Issuer Free Writing Prospectus

Dated December 4, 2019

Filed Pursuant to Rule 433

Registration No. 333-218483

Member FDIC Investor Presentation December 2019 NYSE: CUBI

2 This presentation, as well as other written or oral communications made from time to time by us, contains forward - looking inform ation within the meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. These statements relate to future events or future predictions, in clu ding events or predictions relating to future financial performance, and are generally identifiable by the use of forward - looking terminology such as “believe,” “expect,” “may,” “will,” “should,” “plan,” “intend,” or “anticipate” or the negative thereof or comparable terminology. Forward - looking statements in this presentation include, among other matters, guidance for our financial performance, and our f inancial performance targets. Forward - looking statements reflect numerous assumptions, estimates and forecasts as to future events. No assurance can be given that the assumptions, estimates and forecasts underlying such forward - looking statements will accurately reflect future conditions, or that any guidance, goals, targets or pr ojected results will be realized. The assumptions, estimates and forecasts underlying such forward - looking statements involve judgments with respect to, among other things, future economic, com petitive, regulatory and financial market conditions and future business decisions, which may not be realized and which are inherently subject to significant business, economic, comp eti tive and regulatory uncertainties and known and unknown risks, including the risks described under “Risk Factors” in our Annual Report on Form 10 - K for the year ended December 31, 201 8 and subsequent Quarterly Reports on Form 10 - Q and current reports on Form 8 - K, including any amendments thereto, as such factors may be updated from time to time in our filings with the SEC. Our actual results may differ materially from those reflected in the forward - looking statements. In addition to the risks described under “Risk Factors” in our filings with the SEC, important factors to consider and evalua te with respect to our forward - looking statements include: • changes in external competitive market factors that might impact our results of operations; • changes in laws and regulations, including without limitation , changes in capital requirements under Basel III; • changes in our business strategy or an inability to execute our strategy due to the occurrence of unanticipated events; • our ability to identify potential candidates for, and consummate, acquisition or investment transactions; • the timing of acquisition, investment or disposition transactions; • constraints on our ability to consummate an attractive acquisition or investment transaction because of significant competiti on for these opportunities; • local, regional and national economic conditions and events and the impact they may have on us and our customers; • costs and effects of regulatory and legal developments, including the results of regulatory examinations and the outcome of regulatory or other go vernmental inquiries and proceedings, such as fines or restrictions on our business activities; • our ability to attract deposits and other sources of liquidity; • changes in the financial performance and/or condition of our borrowers; • changes in the level of non - performing and classified assets and charge - offs; • changes in estimates of future loan loss reserve requirements based upon the periodic review thereof under relevant regulator y a nd accounting requirement s, including the adoption of the Current Expected Credit Losses standard ; • inflation, interest rate, securities market and monetary fluctuations , including the discontinuance of LIBOR ; • timely development and acceptance of new banking products and services and perceived overall value of these products and services by users, including the products and services being developed and introduced to the market by the BankMobile division of Customers Bank; • changes in consumer spending, borrowing and saving habits; • technological changes; • our ability to increase market share and control expenses; • continued volatility in the credit and equity markets and its effect on the general economy; • effects of changes in accounting policies and practices, as may be adopted by the regulatory agencies, the Financial Accounting Standards Board and other accounting standard setters; • the businesses of Customers Bank and any acquisition targets or merger partners and subsidiaries not integrating successfully or such integration being more difficult, time - consuming or costly than expected; Forward - Looking Statements

3 • material differences in the actual financial results of merger and acquisition activities compared with our expectations, such as with respect to the full realization of anticipated cost savings and revenue enhancements within the expected time frame; • our ability to successfully implement our growth strategy, control expenses and maintain liquidity; • Customers Bank's ability to pay dividends to Customers Bancorp; • risks relating to BankMobile, including: • our ability to maintain interchange income with the small issuer exemption to the Durbin amendment to the Dodd - Frank Wall Street Reform and Consumer Protection Act ; • the implementation of Customers Bancorp, Inc.'s strategy to retain BankMobile for 2 - 3 years, the possibility that the expected benefits of retaining BankMobile for 2 - 3 years may not be achieved, or the possible effects on Customers' results of operations if BankMobile is never divested causing Customers Bancorp's actual results to differ from those in the forward - looking statements; • our ability to manage our balance sheet under $10 billion ; • our ability to successfully complete a divestiture of BankMobile and the timing of completion; • the ability of Customers and an acquirer of BankMobile to meet all of the conditions to completion of the proposed divestiture; • our ability to execute on our White Label strategy to grow demand deposits through strategic partnerships; • material variances in the adoption rate of BankMobile's services by new students • the usage rate of BankMobile's services by current student customers compared to our expectations; Forward - Looking Statements (Cont.) • the levels of usage of other BankMobile student customers following graduation of additional product and service offerings of BankMobile or Customers Bank, including mortgages and consumer loans, and the mix of products and services used; • our ability to implement changes to BankMobile's product and service offerings under current and future regulations and governmental policies; • our ability to effectively manage revenue and expense fluctuations that may occur with respect to BankMobile's student - oriented business activities, which result from seasonal factors related to the higher - education academic year; and • BankMobile's ability to successfully implement its growth strategy and control expenses. • risks related to planned changes in our balance sheet, including: • our ability to reduce the size of our multi - family loan portfolio; • our ability to execute our digital distribution strategy; and • our ability to manage the risk of change in our loan mix to include a greater proportion of consumer loans. You are cautioned not to place undue reliance on any forward - looking statements we make, which speak only as of the date they are made. We do not undertake any obligation to release publicly or otherwise provide any revisions to any forward - looking statements we may make, including any forward - looking financial information, to reflect events or circumstances occurring after the date hereof or to reflect the occurrence of unanticipated events, except as may be required under applicable law. This presentation shall not constitute an offer to sell or the solicitation of an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

4 Transaction Summary (1) Actual offering size and pricing may differ materially from the figures shown; offering size and pricing to be determined by neg otiations between the Company and the underwriters (2) Callable prior to December 30, 2029 upon the occurrence of a Tax Event, a Tier 2 Capital Event or an Investment Company Event , a s defined in the prospectus supplement (3) A rating is not a recommendation to buy, sell or hold securities. Ratings may be subject to revision or withdrawal at any tim e b y the assigning rating organization. Each rating agency has its own methodology for assigning ratings and, accordingly, each rating should be evaluated independently of any other ra tin g (4) May include working capital and the funding of organic growth at Customers Bank. However, Customers Bancorp, Inc. may also us e a portion of the net proceeds to ( i ) redeem shares of its preferred stock once they become redeemable, (ii) repurchase shares of its common stock or (iii) fund, in whole or in part, possible future acquisitions of other financial services businesses Issuer Customers Bancorp, Inc. (NYSE: CUBI) Security Subordinated Notes Exchange NYSE Offering Size $35,000,000 (1) Notes Offered 1,400,000 (1) Overallotment Option 15% Par Value $25.00 Coupon 5.50% (1) Maturity December 30, 2034, unless redeemed prior to maturity Optional Redemption Non - call for 10 years. Callable at par on December 30, 2029 and any interest payment date thereafter (2) Issue Rating BBB - by Kroll Bond Rating Agency (3) Use of Proceeds General corporate purposes (4) Expected Pricing Date 12/04/2019 Book - Running Managers B. Riley FBR, D.A. Davidson & Co., and Janney Montgomery Scott Lead Managers William Blair and Boenning & Scattergood Co - Managers Incapital , Maxim, and Wedbush Securities

5 Q3 2019 Highlights • Net interest margin, tax equivalent (1) (“NIM”), expanded 19 basis points during the quarter • Total deposits grew 5% year over year and 9% during Q3 2019; DDA’s grew 25% year over year • Loan mix improved • Multi - family loans declined 20% year over year and 7% during Q3 2019 • Strong C&I loan growth; 26% year over year and 6% during Q3 2019 • Consumer loans total $644 million at September 30, 2019, equal to about 6% of total CUBI loans at September 30, 2019. None of the consumer loans are subprime loans (2) . The average FICO score of the consumer loans is 747 • BankMobile segment Q3 2019 net earnings of $0.02 per diluted share • Credit quality remains strong • Non - performing loans were only 0.17% of total loans at September 30, 2019 and reserves equaled 290% of non - performing loans. Consumer loans are performing at or better than expectations (1) A non - GAAP measure, refer to the reconciliation schedules at the end of this document (2) Customers considers sub - prime borrowers to be those with FICO scores below 660

6 Q3 2019 Profitability – Significant Improvement (1) Non - GAAP measures ; refer to the reconciliation schedules at the end of this document NM – not meaningful QoQ YoY ($ in thousands) Q3 2019 Q2 2019 Q3 2018 $ Change % Change $ Change % Change GAAP Profitability Metrics: GAAP earnings $23,451 $5,681 $2,414 $17,770 NM $21,037 NM Diluted EPS $0.74 $0.18 $0.07 $0.56 NM $0.67 NM ROAA 0.95% 0.36% 0.22% 0.59% NM 0.73% NM ROCE 11.81% 2.96% 1.31% 8.85% NM 10.50% NM Non - GAAP Profitability Metrics (1) : Core earnings $23,024 $12,083 $20,053 $10,941 91% $2,971 15% Core diluted EPS $0.73 $0.38 $0.62 $0.35 92% $0.11 18% NIM, TE 2.83% 2.64% 2.47% 0.19% 7% 0.36% 15% Core ROAA 0.94% 0.61% 0.88% 0.33% 54% 0.06% 7% Core ROCE 11.59% 6.31% 10.86% 5.28% 84% 0.73% 7%

7 Q3 2019 Consolidated Results Q3 2019 Net Income to Common Shareholders of $23.5 million, and Diluted Earnings Per Common Share of $0.74. • $0.72 of diluted EPS from the Customers Bank Business Banking segment • $0.02 of diluted EPS from the BankMobile segment (1) A non - GAAP measure ; refer to the reconciliation schedules at the end of this document GAAP vs. Core EPS (1) $0.07 $0.44 $0.38 $0.18 $0.74 $0.62 $0.53 $0.38 $0.38 $0.73 $- $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 $0.70 $0.80 Q3 2018 Q4 2018 Q1 2019 Q2 2019 Q3 2019 GAAP EPS Core EPS (1) Q3 2018 Q4 2018 Q1 2019 Q2 2019 Q3 2019 GAAP EPS 0.07$ 0.44$ 0.38$ 0.18$ 0.74$ Notable Items: Severance - 0.04 - 0.01 - Losses on sale of multi-family loans - 0.03 - - - Merger and Acquisition related expenses 0.07 0.01 - - - Loss upon acquisition of interest-only GNMA securities - - - 0.18 - Legal reserves - - - - 0.05 Securities (gains)/losses 0.48 0.00 - 0.01 (0.06) Core EPS (1) 0.62$ 0.53$ 0.38$ 0.38$ 0.73$

8 Q3 2019 Net Interest Margin Source : Company data FTE Net Interest Margin (1) (1) A non - GAAP measure; refer to the reconciliation schedules at the end of this document 16 bps increase in yield on interest earning assets Q3 2019 over Q2 2019: 17 bps increase in yield on total loans and leases (6 bps increase in yield on the consumer portfolio and a 7 bps increase in yield on the multi - family portfolio, offset in part by an 18 bps decrease in yield on commercial loans to mortgage companies). 4 bps decrease in cost of total deposits and borrowing Q3 2019 over Q2 2019 $1.5 $1.0 $0.9 $0.9 $0.9 $8.9 $8.6 $8.4 $9.0 $9.8 4.24% 4.31% 4.41% 4.56% 4.72% $0 $2 $4 $6 $8 $10 $12 Q3 2018 Q4 2018 Q1 2019 Q2 2019 Q3 2019 0.0% 1.0% 2.0% 3.0% 4.0% 5.0% 6.0% $ in millions Interest - Earning Assets Securities & Other Loans Yield on Interest-Earning Assets $1.9 $1.0 $1.4 $1.5 $1.8 $6.7 $6.7 $5.9 $6.5 $6.9 2.13% 2.17% 2.31% 2.39% 2.33% $0 $1 $2 $3 $4 $5 $6 $7 $8 $9 $10 Q3 2018 Q4 2018 Q1 2019 Q2 2019 Q3 2019 0.0% 0.5% 1.0% 1.5% 2.0% 2.5% 3.0% $ in millions Interest - Bearing Liabilities Borrowings Deposits Cost of Interest-Bearing Liabilities

9 We are improving our funding mix as we r e place higher cost funding with lower cost core deposits from BankMobile, our Digital Direct Bank, and core business units Source: Company Data Total may not sum due to rounding 2019 Deposits: Growth In The Right Areas Deposit Growth Sep 2018 Dec 2018 Mar 2019 Jun 2019 Sep 2019 CD's $2.4 B $1.7 B $1.6 B $2.4 B $2.4 B MMKT / Savings $3.9 B $3.5 B $3.7 B $3.4 B $3.8 B DDA $2.2 B $1.9 B $2.2 B $2.3 B $2.7 B Total $8.5 B $7.1 B $7.4 B $8.2 B $8.9 B $2.2 $1.9 $2.2 $2.3 $2.7 $3.9 $3.5 $3.7 $3.4 $3.8 $2.4 $1.7 $1.6 $2.4 $2.4 - 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 Deposits ($ in Billions) DDA MMKT / Savings CD's $0.0 B -1% $0.0 B 1% $0.4 B 10% -$0.2 B -4% $0.4 B 18% $0.5 B 25% $0.7 B 9% $0.4 B 5% Growth QoQ YoY

10 QoQ YoY $0.1 B 16% $0.6 B NM $0.0 B -4% $0.1 B 19% $0.1 B 7% $0.1 B 6% $0.1 B 6% $0.5 B 26% $0.5 B 24% $1.0 B 62% -$0.2 B -7% -$0.7 B -20% $0.6 B 6% $1.5 B 17% Growth Q3 2019 Loans Q3 2019 loans totaled $10.3 Billion • The yield on loans increased 17 bps from Q2 2019, and 41 bps over Q3 2018 • 108% YOY growth in consumer loans and residential mortgages • 26% YOY growth in C&I (excluding commercial loans to mortgage companies) • 20% YOY decline in multi - family loans Source : Company data Loan Growth Sep 2018 Dec 2018 Mar 2019 Jun 2019 Sep 2019 Consumer $0.0 B $0.1 B $0.1 B $0.5 B $0.6 B Residential Mortgage $0.6 B $0.7 B $0.7 B $0.7 B $0.7 B Non-Owner Occupied CRE $1.3 B $1.2 B $1.2 B $1.2 B $1.3 B Commercial - C&I, Owner Occupied $1.8 B $1.9 B $2.0 B $2.1 B $2.3 B Commerical - Mortgage Warehouse $1.6 B $1.5 B $1.5 B $2.1 B $2.5 B Multi-family Loans $3.5 B $3.3 B $3.2 B $3.0 B $2.8 B Total Loans $8.8 B $8.5 B $8.7 B $9.7 B $10.3 B Yield 4.38% 4.37% 4.48% 4.62% 4.79% $3.5 $3.3 $3.2 $3.0 $2.8 $1.6 $1.5 $1.5 $2.1 $2.5 $1.8 $1.9 $2.0 $2.1 $2.3 $1.3 $1.2 $1.2 $1.2 $1.3 $0.6 $0.7 $0.7 $0.7 $0.7 $0.0 $0.1 $0.1 $0.5 $0.6 4.38% 4.37% 4.48% 4.62% 4.79% 0.0% 1.0% 2.0% 3.0% 4.0% 5.0% $0 $2 $4 $6 $8 $10 $12 Yield on Loans Loans ($ in Billions)

11 Superior Operating Efficiency and Costs (1) Source : S&P Global and Company data . Data based on Customers Bank Business Banking Segment unless labeled Consolidated . Peer data consists of Northeast and Mid - Atlantic banks and thrifts with comparable asset size and predominantly commercial business focused loan portfolios as further described in our 2019 proxy . Industry data includes all commercial and savings banks . Industry and peer data in the current YTD period is not yet available for all companies, therefore peer and industry data is as of June 30 , 2019 . (2) Operating costs consist of all non - interest expenses . Total Operating Costs as a % of Average Assets (1) Our Customers Bank Business Banking Segment operating costs (2) , as a percentage of average assets, are at least 96 bps lower than peers and approximately 134 bps lower than the industry 3.17% 3.13% 3.08% 3.03% 2.97% 2.83% 2.69% 2.63% 2.52% 2.60% 2.45% 2.44% 1.75% 1.48% 1.44% 1.27% 1.42% 1.48% 0.00% 0.50% 1.00% 1.50% 2.00% 2.50% 3.00% 3.50% 2014 2015 2016 2017 2018 YTD Sep 2019 Industry Peer Customers Bank Business Banking

12 NPLs to Total Loans Source : S&P Global, Company data . Peer data consists of Northeast and Mid - Atlantic banks and thrifts with comparable asset size and predominantly commercial business focused loan portfolios as further described in our 2019 proxy . Industry data includes all commercial and savings banks . Peer and industry data as of June 30 , 2019 . Industry and peer data in the current YTD period is not yet available for all companies . Outstanding Credit Quality Net Charge Offs / Average Total Loans Note: Customers 2015 charge - offs includes 12 bps for a $9 million fraudulent loan Credit metrics remain better than peers 2.06% 1.70% 1.55% 1.55% 1.11% 1.07% 1.18% 0.92% 0.85% 0.80% 0.73% 0.71% 0.20% 0.15% 0.22% 0.30% 0.32% 0.17% -0.25% 0.25% 0.75% 1.25% 1.75% 2.25% 2014 2015 2016 2017 2018 YTD Sep 2019 Industry Peer Customers Bancorp 0.48% 0.42% 0.45% 0.47% 0.45% 0.47% 0.19% 0.16% 0.15% 0.15% 0.18% 0.15% 0.07% 0.19% 0.02% 0.07% 0.04% 0.05% 0.00% 0.10% 0.20% 0.30% 0.40% 0.50% 2014 2015 2016 2017 2018 YTD Sep 2019 Industry Peer Customers Bancorp

13 Strategic Priorities Articulated at Analyst Day in October 2018 – Summing It Up • ROAA was 0.95% in Q3 2019, up significantly from Q2 2019 and Q3 2018 • NIM (1) expanded to 2.83% in Q3 2019 • Customers effectively restructured its balance sheet resulting in NIM expansion of 36 bps in one year • BankMobile segment profitability achieved by year end 2019 • BankMobile achieved profitability in Q3 2019 • Expense control • Modest growth in Customers Bank Business Banking segment expenses during 2019 • Incremental spend in other areas will be driven by revenue growth or new business or technology initiatives at BankMobile • Consolidated efficiency ratio was 61.58% in Q3 2019, down from 77.32% in Q2 2019 and 66.42% in Q3 2018. • Growth in core deposits and good qualify higher - yielding loans • DDA’s grew 24.8% year over year • During Q4 2019 we currently plan to sell approximately $500 million of multi - family loans and expect run - off of $300 million or more • Maintain strong credit quality and superior risk management • Reserves to NPLs at September 30, 2019 were 290% • Bank is relatively neutral to interest rate changes at September 30, 2019 • Evaluate opportunities to redeem preferred stock • Redeeming all preferred stock as it becomes callable (currently, dividends paid to our preferred shareholders reduce diluted earnings per share by approximately $0.46) • Will continue to analyze the best ways to execute this over the next two years subject to liquidity and capital needs (1) A non - GAAP measure, refer to the reconciliation schedules at the end of this document

14 Contacts Company: Carla Leibold, CFO Tel: 484 - 923 - 8802 cleibold@customersbank.com Jay Sidhu Chairman & CEO Tel: 610 - 935 - 8693 jsidhu@customersbank.com Bob Ramsey Director of IR Tel: 484 - 926 - 7118 rramsey@customersbank.com

15 BankMobile Segment Expanded Financials (1) A Non - GAAP measure ; refer to the reconciliation schedule at the end of this document Q1 2016 Q2 2016 Q3 2016 Q4 2016 Q1 2017 Q2 2017 Q3 2017 Q4 2017 Q1 2018 Q2 2018 Q3 2018 Q4 2018 Q1 2019 Q2 2019 Q3 2019 Interest income -$ -$ -$ -$ -$ 2$ 1$ 2$ 1$ -$ 2$ 1,344$ 2,590$ 6,761$ 12,383$ Interest expense 4$ 5$ 5$ 6$ 6$ 11$ 10$ 6$ 8$ 125$ 50$ 179$ 166$ 210$ 249$ Fund transfer pricing net credit 1,723$ 1,306$ 1,381$ 2,466$ 4,247$ 2,738$ 2,693$ 3,202$ 4,401$ 3,520$ 3,875$ 3,822$ 5,614$ 2,175$ 340$ Net interest income 1,718$ 1,301$ 1,376$ 2,460$ 4,242$ 2,727$ 2,684$ 3,197$ 4,394$ 3,394$ 3,827$ 4,987$ 8,038$ 8,726$ 12,474$ Provision for loan losses (1)$ (0)$ 250$ 546$ -$ -$ 478$ 652$ 243$ 463$ 422$ 1,585$ 1,791$ 7,552$ 1,951$ Deposit fees 1$ 509$ 3,916$ 2,500$ 2,803$ 1,875$ 2,338$ 1,833$ 1,805$ 1,338$ 1,691$ 1,713$ 1,910$ 2,915$ 3,185$ Card revenue 226$ 1,730$ 11,387$ 10,719$ 13,308$ 8,521$ 9,355$ 9,542$ 9,438$ 6,199$ 6,903$ 7,362$ 8,626$ 6,541$ 6,688$ Other fees 0$ 164$ 1,062$ 991$ 1,216$ 1,024$ 2,143$ 165$ 1,228$ 1,125$ 1,246$ 1,450$ 1,605$ 1,610$ 1,739$ Total non-interest income 227$ 2,403$ 16,365$ 14,210$ 17,327$ 11,420$ 13,836$ 11,540$ 12,471$ 8,662$ 9,840$ 10,525$ 12,140$ 11,066$ 11,612$ Compensation & benefits 866$ 1,708$ 5,419$ 5,595$ 4,949$ 6,965$ 6,154$ 5,909$ 5,671$ 5,918$ 5,695$ 5,850$ 6,064$ 6,997$ 7,210$ Occupancy 59$ 67$ 71$ 70$ 109$ 104$ 297$ 321$ 309$ 321$ 328$ 308$ 303$ 317$ 314$ Technology 286$ 1,448$ 5,847$ 6,585$ 6,617$ 6,386$ 11,740$ 9,796$ 7,129$ 7,172$ 8,171$ 8,248$ 8,897$ 8,347$ 4,471$ Outside services 251$ 886$ 4,264$ 4,267$ 4,519$ 3,310$ 3,871$ 3,366$ 2,899$ 1,665$ 2,205$ 1,902$ 2,284$ 3,082$ 4,320$ Merger related expenses 176$ 874$ 144$ -$ -$ -$ -$ 410$ 106$ 869$ 2,945$ 470$ -$ -$ -$ Other non-interest expenses 397$ 1,115$ 4,178$ 3,266$ 3,025$ 3,081$ 4,988$ 1,085$ 1,835$ 85$ 1,645$ 1,959$ 1,053$ 2,732$ 4,930$ Total non-interest expense 2,034$ 6,099$ 19,922$ 19,783$ 19,219$ 19,846$ 27,050$ 20,888$ 17,949$ 16,029$ 20,989$ 18,267$ 18,600$ 21,475$ 21,245$ Income (loss) before income tax expense (88)$ (2,394)$ (2,432)$ (3,659)$ 2,350$ (5,699)$ (11,008)$ (6,803)$ (1,327)$ (4,436)$ (7,744)$ (4,340)$ (212)$ (9,235)$ 890$ Income tax expense (benefit) (33)$ (910)$ (924)$ (1,390)$ 893$ (2,166)$ (4,100)$ (2,563)$ (326)$ (1,090)$ (1,902)$ (1,066)$ (49)$ (2,138)$ 206$ Net income (loss) available to common shareholders (54)$ (1,484)$ (1,507)$ (2,269)$ 1,457$ (3,533)$ (6,908)$ (4,239)$ (1,001)$ (3,346)$ (5,842)$ (3,274)$ (163)$ (7,097)$ 684$ EPS (0.00)$ (0.05)$ (0.05)$ (0.07)$ 0.04$ (0.11)$ (0.21)$ (0.13)$ (0.03)$ (0.10)$ (0.18)$ (0.10)$ (0.01)$ (0.22)$ 0.02$ Core EPS (1) (0.00)$ (0.03)$ (0.05)$ (0.07)$ 0.02$ (0.14)$ (0.16)$ (0.12)$ (0.03)$ (0.08)$ (0.11)$ (0.09)$ (0.01)$ (0.22)$ 0.05$ End of period deposits ($ in millions) 337$ 240$ 533$ 457$ 708$ 453$ 781$ 400$ 624$ 419$ 732$ 376$ 627$ 456$ 666$ Average deposits ($ in millions) 351$ 286$ 332$ 548$ 794$ 532$ 531$ 558$ 644$ 468$ 497$ 532$ 635$ 489$ 529$ Average loans ($ in millions) 1$ 1$ 1$ 5$ 7$ 2$ 2$ 2$ 2$ 2$ 2$ 59$ 115$ 289$ 498$ Average excess deposits ($ in millions) 350$ 285$ 332$ 543$ 787$ 530$ 529$ 556$ 642$ 466$ 495$ 474$ 520$ 200$ 30$ Yield earned on avg. excess deposits 1.99% 1.84% 1.65% 1.80% 2.19% 2.07% 2.02% 2.29% 2.78% 3.03% 3.11% 3.20% 4.33% 4.36% 4.53% BankMobile Segment Income Statement ($ in 000s), Except Per Share Data

16 Customers believes that the non - GAAP measurements disclosed within this document are useful for investors, regulators, management and others to evaluate our core results of operations and financial condition relative to other financial institutions . These non - GAAP financial measures are frequently used by securities analysts, investors, and other interested parties in the evaluation of companies in Customers' industry . These non - GAAP financial measures exclude from corresponding GAAP measures the impact of certain elements that we do not believe are representative of our ongoing financial results, which we believe enhance an overall understanding of our performance and increases comparability of our period to period results . Investors should consider our performance and financial condition as reported under GAAP and all other relevant information when assessing our performance or financial condition . Although non - GAAP financial measures are frequently used in the evaluation of a company, they have limitations as analytical tools and should not be considered in isolation or as a substitute for analysis of our results of operations or financial condition as reported under GAAP . The following tables present reconciliations of GAAP to non - GAAP measures disclosed within this document . Reconciliation of Non - GAAP Measures - Unaudited

17 Q3 2019 Q2 2019 Q1 2019 Q4 2018 Q3 2018 USD Per Share USD Per Share USD Per Share USD Per Share USD Per Share GAAP net income to common shareholders $ 23,451 $ 0.74 $ 5,681 $ 0.18 $ 11,825 $ 0.38 $ 14,247 $ 0.44 $ 2,414 $ 0.07 Reconciling items (after tax): Severance expense - - 373 0.01 - - 1,421 0.04 - - Loss upon acqusition of interest-only GNMA securities - - 5,682 0.18 - - - - - - Merger and acquisition related expenses - - - - - - 355 0.01 2,222 0.07 Losses on sale of multi-family loans - - - - - - 868 0.03 - - Legal reserves 1,520 0.05 - - - - - - - - (Gains) losses on investment securities (1,947) (0.06) 347 0.01 (2) - 101 - 15,417 0.48 Core earnings $ 23,024 $ 0.73 $ 12,083 $ 0.38 $ 11,823 $ 0.38 $ 16,992 $ 0.53 $ 20,053 $ 0.62 Core Earnings - Customers Bank Business Banking Segment ($ in thousands, not including per share amounts) Q3 2019 Q2 2019 Q1 2019 Q4 2018 Q3 2018 USD Per Share USD Per Share USD Per Share USD Per Share USD Per Share GAAP net income to common shareholders 22,767$ 0.72$ 12,778$ 0.40$ 11,988$ 0.38$ 17,521$ 0.55$ 8,256$ 0.26$ Reconciling items (after tax): Severance expense - - 359 0.01 - - 1,421 0.04 - - Loss upon acqusition of interest-only GNMA securities - - 5,682 0.18 - - - - - - Losses on sale of multi-family loans - - - - - - 868 0.03 - - Legal reserves 760 0.02 - - - - - - - - (Gains) losses on investment securities (1,947) (0.06) 347 0.01 (2) - 101 - 15,417 0.48 Core earnings 21,580$ 0.68$ 19,166$ 0.61$ 11,986$ 0.38$ 19,911$ 0.62$ 23,673$ 0.73$ Core Earnings - Customers Bancorp, Inc. Consolidated ($ in thousands, not including per share amounts) Reconciliation of Non - GAAP Measures – Unaudited (Cont.)

18 Q3 2019 Q2 2019 Q1 2019 USD Per Share USD Per Share USD Per Share GAAP net income (loss) to common shareholders 684$ 0.02$ (7,097)$ (0.22)$ (163)$ (0.01)$ Reconciling items (after tax): Severance expense - - 13 - - - Merger and acquisition related expenses - - - - - - Catch-up depreciation/amortization on BankMobile assets - - - - - - Legal reserves 760 0.02 - - - - Core earnings (loss) 1,444$ 0.05$ (7,084)$ (0.22)$ (163)$ (0.01)$ Q4 2018 Q3 2018 Q2 2018 Q1 2018 USD Per Share USD Per Share USD Per Share USD Per Share GAAP net income (loss) to common shareholders $ (3,274) $ (0.10) $ (5,842) $ (0.18) $ (3,346) $ (0.10) $ (1,001) $ (0.03) Reconciling items (after tax): Merger and acquisition related expenses 355 0.01 2,222 0.07 655 0.02 80 - Catch-up depreciation/amortization on BankMobile assets - - - - - - - - Core earnings (loss) $ (2,919) $ (0.09) $ (3,620) $ (0.11) $ (2,691) $ (0.08) $ (921) $ (0.03) Q4 2017 Q3 2017 Q2 2017 Q1 2017 USD Per Share USD Per Share USD Per Share USD Per Share GAAP net income (loss) to common shareholders $ (4,240) $ (0.13) (6,908)$ (0.21)$ $ (3,533) $ (0.11) 1,457$ 0.04$ Reconciling items (after tax): Merger and acquisition related expenses 256 0.01 - - - - - - Catch-up depreciation/amortization on BankMobile assets - - 1,765 0.05 (883) (0.03) (882) (0.03) Core earnings (loss) (3,984)$ (0.12)$ (5,143)$ (0.16)$ (4,416)$ (0.14)$ 575$ 0.02$ Q4 2016 Q3 2016 Q2 2016 Q1 2016 USD Per Share USD Per Share USD Per Share USD Per Share GAAP net income (loss) to common shareholders (2,269)$ (0.07)$ (1,507)$ (0.05)$ (1,484)$ (0.05)$ (54)$ -$ Reconciling items (after tax): Merger and acquisition related expenses - - 89 - 542 0.02 109 - Catch-up depreciation/amortization on BankMobile assets - - - - - - - - Core loss (2,269)$ (0.07)$ (1,418)$ (0.05)$ (942)$ (0.03)$ 55$ -$ Core Earnings (Loss) - BankMobile Segment ($ in thousands, not including per share amounts) Core Earnings (Loss) - BankMobile Segment ($ in thousands, not including per share amounts) Core Earnings (Loss) - BankMobile Segment ($ in thousands, not including per share amounts) Core Earnings (Loss) - BankMobile Segment ($ in thousands, not including per share amounts) Reconciliation of Non - GAAP Measures – Unaudited (Cont.)

19 Tangible Book Value per Common Share - Customers Bancorp, Inc. Consolidated ($ in thousands, except per share data) Q3 2019 Q2 2019 Q1 2019 Q4 2018 Q4 2017 Q4 2016 Q4 2015 Q4 2014 GAAP -Total Shareholders' Equity 1,019,919$ 991,405$ 978,373$ 956,816$ 920,964$ 855,872$ 553,902$ 443,145$ Reconciling Items: Preferred Stock (217,471) (217,471) (217,471) (217,471) (217,471) (217,471) (55,569) - Goodwill and Other Intangibles (15,521) (15,847) (16,173) (16,499) (16,295) (17,621) (3,651) (3,664) Tangible Common Equity 786,927$ 758,087$ 744,729$ 722,846$ 687,198$ 620,780$ 494,682$ 439,481$ Common shares outstanding 31,245,776 31,202,023 31,131,247 31,003,028 31,382,503 30,289,917 26,901,801 26,745,529 Tangible Book Value per Common Share 25.16$ 24.30$ 23.92$ 23.32$ 21.90$ 20.49$ 18.39$ 16.43$ CAGR 10.23% Customers Bancorp, Inc. Consolidated - Net Interest Margin, tax equivalent ($ in thousands) Q3 2019 Q2 2019 Q1 2019 Q4 2018 Q3 2018 GAAP Net interest income 75,735$ 64,679$ 59,304$ 61,524$ 64,001$ Tax-equivalent adjustment 184 183 181 171 172 Net interest income tax equivalent 75,919$ 64,862$ 59,485$ 61,695$ 64,173$ Average total interest earning assets 10,667,198$ 9,851,150$ 9,278,413$ 9,518,120$ 10,318,943$ Net interest margin, tax equivalent 2.83% 2.64% 2.59% 2.57% 2.47% Reconciliation of Non - GAAP Measures – Unaudited (Cont.)

20 Reconciliation of Non - GAAP Measures – Unaudited (Cont.) Core Return on Average Assets - Customers Bancorp (dollars in thousands except per share data) Q3 2019 Q2 2019 Q1 2019 Q4 2018 Q3 2018 2019 2018 GAAP net income 27,066 9,296 15,440 17,862 6,029 51,801 53,833 Reconciling items (after tax): Severance expense - 373 - 1,421 - 373 - Loss upon acquisition of interest-only GNMA securities - 5,682 - - - 5,682 - Merger and acquisition related expenses - - - 355 2,222 - 2,957 Losses on sale of multi-family loans - - - 868 - - - Legal reserves 1,520 - - - - 1,520 - (Gains) losses on investment securities (1,947) 347 (2) 101 15,417 (1,602) 15,545 Core net income 26,639 15,698 15,438 20,607 23,668 57,774 72,335 Average total assets 11,259,144 10,371,842 9,759,529 9,947,367 10,728,339 10,468,998 10,576,737 Core return on average assets 0.94% 0.61% 0.64% 0.82% 0.88% 0.74% 0.91% Core Return on Average Common Equity - Customers Bancorp (dollars in thousands except per share data) Q3 2019 Q2 2019 Q1 2019 Q4 2018 Q3 2018 2019 2018 GAAP net income to common shareholders 23,451 5,681 11,825 14,247 2,414 40,957 42,989 Reconciling items (after tax): Severance expense - 373 - 1,421 - 373 - Loss upon acquisition of interest-only GNMA securities - 5,682 - - - 5,682 - Merger and acquisition related expenses - - - 355 2,222 - 2,957 Losses on sale of multi-family loans - - - 868 - - - Legal reserves 1,520 - - - - 1,520 - (Gains) losses on investment securities (1,947) 347 (2) 101 15,417 (1,602) 15,545 Core earnings 23,024 12,083 11,823 16,992 20,053 46,930 61,491 Average total common shareholders' equity 787,885 768,592 751,133 745,226 732,302 769,338 717,522 Core return on average common equity 11.59% 6.31% 6.38% 9.05% 10.86% 8.16% 11.46% Nine Months Ended September 30, Nine Months Ended September 30,