Comcast Results Presentation Deck

Connectivity & Platforms Adj. EBITDA Margin 5 Revenue ($B) $20.0 3Q22 $8.0 3Q22 $20.3 Adj. EBITDA ($B) $8.2 +100 bps +0.2% 3Q23 +2.6% 40.6% 3Q23 ($M) Residential Connectivity & Platforms Business Services Connectivity 3Q 2023 Revenue y/y % $17,951 (0.4%) $2,320 +4.7% 3Q 2023 Adj. EBITDA y/y% $6,886 +2.4% $1,335 +3.6% ● ● ● ● ● ● ● Commentary Residential Connectivity revenue +7.5%, with domestic broadband revenue +4%, domestic wireless revenue +16% and international connectivity revenue +25% Domestic residential broadband ARPU +3.9%; customer base was stable Added 294K wireless lines; 10% penetration of domestic residential broadband customers - long runway for growth Adj. EBITDA margin was 38.4% Driver of margin-accretive growth Reflects strong revenue growth in Enterprise and Mid-market Adj. EBITDA margin was 57.5% All percentages represent year/year constant currency growth rates, except Adj. EBITDA margin. The year/year increase in Adjusted EBITDA margin is represented in constant currency basis points. See Notes on Slide 10

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