Comcast Investor Presentation Deck

Early Stage of Growth in Domestic Wireless; Driving Penetration and Lines per Account 11 Domestic Wireless Subscriber Lines ('000s) 3,980 2021 *10% penetration at the end of 3Q23. +1,334 5,313 2022 xfinity mobile Only 9% penetration of our base of domestic residential broadband customers*; plenty of runway ahead Roadmap for future growth: Continue to leverage new pricing plan and capabilities ● ● Focus on experience and value with convergence Continue to focus on base management and churn improvement COMCAST

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