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optimum . Second Quarter 2026 Results August 6 , 2026
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2 FORWARD-LOOKING STATEMENTS Certain statements in this presentation constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, all statements other than statements of historical facts contained in this presentation regarding our intentions, beliefs or current expectations concerning, among other things, our future financial condition, liquidity, capital structure and results of operations; our strategy, objectives, prospects and trends, including driving margin expansion, improving broadband trends (including simplifying products and services and pricing and improving convergence and value-added product sell-in), maintaining financial discipline (including base management, , cost optimization and our AI and automation capabilities) and investing for long-term value creation (including fiber expansion, network upgrades and investments); our capital structure, including our ability to address upcoming maturities, refinancing activities, deleveraging initiatives and transformation plans; our subscriber trends (including broadband, mobile, video and fiber, churn, customer growth, retention, and penetration) and competitive dynamics; our go-to-market strategies and pricing and rate management strategies and the anticipated benefits thereof; our expectations regarding future financial performance, including revenue, ARPU, Adjusted EBITDA, cash capital expenditures and passings additions; network enhancements (including fiber expansion, HFC network upgrades, multi- gig speeds and related growth opportunities); and future developments in the markets in which we participate or are seeking to participate. These forward-looking statements can be identified by the use of forward-looking terminology, including without limitation the terms “anticipate”, “believe”, “could”, “estimate”, “expect”, “forecast”, “intend”, “may”, “opportunity”, “plan”, “project”, “should”, “target”, “outlook”, or “will” or, in each case, their negative, or other variations or comparable terminology. Where, in any forward-looking statement, we express an expectation or belief as to future results or events, such expectation or belief is expressed in good faith and believed to have a reasonable basis, but there can be no assurance that the expectation or belief will result or be achieved or accomplished. To the extent that statements in this presentation are not recitations of historical fact, such statements constitute forward-looking statements, which, by definition, involve risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such statements including risks referred to in our SEC filings, including our Annual Report on Form 10-K for the fiscal year ended December 31, 2025 and subsequent Quarterly Reports on Form 10-Q. You are cautioned to not place undue reliance on Optimum Communications’ forward-looking statements. Any forward-looking statement speaks only as of the date on which it was made. Optimum Communications specifically disclaims any obligation to publicly update or revise any forward-looking statement, as of any future date. NON-GAAP FINANCIAL MEASURES We define Adjusted EBITDA, which is a non-GAAP financial measure, as net income (loss) excluding income taxes, non-operating income or expenses, gain (loss) on extinguishment of debt and write-off of deferred financing costs, gain (loss) on interest rate swap contracts, gain (loss) on derivative contracts, gain (loss) on investments and sale of affiliate interests, interest expense, net, depreciation and amortization, share-based compensation, restructuring, impairments and other operating items (such as significant legal settlements and contractual payments for terminated employees). We define Adjusted EBITDA margin as Adjusted EBITDA divided by total revenue. Adjusted EBITDA eliminates the significant non-cash depreciation and amortization expense that results from the capital-intensive nature of our business and from intangible assets recognized from acquisitions, as well as certain non-cash and other operating items that affect the period-to-period comparability of our operating performance. In addition, Adjusted EBITDA is unaffected by our capital and tax structures and by our investment activities. We believe Adjusted EBITDA is an appropriate measure for evaluating our operating performance. Adjusted EBITDA and similar measures with similar titles are common performance measures used by investors, analysts and peers to compare performance in our industry. Internally, we use revenue and Adjusted EBITDA measures as important indicators of our business performance and evaluate management’s effectiveness with specific reference to these indicators. We believe Adjusted EBITDA provides management and investors a useful measure for period-to-period comparisons of our core business and operating results by excluding items that are not comparable across reporting periods or that do not otherwise relate to our ongoing operating results. Adjusted EBITDA should be viewed as a supplement to and not a substitute for operating income (loss), net income (loss), and other measures of performance presented in accordance with U.S. generally accepted accounting principles ("GAAP"). Since Adjusted EBITDA is not a measure of performance calculated in accordance with GAAP, this measure may not be comparable to similar measures with similar titles used by other companies. We also use Free Cash Flow (defined as net cash flows from operating activities less cash capital expenditures) as a liquidity measure. We believe this measure is useful to investors in evaluating our ability to service our debt and make continuing investments with internally generated funds, although it may not be directly comparable to similar measures reported by other companies. For a reconciliation of these non-GAAP measures to net income and net cash flows from operating activities, respectively, please see the Q2 2026 Optimum Communications earnings release posted to the Optimum Communications website. Note: Certain numerical information is presented on a rounded basis. Minor differences in totals and percentage calculations may exist due to rounding.
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3 Investing in long-term value creation while maintaining financial discipline Simpler, Broader Offers Converged customer-value focused offers Richer Customer Experience End-to-end digital customer journeys Easier Service Delivery Diagnostics-led care & field efficiency Modern Network Platform Targeted plant investments Long-Term Strategy
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4 Focus on High-Value Customer Relationships Growing through Mobile + Surpassed 700k mobile lines + Improved quality of sale + Better credit decisioning + Multi-line adoption + Supports ARPU stability & retention + Higher-value packages with improved profitability + Entertainment TV, Extra TV, Everything TV (“E-Tiers”) + Continued pricing optimization + Supports broadband retention Growing through mobile Enhancing video value Strengthening broadband 546 584 623 674 724 6.9% Q2-25 7.4% Q3-25 8.0% Q4-25 8.5% Q1-26 8.9% Q2-26 Mobile ending lines (000s) Total mobile customer penetration of broadband base(1) + Simplified go-to-market, pricing and packaging + Driving customer acquisition and higher-speed tier sell-in + Data-driven base management + Continued competitive pressure Q2-25 Q3-25 Q4-25 Q1-26 Q2-26 38% 40% 43% 47% 53% % of Residential Broadband Customer Base taking 1 Gbps or Higher (1) Total mobile customer penetration of broadband base is expressed as the percentage of customers subscribing to both broadband and mobile services divided by the total broadband customer base. Excludes mobile only customers. As of Q2-26, this metric in the current period and historical periods has been restated to align with total broadband counts versus previously disclosed residential only. 168 226 248 263 274 10% Q2-25 13% Q3-25 15% Q4-25 17% Q1-26 18% Q2-26 Total E-tier video subscribers (000s) Penetration of E-tier subscribers to residential video base
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5 Sales Acquisition Cost Improvement Channel mix and marketing cost efficiencies Q2-25 Q2-26 ~10% reduction Optimizing Workforce Internal and external headcount (FTE) reduction Driving Operational Improvements + Delivering productivity gains and reducing operating expenses + Leveraging AI and automation to improve efficiency + Simplifying the end-to-end customer journey and improving communications + Expanding digital capabilities to improve service and retentionQ2-25 Q2-26 ~10% reduction Activity Reduction Truck roll and call volume reductions Q2-25 Q2-26 >20% reduction
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6 Q2 Subscriber Trends Net Adds (000s) (35) (58) (62) (56) (40) Q2-25 Q3-25 Q4-25 Q1-26 Q2-26 4.3 4.0 Q2-25 Q2-26 -5.2% (58) (63) (49) (51) (46) Q2-25 Q3-25 Q3-25 Q1-26 Q2-26 1.8 1.6 Q2-25 Q2-26 -12.0% Broadband Subscribers Ending (m) Video Subscribers Net Adds (000s) Ending (m) 38 38 38 52 50 Q2-25 Q3-25 Q4-25 Q1-26 Q2-26 Mobile Lines Net Adds (000s) Ending (000s) 546 724 Q2-25 Q2-26 +32.6% 56 40 12 13 20 Q2-25 Q3-25 Q4-25 Q1-26 Q2-26 663 749 Q2-25 Q2-26 +13.0% Fiber Customers Net Adds (000s) Ending (000s) (1) (1) (1) Presented metrics in Q1-26 excludes subscriber adjustments taken in Q1-26 related to prior periods. In Q1-26, broadband subscriber net adds on a reported basis were (64k) and video subscriber net adds were (60k).
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7 (1) Residential connectivity & all other includes residential broadband, residential telephony, residential mobile service, and all other. (2) Residential ARPU is calculated by dividing the average monthly revenue for the respective period derived from the sale of broadband, video, telephony and mobile services to residential customers by the average number of total residential customers for the same period and excludes mobile-only customer relationships. (3) Video contribution to residential ARPU is calculated by dividing the average monthly revenue for the respective period derived from the sale of video to residential customers by the average number of total residential customers for the same period. (4) Convergence ARPU is calculated by dividing the average monthly revenue for the respective period derived from the sale of broadband and mobile services to residential customers by the average number of total residential broadband customers for the same period and excludes mobile-only customer relationships. $362 $366 $1,006 $970 $119 $100 $661 $588 Q2-25 Q2-26 Residential video News & advertising Residential connectivity & all other(1) Business services $2,147 $2,024 -5.8% Convergence ARPU(4) ($)Residential ARPU(2) ($)Revenue ($m) $77.95 $79.80 Q2-25 Q2-26 +2.4% $80.10 $81.67 $53.58 $50.55 Q2-25 Q2-26 $133.68 $132.22 -1.1% Video contribution to residential ARPU(3) Residential ARPU excluding video contribution Q2 Financials
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8 $804 $786 Q2-25 Q2-26 -2.2% Adj. EBITDA Margin(1) %Adj. EBITDA(1) ($m)Gross Margin % Q2-25 Q2-26 69.1% 71.0% +180bps Q2-25 Q2-26 37.4% 38.8% +140bps Q2 Financials Margin Expansion: Gross Margin +180bps and Adj. EBITDA Margin(1) +140bps year-over-year (1) Adjusted EBITDA and Adjusted EBITDA margin are non-GAAP financial measures. For a reconciliation to net income (loss) and net income (loss) margin, see the Q2 2026 Optimum Communications earnings release posted to the Optimum Communications website. Q2 2026 net income (loss) was ($282.1m) and net income (loss) margin was (13.9%).
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9 Growing through Mobile Capital Expenditures and Network Investment Cash Capital Expenditures Optimum Footprint Q2-26 Total passings 10.1m Fiber passings 3.2m Total passings added in LTM +223k $169m $96m $109m $91m $111m $174m $175m $112m $151m $134m Q2-25 Q3-25 Q4-25 Q1-26 Q2-26 Growth Maintenance $271m $220m $242m $245m $343m $41m $55m $62m $66m $75m Q2-25 Q3-25 Q4-25 Q1-26 Q2-26 Lightpath $384m $326m $320m$282m $308m
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10 Debt Maturity Profile (1) Maturity schedule includes both scheduled amortization and final maturities. Amortization reflects periodic principal reductions in the years due, with the remaining balance due at maturity. (2) L2QA leverage is calculated as quarter end net debt divided by the last two quarters of Adjusted EBITDA annualized. Weighted Average Cost of Debt (WACD) 6.8% Weighted Average Life of Debt (WAL) 2.8 years Fixed Rate % of Debt 81% Lightpath Ending Cash ~$87m CSC Holdings Restricted Group and UnSub Group Ending Cash ~$881m Optimum Communications Consolidated as of June 30, 2026 2026 2027 2028 2029 2030 2031 $0.0 $6.3 $6.2 $3.8 $5.7 $4.7 CSC Holdings, LLC Lightpath Fiber Issuer LLC Debt Maturity by year(1) ($bn) L2QA Leverage(2) 8.0x
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11 Q&A Q&A 11
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12 Q&A 12 APPENDIX
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13 ($320) ($408) $786 Adjusted EBITDA(1) Cash capex Cash interest ($74) Cash tax ($75) Other operating cash flows ($92 ) Free Cash Flow(1) Free Cash Flow(1) ($m) (1) Adjusted EBITDA and Free Cash Flow are non-GAAP measures. For a reconciliation of these non-GAAP measures to net income (loss) and net cash flows from operating activities, respectively, please see the Q2 2026 Optimum Communications earnings release posted to the Optimum Communications website. Q2 2026 net income (loss) was ($282.1m) and cash flow from operating activities is $228.1m. Q2 2026 Free Cash Flow Bridge
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14 Summary Financial Information (1) Adjusted EBITDA and Adjusted EBITDA margin are non-GAAP financial measures. For a reconciliation to net income (loss) and net income (loss) margin, see the Q2 2026 Optimum Communications earnings release posted to the Optimum Communications website. Q2 2026 net income (loss) was ($282.1m) and net income (loss) margin was (13.9%). ($m) Q2-25 Q2-26 Q2-26 YoY Residential $1,648 $1,538 -6.7% Business Services $362 $366 1.2% News & Advertising $119 $100 -15.8% Other $19 $20 6.0% Total Revenue $2,147 $2,024 -5.8% Adjusted EBITDA(1) $804 $786 -2.2% Margin (%)(1) 37.4% 38.8% Cash capital expenditures $384 $320 -16.6% Capex % of revenue 17.9% 15.8%