Comcast Results Presentation Deck

Connectivity & Platforms Adj. EBITDA Margin 5 Revenue ($B) $20.5 1Q22 $7.8 Adj. EBITDA ($B) $8.1 1Q22 $20.2 (0.1%) +160 bps 1Q23 +3.9% 40.2% 1Q23 ($M) Residential Connectivity & Platforms Business Services Connectivity 1Q 2023 Revenue y/y% $17,869 (0.7%) $2,283 +5.2% 1Q 2023 Adj. EBITDA y/y% $6,762 +3.2% $1,332 + 7.9% ● ● ● ● ● ● ● Commentary Residential Connectivity revenue +8%, with domestic broadband revenue +5%, domestic wireless revenue +27% and international connectivity revenue +18% Domestic residential broadband customer base was stable; ARPU +4.5% Added 355K wireless lines, a record high for a first quarter Adj. EBITDA margin +140 bps to 37.8% Augmented our disclosure in this area A driver of margin-accretive growth Adj. EBITDA margin +150 bps to 58.3% 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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