Comcast Results Presentation Deck

Connectivity & Platforms Adj. EBITDA Margin 5 Revenue ($B) $20.3 2Q22 $8.0 2Q22 $20.4 Adj. EBITDA ($B) $8.3 +170 bps 0.0% 2Q23 +4.3% 41.0% 2Q23 ($M) Residential Connectivity & Platforms Business Services Connectivity 2Q 2023 Revenue y/y% $18,068 (0.5%) $2,292 +4.0% 2Q 2023 Adj. EBITDA y/y% $7,024 +4.3% $1,322 +4.7% ● ● ● ● ● ● Commentary Residential Connectivity revenue +8%, with domestic broadband revenue +4%, domestic wireless revenue +20% and international connectivity revenue +26% Domestic residential broadband customer base was stable; ARPU +4.5% Added 316K wireless lines; 7th consecutive quarter of more than 300k line additions Adj. EBITDA margin +180 bps to 38.9% Driver of margin-accretive growth Stronger growth in Enterprise and Mid-market; slight deceleration in growth in SMB Adj. EBITDA margin +40 bps to 57.7% 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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