Ribbon Communications Inc. Reports Fourth Quarter and Full Year 2024 Financial Results

Record Quarterly Sales and Operating Income Revenue Grows 11% YoY with Strong Demand from Service Providers, Enterprise Customers, and U.S. Federal Agencies , /PRNewswire/ -- Ribbon Communications Inc. (Nasdaq: RBBN), a prominent supplier of real-time communications technology and IP optical networking solutions, today announced its financial results for the fourth quarter and the full year of 2024. Ribbon Communications is dedicated to assisting the world's largest service providers, enterprises, and critical infrastructure operators in modernizing and safeguarding their networks and services. Revenue for the fourth quarter of 2024 was $251 million, compared to $226 million for the fourth quarter of 2023 and $210 million for the third quarter of 2024. GAAP Operating Income was $33 million, compared to $17 million for the fourth quarter of 2023. Quarterly Non-GAAP Adjusted EBITDA increased by 30% year over year to $55 million, or 22% of sales. For the full year 2024, Revenue was $834 million, compared to $826 million for the full year 2023. GAAP Operating Income was $17 million, compared to a loss of ($24) million for 2023. Non-GAAP Adjusted EBITDA improved by 31% to $119 million, or 14% of sales. GAAP and Non-GAAP Gross Margins for the full year increased approximately 300 basis points to 53% and 56% respectively, with improvement in both operating segments. "Our fourth quarter results were very strong across all key financial metrics, achieving record levels of revenue, near the top end of our guidance, and profitability, exceeding our guidance. We believe this is a clear validation of our strategy and a culmination of the effort over the last several years to diversify and drive profitable growth in both Service Provider and Enterprise markets," stated Bruce McClelland, President and Chief Executive Officer of Ribbon Communications. "Revenue growth was underpinned by higher sales to U.S. Tier One Service Providers, U.S. Federal Defense agencies, and Enterprise customers. We also had solid contribution from U.S. Rural Broadband, Europe, and India. When combined with robust margins and our continued operational expense control, profitability improved more than 30% compared to 2023," Mr. McClelland added. "It is especially satisfying to generate Adjusted EBITDA for the full year at the high end of our original guidance range despite the suspension of shipments to Eastern Europe. Our visibility has improved, and we anticipate further momentum in 2025 as the industry-wide focus on network modernization and the investment in fiber networks drives a strong growth cycle." Financial Highlights 1 Three months ended Year ended December 31, December 31, In millions, except per share amounts 2024 2023 2024 2023 GAAP Revenue $ 251 $ 226 $ 834 $ 826 GAAP Net income (loss) $ 6 $ 7 $ (54) $ (66) Non-GAAP Net income (loss) $ 28 $ 22 $ 44 $ 36 Non-GAAP Adjusted EBITDA $ 55 $ 43 $ 119 $ 91 GAAP diluted earnings (loss) per share $ 0.04 $ 0.04 $ (0.31) $ (0.39) Non-GAAP diluted earnings (loss) per share $ 0.16 $ 0.12 $ 0.25 $ 0.21 Weighted average shares outstanding basic 175 172 174 170 Weighted average shares outstanding diluted 179 173 177 173 1 Please see the reconciliations of non-GAAP financial measures to the most directly comparable GAAP measures and additional information about non-GAAP measures in the section entitled "Discussion of Non-GAAP Financial Measures" in the attached schedules. "The fourth quarter was a very strong finish for Ribbon and capped off a transformative year for the business. Improved earnings generation enabled us to successfully refinance our credit facility earlier in the year, and momentum accelerated with the launch of the voice network modernization program with Verizon. Increased business across both Enterprise and Service Providers resulted in a record level of sales in the fourth quarter along with a book-to-bill of 1.1x times. Cash from operations benefitted from higher collections, resulting in a year-end cash position of $90 million. I'm very excited about our growth prospects for 2025," said John Townsend, Chief Financial Officer of Ribbon Communications. Business Outlook2 For 2025, the Company expects profitable growth in both operating segments, with continued momentum from network modernization across Service Providers, Enterprise, and Federal and Defense customers. We expect a normal seasonal pattern with the business accelerating as the year progresses. For the full year 2025, the Company projects revenue of $870 million to $890 million. Non-GAAP gross margin is projected in a range of 54% to 55%. Adjusted EBITDA is projected in a range of $130 million to $140 million. For the first quarter of 2025, the Company projects revenue of $185 million to $195 million. Non-GAAP gross margin is projected in a range of 53% to 53.5%. Adjusted EBITDA is projected in a range of $12 million to $18 million. The Company's outlook is based on current indications for its business, which are subject to change. 2 GAAP earnings guidance is not provided. Please see the reconciliations of non-GAAP financial measures to the most directly comparable GAAP measures and additional information about the non-GAAP measures in the section entitled "Discussion of Non-GAAP Financial Measures" in the attached schedules. Upcoming Conference Schedule March 3-6, 2025: Mobile World Congress March 17-20, 2025: Enterprise Connect March 30-April 3, 2025: Optical Fiber Communication Conference and Exhibition May 21-22, 2025: B. Riley Securities 25th Annual Institutional Investor Conference About Ribbon Ribbon Communications (Nasdaq: RBBN) delivers communications software, IP and optical networking solutions to service providers, enterprises and critical infrastructure sectors globally. We engage deeply with our customers, helping them modernize their networks for improved competitive positioning and business outcomes in today's smart, always-on and data-hungry world. Our innovative, end-to-end solutions portfolio delivers unparalleled scale, performance, and agility, including core to edge software-centric solutions, cloud-native offers, leading-edge security and analytics tools, along with IP and optical networking solutions for 5G and broadband internet. We maintain a keen focus on our commitments to Environmental, Social and Governance (ESG) matters, offering an annual Sustainability Report to our stakeholders. To learn more about Ribbon visit rbbn.com. Important Information Regarding Forward-Looking Statements This release contains "forward-looking statements" within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, which are subject to a number of risks and uncertainties. All statements other than statements of historical facts contained in this release, including without limitation, statements regarding the Company's projected financial results for the first quarter of 2025 and beyond; market share growth; increases in shareholder value; plans and objectives for future operations, including cost reductions; the impact of the wars in Israel and Ukraine; customer spending and engagement and momentum; and plans for future product development and manufacturing and the expected benefits therefrom, are forward-looking statements. Without limiting the foregoing, the words "anticipates", "believes", "could", "estimates", "expects", "expectations", "intends", "may", "plans", "projects" and other similar language, whether in the negative or affirmative, are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Forward-looking statements are based on the Company's current expectations and assumptions regarding its business, the economy and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are unknown and/or difficult to predict and that may cause our actual results, performance or achievements to be materially different from those expressed or implied by the forward-looking statements. Such risks and uncertainties include, but are not limited to, unpredictable fluctuations in quarterly revenue and operating results; the impact of restructuring and cost-containment activities; increases in tariffs, trade restrictions or taxes on the Company's products; supply chain disruptions resulting from component availability and/or geopolitical instabilities and disputes (including those related to the wars in Israel and Ukraine); the closure, on a temporary basis, of the Company's offices or those of the Company's contract manufacturer in Israel as a result of the war and the impact of military call-ups of the Company's employees in Israel; material litigation; the impact of fluctuations in interest rates; material cybersecurity and data intrusion incidents, including any security breaches resulting in the theft, transfer, or unauthorized disclosure of customer, employee, or Company information; the Company's ability to comply with applicable domestic and foreign information security and privacy laws, regulations and technology platform rules or other obligations related to data private and security; failure to compete successfully against telecommunications equipment and networking companies; failure to grow the Company's customer base or generate recurring business from existing customers; credit risks; the timing of customer purchasing decisions and the Company's recognition of revenues; macroeconomic conditions, including inflation; the ability to adapt to rapid technological and market changes; the ability to generate positive returns on the Company's research and development; the ability to protect Company intellectual property rights and obtain necessary licenses; the ability to maintain partner, reseller, distribution and vendor support and supply relationships; the potential for defects in the Company's products; risks related to the terms of the Company's credit agreement; higher risks in international operations and markets; currency fluctuations; unanticipated averse changes in legal, regulatory or tax laws; future accounting pronouncements or changes in the Company's accounting policies; and/or failure or circumvention of the Company's controls and procedures. We therefore caution you against relying on any of these forward-looking statements. These factors are not intended to be an all-encompassing list of risks and uncertainties that may affect the Company's business and results from operations. Additional information regarding these and other factors can be found in the Company's reports filed with the Securities and Exchange Commission, including, without limitation, its Form 10-K for the year ended December 31, 2023. Any forward-looking statement made by the Company in this release speaks only as of the date on which this release was first issued. The Company undertakes no obligation to update any forward-looking statement publicly or otherwise, whether as a result of new information, future developments or otherwise, except as required by law. Discussion of Non-GAAP Financial MeasuresThe Company's management uses several different financial measures, both GAAP and non-GAAP, in analyzing and assessing the overall performance of its business, making operating decisions, planning and forecasting future periods, and determining payments under compensation programs. The Company considers the use of non-GAAP financial measures helpful in assessing the core performance of its continuing operations and when planning and forecasting future periods. The Company's annual financial plan is prepared on a non-GAAP basis and is approved by its board of directors. In addition, budgeting and forecasting for revenue and expenses are conducted on a non-GAAP basis, and actual results on a non-GAAP basis are assessed against the annual financial plan. The Company defines continuing operations as the ongoing results of its business adjusted for certain expenses and credits, as described below. The Company believes that providing non-GAAP information to investors allows them to view the Company's financial results in the way its management views them and helps investors to better understand the Company's core financial and operating performance and evaluate the efficacy of the methodology and information used by its management to evaluate and measure such performance. While the Company's management uses non-GAAP financial measures as tools to enhance its understanding of certain aspects of the Company's financial performance, management does not consider these measures to be a substitute for, or superior to, GAAP measures. In addition, the Company's presentations of these measures may not be comparable to similarly titled measures used by other companies. These non-GAAP financial measures should not be considered alternatives for, or in isolation from, the financial information prepared and presented in accordance with GAAP. Investors are cautioned that there are material limitations associated with the use of non-GAAP financial measures. In particular, many of the adjustments to the Company's financial measures reflect the exclusion of items that are recurring and will be reflected in its financial results for the foreseeable future. Stock-Based CompensationThe expense related to stock-based awards is generally not controllable in the short-term and can vary significantly based on the timing, size and nature of awards granted. The Company believes that presenting non-GAAP operating results that exclude stock-based compensation provides investors with visibility and insight into its management's method of analysis and its core operating performance. Amortization of Acquired Technology (including software licenses); Amortization of Acquired Intangible AssetsAmortization amounts are inconsistent in frequency and amount and are significantly impacted by the timing and size of acquisitions. Amortization of acquired technology is reported separately within Cost of revenue and Amortization of acquired intangible assets is reported separately within Operating expenses. These items are reported collectively as Amortization of acquired intangible assets in the accompanying reconciliations of non-GAAP and GAAP financial measures. The Company believes that excluding non-cash amortization of these intangible assets facilitates the comparison of its financial results to its historical operating results and to other companies in its industry as if the acquired intangible assets had been developed internally rather than acquired. Litigation CostsIn connection with certain ongoing litigation where Ribbon is the defendant (as described in Note 26 to the Company's Consolidated Financial Statements included in its Annual Report on Form 10-K for the year ended December 31, 2023), the Company has incurred litigation costs that began in 2023. Also, on October 14, 2024, a settlement in principle was reached on one of these legal matters and the Company accrued the $5 million settlement in the third quarter of 2024. These costs are included as a component of general and administrative expense. The Company believes that such costs are not part of its core business or ongoing operations, are unplanned, and generally are not within its control. Accordingly, the Company believes that excluding litigation costs related to these specific legal matters facilitates the comparison of the Company's financial results to its historical operating results and to other companies in its industry. Acquisition-, Disposal- and Integration-RelatedThe Company considers certain acquisition-, disposal- and integration-related costs to be unrelated to the organic continuing operations of the Company and its acquired businesses. Such costs are generally not relevant to assessing or estimating the long-term performance of the acquired assets. The Company excludes such acquisition-, disposal- and integration-related costs to allow more accurate comparisons of its financial results to its historical operations and the financial results of less acquisitive peer companies and allows management and investors to consider the ongoing operations of the business both with and without such expenses. Restructuring and RelatedThe Company has recorded restructuring and related expense to streamline operations and reduce operating costs by closing and consolidating certain facilities and reducing its worldwide workforce. The Company believes that excluding restructuring and related expense facilitates the comparison of its financial results to its historical operating results and to other companies in its industry, as there are no future revenue streams or other benefits associated with these costs. Preferred Stock and Warrant Liability Mark-to-Market AdjustmentThe Company recorded adjustments to the fair value of its Series A Preferred Stock and Warrants to purchase shares of the Company's common stock in Other (expense) income, net. Both of these instruments were issued in March 2023 in connection with the Company's private placement and have been classified as liabilities and marked to market each reporting period until the Series A Preferred Stock was fully redeemed on June 25, 2024. The Warrant liability remains outstanding and will continue to be marked to market each reporting period. The Company excluded these gains and losses from the change in the fair value of these liabilities because it believes that such gains or losses were not part of its core business or ongoing operations. Tax Indemnification Write-OffIn connection with the Company's acquisition of ECI Telecom Group Ltd. in 2020, a portion of the shares of our common stock that were issued as consideration were held in escrow for potential future tax liabilities. This $6 million tax indemnity asset, consisting of 2 million shares of common stock held in escrow, was written off upon its expiration on December 31, 2024. The Company believes that excluding this tax indemnification write-off facilitates the comparison of the Company's financial results to its historical operating results and to other companies in its industry. Tax Effect of Non-GAAP AdjustmentsThe Non-GAAP income tax provision is presented based on an estimated tax rate applied against forecasted annual non-GAAP income. The Non-GAAP income tax provision assumes no available net operating losses or valuation allowances for the U.S. because of reporting significant cumulative non-GAAP income over the past several years. The Company is reporting its non-GAAP quarterly income taxes by computing an annual rate for the Company and applying that single rate (rather than multiple rates by jurisdiction) to its consolidated quarterly results. The Company expects that this methodology will provide a consistent rate throughout the year and allow investors to better understand the impact of income taxes on its results. Due to the methodology applied to its estimated annual tax rate, the Company's estimated tax rate on non-GAAP income will differ from its GAAP tax rate and from its actual tax liabilities. Adjusted EBITDAThe Company uses Adjusted EBITDA as a supplemental measure to review and assess its performance. The Company calculates Adjusted EBITDA by excluding from income (loss) from operations: depreciation; stock-based compensation; amortization of acquired intangible assets; certain litigation costs; acquisition-, disposal- and integration-related expense; and restructuring and related expense. In general, the Company excludes the expenses that it considers to be non-cash and/or not a part of its ongoing operations. The Company may exclude other items in the future that have those characteristics. Adjusted EBITDA is a non-GAAP financial measure that is used by the investing community for comparative and valuation purposes. The Company discloses this metric to support and facilitate dialogue with research analysts and investors. Other companies may calculate Adjusted EBITDA differently than the Company does, limiting its usefulness as a comparative measure. Conference Call Details:Conference call to discuss the Company's financial results for the fourth quarter and year ended December 31, 2024. Date: Wednesday, February 12, 2025Time: 4:30 p.m. (ET) Dial-In Information:US/Canada: 877-407-2991International: 201-389-0925Instant Telephone Access: Call me™ Live (Listen-Only) Webcast:Available via the Investor Relations website, where a replay will also be available shortly following the conference call. For more details on financial results, please visit investors.ribboncommunications.com. Investor Relations+1 (978) 614-8050[email protected] Media ContactCatherine Berthier+1 (646) 741-1974[email protected] RIBBON COMMUNICATIONS INC. Consolidated Statements of Operations (in thousands, except percentages and per share amounts) (unaudited) Three months ended December 31, September 30, December 31, 2024 2024 2023 Revenue: Product $ 148,335 $ 112,151 $ 125,984 Service 103,024 98,087 100,417 Total revenue 251,359 210,238 226,401 Cost of revenue: Product 68,483 59,405 61,183 Service 37,316 34,893 37,205 Amortization of acquired technology 5,487 6,323 6,305 Total cost of revenue 111,286 100,621 104,693 Gross profit 140,073 109,617 121,708 Gross margin 55.7 % 52.1 % 53.8 % Operating expenses: Research and development 45,044 45,645 45,351 Sales and marketing 37,070 33,060 35,361 General and administrative 17,060 21,588 13,686 Amortization of acquired intangible assets 6,298 6,457 6,861 Acquisition-, disposal- and integration-related - - 1,494 Restructuring and related 1,381 3,794 2,285 Total operating expenses 106,853 110,544 105,038 Income (loss) from operations 33,220 (927) 16,670 Interest expense, net (12,003) (11,952) (6,989) Other (expense) income, net (13,159) 1,056 (3,232) Income (loss) before income taxes 8,058 (11,823) 6,449 Income tax benefit (provision) (1,694) (1,599) 630 Net income (loss) $ 6,364 $ (13,422) $ 7,079 Earnings (loss) per share: Basic $ 0.04 $ (0.08) $ 0.04 Diluted $ 0.04 $ (0.08) $ 0.04 Weighted average shares used to compute earnings (loss) per share: Basic 175,321 174,613 171,755 Diluted 178,703 174,613 172,990 RIBBON COMMUNICATIONS INC. Consolidated Statements of Operations (in thousands, except percentages and per share amounts) (unaudited) Year ended December 31, December 31, 2024 2023 Revenue: Product $ 447,229 $ 445,150 Service 386,652 381,189 Total revenue 833,881 826,339 Cost of revenue: Product 228,527 250,609 Service 140,949 139,357 Amortization of acquired technology 24,893 28,290 Total cost of revenue 394,369 418,256 Gross profit 439,512 408,083 Gross margin 52.7 % 49.4 % Operating expenses: Research and development 179,941 190,660 Sales and marketing 137,830 137,460 General and administrative 68,740 54,962 Amortization of acquired intangible assets 25,969 28,601 Acquisition-, disposal- and integration-related - 4,476 Restructuring and related 10,160 16,209 Total operating expenses 422,640 432,368 Income (loss) from operations 16,872 (24,285) Interest expense, net (33,821) (27,320) Other (expense) income, net (29,119) (3,768) Income (loss) before income taxes (46,068) (55,373) Income tax benefit (provision) (8,167) (10,833) Net income (loss) $ (54,235) $ (66,206) Earnings (loss) per share: Basic $ (0.31) $ (0.39) Diluted $ (0.31) $ (0.39) Weighted average shares used to compute earnings (loss) per share: Basic 174,044 170,408 Diluted 174,044 170,408 RIBBON COMMUNICATIONS INC. Consolidated Balance Sheets (in thousands) (unaudited) December 31, December 31, 2024 2023 Assets Current assets: Cash and cash equivalents $ 87,770 $ 26,494 Restricted cash 2,709 136 Accounts receivable, net 254,718 268,421 Inventory 79,179 77,521 Other current assets 39,286 46,146 Total current assets 463,662 418,718 Property and equipment, net 60,364 41,820 Intangible assets, net 187,537 238,087 Goodwill 300,892 300,892 Deferred income taxes 88,982 69,761 Operating lease right-of-use assets 34,544 39,783 Other assets 26,573 35,092 $ 1,162,554 $ 1,144,153 Liabilities and Stockholders' Equity Current liabilities: Current portion of term debt $ 6,125 $ 35,102 Accounts payable 87,759 85,164 Accrued expenses and other 106,251 91,687 Operating lease liabilities 9,443 15,739 Deferred revenue 119,295 113,381 Total current liabilities 328,873 341,073 Long-term debt, net of current 330,726 197,482 Warrant liability 8,064 5,295 Preferred stock liability - 53,337 Operating lease liabilities, net of current 37,376 38,711 Deferred revenue, net of current 20,991 19,218 Deferred income taxes 5,941 5,616 Other long-term liabilities 25,962 30,658 Total liabilities 757,933 691,390 Commitments and contingencies Stockholders' equity: Common stock 18 17 Additional paid-in capital 1,970,708 1,958,909 Accumulated deficit (1,574,185) (1,519,950) Accumulated other comprehensive income 8,080 13,787 Total stockholders' equity 404,621 452,763 $ 1,162,554 $ 1,144,153 RIBBON COMMUNICATIONS INC. Consolidated Statements of Cash Flows (in thousands) (unaudited) Year ended December 31, December 31, 2024 2023 Cash flows from operating activities: Net income (loss) $ (54,235) $ (66,206) Adjustments to reconcile net income (loss) to cash flows provided by (used in) operating activities: Depreciation and amortization of property and equipment 13,539 14,105 Amortization of intangible assets 50,862 56,891 Amortization of debt issuance costs and original issue discount 4,847 3,241 Amortization of accumulated other comprehensive gain related to interest rate swap (8,196) (5,575) Stock-based compensation 16,086 21,806 Deferred income taxes (16,887) (9,196) Gain on sale of swap - (7,301) Change in fair value of warrant liability 2,769 (201) Change in fair value of preferred stock liability 8,091 1,548 Dividends accrued on preferred stock liability 2,743 3,935 Payment of dividends accrued on preferred stock liability (6,686) - Foreign currency exchange (gains) losses 5,741 (44) Changes in operating assets and liabilities: Accounts receivable 12,420 5,726 Inventory (3,616) (10,701) Other operating assets 30,459 34,834 Accounts payable (6,016) (10,498) Accrued expenses and other long-term liabilities (9,367) (14,684) Deferred revenue 7,686 (593) Net cash provided by (used in) operating activities 50,240 17,087 Cash flows from investing activities: Purchases of property and equipment (22,406) (9,381) Purchases of software licenses (462) (100) Net cash provided by (used in) investing activities (22,868) (9,481) Cash flows from financing activities: Borrowings under revolving line of credit 44,106 97,000 Principal payments on revolving line of credit (44,106) (97,000) Proceeds from issuance of term debt 342,300 - Principal payments of term debt (237,145) (95,058) Payment of debt issuance costs (6,312) (1,685) Proceeds from issuance of preferred stock and warrant liabilities - 53,350 Payment of preferred stock liability (56,850) - Proceeds from the exercise of stock options 21 15 Payment of tax obligations related to vested stock awards and units (4,308) (4,481) Net cash provided by (used in) financing activities 37,706 (47,859) Effect of exchange rate changes on cash and cash equivalents (1,229) (379) Net increase (decrease) in cash and cash equivalents 63,849 (40,632) Cash, cash equivalents and restricted cash, beginning of year 26,630 67,262 Cash, cash equivalents and restricted cash, end of period $ 90,479 $ 26,630 RIBBON COMMUNICATIONS INC. Supplemental Information (in thousands) (unaudited) The following tables provide the details of stock-based compensation included as components of other line items in the Company's Consolidated Statements of Operations and the line items in which these amounts are reported. Three months ended Year ended December 31, September 30, December 31, December 31, December 31, 2024 2024 2023 2024 2023 Stock-based compensation Cost of revenue - product $ 66 $ 64 $ 125 $ 300 $ 510 Cost of revenue - service 288 291 550 1,325 2,147 Cost of revenue 354 355 675 1,625 2,657 Research and development 737 745 1,112 3,166 4,933 Sales and marketing 1,178 1,108 1,438 4,397 7,111 General and administrative 1,756 1,837 1,667 6,898 7,105 Operating expense 3,671 3,690 4,217 14,461 19,149 Total stock-based compensation $ 4,025 $ 4,045 $ 4,892 $ 16,086 $ 21,806 RIBBON COMMUNICATIONS INC. Reconciliation of Non-GAAP and GAAP Financial Measures (in thousands, except per share amounts) (unaudited) Three months ended December 31, September 30, December 31, 2024 2024 2023 GAAP Gross margin 55.7 % 52.1 % 53.8 % Stock-based compensation 0.2 % 0.2 % 0.3 % Amortization of acquired technology 2.2 % 3.0 % 2.7 % Non-GAAP Gross margin 58.1 % 55.3 % 56.8 % GAAP Net income (loss) $ 6,364 $ (13,422) $ 7,079 Stock-based compensation 4,025 4,045 4,892 Amortization of intangible assets 11,785 12,780 13,166 Litigation costs 1,583 6,896 538 Acquisition-, disposal- and integration-related - - 1,494 Restructuring and related 1,381 3,794 2,285 Preferred stock and warrant liability mark-to-market adjustment 2,478 (583) 3,724 Tax indemnification write-off 6,313 - - Tax effect of non-GAAP adjustments (5,648) (5,024) (11,606) Non-GAAP Net income (loss) $ 28,281 $ 8,486 $ 21,572 GAAP Diluted earnings (loss) per share $ 0.04 $ (0.08) $ 0.04 Stock-based compensation 0.02 0.02 0.03 Amortization of intangible assets 0.06 0.08 0.08 Litigation costs 0.01 0.04 * Acquisition-, disposal- and integration-related - - 0.01 Restructuring and related 0.01 0.02 0.01 Preferred stock and warrant liability mark-to-market adjustment 0.01 * 0.02 Tax indemnification write-off 0.04 - - Tax effect of non-GAAP adjustments (0.03) (0.03) (0.07) Non-GAAP Diluted earnings (loss) per share $ 0.16 $ 0.05 $ 0.12 Weighted average shares used to compute diluted earnings (loss) per share Shares used to compute GAAP diluted earnings (loss) per share 175,321 174,613 171,755 Shares used to compute Non-GAAP diluted earnings (loss) per share 178,703 177,028 172,990 GAAP Income (loss) from operations $ 33,220 $ (927) $ 16,670 Depreciation 3,408 3,361 3,502 Stock-based compensation 4,025 4,045 4,892 Amortization of intangible assets 11,785 12,780 13,166 Litigation costs 1,583 6,896 538 Acquisition-, disposal- and integration-related - - 1,494 Restructuring and related 1,381 3,794 2,285 Non-GAAP Adjusted EBITDA $ 55,402 $ 29,949 $ 42,547 * Less than $0.01 impact on earnings (loss) per share. RIBBON COMMUNICATIONS INC. Reconciliation of Non-GAAP and GAAP Financial Measures (in thousands, except per share amounts) (unaudited) Year ended December 31, December 31, 2024 2023 GAAP Gross Margin 52.7 % 49.4 % Stock-based compensation 0.2 % 0.3 % Amortization of acquired technology 3.0 % 3.4 % Non-GAAP Gross Margin 55.9 % 53.1 % GAAP Net income (loss) $ (54,235) $ (66,206) Stock-based compensation 16,086 21,806 Amortization of intangible assets 50,862 56,891 Litigation costs 11,198 1,307 Acquisition-, disposal- and integration-related - 4,476 Restructuring and related 10,160 16,209 Preferred stock and warrant liability mark-to-market adjustment 13,604 5,282 Preferred stock and warrant liability issuance costs - 3,545 Tax indemnification write-off 6,313 - Tax effect of non-GAAP adjustments (9,796) (7,462) Non-GAAP Net income (loss) $ 44,192 $ 35,848 GAAP Diluted earnings (loss) per share $ (0.31) $ (0.39) Stock-based compensation 0.09 0.13 Amortization of intangible assets 0.29 0.33 Litigation costs 0.06 0.01 Acquisition-, disposal- and integration-related - 0.03 Restructuring and related 0.06 0.09 Preferred stock and warrant liability mark-to-market adjustment 0.08 0.03 Preferred stock and warrant liability issuance costs - 0.02 Tax indemnification write-off 0.04 - Tax effect of non-GAAP adjustments (0.06) (0.04) Non-GAAP Diluted earnings (loss) per share $ 0.25 $ 0.21 Weighted average shares used to compute diluted earnings (loss) per share Shares used to compute GAAP diluted earnings (loss) per share 174,044 170,408 Shares used to compute Non-GAAP diluted earnings (loss) per share 177,306 172,947 GAAP Income (loss) from operations $ 16,872 $ (24,285) Depreciation 13,539 14,105 Stock-based compensation 16,086 21,806 Amortization of intangible assets 50,862 56,891 Litigation costs 11,198 1,307 Acquisition-, disposal- and integration-related - 4,476 Restructuring and related 10,160 16,209 Non-GAAP Adjusted EBITDA $ 118,717 $ 90,509 * Less than $0.01 impact on earnings (loss) per share. RIBBON COMMUNICATIONS INC. Reconciliation of Non-GAAP and GAAP Financial Measures (in thousands) (unaudited) Trailing Twelve Months December 31, September 30, December 31, 2024 2024 2023 GAAP Income (loss) from operations $ 16,872 $ 322 $ (24,285) Depreciation 13,539 13,633 14,105 Stock-based compensation 16,086 16,953 21,806 Amortization of intangible assets 50,862 52,243 56,891 Litigation costs 11,198 10,153 1,307 Acquisition-, disposal- and integration-related - 1,494 4,476 Restructuring and related 10,160 11,064 16,209 Non-GAAP Adjusted EBITDA $ 118,717 $ 105,862 $ 90,509 RIBBON COMMUNICATIONS INC. Reconciliation of Non-GAAP and GAAP Financial Measures - Outlook (unaudited) Three months ending Year ending March 31, 2025 December 31, 2025 Midpoint (1) Range Midpoint (1) Range Revenue ($ millions) $ 190 +/- $5M $ 880 +/- $10M Gross margin: GAAP outlook 50.25 % 52.0 % Stock-based compensation 0.20 % 0.2 % Amortization of acquired technology 2.80 % 2.3 % Non-GAAP outlook 53.25 % +/- 0.25% 54.5 % +/- 0.5% Adjusted EBITDA ($ millions): GAAP income (loss) from operations $ (6.4) $ 49.7 Depreciation 3.6 15.8 Stock-based compensation 4.0 16.2 Amortization of intangible assets 11.5 44.1 Litigation costs 0.3 1.2 Restructuring and related 2.0 8.0 Non-GAAP outlook $ 15.0 +/- $3M $ 135.0 +/- $5M (1) Q1 2025 and FY 2025 outlook represents the midpoint of the expected ranges SOURCE Ribbon Communications Inc. WANT YOUR COMPANY'S NEWS FEATURED ON PRNEWSWIRE.COM? 440k+ Newsrooms & Influencers 9k+ Digital Media Outlets 270k+ Journalists Opted In

Ribbon Communications Inc. Reports Fourth Quarter and Full Year 2024 Financial Results

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