Comcast Results Presentation Deck

Cable: Strength in High-Speed Internet and Business Services Total Customer Relationships (in millions) 29.6 +3% 6 $59 29.8 -1% +3% 1Q18 30.1 $61 +4% +2% $60 30.4 Adjusted EBITDA² per Customer Relationship* +4% +4% 2Q18 3Q18 1Q18 2Q18 3Q18 4Q18 1Q19 2Q19 3Q19 4Q19 30.7 $61 +4% +4% 30.9 $62 +3% +6% 31.2 $63 +3% +4% $62 31.5 +3% +4% $63 +2% 4Q18 1Q19 2Q19 3Q19 4Q19 4th Quarter 2019 Highlights Total customer relationship net additions of 372K; best quarterly result on record Total customer relationships +3.7% y/y to 31.5MM Total HSI customer net additions of 442K Wireless line net additions of 261K ● ● ● 2019 Highlights Total customer relationship net additions of 1.1MM; best year on record ● Cable Communications revenue: +2.6% to $14.8Bn - HSI revenue: +8.8% to $4.8Bn - Business Services revenue: +8.8% to $2.0Bn - Advertising revenue: -19.1% to $699MM; flat ex-political • Total HSI customer net additions of 1.4MM; best result in 12 years Adjusted EBITDA per customer relationship +3.5% ● All percentages represent year/year growth rates. Cable results have been restated to include Comcast Cable's wireless phone service and certain other Cable-related business development initiatives that were previously presented in Corporate and Other. *Represents Average Monthly Adjusted EBITDA per Customer Relationship. See Notes on Slide 11 COMCAST

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