Comcast Results Presentation Deck

3rd Quarter 2021 Highlights 3 COMCAST $30.3B in Revenue $9.0B in Adjusted EBITDA See Notes on Slide 11 BROADBAND H AGGREGATION $0.87 in Adjusted EPS $3.2B in Free Cash Flow COMCAST STREAMING ● xfinity Total customer relationship net additions were 255K; total broadband customer net additions were 300K ● NBCUniversal ● COMCAST BUSINESS ● Revenue ($B) ● $16.1 Adjusted EBITDA +10.3% driven by strength in broadband Added 285K wireless customer lines, best quarterly result since launch in 2017 Introduced XClass TV in October Adj. EBITDA ($B) $7.1 $10.0 Adjusted EBITDA +48.2%, including Peacock losses Theme Parks delivered the most profitable quarter since 1Q20 • Celebrated the grand opening of Universal Beijing on Sept. 20th sky Adjusted EBITDA +76.2% on a constant currency basis; results led by the U.K. • Introduced Sky Glass in October $5.0 $1.3 $1.0

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