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8-K

Csg Systems International Inc (CSGS)

8-K 2023-05-03 For: 2023-05-03
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 or 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): May 3, 2023

CSG SYSTEMS INTERNATIONAL, INC.

(Exact name of registrant as specified in its charter)

Delaware 0-27512 47-0783182
(State or other jurisdiction<br><br>of incorporation) (Commission<br><br>File Number) (IRS Employer<br><br>Identification No.)
169 Inverness Dr W, Suite 300, Englewood, CO 80112
(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (303) 200-2000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading<br><br>Symbol(s) Name of each exchange on which registered
Common Stock, Par Value $0.01 Per Share CSGS NASDAQ Stock Market LLC.

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition.

The following information is furnished pursuant to Item 2.02 (Results of Operations and Financial Condition). This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

On May 3, 2023, CSG Systems International, Inc. (“CSG”) issued a press release relating to the results of its operations for the quarter ended March 31, 2023. A copy of such press release is attached to this Form 8-K as Exhibit 99.1 and hereby incorporated by reference.

In the attached press release, CSG makes reference to non-GAAP financial measures. Non-GAAP financial measures are not measures of performance under GAAP, and therefore should not be considered in isolation or as a substitute for GAAP financial information. There are limitations with the use of non-GAAP financial measures since they are not based on any comprehensive set of accounting rules or principles, and the way in which CSG calculates non-GAAP financial measures may differ from the way in which other companies calculate similar non-GAAP financial measures. A more detailed discussion of CSG’s use of non-GAAP financial measures, to include reconciliations of the non-GAAP financial measures to the comparable GAAP financial measures, is contained in the attached press release and is posted to the Company’s website at www.csgi.com.

9.01. Financial Statements and Exhibits.

(d) Exhibits

99.1 Press release of CSG Systems International, Inc. dated May 3, 2023
104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CSG SYSTEMS INTERNATIONAL, INC.
Date: May 3, 2023 By: /s/ David N. Schaaf
David N. Schaaf<br>Chief Accounting Officer

EX-99

EXHIBIT 99.1

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FOR IMMEDIATE RELEASE

PRESS RELEASE

CSG Systems INTERNATIONAL reports

first Quarter 2023 RESULTS

Q1 Organic Revenue Up 13% YoY Representing CSG’s Best Quarterly Result in Nearly Two Decades

Reiterating All 2023 Financial Guidance Targets

Fully Completed Charter Subscriber Migration from a Competitor’s System in Q1

Received “Prime” ESG Rating from ISS for Second Consecutive Year

DENVER--(May 3, 2023) — CSG (NASDAQ: CSGS) today reported results for the quarter ended March 31, 2023.

Financial Results:

First quarter 2023 financial results:

• Total revenue was $298.7 million.

• GAAP operating income was $38.2 million, or an operating margin of 12.8 %, and non-GAAP operating income was $53.5 million, or a non-GAAP adjusted operating margin of 19.3%.

• GAAP earnings per diluted share (EPS) was $0.68 and non-GAAP EPS was $1.04.

• Cash flows from operations were $15.4 million, with non-GAAP free cash flow of $6.7 million.

Shareholder Returns:

• CSG declared its quarterly cash dividend of $0.28 per share of common stock, or a total of approximately $9 million, to shareholders.

“Q1 2023 was a fantastic quarter for Team CSG. We delivered strong financial results across the board highlighted by 13% year-over-year organic revenue growth, our strongest quarterly result in nearly two decades. And with our strong start to the year, we are pleased to reiterate all 2023 financial guidance targets,” said Brian Shepherd, President and Chief Executive Officer of CSG. “We are also happy to report that we fully-completed the migration of Charter subscribers from a competitor’s billing system in Q1. On the Environmental, Social, and Governance (“ESG”) front, we achieved a number of milestones in the quarter including issuing our inaugural Impact and Task Force on Climate-Related Financial Disclosures (“TCFD”) reports and were awarded a “Prime” ESG rating from ISS for the second consecutive year.”

CSG Systems International, Inc.

May 3, 2023

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Financial Overview (unaudited)

(in thousands, except per share amounts and percentages):

Quarter Ended March 31,
Percent
2023 2022 Changed
GAAP Results:
Revenue $ 298,739 $ 264,400 13.0 %
Operating Income 38,193 16,415 132.7 %
Operating Margin Percentage 12.8 % 6.2 %
EPS $ 0.68 $ 0.19 257.9 %
Non-GAAP Results:
Operating Income $ 53,511 $ 40,186 33.2 %
Adjusted Operating Margin Percentage 19.3 % 16.3 %
EPS $ 1.04 $ 0.86 20.9 %

For additional information and reconciliations regarding CSG’s use of non-GAAP financial measures, please refer to the attached Exhibit 2 and the Investor Relations section of CSG’s website at csgi.com.

Results of Operations

GAAP Results: Total revenue for the first quarter of 2023 was $298.7 million, a 13.0% increase when compared to revenue of $264.4 million for the first quarter of 2022. The year-over-year increase can be primarily attributed to a strong quarter of software and services revenue, due mainly to the timing of the closure of deals, as well as increased payments volumes, conversions of customer accounts onto CSG solutions, and other ancillary services.

GAAP operating income for the first quarter of 2023 was $38.2 million, or 12.8% of total revenue, compared to $16.4 million, or 6.2% of total revenue, for the first quarter of 2022. The increase in operating income can be mainly attributed to the higher revenue generated in the first quarter of 2023, discussed above, and to a lesser extent, the $7.9 million decrease in restructuring and reorganization charges between years.

GAAP EPS for the first quarter of 2023 was $0.68, as compared to $0.19 for the first quarter of 2022. The increase in GAAP EPS is mainly due to the higher operating income in the first quarter of 2023, discussed above, and a $7.5 million loss on a derivative liability that CSG incurred in the first quarter of 2022 upon conversion of its convertible notes.

Non-GAAP Results: Non-GAAP operating income for the first quarter of 2023 was $53.5 million, or a non-GAAP adjusted operating margin of 19.3%, compared to $40.2 million, or a non-GAAP adjusted operating margin of 16.3% for the first quarter of 2022. The increase in non-GAAP operating income and non-GAAP adjusted operating margin can be mainly attributed to the higher revenue discussed above.

Non-GAAP EPS for the first quarter of 2023 was $1.04 compared to $0.86 for the first quarter of 2022. The increase in non-GAAP EPS is mainly due to the higher non-GAAP operating income in 2023, discussed above, offset by higher interest expense and foreign currency movements.

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May 3, 2023

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Balance Sheet and Cash Flows

Cash, cash equivalents, and short-term investments as of March 31, 2023 were $167.7 million compared to $150.4 million as of December 31, 2022. CSG had net cash flows provided by (used in) operations for the first quarters ended March 31, 2023 and 2022 of $15.4 million and ($5.5) million, respectively, and had non-GAAP free cash flow (deficit) of $6.7 million and ($15.9) million, respectively.

Summary of Financial Guidance

CSG is reaffirming its financial guidance for the full year 2023, as follows:

GAAP Measures:
Revenue $1,130 - $1,170 million
Non-GAAP Measures:
Adjusted Operating Margin Percentage 16.5% - 17.0%
EPS $3.35 - $3.65
Adjusted EBITDA $231 - $242 million
Free Cash Flow $80 - $120 million

For additional information and reconciliations regarding CSG’s use of non-GAAP financial measures, please refer to the attached Exhibit 2 and the Investor Relations section of CSG’s website at csgi.com.

Conference Call

CSG will host a conference call on Wednesday, May 3, 2023 at 5:00 p.m. ET, to discuss CSG’s first quarter for 2023. The call will be carried live and archived on the Internet. A link to the conference call is available at http://ir.csgi.com. In addition, to reach the conference by phone, call 1-888-412-4131 and use the passcode 2327393.

Additional Information

For information about CSG, please visit CSG’s web site at csgi.com. Additional information can be found in the Investor Relations section of the website.

About CSG

CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most. Our customer experience, billing and payments solutions help companies of any size make money and make a difference. With our SaaS solutions, company leaders can take control of their future, and tap into guidance along the way from our more than 5k-strong experienced global CSG services team.

Want to learn more about how to be a change maker and industry shaper like our 1,000-plus clients? Visit csgi.com to learn more.

CSG Systems International, Inc.

May 3, 2023

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Forward-Looking Statements

This news release contains forward-looking statements as defined under the Securities Act of 1933, as amended, that are based on assumptions about a number of important factors and involve risks and uncertainties that could cause actual results to differ materially from what appears in this news release. Some of these key factors include, but are not limited to the following items:

• CSG derives approximately forty percent of its revenue from its two largest customers;

• Fluctuations in credit market conditions, general global economic and political conditions, and foreign currency exchange rates;

• CSG’s ability to maintain a reliable, secure computing environment;

• Continued market acceptance of CSG’s products and services;

• CSG’s ability to continuously develop and enhance products in a timely, cost-effective, technically advanced and competitive manner;

• CSG’s ability to deliver its solutions in a timely fashion within budget, particularly large and complex software implementations;

• CSG’s dependency on the global telecommunications industry, and in particular, the North American telecommunications industry;

• CSG’s ability to meet its financial expectations;

• Increasing competition in CSG’s market from companies of greater size and with broader presence;

• CSG’s ability to successfully integrate and manage acquired businesses or assets to achieve expected strategic, operating and financial goals;

• CSG’s ability to protect its intellectual property rights;

• CSG’s ability to conduct business in the international marketplace;

• CSG’s ability to comply with applicable U.S. and International laws and regulations; and

• CSG’s business may be disrupted, and its results of operations and cash flows adversely affected by a global pandemic.

This list is not exhaustive, and readers are encouraged to review the additional risks and important factors described in CSG’s reports on Forms 10-K and 10-Q and other filings made with the SEC.

For more information, contact:

John Rea, Investor Relations

(210) 687-4409

E-mail: john.rea@csgi.com

CSG Systems International, Inc.

May 3, 2023

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CSG SYSTEMS INTERNATIONAL, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS-UNAUDITED

(in thousands)

December 31, 2022
ASSETS
Current assets:
Cash and cash equivalents 167,681 $ 150,365
Short-term investments - 71
Total cash, cash equivalents, and short-term investments 167,681 150,436
Settlement and merchant reserve assets 177,300 238,653
Trade accounts receivable:
Billed, net of allowance of 5,254 and 5,528 255,774 274,189
Unbilled 73,262 52,830
Income taxes receivable 2,236 1,270
Other current assets 55,285 48,577
Total current assets 731,538 765,955
Non-current assets:
Property and equipment, net of depreciation of 107,836 and 105,466 68,648 71,787
Operating lease right-of-use assets 42,470 49,687
Software, net of amortization of 152,074 and 150,337 20,935 22,774
Goodwill 305,104 304,036
Acquired customer contracts, net of amortization of 123,694 and 120,080 42,891 45,417
Customer contract costs, net of amortization of 33,191 and 30,601 54,437 54,735
Deferred income taxes 22,177 26,206
Other assets 7,808 7,956
Total non-current assets 564,470 582,598
Total assets 1,296,008 $ 1,348,553
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Current portion of long-term debt 37,500 $ 37,500
Operating lease liabilities 19,220 21,012
Customer deposits 34,429 40,472
Trade accounts payable 36,121 47,720
Accrued employee compensation 49,836 68,321
Settlement and merchant reserve liabilities 176,329 237,810
Deferred revenue 54,794 46,033
Income taxes payable 7,956 5,455
Other current liabilities 25,550 22,886
Total current liabilities 441,735 527,209
Non-current liabilities:
Long-term debt, net of unamortized discounts of 2,469 and 2,656 403,781 375,469
Operating lease liabilities 45,097 53,207
Deferred revenue 21,756 21,991
Income taxes payable 3,510 3,410
Deferred income taxes 120 117
Other non-current liabilities 11,786 11,901
Total non-current liabilities 486,050 466,095
Total liabilities 927,785 993,304
Stockholders' equity:
Preferred stock, par value .01 per share; 10,000 shares authorized; zero shares issued and    outstanding - -
Common stock, par value .01 per share; 100,000 shares authorized; 31,678 and 31,269    shares outstanding 712 708
Additional paid-in capital 493,184 495,189
Treasury stock, at cost; 38,210 shares (1,018,034 ) (1,018,034 )
Accumulated other comprehensive income (loss):
Unrealized gain on short-term investments, net of tax 1 1
Cumulative foreign currency translation adjustments (55,987 ) (58,830 )
Accumulated earnings 948,347 936,215
Total stockholders' equity 368,223 355,249
Total liabilities and stockholders' equity 1,296,008 $ 1,348,553

All values are in US Dollars.

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May 3, 2023

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CSG SYSTEMS INTERNATIONAL, INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME-UNAUDITED

(in thousands, except per share amounts)

Quarter Ended
March 31,<br><br>2023 March 31,<br><br>2022
Revenue $ 298,739 $ 264,400
Cost of revenue (exclusive of depreciation, shown separately below) 155,021 138,418
Other operating expenses:
Research and development 35,464 32,981
Selling, general and administrative 59,147 57,342
Depreciation 5,720 6,138
Restructuring and reorganization charges 5,194 13,106
Total operating expenses 260,546 247,985
Operating income 38,193 16,415
Other income (expense):
Interest expense (7,219 ) (3,272 )
Interest and investment income, net 569 130
Loss on derivative liability upon debt conversion - (7,456 )
Other, net (2,432 ) 812
Total other (9,082 ) (9,786 )
Income before income taxes 29,111 6,629
Income tax provision (8,183 ) (516 )
Net income $ 20,928 $ 6,113
Weighted-average shares outstanding:
Basic 30,418 31,416
Diluted 30,609 31,810
Earnings per common share:
Basic $ 0.69 $ 0.19
Diluted 0.68 0.19

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May 3, 2023

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CSG SYSTEMS INTERNATIONAL, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS-UNAUDITED

(in thousands)

Quarter Ended
March 31, 2023 March 31, 2022
Cash flows from operating activities:
Net income $ 20,928 $ 6,113
Adjustments to reconcile net income to net cash provided by (used in) operating activities-
Depreciation 5,757 6,138
Amortization 11,471 13,870
Asset impairment 1,595 10,705
Gain (loss) on short-term investments and other (125 ) 15
Loss on derivative liability upon debt conversion - 7,456
Unrealized foreign currency transactions (gain) loss, net 41 (136 )
Deferred income taxes 4,079 (55 )
Stock-based compensation 6,412 5,581
Subtotal 50,158 49,687
Changes in operating assets and liabilities, net of acquired amounts:
Trade accounts receivable, net (1,825 ) 182
Other current and non-current assets and liabilities (6,871 ) (6,069 )
Income taxes payable/receivable 1,647 (1,735 )
Trade accounts payable and accrued liabilities (36,071 ) (42,550 )
Deferred revenue 8,359 (5,064 )
Net cash provided by (used in) operating activities 15,397 (5,549 )
Cash flows from investing activities:
Purchases of software, property and equipment (8,700 ) (10,375 )
Proceeds from sale/maturity of short-term investments 71 21,887
Net cash provided by (used in) investing activities (8,629 ) 11,512
Cash flows from financing activities:
Proceeds from issuance of common stock 893 650
Payment of cash dividends (9,088 ) (8,885 )
Repurchase of common stock (9,306 ) (23,660 )
Deferred acquisition payments (274 ) -
Proceeds from long-term debt 30,000 245,000
Payments on long-term debt (1,875 ) (244,176 )
Settlement and merchant reserve activity (61,482 ) (23,543 )
Net cash used in financing activities (51,132 ) (54,614 )
Effect of exchange rate fluctuations on cash, cash equivalents, and restricted cash 327 1,351
Net decrease in cash, cash equivalents, and restricted cash (44,037 ) (47,300 )
Cash, cash equivalents, and restricted cash, beginning of period 389,018 391,902
Cash, cash equivalents, and restricted cash, end of period $ 344,981 $ 344,602
Supplemental disclosures of cash flow information:
Cash paid during the period for-
Interest $ 7,005 $ 5,876
Income taxes 2,211 2,230
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents $ 167,681 $ 181,457
Settlement and merchant reserve assets 177,300 163,145
Total cash, cash equivalents, and restricted cash $ 344,981 $ 344,602

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May 3, 2023

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EXHIBIT 1

CSG SYSTEMS INTERNATIONAL, INC.

SUPPLEMENTAL REVENUE ANALYSIS

Revenue by Significant Customers: 10% or more of Revenue

Quarter Ended Quarter Ended Quarter Ended
March 31, 2023 December 31, 2022 March 31, 2022
Amount % of Revenue Amount % of Revenue Amount % of Revenue
Charter $ 61,532 21 % $ 58,006 20 % $ 52,069 20 %
Comcast 53,415 18 % 55,383 19 % 52,524 20 %

Revenue by Vertical

Quarter Ended Quarter Ended Quarter Ended
March 31, December 31, March 31,
2023 2022 2022
Broadband/Cable/Satellite 52 % 53 % 54 %
Telecommunications 20 % 20 % 19 %
All other 28 % 27 % 27 %
Total revenue 100 % 100 % 100 %

Revenue by Geography

Quarter Ended Quarter Ended Quarter Ended
March 31, December 31, March 31,
2023 2022 2022
Americas 84 % 86 % 84 %
Europe, Middle East and Africa 12 % 9 % 12 %
Asia Pacific 4 % 5 % 4 %
Total revenue 100 % 100 % 100 %

CSG Systems International, Inc.

May 3, 2023

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EXHIBIT 2

CSG SYSTEMS INTERNATIONAL, INC.

DISCLOSURES FOR NON-GAAP FINANCIAL MEASURES

Use of Non-GAAP Financial Measures and Limitations

To supplement its condensed consolidated financial statements presented in accordance with generally accepted accounting principles (GAAP), CSG uses non-GAAP operating income, non-GAAP adjusted operating margin percentage, non-GAAP EPS, non-GAAP adjusted EBITDA, and non-GAAP free cash flow. CSG believes that these non-GAAP financial measures, when reviewed in conjunction with its GAAP financial measures, provide investors with greater transparency to the information used by CSG’s management in its financial and operational decision making. CSG uses these non-GAAP financial measures for the following purposes:

• Certain internal financial planning, reporting, and analysis;

• Forecasting and budgeting;

• Certain management compensation incentives; and

• Communications with CSG’s Board of Directors, stockholders, financial analysts, and investors.

These non-GAAP financial measures are provided with the intent of providing investors with the following information:

• A more complete understanding of CSG’s underlying operational results, trends, and cash generating capabilities;

• Consistency and comparability with CSG’s historical financial results; and

• Comparability to similar companies, many of which present similar non-GAAP financial measures to investors.

Non-GAAP financial measures are not measures of performance under GAAP, and therefore should not be considered in isolation or as a substitute for GAAP financial information. Limitations with the use of non-GAAP financial measures include the following items:

• Non-GAAP financial measures are not based on any comprehensive set of accounting rules or principles;

• The way in which CSG calculates non-GAAP financial measures may differ from the way in which other companies calculate similar non-GAAP financial measures;

• Non-GAAP financial measures do not include all items of income and expense that affect CSG’s operations and that are required by GAAP to be included in financial statements;

• Certain adjustments to CSG’s non-GAAP financial measures result in the exclusion of items that are recurring and will be reflected in CSG’s financial statements in future periods; and

• Certain charges excluded from CSG’s non-GAAP financial measures are cash expenses, and therefore do impact CSG’s cash position.

CSG compensates for these limitations by relying primarily on its GAAP results and using non-GAAP financial measures as a supplement only. Additionally, CSG provides specific information regarding the treatment of GAAP amounts considered in preparing the non-GAAP financial measures and reconciles each n on-GAAP financial measure to the most directly comparable GAAP measure.

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May 3, 2023

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Non-GAAP Financial Measures: Basis of Presentation

The table below outlines the exclusions from CSG’s non-GAAP financial measures:

Non-GAAP Exclusions Operating Income Adjusted Operating Margin Percentage EPS
Transaction fees X
Restructuring and reorganization charges X X X
Executive transition costs X X X
Acquisition-related expenses:
Amortization of acquired intangible assets X X X
Transaction-related costs X X X
Stock-based compensation X X X
Amortization of original issue discount (“OID”) X
Gain (loss) on debt extinguishment/conversion X
Gain (loss) on acquisitions or dispositions X
Unusual income tax matters X

CSG believes that excluding certain items in calculating its non-GAAP financial measures provides meaningful supplemental information regarding CSG’s performance and these items are excluded for the following reasons:

• Transaction fees are primarily comprised of fees paid to third-party payment processors and financial institutions and interchange fees under CSG’s payment services contracts. Transaction fees are included in revenue in CSG’s Income Statement (and not netted against revenue) because CSG maintains control and acts as principal over the integrated service provided under its payment services customer contracts. However, CSG excludes expense associated with transaction fees from the numerator and denominator in calculating its non-GAAP adjusted operating margin percentage in order to provide comparability with historical and future periods and with its peer group and competitors.

• Restructuring and reorganization charges are expenses that result from cost reduction initiatives and/or significant changes to CSG’s business, to include such things as involuntary employee terminations, changes in management structure, divestitures of businesses, facility consolidations and abandonments, and fundamental reorganizations impacting operational focus and direction. These charges are not considered reflective of CSG’s recurring business operating results. The exclusion of these items in calculating CSG’s non-GAAP financial measures allows management and investors an additional means to compare CSG’s current financial results with historical and future periods.

• Executive transition costs include expenses incurred related to a departure of a CSG executive officer under the terms of the related separation agreement. These types of costs are not considered reflective of CSG’s recurring business operating results. The exclusion of these costs in calculating CSG’s non-GAAP financial measures allows management and investors an additional means to compare CSG’s current financial results with historical and future periods.

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• Acquisition-related expenses include amortization of acquired intangible assets and transaction-related costs, to include earn-out compensation. Transaction-related costs, which typically include expenses related to legal, accounting, and other professional services, are direct and incremental expenses related to business acquisitions, and thus, are not considered reflective of CSG’s recurring business operating results. The total amount of acquisition-related expenses can vary significantly between periods based on the number and size of acquisition activities, previously acquired intangible assets becoming fully amortized, and ultimate realization of earn-out compensation. In addition, the timing of these expenses may not directly correlate with underlying performance of the CSG’s operations. Therefore, the exclusion of acquisition-related expenses in calculating CSG’s non-GAAP financial measures allows management and investors an additional means to compare CSG’s current financial results with historical and future periods.

• Stock-based compensation results from CSG’s issuance of equity awards to its employees under incentive compensation programs. The amount of this incentive compensation in any period is not generally linked to the level of performance by employees or CSG. The exclusion of these expenses in calculating CSG’s non-GAAP financial measures allows management and investors an additional means to evaluate the non-cash expense related to compensation included in CSG’s results of operations, and therefore, the exclusion of this item allows investors to further evaluate the cash generating capabilities of CSG’s business.

• The convertible notes OID is the result of allocating a portion of the principal balance of the debt at issuance to the equity component of the instrument, as required under current accounting rules. This OID is then amortized to interest expense over the life of the respective convertible debt instrument. The interest expense related to the amortization of the OID is a non-cash expense, and therefore, the exclusion of this item allows investors to further evaluate the cash interest costs of CSG’s convertible notes for cash flow, liquidity, and debt service purposes.

• Gains and losses related to the extinguishment/conversion of debt can be as a result of the refinancing of CSG’s credit agreement and/or repurchase, conversion, or settlement of CSG’s convertible notes. These activities, to include any derivative activity related to debt conversions, are not considered reflective of CSG’s recurring business operating results. Any resulting gain or loss is generally non-cash income or expense, and therefore, the exclusion of these items allows investors to further evaluate the cash impact of these activities for cash flow and liquidity purposes. In addition, the exclusion of these gains and losses in calculating CSG’s non-GAAP EPS allows management and investors an additional means to compare CSG’s current operating results with historical and future periods.

• Gains or losses related to the acquisition or disposition of certain of CSG’s business activities are not considered reflective of CSG’s recurring business operating results. Any resulting gain or loss is generally non-cash income or expense, and therefore, the exclusion of these items allows investors to further evaluate the cash impact of these activities for cash flow and liquidity purposes. In addition, the exclusion of these gains and losses in calculating CSG’s non-GAAP EPS allows management and investors an additional means to compare CSG’s current operating results with historical and future periods.

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• Unusual items within CSG’s quarterly and/or annual income tax expense can occur from such things as income tax accounting timing matters, income taxes related to unusual events, or as a result of different treatment of certain items for book accounting and income tax purposes. Consideration of such items in calculating CSG’s non-GAAP financial measures allows management and investors an additional means to compare CSG’s current financial results with historical and future periods.

CSG also reports non-GAAP adjusted EBITDA and non-GAAP free cash flow. Management believes non-GAAP adjusted EBITDA is a useful measure to investors in evaluating CSG’s operating performance, debt servicing capabilities, and enterprise valuation. CSG defines non-GAAP adjusted EBITDA as income before interest, income taxes, depreciation, amortization, stock-based compensation, foreign currency transaction adjustments, acquisition-related expenses, and unusual items, such as restructuring and reorganization charges, executive transition costs, gains and losses related to the extinguishment of debt, and gains and losses on acquisitions or dispositions, as discussed above. Additionally, management uses non-GAAP free cash flow, among other measures, to assess its financial performance and cash generating capabilities, and believes that it is useful to investors because it shows CSG’s cash available to service debt, make strategic acquisitions and investments, repurchase its common stock, pay cash dividends, and fund ongoing operations. CSG defines non-GAAP free cash flow as net cash flows from operating activities less the purchases of software, property and equipment.

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Non-GAAP Financial Measures

Non-GAAP Operating Income and Non-GAAP Adjusted Operating Margin Percentage:

The reconciliation of GAAP operating income to non-GAAP operating income, and calculation of CSG’s non-GAAP adjusted operating margin percentage, for the indicated periods are as follows (in thousands, except percentages):

Quarter Ended<br><br>March 31,
2023 2022
Non-GAAP Operating Income
GAAP operating income $ 38,193 $ 16,415
Restructuring and reorganization charges (1) 5,194 13,106
Executive transition costs - 1,275
Acquisition-related expenses:
Amortization of acquired intangible assets 3,209 3,656
Transaction-related costs 158 13
Stock-based compensation (1) 6,757 5,721
Non-GAAP operating income $ 53,511 $ 40,186
Non-GAAP Adjusted Operating Margin Percentage
Revenue $ 298,739 $ 264,400
Less: Transaction fees (2) (21,973 ) (18,038 )
Revenue less transaction fees $ 276,766 $ 246,362
Non-GAAP adjusted operating margin percentage 19.3 % 16.3 %

(1) Restructuring and reorganization charges include stock-based compensation, which is not included in the stock-based compensation line in the tables above and following, and depreciation, which has not been recorded to the depreciation line item on the income statement.

(2) Transaction fees are primarily comprised of fees paid to third-party payment processors and financial institutions and interchange fees under CSG’s payment services contracts. Transaction fees are included in revenue in CSG's Income Statement (and not netted against revenue) because CSG maintains control and acts as principal over the integrated service provided under its payment services customer contracts. However, CSG excludes expense associated with transaction fees from the numerator and denominator in calculating its non-GAAP adjusted operating margin percentage in order to provide comparability with historical and future periods and with its peer group and competitors.

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Non-GAAP EPS:

The reconciliations of GAAP EPS to non-GAAP EPS for the indicated periods are as follows (in thousands, except per share amounts):

Quarter Ended Quarter Ended
March 31, 2023 March 31, 2022
Amounts EPS (4) Amounts EPS (4)
GAAP net income $ 20,928 $ 0.68 $ 6,113 $ 0.19
GAAP income tax provision (3) 8,183 516
GAAP income before income taxes 29,111 6,629
Restructuring and reorganization charges (1) 5,194 13,106
Executive transition costs - 1,275
Acquisition-related costs:
Amortization of acquired intangible assets 3,209 3,656
Transaction-related costs 158 13
Stock-based compensation (1) 6,757 5,721
Loss on debt extinguishment/conversion - 7,456
Non-GAAP income before income taxes 44,429 37,856
Non-GAAP income tax provision (3) (12,662 ) (10,410 )
Non-GAAP net income $ 31,767 $ 1.04 $ 27,446 $ 0.86

(3) For the quarters ended March 31, 2023 and 2022 the GAAP effective income tax rates were approximately 28% and 8%, respectively, and the non-GAAP effective income tax rates were approximately 28.5% and 27.5%, respectively. The first quarter of 2022 GAAP effective income tax rate was impacted by the combination of lower net income and a discrete tax benefit related to the vesting of equity-awards during the quarter.

(4) The outstanding diluted shares for the quarters ended March 31, 2023 and 2022 were 30.6 million and 31.8 million, respectively.

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Non-GAAP Adjusted EBITDA:

CSG’s calculation of non-GAAP adjusted EBITDA and the reconciliation of CSG’s non-GAAP adjusted EBITDA measure to GAAP net income is provided below for the indicated periods (in thousands, except percentages):

Quarter Ended
March 31,
2023 2022
GAAP net income $ 20,928 $ 6,113
GAAP income tax provision 8,183 516
Interest expense (5) 7,219 3,272
Loss on derivative liability upon debt conversion - 7,456
Interest and investment income and other, net 1,863 (942 )
GAAP operating income 38,193 16,415
Restructuring and reorganization charges (1) 5,194 13,106
Executive transition costs - 1,275
Acquisition-related expenses:
Amortization of acquired intangible assets (6) 3,209 3,656
Transaction-related costs 158 13
Stock-based compensation (1) 6,757 5,721
Amortization of other intangible assets (6) 3,453 3,488
Amortization of customer contract costs (6) 4,622 6,537
Depreciation (1) 5,720 6,138
Non-GAAP adjusted EBITDA $ 67,306 $ 56,349
Non-GAAP adjusted EBITDA as a percentage of revenue less transaction fees (2) 24.3 % 22.9 %

(5) Interest expense includes amortization of deferred financing costs as provided in Note 6 below.

(6) Amortization on the statement of cash flows is made up of the following items for the indicated periods (in thousands):

Quarter Ended
March 31,
2023 2022
Amortization of acquired intangible assets $ 3,209 $ 3,656
Amortization of other intangible assets 3,453 3,488
Amortization of customer contract costs 4,622 6,537
Amortization of deferred financing costs 187 189
Total amortization $ 11,471 $ 13,870

Non-GAAP Free Cash Flow:

CSG’s calculation of non-GAAP free cash flow and the reconciliation of CSG’s non-GAAP free cash flow measure to cash flows from operating activities are provided below for the indicated periods (in thousands):

Quarter Ended
March 31,
2023 2022
Cash flows from operating activities $ 15,397 $ (5,549 )
Purchases of software, property and equipment (8,700 ) (10,375 )
Non-GAAP free cash flow (deficit) $ 6,697 $ (15,924 )

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Non-GAAP Financial Measures – 2023 Financial Guidance

Non-GAAP Operating Income and Non-GAAP Adjusted Operating Margin Percentage:

The reconciliation of GAAP operating income to non-GAAP operating income, and calculation of non-GAAP adjusted operating margin percentage, as included in CSG’s 2023 full year financial guidance, is as follows (in thousands, except percentages):

2023 Guidance Range
Low Range High Range
Non-GAAP Operating Income
GAAP operating income $ 122,100 $ 133,500
Restructuring and reorganization charges 5,200 5,200
Acquisition-related expenses:
Amortization of acquired intangible assets 12,200 12,200
Transaction-related costs 200 200
Stock-based compensation 33,900 33,900
Non-GAAP operating income $ 173,600 $ 185,000
Non-GAAP Operating Margin Percentage
Revenue $ 1,130,000 $ 1,170,000
Less: Transaction fees (2) (78,000 ) (82,000 )
Revenue less transaction fees $ 1,052,000 $ 1,088,000
Non-GAAP adjusted operating margin percentage 16.5 % 17.0 %

Non-GAAP EPS:

The reconciliation of GAAP EPS to non-GAAP EPS as included in CSG’s 2023 full year financial guidance is as follows (in thousands, except per share amounts):

2023 Guidance Range
Low Range High Range
Amounts EPS (8) Amounts EPS (8)
GAAP net income $ 66,300 $ 2.14 $ 74,400 $ 2.40
GAAP income tax provision (7) 26,700 30,000
GAAP income before income taxes 93,000 104,400
Restructuring and reorganization charges 5,200 5,200
Acquisition-related expenses:
Amortization of acquired intangible assets 12,200 12,200
Transaction-related costs 200 200
Stock-based compensation 33,900 33,900
Non-GAAP income before income taxes 144,500 155,900
Non-GAAP income tax provision (7) (40,700 ) (42,900 )
Non-GAAP net income $ 103,800 $ 3.35 $ 113,000 $ 3.65

(7) For 2023, the estimated effective income tax rates for GAAP and non-GAAP purposes are expected to be approximately 29% and 28% – 28.5%, respectively.

(8) The weighted-average diluted shares outstanding are expected to be approximately 31 million.

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Non-GAAP Adjusted EBITDA:

CSG’s calculation of non-GAAP adjusted EBITDA and the reconciliation of CSG’s non-GAAP adjusted EBITDA measure to GAAP net income is provided below for CSG’s 2023 full year financial guidance (in thousands, except percentages):

2023 Guidance Range
Low Range High Range
GAAP net income $ 66,300 $ 74,400
GAAP income tax provision (7) 26,700 30,000
Interest expense 31,500 31,500
Interest and investment income and other, net (2,400 ) (2,400 )
GAAP operating income 122,100 133,500
Restructuring and reorganization charges 5,200 5,200
Executive transition costs
Acquisition-related expenses:
Amortization of acquired intangible assets 12,200 12,200
Transaction-related costs 200 200
Stock-based compensation 33,900 33,900
Amortization of other intangible assets 11,700 11,700
Amortization of client contract costs 20,000 20,000
Depreciation 25,700 25,700
Non-GAAP adjusted EBITDA $ 231,000 $ 242,400
Non-GAAP adjusted EBITDA as a percentage of revenue less transaction fees (2) 22.0 % 22.3 %

Non-GAAP Free Cash Flow:

CSG’s calculation of non-GAAP free cash flow and the reconciliation of CSG’s non-GAAP free cash flow measure to cash flows from operating activities is provided below for the indicated period (in thousands):

2023 Guidance Range
Low Range High Range
Cash flows from operating activities $ 102,000 $ 148,000
Purchases of software, property and equipment (22,000 ) (28,000 )
Non-GAAP free cash flow $ 80,000 $ 120,000