Comcast Results Presentation Deck

Connectivity & Platforms Adj. EBITDA Margin 6 Revenue ($B) $20.3 4Q22 $7.3 $20.4 (0.5%) Adj. EBITDA ($B) Ex. severance/other/FX, Adj. EBITDA +2.4%** 4Q22 4Q23 $7.6 +3.1% +110 bps ex. severance and other/FX** 4Q23 ($M) 4Q 2023 Revenue y/y% Residential Connectivity & Platforms Ex. severance/other/FX Business Services Connectivity Ex. severance/FX $18.058 (1.3%) $2,361 +5.8% All percentages represent year/year constant currency growth rates. **Reported results for 4Q22 and 4Q23 include severance and other. Refer to Notes page for further details. See Notes on Slide 11 4Q 2023 Adj. EBITDA y/y% $6,276 +3.3% +1.9% ** $1,303 + 2.1% + 4.8% ** ● ● ● Commentary Residential Connectivity revenue +7%, with domestic broadband revenue +4%, domestic wireless revenue +15% and international connectivity revenue +19% Domestic residential broadband ARPU +3.9%; customer base was stable Wireless revenue eclipsed $1B in quarterly revenue for the first time, added 310K wireless lines; 11% penetration of domestic residential broadband customers Ex. severance and other and the impact of FX, Adj. EBITDA margin increased 120 bps Reflects consistent growth in our SMB category, strong revenue growth in Mid-market and Enterprise Ex. severance and the impact of FX, Adjusted EBITDA margin was nearly unchanged

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