Comcast Results Presentation Deck

Notes Beginning in the first quarter of 2021, we changed the presentation of segment operating results relating to NBCUniversal. The operations of Peacock, which were previously reported in Corporate and Other, will now be included in NBCUniversal results, and the operations of NBCUniversal will now be presented in three reportable business segments: Media, Studios and Theme Parks. Prior periods have been revised for these and certain other changes. Refer to our Form 8-K (Quarterly Earnings Release) for further details. We define Adjusted EBITDA as net income attributable to Comcast Corporation before net income (loss) attributable to noncontrolling interests and redeemable subsidiary preferred stock, income tax expense, investment and other income (loss), net, interest expense, depreciation and amortization expense, and other operating gains and losses (such as impairment charges related to fixed and intangible assets and gains or losses on the sale of long-lived assets), if any. From time to time, we may exclude from Adjusted EBITDA the impact of certain events, gains, losses or other charges (such as significant legal settlements) that affect the period-to-period comparability of our operating performance. Refer to our Form 8-K (Quarterly Earnings Release) for a reconciliation and further details. We define Adjusted EPS as our diluted earnings per common share attributable to Comcast Corporation shareholders adjusted to exclude the effects of the amortization of acquisition-related intangible assets, investments that investors may want to evaluate separately (such as based on fair value) and the impact of certain events, gains, losses or other charges that affect period-over- period comparisons. Refer to our Form 8-K (Quarterly Earnings Release) for a reconciliation and further details. We define Free Cash Flow as net cash provided by operating activities (as stated in our Consolidated Statement of Cash Flows) reduced by capital expenditures and cash paid for intangible assets. From time to time, we may exclude from Free Cash Flow the impact of certain cash receipts or payments (such as significant legal settlements) that affect period-to-period comparability. Cash payments related to certain capital or intangible assets, such as the construction of Universal Beijing Resort, are presented separately in our Consolidated Statement of Cash Flows and are therefore excluded from capital expenditures and cash paid for intangible assets for Free Cash Flow. Refer to our Form 8-K (Quarterly Earnings Release) for a reconciliation and further details. We define Cable Communications Net Cash Flow as Cable Communications Adjusted EBITDA reduced by capital expenditures and cash paid for capitalized software and other intangible assets. Refer to our trending schedules for a reconciliation and further details. Sky constant currency growth rates are calculated by comparing the current period results to the comparative period results in the prior year adjusted to reflect the average exchange rates from the current year period rather than the actual exchange rates in effect during the respective prior year periods. Refer to our Form 8-K (Quarterly Earnings Release) for a reconciliation and further details. As of March 31, 2021 - Consolidated net debt of $85.8 billion represents long-term debt, including current portion (as stated in our Consolidated Balance Sheet), adjusted to exclude $3.0 billion of Universal Beijing Resort debt, less cash and cash equivalents (as stated in our Consolidated Balance Sheet). Amounts owed under a collateralized obligation are presented separately in our Consolidated Balance Sheet and are therefore excluded from consolidated net debt. Consolidated net leverage is calculated as net debt/trailing twelve month Adjusted EBITDA, adjusted to exclude Universal Beijing Resort. The denominator of $31.3 billion represents Adjusted EBITDA for the twelve months ended March 31, 2021 of $31.1 billion, as presented in our trending schedules, adjusted to exclude $0.2 billion of Universal Beijing Resort Adjusted EBITDA losses. As of March 31, 2020 - Consolidated net debt of $94.2 billion represents long-term debt, including current portion (as stated in our Consolidated Balance Sheet), adjusted to exclude $1.5 billion of Universal Beijing Resort debt, plus $725 million of NBCUniversal Enterprise, Inc. preferred stock, less cash and cash equivalents (as stated in our Consolidated Balance Sheet). Amounts owed under a collateralized obligation are presented separately in our Consolidated Balance Sheet and are therefore excluded from consolidated net debt. Consolidated net debt/Adjusted EBITDA is calculated based on trailing twelve month Adjusted EBITDA. Adjusted EBITDA for the twelve months ended March 31, 2020 was $33.8B, as presented in our trending schedules. 11

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