek legal, accounting and tax advice based on his, her or its particular circumstances from independent advisors regarding the impact of the transactions or matters described herein. Project Everest

Confidential – Draft Table of Contents Section Transaction Overview I Company Performance II Valuation Analysis III Appendix Project Everest

Confidential – Draft I. Transaction Overview

Confidential – Draft Transaction Summary Evercore Group L.L.C. (“Evercore”) has been asked by the Special Committee of the Board of Directors of EngageSmart, Inc. (the “Company”, Scope of or “EngageSmart”) whether, in Evercore’s opinion, the Consideration of $23.00 per share to be received by holders of the Company Common Assignment Stock, other than General Atlantic and its affiliates and certain officers of the Company, in the Transaction pursuant to the purchase agreement is fair, from a financial point of view, to such holders. Vista Equity Partners (“Vista”) has offered to acquire the Company in an all-cash take-private transaction at $23.00 per share, Transaction Overview contingent on General Atlantic, the existing controlling shareholder, rolling over into a holding company (“Parent”) existing shares of Company Common Stock representing 35% of the post-closing equity capitalization of the Company Transaction Structure Reverse triangular merger Up to $1,000mm of debt financing. Vista will deliver fully committed equity financing to fund the entire transaction; no financing Financing conditions or contingencies The equity commitment can only be drawn concurrently with the closing; if the deal terminates, the Company’s sole recourse will be limited to 7.2% of fully-diluted equity value Approval by holders of a majority of outstanding shares, and approval by holders of a majority of the outstanding shares held by Key Closing the unaffiliated company stockholders Conditions Other customary conditions to closing, including Antitrust Laws clearances, no law or order prohibiting transaction, bring-down of reps and performance of covenants, and no MAE Company has thirty-day Go-Shop period during which it can solicit potential acquisition proposals, provide confidential information and negotiate with third parties Following Go-Shop period, Company is subject to customary no-shop provisions, with customary exceptions allowing Deal Protections consideration of unsolicited proposals Special Committee and Company Board may change recommendation in the case of a superior proposal or intervening event, or terminate to accept a superior proposal, subject to 4-business day matching right, and, in the case of a termination, payment of the termination fee Company termination fee: 3.6% of fully-diluted equity value during No-Shop period; 1.8% during Go-Shop period Parties must use reasonable best efforts to obtain regulatory clearances; Parent obligated to divest assets of the Company or Regulatory Efforts agree to behavioral remedies imposed on the Company, unless any such action would have a material adverse effect on the Company business Timing Expected closing: Q1 2024 End date: May 23, 2024 5 Project Everest Source: Draft purchase agreement dated 10/22/23

Confidential – Draft Project Everest 10 10 6 4 1 Contacted NDA Executed First Round Bids Invited to Second Round Preemptive Bid Process Overview Includes Vista Equity Partners, which expressed inbound interest, and [***] as a later addition—both in mid-September 6 In August / September 2023, 10 parties were contacted to determine interest in a minority transaction Management meetings were held with all 10 parties Financial calls were held with 9 parties, after one potential buyer dropped out of the process 6 parties submitted first round bids for minority transactions on or shortly after 10/5/23 4 parties were invited into the second round [***] On 10/5/23, reports emerged that General Atlantic was exploring a potential sale of Everest Multiple parties expressed inbound interest following the leak. Selected counterparties were contacted, none of which ultimately engaged Vista submitted an updated preemptive bid prior to a second round bid deadline Vista’s updated bid is for a majority transaction, with Vista owning a 65% share of the pro forma business (and General Atlantic rolling over shares to own a 35% share of the pro forma business) Other parties are still conducting second-round due diligence with respect to a minority stake transaction

Confidential – Draft Project Everest Summary of Round 1 Bids Received ($ in millions, except per share data) Source: Company filings, Management Projections, FactSet (10/19/23) Note: The first round bid instruction letter requested that bids be based on ~170.2mm fully diluted shares outstanding as of 6/30. The difference in share count between the bid letter and the fully vested share count as of 6/30 results in a per share impact of ~$0.35 – ~$0.40 in a $20.00 – $23.00 per share price range. Subsequent grants further impact the per share price by ~$0.12 – ~$0.13 in the same per share price range 1. One day prior to 10/5/23 leak 2. Represents 30-Day and 60-Day VWAP as of 10/4/23 (the unaffected date) Everest Analysis at Various Prices Current Illustrative Transaction Value Price Per Share (10/19/23) $20.65 $19.00 $20.00 $21.00 $22.00 $23.00 $24.00 % Premium to Current (8.0%) (3.1%) 1.7% 6.5% 11.4% 16.2% % Premium to Unaffected: $18.71 (10/4/23)¹ 10.4% 1.5% 6.9% 12.2% 17.6% 22.9% 28.3% % Premium to 30-Day VWAP²: $17.74 16.4% 7.1% 12.7% 18.3% 24.0% 29.6% 35.3% % Premium to 60-Day VWAP²: $17.37 18.9% 9.4% 15.2% 20.9% 26.7% 32.4% 38.2% (x) FDSO 174.3 174.2 174.2 174.3 174.3 174.4 174.4 Equity Value $3,599 $3,310 $3,485 $3,660 $3,835 $4,010 $4,185 (+) Debt - - - - - - - (–) Cash (366) (366) (366) (366) (366) (366) (366) Total Enterprise Value $3,233 $2,944 $3,119 $3,294 $3,469 $3,644 $3,819 Range of Bids Received $20.50 $20.00 $20.59 $22.00 $19.00 $21.00 $22.00 $20.00 $23.00 $17.00 7

Confidential – Draft Transaction Summary ($ in millions, except per share data) Offer Premium to Share Price Transaction Multiples Implied Prem. Acquisition Everest To Everest Consideration Share Price Shareholders Everest at Transaction Consideration $23.00 Everest at Merger Consideration $23.00 % of Current (10/19/23) 111.4% Current (10/19/23) $20.65 11.4% % of 52-Week High Close (10/5/22)¹ 103.3% Premium to¹: Fully Diluted Shares Outstanding² 174.4 Unaffected (10/4/23) $18.71 22.9% Equity Value $4,010 (+) Debt³—1-Week Prior $17.70 29.9% (–) Cash³ (366) 1-Month Prior 17.91 28.4% Enterprise Value $3,644 30-Day VWAP 17.74 29.6% 60-Day VWAP 17.37 32.4% Enterprise Value To: Metric (Mgmt.) 90-Day VWAP 18.03 27.6% CY23E Revenue $374 9.7x CY24E Revenue 469 7.8 6-Month VWAP 17.85 28.9% CY24E Growth-Adj. Revenue 0.31x 1-Year VWAP 18.45 24.7% 2-Year VWAP 19.94 15.3% CY23E Gross Profit $299 12.2x 3-Year VWAP 20.77 10.8% CY24E Gross Profit 375 9.7 CY24E Growth-Adj. Gross Profitâ 0.38x 52-Week Low Close (12/6/22) $15.44 49.0% 52-Week High Close (10/5/22) 22.27 3.3% CY23E EBITDA $72 50.5x CY24E EBITDA 106 34.5 CY24E Growth-Adj. EBITDA 1.36x Source: Bloomberg, FactSet (10/19/23), Management Projections, Wall Street Research as of 10/19/23, Draft Purchase Agreement dated 10/20/23 Note: Transaction multiples based on Management Projections 1. All dates relative to unaffected date of 10/4/23 2. RSU, PSU and option data from Company as of 10/20/23 3. As of 9/30/23, per Management 4. Calculated as TEV / ’24E Metric / ’23E-’24E Revenue Growth 8 Project Everest

Confidential – Draft II. Company Performance

Confidential – Draft Everest Stock Performance Share Price Performance 9/23/21: Everest’s IPO at Everest WholeCo Peers Enterprise Peers SMB Peers $26.00 per share Since 1 Month Ago 17.7% (4.0%) 1.9% (2.9%) Since 3 Months Ago 10.1% (10.5%) (26.9%) (12.7%) 52-Week Trading Range¹: Since 6 Months Ago 19.9% 2.8% (6.3%) (0.1%) Since 12 Months Ago 3.5% 9.7% (13.1%) (9.6%) 120.0% $15.44—$22.27 Since 18 Months Ago 3.3% (6.6%) (33.1%) (17.4%) 2/15/22: Everest reported a 48% YoY increase in Annual 8/3/23: Everest reported Q2’23, $34.122 Revenue in Q4’21, beating announcing strategic consensus estimates by 6% acquisition of Luminello’s assets and a divestiture of 8/4/22: Everest reported Q2’22 2/9/23: Everest reported FY’22 HealthPay24 to Waystar results, with Revenue exceeding 43% led by 56% growth in SMB, with 24% customer growth rate exceeding expectations YoY 80.0% 61.1% $20.65 60.5% 11/10/21: Everest reported Q3’21 59.3% losses of $0.06 per share, Revenue increases, and issued 40.0% positive 2021 Sales guidance 37.9% 10/5/23: Reports emerged that 3/9/22: DonorDrive, an Everest General Atlantic was exploring 11/3/23: Everest reported solution and digital fundraising a potential sale of Everest 6/29/22: The City of Escondido Q3’22 results, beating street’s platform for enterprise nonprofits, has seen 62% overall self- expectations and Management announced the launch of a new service electronic payment raised estimates 6/12/23: SimplePractice, an version of their app adoption since implementing Everest solution, launches InvoiceCloud, an Everest learning pass to support solution education across group practices 0.0% Sep-21 Feb-22 Jul-22 Dec-22 May-23 Oct-23 Everest WholeCo Peers Enterprise Peers SMB Peers Earnings Release Key Events 10 Project Everest Source: FactSet (10/19/23) 1. 52-week trading range relative to unaffected date as of 10/4/23 Note: Enterprise Peers comprise of ACI Worldwide, AvidXchange, Flywire, Payoneer and Paymentus. SMB Peers 2. Chart begins at Everest’s price of $34.12 on day of IPO (9/23/21); Subsequent decline in stock price occurs comprise of Bill Holdings, Definitive, Doximity, Evercommerce, Paycor, Paylocity, Phreesia, and Weave Comm. after initial price increase of 31% following IPO WholeCo Peers comprise of Enterprise and SMB Peers

Confidential – Draft Financial Summary – Management Projections ($ in millions) Historical Management Projections FYE December 31, 2021A 2022A 2023E 2024E 2025E 2026E 2027E Total Enterprise $99 $128 $157 $192 $239 $294 $359 % Growth 17.4% 29.7% 23.1% 21.9% 24.3% 23.2% 22.1% Total SMB $109 $165 $217 $277 $350 $432 $527 % Growth 73.9% 51.9% 31.1% 27.9% 26.0% 23.6% 22.1% Revenue $208 $293 $374 $469 $588 $726 $886 % Growth 41.6% 41.4% 27.6% 25.4% 25.3% 23.4% 22.1% (–) COGS (45) (60) (76) (94) (115) (137) (162) % of Revenue 21.7% 20.5% 20.2% 20.1% 19.5% 18.8% 18.3% Gross Profit $162 $233 $299 $375 $474 $589 $724 % Margin 78.3% 79.5% 79.8% 79.9% 80.5% 81.2% 81.7% (–) S&M1 (69) (95) (119) (141) (172) (204) (238) % of Revenue 33.2% 32.6% 31.7% 30.1% 29.2% 28.1% 26.9% (–) R&D (31) (44) (62) (77) (95) (117) (140) % of Revenue 14.9% 15.1% 16.5% 16.3% 16.2% 16.1% 15.8% (–) G&A (34) (48) (50) (58) (67) (75) (86) % of Revenue 16.6% 16.3% 13.4% 12.4% 11.4% 10.4% 9.7% Adj. EBIT $28 $45 $68 $99 $140 $193 $260 % Margin 13.6% 15.5% 18.1% 21.1% 23.8% 26.6% 29.3% (+) D&A 2 3 4 7 9 12 16 % of Revenue 1.2% 1.1% 1.2% 1.5% 1.6% 1.6% 1.8% Adj. EBITDA $31 $48 $72 $106 $149 $205 $276 % Margin 14.7% 16.5% 19.3% 22.5% 25.3% 28.2% 31.1% Memo: Other Items Capex $5 $7 $10 $12 $13 $15 $18 % of Revenue 2.2% 2.2% 2.6% 2.5% 2.2% 2.1% 2.0% Change in NWC ($4) ($1) $2 $4 $5 $6 $6 % of Revenue (1.7%) (0.3%) 0.6% 0.9% 0.8% 0.8% 0.7% SBC $1 $14 $23 $34 $47 $63 $80 % of Revenue 0.6% 4.8% 6.0% 7.3% 8.1% 8.6% 9.0% Intangible Amortization $16 $16 $15 $14 $14 $9 $8 % of Revenue 7.5% 5.3% 4.1% 2.9% 2.3% 1.2% 0.9% Tax Rate 0.7% 10.0% 38.3% 33.9% 30.3% 28.1% 26.6% 11 Project Everest Source: Company filings, Financial forecasts for the Company prepared and furnished to Evercore by management of the Company, as approved for Evercore’s use by the Special Committee (the “Management Projections”) Note: 2021A-2023E Enterprise figures pro forma for sale of HealthPay24 1. Includes residuals

Confidential – Draft Financial Summary – Management Projections (Cont’d) ($ in millions) Management Projections FYE December 31, 2027E 2028E 2029E 2030E 2031E 2032E 2033E 2034E 2035E 2036E 2037E Revenue $886 $1,040 $1,175 $1,305 $1,425 $1,538 $1,640 $1,737 $1,834 $1,932 $2,032 % Growth 22.1% 17.3% 13.0% 11.0% 9.2% 7.9% 6.7% 5.9% 5.6% 5.4% 5.2% (–) COGS (162) (190) (215) (238) (259) (279) (297) (314) (331) (348) (365) % of Revenue 18.3% 18.3% 18.3% 18.2% 18.2% 18.2% 18.1% 18.1% 18.0% 18.0% 18.0% Gross Profit $724 $850 $961 $1,067 $1,166 $1,259 $1,343 $1,423 $1,503 $1,585 $1,668 % Margin 81.7% 81.7% 81.7% 81.8% 81.8% 81.8% 81.9% 81.9% 82.0% 82.0% 82.0% (–) S&M1 (238) (277) (310) (341) (368) (393) (415) (435) (455) (473) (492) % of Revenue 26.9% 26.6% 26.4% 26.1% 25.8% 25.6% 25.3% 25.1% 24.8% 24.5% 24.2% (–) R&D (140) (164) (184) (203) (221) (238) (253) (267) (280) (294) (308) % of Revenue 15.8% 15.7% 15.7% 15.6% 15.5% 15.5% 15.4% 15.3% 15.3% 15.2% 15.2% (–) G&A (86) (92) (97) (103) (109) (116) (123) (129) (136) (144) (151) % of Revenue 9.7% 8.8% 8.3% 7.9% 7.7% 7.5% 7.5% 7.5% 7.4% 7.4% 7.4% Adj. EBIT $260 $317 $369 $419 $467 $511 $552 $592 $632 $674 $717 % Margin 29.3% 30.5% 31.4% 32.1% 32.8% 33.3% 33.7% 34.1% 34.5% 34.9% 35.3% (+) D&A 16 19 21 23 25 27 29 31 32 34 36 % of Revenue 1.8% 1.8% 1.8% 1.8% 1.8% 1.8% 1.8% 1.8% 1.8% 1.8% 1.8% Adj. EBITDA $276 $336 $390 $443 $492 $539 $581 $622 $664 $708 $753 % Margin 31.1% 32.3% 33.2% 33.9% 34.5% 35.0% 35.5% 35.8% 36.2% 36.6% 37.0% Memo: Other Items Capex $18 $21 $24 $26 $29 $31 $33 $35 $37 $39 $41 % of Revenue 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% Change in NWC $6 $7 $8 $9 $10 $11 $12 $12 $13 $14 $14 % of Revenue 0.7% 0.7% 0.7% 0.7% 0.7% 0.7% 0.7% 0.7% 0.7% 0.7% 0.7% SBC $80 $83 $94 $91 $100 $108 $115 $104 $110 $116 $122 % of Revenue 9.0% 8.0% 8.0% 7.0% 7.0% 7.0% 7.0% 6.0% 6.0% 6.0% 6.0% Intangible Amortization $8 $8 $2 $0 $—$—$—$—$—$—$—% of Revenue 0.9% 0.8% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Tax Rate 26.6% 26.0% 26.0% 26.0% 26.0% 26.0% 26.0% 26.0% 26.0% 26.0% 26.0% Projections through 2033E used for DCF analysis2 Source: Management Projections Note: With the Special Committee’s approval, the DCF analysis was performed utilizing a 10-year forecast ending on calendar year 2033E 1. Includes residuals 2. 2034E EBITDA also used as terminal year projection for DCF terminal multiple method 12 Project Everest

Confidential – Draft III. Valuation Analysis

Confidential – Draft Summary of Key Changes to Financial Analysis Assumptions Market price(s) updated from 9/14/23 to 10/19/23 Interest rates updated to reflect current market conditions, including: Changes vs. Risk free rate for cost of capital calculations increased from 4.6% to 5.3% and the cost of debt increased from 5.8% to 6.6%; 9/24/23 the selected WACC range was unchanged preliminary analysis Forward SOFR curve for LBO analysis Certain financial information, including Net Working Capital assumptions and Shares Outstanding calculations updated to reflect Management’s current view Balance Sheet information for WholeCo and both Segments rolled and updated from 6/30/23 to 9/30/23 WholeCo Net Cash increased from $330mm to $366mm, per Company management Minimum cash assumption increased by $10mm, per Company management Changes vs. Valuation Date for DCF and LBO analyses updated from 6/30/23 to 9/30/23 to remain consistent with 10/20/23 Balance Sheet date preliminary analysis NTM period for revenue and EBITDA used in precedent transactions analysis updated to start at 9/30/23 (vs. 6/30/23) Shares Outstanding calculations updated from 10/10/23 to 10/20/23 Updated projected share counts for Present Value of Future Share Price analysis, per Company management 14 Project Everest

Confidential – Draft Illustrative Financial Analysis Summary ($ in millions, except per share data) Valuation as of 9/30/23 Current TEV: Current FY24E Consensus $3,233 Multiples: 35.9x / 6.9x Impl. Prem. Unaffected 30D VWAP: Consideration: Implied FY24E Implied FY24E To 10/4/23 $17.74 (10/4/23) $23.00 EBITDA Revenue Unaffected Key Metrics and Methodologies Implied Share Price Implied TEV Multiple1 Multiple1 30D VWAP DCF – PGR Method (5.0%—7.0% PGR) DCF: PGR Disc. Rate: 12.5%—13.5% $13.71 $18.72 $2,023—$2,896 19.1x—27.4x 4.3x—6.2x (22.7%)—5.5% Imp. Terminal EBITDA Multiple (NTM): 6.8x—10.6x DCF – Terminal Multiple Method (9.0x—13.0x NTM EBITDA) DCF: Terminal Disc. Rate: 12.5%—13.5% $15.87 $21.24 $2,399—$3,335 22.7x—31.5x 5.1x—7.1x (10.6%)—19.7% Multiple Imp. PGR: 7.0%—8.0% Trading EBITDA Multiples 2 Trading Multiples FY24E EBITDA: $106 $17.27 $22.12 $2,643—$3,489 25.0x—33.0x 5.6x—7.4x (2.7%)—24.7% Multiple Range: 25.0x—33.0x Precedent Transactions Precedent NTM EBITDA: $94 $15.58 $23.67 $2,350—$3,759 22.2x—35.6x 5.0x—8.0x (12.2%)—33.4% Transactions Precedent Multiple Range: 25.0x—40.0x Average of PV of FSP from FY23-FY26 NTM EBITDA Multiple starting at $23.23 $25.09 $3,682—$4,006 7.8x—8.5x 30.9%—41.4% 30.0x and stepped down to 22.0x—26.0x by FY26 Disc. Rate: 14.0% $2.80—$3.19 | $15.63—$20.08 3 SOTP: Trading EBITDA Multiples FY24E Enterprise EBITDA: $14 / FY24E SMB EBITDA: $97 SOTP Valuation $20.05 $24.90 $3,128—$3,973 29.6x—37.6x 6.7x—8.5x 13.0%—40.3% Multiple Range: 30.0x—35.0x / 28.0x—36.0x Excludes Implied Tax Impact / Share to be $4.58—$5.62 | $15.64—$20.83 5 Netted Against SOTP SOTP: Precedent Transactions Value in Taxable NTM Enterprise Rev.: $181 / NTM SMB EBITDA: $91 $21.84 $28.07 $3,440—$4,526 32.5x—23.1%—58.2% Separation: Precedent Multiple Range: 4.0x—5.0x / 30.0x—40.0x 4 ($0.50)—($1.04) LBO (WholeCo Exit): 6.5x Leverage 6 Reference ‘28E Exit EBITDA: 22.0x—26.0x $19.24 $26.18 $2,986—$4,197 28.2x—39.7x 6.4x—8.9x 8.4%—47.5% Required IRR: 17.5%—22.5% Analyst Price Targets (As of Unaffected Date) $21.00 $24.50 $3,294—$3,904 31.2x—36.9x 7.0x—8.3x 18.3%—38.1% 25th—75th Percentile (Based on Available Analysts) 52-Week Trading Range (As of Unaffected Date) $15.44 $22.27 $2,325—$3,515 22.0x—33.2x 5.0x—7.5x (13.0%)—25.5% Premiums Paid to Unaffected 30D VWAP (Majority Transaction) $22.18 $24.84 $3,499—$3,963 33.1x—37.5x 7.5x—8.4x 25.0%—40.0% Premiums Paid: 25.0%—40.0% Implied Share Price Range: Enterprise | SMB Enterprise SMB Source: Management Projections, FactSet (10/19/23) (Totals also incl. $1.62 of unallocated cash / sh.) 1. Implied multiples based on Management Projections for 2024E EBITDA and Revenue, respectively 2. Implies ~1.00-1.30x growth adjusted EBITDA based on peers and 25.4% growth rate 15 Project Everest 3. Implies a range of 1.35x – 1.55x 2024E growth adjusted EBITDA and 2.2x – 2.5x 2024E Revenue for Enterprise. Implies a range of 1.00x – 1.30x 2024E growth adjusted EBITDA and 9.8x – 12.6x 2024E Revenue for SMB 4. Calculated using midpoint Enterprise valuations implied by peer and precedent methodologies 5. For the Enterprise segment (NTM growth rate of ~20%), implies ~0.22x growth adjusted Revenue (EQT / BillTrust transaction’s growth adjusted revenue multiple). Implies a range of 10.1x – 13.4x NTM Revenue for SMB 6. LBO Incorporates $9mm-$12mm of annual public company cost savings over the forecast period (2023E-2028E)

Confidential – Draft Illustrative Discounted Cash Flow Analysis – WholeCo (PGR Method) Valuation date as of 9/30/23 ($ in millions, expect per share data) Free Cash Flow Summary Management Projections 2023E 2024E 2025E 2026E 2027E 2028E 2029E 2030E 2031E 2032E 2033E Terminal Revenue $374 $469 $588 $726 $886 $1,040 $1,175 $1,305 $1,425 $1,538 $1,640 $1,640 % Growth 27.6% 25.4% 25.3% 23.4% 22.1% 17.3% 13.0% 11.0% 9.2% 7.9% 6.7% EBITDA $72 $106 $149 $205 $276 $336 $390 $443 $492 $539 $581 $581 % Margin 19.3% 22.5% 25.3% 28.2% 31.1% 32.3% 33.2% 33.9% 34.5% 35.0% 35.5% 35.5% Less: Depreciation (4) (7) (9) (12) (16) (19) (21) (23) (25) (27) (29) (33) Less: Intangible Amort (15) (14) (14) (9) (8) (8) (2) (0) — —Less: SBC (23) (34) (47) (63) (80) (83) (94) (91) (100) (108) (115) (115) EBIT (Burdened by SBC) $30 $51 $79 $121 $172 $226 $274 $328 $367 $404 $438 $434 % Margin 8.0% 10.8% 13.4% 16.7% 19.4% 21.8% 23.3% 25.1% 25.8% 26.3% 26.7% 26.5% Less: Unlevered Taxes (12) (17) (24) (34) (46) (59) (71) (85) (95) (105) (114) (113) % Tax Rate 38.3% 33.9% 30.3% 28.1% 26.6% 26.0% 26.0% 26.0% 26.0% 26.0% 26.0% 26.0% Plus: Depreciation 4 7 9 12 16 19 21 23 25 27 29 33 Plus: Intangible Amort 15 14 14 9 8 8 2 0 — —Less: Capital Expenditures (10) (12) (13) (15) (18) (21) (24) (26) (29) (31) (33) (33) Less: (Increases) in NWC 2 4 5 6 6 7 8 9 10 11 12—Total Unlevered FCF $31 $47 $69 $98 $139 $181 $210 $249 $279 $306 $332 $321 (x) Discount Factor @ 13.0% Disc. Rate 0.98x 0.91x 0.81x 0.71x 0.63x 0.56x 0.50x 0.44x 0.39x 0.34x 0.30x PV of Unlevered FCF $8 $43 $56 $70 $88 $101 $104 $109 $108 $105 $101 Implied Share Price Implied Terminal NTM EBITDA Multiple Terminal Cash Flow $321 Terminal Value @ 6.0% PGR 4,861 Perpetuity Growth Rate Perpetuity Growth Rate Discount Factor @ 13.0% WACC 0.304x PV of Terminal Value $1,476 5.0% 6.0% 7.0% 5.0% 6.0% 7.0% PV of Projected Cash Flows 892 12.5% $15.53 $16.88 $18.72 12.5% 7.7x 8.9x 10.6x Total Enterprise Value $2,369 Plus: Cash 366 u nt u nt Less: Debt—Rate 13.0% $14.56 $15.69 $17.20 Rate 13.0% 7.2 8.3 9.8 Equity Value $2,735 Disco Disco (/) FDSO1 174.3 13.5% $13.71 $14.66 $15.91 13.5% 6.8 7.8 9.0 Price Per Share $15.69 16 Project Everest Source: Company filings, Management Projections Note: With the Special Committee’s approval, the DCF analysis was performed utilizing a 10-year forecast ending on calendar year 2033E 1. Includes 168.1mm basic shares outstanding and 6.2mm dilutive securities as of 10/20/23

Confidential – Draft Illustrative Discounted Cash Flow Analysis – WholeCo (Terminal Multiple Method) Valuation date as of 9/30/23 ($ in millions, expect per share data) Free Cash Flow Summary Management Projections 2023E 2024E 2025E 2026E 2027E 2028E 2029E 2030E 2031E 2032E 2033E Terminal Revenue $374 $469 $588 $726 $886 $1,040 $1,175 $1,305 $1,425 $1,538 $1,640 $1,640 % Growth 27.6% 25.4% 25.3% 23.4% 22.1% 17.3% 13.0% 11.0% 9.2% 7.9% 6.7% EBITDA $72 $106 $149 $205 $276 $336 $390 $443 $492 $539 $581 $581 % Margin 19.3% 22.5% 25.3% 28.2% 31.1% 32.3% 33.2% 33.9% 34.5% 35.0% 35.5% 35.5% Less: Depreciation (4) (7) (9) (12) (16) (19) (21) (23) (25) (27) (29) (33) Less: Intangible Amort (15) (14) (14) (9) (8) (8) (2) (0) — —Less: SBC (23) (34) (47) (63) (80) (83) (94) (91) (100) (108) (115) (115) EBIT (Burdened by SBC) $30 $51 $79 $121 $172 $226 $274 $328 $367 $404 $438 $434 % Margin 8.0% 10.8% 13.4% 16.7% 19.4% 21.8% 23.3% 25.1% 25.8% 26.3% 26.7% 26.5% Less: Unlevered Taxes (12) (17) (24) (34) (46) (59) (71) (85) (95) (105) (114) (113) % Tax Rate 38.3% 33.9% 30.3% 28.1% 26.6% 26.0% 26.0% 26.0% 26.0% 26.0% 26.0% 26.0% Plus: Depreciation 4 7 9 12 16 19 21 23 25 27 29 33 Plus: Intangible Amort 15 14 14 9 8 8 2 0 — —Less: Capital Expenditures (10) (12) (13) (15) (18) (21) (24) (26) (29) (31) (33) (33) Less: (Increases) in NWC 2 4 5 6 6 7 8 9 10 11 12—Total Unlevered FCF $31 $47 $69 $98 $139 $181 $210 $249 $279 $306 $332 $321 (x) Discount Factor @ 13.0% Disc. Rate 0.98x 0.91x 0.81x 0.71x 0.63x 0.56x 0.50x 0.44x 0.39x 0.34x 0.30x PV of Unlevered FCF $8 $43 $56 $70 $88 $101 $104 $109 $108 $105 $101 Implied Share Price Implied PGR Terminal NTM EBITDA $622 NTM Multiple 11.0x Terminal NTM EBITDA Multiple Terminal NTM EBITDA Multiple Terminal Value $6,846 Discount Factor 0.286x 9.0x 11.0x 13.0x 9.0x 11.0x 13.0x PV of Terminal Value $1,956 PV of Projected Cash Flows 892 12.5% $16.96 $19.10 $21.24 12.5% 6.1% 7.2% 8.0% Total Enterprise Value $2,848 u nt u nt Plus: Cash 366 Rate 13.0% $16.40 $18.44 $20.48 Rate 13.0% 6.5% 7.6% 8.4% Less: Debt—Disco Disco Equity Value $3,214 1 13.5% $15.87 $17.82 $19.77 13.5% 7.0% 8.1% 8.9% (/) FDSO 174.3 Price Per Share $18.44 17 Project Everest Source: Company filings, Management Projections Note: With the Special Committee’s approval, the DCF analysis was performed utilizing a 10-year forecast ending on calendar year 2033E 1. Includes 168.1mm basic shares outstanding and 6.2mm dilutive securities as of 10/20/23

Confidential – Draft Selected Publicly Traded Companies – Valuation Metrics ($ in millions, expect per share data) Share Total TEV / 1 TEV / 1 Price Market Enterprise TEV / Revenue REV / G TEV / EBITDA EBITDA / G Company 10/19/23 Cap Value CY23E CY24E CY24E CY23E CY24E CY24E Enterprise Peers Everest Enterprise — — — — -ACI Worldwide $21.47 $2,349 $3,272 2.3x 2.1x 0.32x 8.4x 7.8x 1.18x Flywire 28.41 3,826 3,237 12.3 9.9 0.41 NM NM NA Payoneer 5.87 2,422 1,895 2.7 2.4 0.18 11.2 9.8 0.72x Paymentus 14.93 1,905 1,746 2.9 2.4 0.12 39.9 31.2 1.53x AvidXchange 9.04 1,929 1,636 4.4 3.7 0.20 NM 41.4 2.25x Mean 4.9x 4.1x 0.24x 19.8x 22.5x 1.42x Median 2.9 2.4 0.20 11.2 20.5 1.36 SMB Peers Everest SMB — — — — -Bill Holdings $102.50 $11,571 $10,770 9.1x 7.4x 0.32x NM NM NA Paylocity 196.05 10,964 10,675 8.3 6.9 0.36 25.4 20.8 1.07 Paycor 24.65 4,425 4,959 8.3 7.1 0.42 27.5 22.9 1.35 Doximity 22.06 4,719 3,846 8.6 7.7 0.70 19.6 17.4 1.58 Evercommerce 9.87 1,923 2,371 3.4 3.1 0.26 16.3 14.2 1.21 Definitive 7.58 1,212 1,122 4.5 3.9 0.29 16.1 13.8 1.02 Phreesia 15.76 963 850 2.4 1.9 0.07 NM NM NA Weave Comm. 7.27 559 472 2.8 2.5 0.17 NM NM NA Mean 5.9x 5.1x 0.32x 21.0x 17.8x 1.25x Median 6.4 5.4 0.30 19.6 17.4 1.21 WholeCo Unaffected (10/4/23) Everest WholeCo Cons. $18.71 $3,259 $2,893 7.6x 6.2x 0.26x 41.3x 32.2x 1.38x Everest WholeCo Mgmt. 18.71 3,259 2,893 7.7 6.2 0.24 40.1 27.4 1.08 Mean 5.5x 4.7x 0.29x 20.5x 19.9x 1.32x Median2 4.4 3.7 0.29 17.9 17.4 1.21 Weighed Average3 4.9 4.2 0.26 18.9 17.8 1.23 Memo: Current Everest WholeCo Cons. $20.65 $3,599 $3,233 8.5x 6.9x 0.30x 46.1x 35.9x 1.54x Everest WholeCo Mgmt. 20.65 3,599 3,233 8.6 6.9 0.27 44.8 30.6 1.20 Source: Company filings, FactSet (10/19/23), Management Projections 1. Calculated as TEV / ’24E Metric / ’23E-’24E Revenue Growth Note: Everest, Flywire, AvidXchange, and Payoneer financials calculated on a net revenue basis 2. WholeCo Peers represent the peer median for all Enterprise and SMB Peers Note: Everest based on Management Projections except where indicated as Consensus; EBITDA represents 3. Weighted averages represent each segment’s peer median multiple weighted by Everest’s revenue segments burdened by allocated corporate overhead contribution for revenue and gross profit multiples, and by Everest’s EBITDA contribution for EBITDA Note: EBITDA multiple means and medians only include meaningful values. Multiples shown as NM are >45x or multiples negative 18 Project Everest

Confidential – Draft Precedent Transactions – Valuation Metrics ($ in millions, except per share data) Total TEV / Revenue EBITDA Date Enterprise TEV / Revenue Revenue / G TEV / EBITDA Growth Margin Announced Acquirer Target Value LTM NTM NTM LTM NTM NTM NTM Enterprise Transactions 1/9/23 Nuvei Paya $1,300 4.7x 4.1x 0.31x 18.2x 15.5x 13.4% 26.7% 12/12/22 Thoma Bravo Coupa 8,000 9.8 8.3 0.46 NM 36.4 18.2% 22.7% 9/28/22 EQT Billtrust 1,552 10.7 7.9 0.22 NM NM 35.4% (3.1%) 8/1/22 Global Payments EVO Payments 4,000 7.4 7.2 2.84 20.4 19.6 2.5% 36.8% 12/17/21 Thoma Bravo Bottomline 2,600 5.4 4.7 0.34 26.8 23.2 13.9% 20.4% 5/28/19 Global Payments TSYS 25,225 6.2 6.0 2.61 18.1 16.5 2.3% 36.7% 3/18/19 FIS Worldpay 43,000 11.0 9.9 0.93 22.7 19.5 10.7% 50.6% 1/16/19 Fiserv First Data 39,000 4.9 4.4 0.35 12.0 11.4 12.5% 38.4% 7/4/17 Vantiv Worldpay 12,000 9.4 9.1 NM 24.9 22.0 2.7% 41.6% 2/14/17 PayPal TIO 201 3.5 2.4 0.06 24.8 14.4 43.7% 17.0% 8/2/07 Fiserv CheckFree 4,400 4.4 3.7 0.21 12.4 12.1 17.9% 31.1% Mean $12,843 7.0x 6.2x 0.83x 20.0x 19.0x 15.7% 29.0% Median 4,400 6.2 6.0 0.34 20.4 18.0 13.4% 31.1% SMB Transactions 7/31/23 Francisco / TPG New Relic $6,043 6.3x 5.6x 0.42x NM 29.6x 13.5% 18.9% 3/14/23 Blackstone Cvent 4,600 7.3 6.0 0.29x 40.6 31.3 20.8% 19.3% 3/6/23 Silver Lake Qualtrics 12,500 8.6 7.3 0.41x NM 47.4 17.6% 15.4% 1/9/23 Vista Equity Partners Duck Creek 2,600 8.4 7.5 0.62x NM NM 12.0% 9.0% 8/8/22 Vista Equity Partners Avalara 8,400 11.4 8.6 0.26x NM NM 32.6% 4.0% 5/4/22 ICE Black Knight 16,000 10.6 9.7 1.13x 21.6 19.6 8.6% 49.7% 4/7/22 Brookfield CDK Global 8,300 4.7 4.5 0.72x 12.3 11.8 6.2% 37.9% 8/19/21 Nordic Capital Inovalon Holdings 7,300 10.2 8.8 0.55x 29.3 24.6 16.0% 35.6% 2/10/21 Tyler Technologies NIC 2,300 5.0 5.1 NM 21.1 20.1 (1.6%) 25.2% 12/21/20 Thoma Bravo RealPage 10,200 9.1 8.0 0.55x 32.5 28.1 14.4% 28.4% 2/12/19 Thoma Bravo Ellie Mae 3,397 7.1 6.6 0.97x 27.6 23.2 6.8% 28.6% 2/4/19 Hellman & Friedman Ultimate Software 11,000 9.6 7.9 0.37x 40.3 32.5 21.6% 24.4% 12/24/18 Vista Equity Partners Mindbody 1,900 8.3 6.4 0.22x NM NM 29.5% 4.4% Mean $7,422 8.1x 7.1x 0.59x 26.4x 26.2x 13.4% 24.7% Median 7,300 8.4 7.3 0.55 27.6 24.6 13.5% 25.2% Total Enterprise and SMB Mean $9,826 7.7x 6.7x 0.67x 23.9x 22.9x 15.5% 25.8% Median 6,671 7.8 6.9 0.41 22.7 21.1 13.7% 26.0% Source: Company filings, FactSet 19 Project Everest

Confidential – Draft Appendix

Confidential – Draft Analysis at Various Prices ($ in millions, except per share data) Everest Unaffected Current Analysis at Various Prices (10/19/23) Current Price (10/19/23) $18.71 $20.65 $22.00 $22.50 $23.00 $23.50 $24.00 $24.50 $25.00 % Premium to Current 6.5% 9.0% 11.4% 13.8% 16.2% 18.6% 21.1% % Premium to Unaffected as of 10/4/23 ($18.71) 10.4% 17.6% 20.3% 22.9% 25.6% 28.3% 30.9% 33.6% % Premium to 30-Day VWAPą ($17.74) 5.4% 16.4% 24.0% 26.8% 29.6% 32.4% 35.3% 38.1% 40.9% % Premium to 60-Day VWAPą ($17.37) 7.7% 18.9% 26.7% 29.6% 32.4% 35.3% 38.2% 41.1% 44.0% % Premium to 90-Day VWAPą ($18.03) 3.8% 14.6% 22.0% 24.8% 27.6% 30.4% 33.1% 35.9% 38.7% % Premium to 52-Week Highą ($22.27) (16.0%) (7.3%) (1.2%) 1.0% 3.3% 5.5% 7.8% 10.0% 12.3% (x) FDSO 174.2 174.3 174.3 174.3 174.4 174.4 174.4 174.4 174.4 Equity Value $3,259 $3,599 $3,835 $3,923 $4,010 $4,098 $4,185 $4,273 $4,360 (+) Debt (-) Cash (366) (366) (366) (366) (366) (366) (366) (366) (366) Enterprise Value $2,893 $3,233 $3,469 $3,557 $3,644 $3,732 $3,819 $3,907 $3,994 Multiples Analysis Enterprise Value to: Metric CY23E Revenue (Mgmt.) $374 7.7x 8.6x 9.3x 9.5x 9.7x 10.0x 10.2x 10.4x 10.7x CY24E Revenue (Mgmt.) 469 6.2 6.9 7.4 7.6 7.8 8.0 8.1 8.3 8.5 CY24E Growth-Adj. Revenue (Mgmt.)² 25.4% 0.24x 0.27x 0.29x 0.30x 0.31x 0.31x 0.32x 0.33x 0.34x CY23E Gross Profit (Mgmt.) $299 9.7x 10.8x 11.6x 11.9x 12.2x 12.5x 12.8x 13.1x 13.4x CY24E Gross Profit (Mgmt.) 375 7.7 8.6 9.3 9.5 9.7 10.0 10.2 10.4 10.7 CY24E Growth-Adj. Gross Profit (Mgmt.)Ë› 25.4% 0.30x 0.34x 0.36x 0.37x 0.38x 0.39x 0.40x 0.41x 0.42x CY23E Adj. EBITDA (Mgmt.) $72 40.1x 44.8x 48.0x 49.2x 50.5x 51.7x 52.9x 54.1x 55.3x CY24E Adj. EBITDA (Mgmt.) 106 27.4 30.6 32.8 33.6 34.5 35.3 36.1 37.0 37.8 CY24E Growth-Adj. EBITDA (Mgmt.)² 25.4% 1.08x 1.20x 1.29x 1.33x 1.36x 1.39x 1.42x 1.46x 1.49x CY23E Adj. EBITDA (Consensus) $70 41.3x 46.1x 49.5x 50.7x 52.0x 53.2x 54.5x 55.7x 57.0x CY24E Adj. EBITDA (Consensus) 90 32.2 35.9 38.6 39.5 40.5 41.5 42.5 43.4 44.4 CY24E Growth-Adj. EBITDA (Consensus)² 23.3% 1.38x 1.54x 1.65x 1.70x 1.74x 1.78x 1.82x 1.86x 1.90x 21 Project Everest Source: Company filings, FactSet (10/19/23), Management Projections Note: Analysis assumes ~174.3mm shares at current price (and TSM); Includes 168.1mm basic shares outstanding and 6.2mm dilutive securities as of 10/20/23 1. Relative to unaffected date of 10/4/23 2. Calculated as TEV / ’24E Metric / ’23E-’24E Revenue Growth

Confidential – Draft Weighted Average Cost of Capital (WACC)—WholeCo ($ in millions) Selected Public Companies—Cost of Capital Cost of Equity and WACC Calculation Total Gross Market Enterprise Debt to Adj. Unl. Historical Supply-Side 2 2 Company Cap Value Equity Beta Beta Everest WholeCo $3,599 $3,233 0.0% 1.19 1.19 Everest Peers Everest Peers Enterprise Peers ACI Worldwide $2,349 $3,272 45.7% 0.97 0.73 Risk Free Rate1 5.3% 5.3% 5.3% 5.3% Flywire 3,826 3,237 0.0% 1.66 1.66 Payoneer 2,422 1,895 0.7% 1.08 1.07 2 Paymentus 1,905 1,746 0.0% 1.42 1.42 Unlevered Beta 1.19 1.32 1.19 1.32 AvidXchange 1,929 1,636 4.3% 1.49 1.44 SMB Peers Debt / Equity Ratio 0.0% 10.0% 0.0% 10.0% Bill Holdings $11,571 $10,770 16.1% 2.01 1.79 Paylocity 10,964 10,675 0.0% 1.08 1.08 Tax Rate3 26.0% 26.0% 26.0% 26.0% Paycor 4,425 4,959 0.0% 1.38 1.38 Doximity 4,719 3,846 0.0% 1.52 1.52 Levered Beta4 1.19 1.42 1.19 1.42 Evercommerce 1,923 2,371 27.8% 1.11 0.92 Definitive 1,212 1,122 21.5% 1.70 1.46 Market Risk Premium5 7.2% 7.2% 6.4% 6.4% Phreesia 963 850 0.4% 1.35 1.34 Weave Comm. 559 472 1.8% 1.41 1.39 5 Size Premium 0.9% 0.9% 0.9% 0.9% Overall Mean 9.1% 1.40 1.32 Overall Median 0.7% 1.41 1.39 WACC—Sensitivities Cost of Equity6 14.8% 16.4% 13.8% 15.3% Historical Supply-Side Pre-tax Cost of Debt7 6.6% 6.6% 6.6% 6.6% WACC WACC Debt / Equity Ratio Debt / Equity Ratio After-tax Cost of Debt 4.9% 4.9% 4.9% 4.9% 0.0% 10.0% 20.0% 0.0% 10.0% 20.0% 1.10 13.3% 13.8% 14.3% 1.10 12.5% 12.9% 13.4% Equity to Total Cap. 90.9% 90.9% 90.9% 90.9% Unl. Unl. 1.20 13.9% 14.5% 15.1% 1.20 13.0% 13.5% 14.1% Beta Beta WACC8 13.9% 15.4% 13.0% 14.3% 1.30 14.6% 15.2% 15.8% 1.30 13.6% 14.2% 14.7% Source: Company filings, FactSet (10/19/23), Ibbotson 1. 20-year Treasury rate as of 10/19/23 2. Raw Beta based on average of two-year weekly Beta, calculated in comparison to the S&P 500 index. Adjusted Beta = (2/3) 5. Kroll (2023). The market size of $3,599mm assumed for Everest WholeCo is equivalent to a 5th decile size premium * Raw Beta + (1/3) * 1. Unlevered Beta = Levered Beta / (1 + (1—Tax rate) * (Debt / Equity)) 6. Cost of Equity = Risk Free Rate + (Market Risk Premium * Levered Beta) 3. Assumes 26% tax rate based on federal and state corporate tax rates 7. Based off YTW of Bill Holdings 4. Levered Beta = Unlevered Beta * (1 + (1—Tax Rate) * (Debt / Equity)) 8. WACC = Cost of Equity * Equity to Total Capitalization + After-tax Cost of Debt * (1—Equity to Total Capitalization) 22 Project Everest

Confidential – Draft Trading Multiples Over Time TEV / NTM Revenue (Since IPO1) 20.0x TEV / NTM Revenue Everest IGV 17.5x Current (10/19/23) 7.2x 7.0x 16.0x 3 Months Average 6.3 7.2 6 Months Average 6.4 7.0 1 Year Average 6.9 6.6 12.0x 10.6x 8.0x 7.2x (10.3x) 7.0x (3.6x) 4.0x Oct-21 Mar-22 Aug-22 Dec-22 May-23 Oct-23 Everest IGV TEV / NTM EBITDA (Last 12 Months) 70.0x TEV / NTM EBITDA Everest IGV 57.9x Current (10/19/23) 37.5x 20.1x 55.0x 3 Months Average 33.1 20.3 6 Months Average 34.2 20.0 1 Year Average 39.3 19.1 40.0x 37.5x (20.4x) 25.0x 20.1x +2.5x 17.6x 10.0x Oct-22 Dec-22 Mar-23 May-23 Aug-23 Oct-23 Everest IGV 23 Project Everest Source: FactSet (10/19/23) 1. Chart begins October 2021, the most recent date broker estimates are available following Everest’s IPO (9/23/21)

Confidential – Draft Present Value of Future Share Price (NTM EBITDA) ($ in millions, expect per share data) Illustrative Future Share Price Analysis Illustrative Present Value of the Future Share Price (@ Various NTM EBITDA Multiples) (@ Various NTM EBITDA Multiples) $46.27 30.0x—26.0x NTM EBITDA $43.10 30.0x—24.0x NTM EBITDA 30.0x—26.0x NTM $35.99 EBITDA; 14.0% CoE 30.0x—22.0x $34.43 $39.94 NTM EBITDA Average PV of FSP – High Range: $30.22 $25.09 $26.80 $28.16 $27.54 $23.38 $25.64 30.0x—24.0x NTM $26.97 $32.86 $22.89 EBITDA; 14.0% CoE $20.61 $19.95 $26.09 $20.61 $26.40 $19.95 $24.47 30.0x—22.0x NTM $22.41 $20.61 $19.95 EBITDA; 14.0% CoE $18.71 $18.71 Average PV of FSP – Low Range: $23.23 Unaffected 12/31/23 12/31/24 12/31/25 12/31/26 Unaffected 12/31/23 12/31/24 12/31/25 12/31/26 Price Price PV of Future Share Price Analysis (9/30/23) NTM EBITDA Multiple Method FYE 12/31, 2023E 2024E 2025E 2026E NTM EBITDA (Mgmt. Plan) $106 $149 $205 $276 (x) NTM EBITDA Multiple 30.0x 28.0x 26.0x 24.0x Future TEV $3,172 $4,175 $5,322 $6,621 Plus: Net Cash1 420 525 677 891 Future Equity Value $3,592 $4,700 $6,000 $7,512 (/) FDSO1 174.3 174.3 174.3 174.3 Implied Future Share Price $20.61 $26.97 $34.43 $43.10 (x) Discount Factor @ 14.0% CoE 0.97x 0.85x 0.74x 0.65x PV of Future Share Price $19.95 $22.89 $25.64 $28.16 % Premium to Unaffected 30D VWAP (10/4/23) 12.4% 29.0% 44.5% 58.7% 24 Project Everest Source: Company Filings, Management Projections, FactSet (10/19/23) 1. Net cash and FDSO balance projections per Management

Confidential – Draft Illustrative Sum-of-the-Parts Analysis –Trading Multiples and Precedents ($ in millions, expect per share data) Corp. Enterprise SMB Total Cash Trading Multiples Low High Low High Low High Select Segment Peer Set Methodology ‘24E EBITDA 1 ‘24E EBITDA1 Metric $14 $14 $97 $97 (x) Multiple Range 30.0x 35.0x 28.0x 36.0x Enterprise Value $414 $482 $2,715 $3,490 $3,128 $3,973 Implied EBITDA Multiple 30.0x 35.0x 28.0x 36.0x 29.6x 37.6x Net Debt (Cash) (74) (74) (10) (10) (282) (366) (366) Equity Value $487 $556 $2,725 $3,500 $282 $3,494 $4,339 FDSO 174.3 174.3 174.3 174.3 174.3 174.3 174.3 Implied Price / Share $2.80 $3.19 $15.63 $20.08 $1.62 $20.05 $24.90 % Prem. / (Disc.) to Unaffected 30D VWAP (10/4/23) 13.0% 40.3% Precedent Txns. Methodology NTM Revenue (9/30/23) NTM EBITDA (9/30/23) Metric $181 $181 $91 $91 (x) Multiple Range 4.0x 5.0x 30.0x 40.0x Enterprise Value $725 $906 $2,715 $3,621 $3,440 $4,526 Implied Multiple 4.0x 5.0x 30.0x 40.0x 32.5x 42.8x Net Debt (Cash) (74) (74) (10) (10) (282) (366) (366) Equity Value $798 $979 $2,726 $3,631 $282 $3,806 $4,892 FDSO 174.3 174.3 174.3 174.3 174.3 174.3 174.3 Implied Price / Share $4.58 $5.62 $15.64 $20.83 $1.62 $21.84 $28.07 % Prem. / (Disc.) to Unaffected 30D VWAP (10/4/23) 23.1% 58.2% 25 Project Everest Source: Company filings, FactSet (10/19/23), Management Projections 1. 55% and 45% of allocatable corporate overhead (total overhead less costs for management team, overlapping services, and other redundancies) allocated to Enterprise and SMB segments, respectively, per Management; Allocatable corporate overhead includes public company costs

Confidential – Draft Illustrative Tax Impact of Sale of Enterprise ($ in millions, except per share data) Range based on valuation range of Enterprise implied by Trading Multiples and Precedents methodologies Enterprise Select Precedent Transactions Mid-point of Trading Multiples Mid-point of Precedent Transactions Implied Price / Share (Pre-Tax)—Midpoints $2.99 $5.10 Implied Enterprise Value (Pre-Tax) $448 $815 (-) Tax Basis (116) (116) Gain on Sale 332 699 Assumed Tax Rate 26.0% 26.0% Illustrative Tax Impact 86 182 Implied After Tax Enterprise Value $362 $633 (-) Net Debt (Cash) (74) (74) Equity Value $436 $707 FDSO 174.3 174.3 Implied Price / Share (Tax-Affected) $2.50 $4.06 Implied Tax Impact / Share ($0.50) ($1.04) Source: Company filings, FactSet (10/19/23), Management Projections 26 Project Everest

Confidential – Draft Preliminary Leveraged Buyout Analysis ($ in millions, except per share data) Key Assumptions Financial Summary and Credit Statistics Management Projections Extrap. Illustrative transaction close date of September 30, Calendar Year Ended 12/31, 2023E 3 2024E 2025E 2026E 2027E 2028E 2023 and exit on December 31, 2028 (5.25-year Revenue $101 $469 $588 $726 $886 $1,040 holding period) % Growth 25.4% 25.3% 23.4% 22.1% 17.3% Adj. EBITDA $20 $106 $149 $205 $276 $336 Illustrative Sources & Uses shows entry at $22.00 % Margin 19.9% 22.5% 25.3% 28.2% 31.1% 32.3% offer price per share (24.0% premium to unaffected (+) PubCo Cost Savings 2 9 9 10 11 12 30-Day VWAP1), for a purchase TEV of $3.5bn Adj. EBITDA (incl. PubCo Cost Savings) $22 $114 $159 $215 $287 $348 Exit at 24.0x LTM EBITDA, based on current peer % Margin 21.8% 24.4% 27.0% 29.6% 32.4% 33.5% trading multiples Adj. EBIT (incl. PubCo Cost Savings)4 $17 $94 $136 $194 $264 $322 % Margin 17.0% 20.0% 23.1% 26.8% 29.7% 31.0% 6.5x Target Gross Leverage, consisting of: (-) Cash Taxes (0) (13) (27) (45) (65) (83) % Tax Rate 38.3% 33.9% 30.3% 28.1% 26.6% 26.0% 6.5x Unitranche @ S+CSA+650bps, 97.0 OID, 1.0% amortization, no financing fees (+) Depreciation 1 7 9 12 16 19 (+) Intangible Amortization 4 14 14 9 8 8 $70mm minimum cash balance2 (-) Net Interest Expense (14) (52) (43) (32) (15) (0) (-) Changes in NWC 1 4 5 6 6 7 $50mm transaction fees (-) Capital Expenditures (2) (12) (13) (15) (18) (21) Levered Free Cash Flow $6 $42 $80 $128 $196 $252 4% management promote Cumulative Free Cash Flow 6 48 128 256 452 703 Sources Memo: Leverage and Credit Statistics Unitranche Facility $492 Net Debt $374 $295 $166 ($30) ($281) Pro Forma Debt 492 Total Debt / Adj. EBITDA 3.9x 2.3x 1.1x 0.1x 0.0x Balance Sheet Cash 366 Net Debt / Adj. EBITDA 3.3 1.9 0.8 NM NM Sponsor Equity 3,112 Implied TEV and Offer Price (’28 Exit, 6.5x Gross Leverage) Total Sources $3,970 Implied Purchase Equity Implied Offer Price Exit LTM EBITDA Multiple Exit LTM EBITDA Multiple Uses 22.0x 24.0x 26.0x 22.0x 24.0x 26.0x Everest Purchase Equity $3,835 Minimum Cash 70 17.5% $3,628 $3,914 $4,201 17.5% $22.91 $24.54 $26.18 Transaction Fees 50 Req’d Req’d 20.0% 3,285 3,542 3,799 20.0% $20.95 $22.42 $23.88 Financing Fees & OID 15 IRR IRR Total Uses $3,970 22.5% 2,985 3,215 3,446 22.5% $19.24 $20.55 $21.87 27 Project Everest Source: Company filings, Management Projections, FactSet (10/19/23) 1. 30-Day VWAP ($17.74) as of 10/4/23 (the unaffected date) 3. Represents 4Q’23 metrics 2. Approximately 2.5x monthly expenses in September 2023, per Management guidance 4. Burdened by intangible amortization

Confidential – Draft Summary of Equity Research Perspectives Selected Analyst Price Targets1 Analyst Commentary Broker Date Rating Target² Valuation Methodology William Blair 9/18/23 Buy NA Strong combination of growth and EV / Revenue, EV / EBITDA profitability, well insulated from macro Citi 8/24/23 Buy 22.00 DCF, EV / Revenue slowdown J.P. Morgan 8/22/23 Hold 19.00 DCF, FCF Per Share Lower cash flow conversion in 2023 Needham 8/3/23 Buy 40.00 EV / Revenue due to higher cash taxes Truist 8/3/23 Buy 30.00 DCF Robust customer growth in SMB Raymond James 8/3/23 Buy 25.00 SOTP (EV / Revenue , EV / GP) driven by core mental health and emerging verticals (speech pathology Bank of America 8/3/23 Buy 23.00 EV / Revenue and occupational therapy) Craig-Hallum 8/3/23 Buy 22.00 EV / EBITDA Potential execution risk as it expands target market within SMB KeyBanc 8/3/23 Buy 20.00 -Deutsche Bank 8/3/23 Hold 21.00 DCF Goldman Sachs 7/13/23 Hold 21.00—Revenue Cycle Management product expected to drive long-term growth Mean $24.30 Potential overhang from private Median 22.00 equity ownership 25th Percentile 21.00 Attractive opportunity to expand into 75th Percentile 24.50 larger group practices, but still early innings Actual Share Performance vs. Target Price (Since IPO)1 Analyst Rating History $60 Premium to Unaffected 30-Day VWAP ($17.74)ł: 24.0% 10 10 10 10 10 10 11 11 11 11 11 12 20% 20% 20% 20% 20% 20% 18% 18% 25% 27% 27% 27% $40 $22.00 (45.0%) 80% 80% 80% 80% 80% 80% 82% 82% 75% 73% 73% 73% $20 $20.65 (39.5%) $—11/19/21 4/7/22 8/25/22 1/12/23 6/1/23 10/19/23 Everest Price Median PT Buy Hold 28 Project Everest Source: FactSet (10/19/23), Bloomberg, Wall Street research 1. Analyst price targets prior to 10/5/23 leak 2. Target price not discounted to present value 3. Represents 30-Day VWAP as of 10/4/23 (the unaffected date)

Confidential – Draft North America Take Private Premiums Paid Analysis Analysis of last 3 years of take private transactions with TEV > $1.0bn – 98 Deals Premium to Unaffected Premium to 30-Day VWAP1 Number of Deals Number of Deals 10 17 18 14 13 26 9 13 14 16 18 28 Median: 32.9% Median: 37.9% 28.6% Mean: 34.4% 26.5% Mean: 38.9% 18.4% 18.4% 17.3% 14.3% 14.3% 16.3% 13.3% 13.3% 10.2% 9.2% <10% 10%-20% 20%-30% 30%-40% 40%-50% >50% <10% 10%-20% 20%-30% 30%-40% 40%-50% >50% Premium to 60-Day VWAP1 Premium to 90-Day VWAP1 Number of Deals Number of Deals 10 13 15 18 10 32 19 8 11 15 11 34 Median: 37.0% Median: 37.4% Mean: 39.4% 32.7% Mean: 40.4% 34.7% 18.4% 19.4% 15.3% 13.3% 15.3% 10.2% 10.2% 11.2% 11.2% 8.2% <10% 10%-20% 20%-30% 30%-40% 40%-50% >50% <10% 10%-20% 20%-30% 30%-40% 40%-50% >50% Source: Thomson Reuters, FactSet, Company Filings Note, does not include REITS, Real Estate, BDCs, and MLPs 1. VWAP relative to unaffected date 29 Project Everest

Confidential – Draft Segment Financial Summary – Management Projections ($ in millions) Everest Enterprise Everest SMB 2021A 2022A 2023E 2024E 2025E 2026E 2027E 2021A 2022A 2023E 2024E 2025E 2026E 2027E Revenue $99 $128 $157 $192 $239 $294 $359 $109 $165 $217 $277 $350 $432 $527 % Growth 29.7% 23.1% 21.9% 24.3% 23.2% 22.1% 51.9% 31.1% 27.9% 26.0% 23.6% 22.1% (–) COGS (20) (24) (29) (37) (44) (52) (62) (25) (36) (46) (58) (71) (85) (100) % of Rev. 20.6% 18.9% 18.7% 19.0% 18.4% 17.8% 17.4% 22.7% 21.8% 21.3% 20.9% 20.2% 19.6% 18.9% Gross Profit $78 $104 $128 $155 $195 $242 $297 $84 $129 $171 $220 $279 $347 $428 % Margin 79.4% 81.1% 81.3% 81.0% 81.6% 82.2% 82.6% 77.3% 78.2% 78.7% 79.1% 79.8% 80.4% 81.1% (–) S&M1 (47) (61) (74) (85) (101) (118) (137) (21) (33) (42) (54) (68) (83) (99) % of Rev. 47.2% 47.7% 47.3% 44.4% 42.4% 40.2% 38.1% 19.7% 19.9% 19.3% 19.4% 19.4% 19.2% 18.7% (–) R&D (13) (18) (23) (30) (37) (45) (54) (18) (27) (39) (47) (58) (72) (86) % of Rev. 13.6% 13.8% 14.7% 15.6% 15.4% 15.5% 15.0% 16.1% 16.1% 17.8% 16.9% 16.7% 16.6% 16.3% (–) G&A2 (14) (23) (25) (28) (33) (38) (44) (18) (22) (23) (27) (31) (34) (39) % of Rev. 13.7% 17.8% 16.1% 14.8% 14.0% 12.9% 12.3% 16.3% 13.5% 10.5% 9.7% 8.8% 8.0% 7.3% Adj. EBIT $5 $2 $5 $12 $23 $40 $62 $27 $48 $68 $92 $122 $158 $205 % Margin 4.8% 1.7% 3.1% 6.2% 9.8% 13.7% 17.2% 25.2% 28.7% 31.1% 33.1% 34.9% 36.7% 38.8% (+) D&A 1 1 2 2 2 3 4 1 2 3 5 7 9 12 % of Rev. 1.2% 1.0% 1.0% 1.0% 1.0% 1.1% 1.1% 1.1% 1.1% 1.3% 1.8% 1.9% 2.0% 2.2% Adj. EBITDA $6 $3 $6 $14 $26 $43 $66 $29 $49 $70 $97 $129 $167 $216 % Margin 6.0% 2.6% 4.1% 7.2% 10.8% 14.8% 18.3% 26.3% 29.9% 32.4% 34.9% 36.8% 38.7% 41.0% Source: Company filings, Management Projections Note: 2021A-2023E Enterprise figures pro forma for sale of HealthPay24 1. Includes residuals 2. 55% and 45% of allocatable corporate overhead (total overhead less costs for management team, overlapping services, and other redundancies) allocated to Enterprise and SMB segments, respectively, per Management; Allocatable corporate overhead includes public company costs 30 Project Everest

Confidential – Draft Reconciliation of Corporate Overhead Allocations ($ in millions) Historical Management Projections 2021A 2022A 2023E 2024E 2025E 2026E 2027E Total Corporate Overhead $19 $31 $34 $41 $47 $52 $60 (–) Corporate-Level-Only Costs1 (4) (4) (5) (5) (5) (6) (6) Allocatable Overhead $15 $27 $30 $36 $41 $46 $54 Enterprise Allocation $8 $15 $16 $20 $23 $25 $30 % of Allocatable Overhead 55.0% 55.0% 55.0% 55.0% 55.0% 55.0% 55.0% SMB Allocation $7 $12 $13 $16 $19 $21 $24 % of Allocatable Overhead 45.0% 45.0% 45.0% 45.0% 45.0% 45.0% 45.0% Enterprise EBITDA (Pre-Corp. Expenses) $14 $18 $23 $34 $49 $69 $95 % Margin 14.4% 14.3% 14.5% 17.5% 20.4% 23.4% 26.6% (–) Corporate Overhead (55% Allocation) (8) (15) (16) (20) (23) (25) (30) Enterprise EBITDA (Post-Corp. Expenses) $6 $3 $6 $14 $26 $43 $66 % Margin 6.0% 2.6% 4.1% 7.2% 10.8% 14.8% 18.3% SMB EBITDA (Pre-Corp. Expenses) $35 $62 $84 $113 $147 $188 $241 % Margin 32.5% 37.2% 38.6% 40.8% 42.1% 43.5% 45.6% (–) Corporate Overhead (45% Allocation) (7) (12) (13) (16) (19) (21) (24) SMB EBITDA (Post-Corp. Expenses) $29 $49 $70 $97 $129 $167 $216 % Margin 26.3% 29.9% 32.4% 34.9% 36.8% 38.7% 41.0% Source: Company filings, Management Projections Note: Enterprise is Pro Forma for divestiture of HealthPay24 1. Represents duplicated costs for management team, overlapping services, and other redundancies (e.g., Everest corporate-level S&M expense), based on discussion with Management 31 Project Everest