Lumen Investor Presentation Deck

3Q23 Mass Markets Revenue Fiber Contribution Ramping Revenue ($ in millions) Fiber Broadband Other Broadband (1) Voice and Other Total Mass Markets Q/Q% Change $162 3.2% 21.7% $340 (4.2%) 45.5% $245 32.8% (2.8%) $747 (2.2%) 100% 3Q23 % Total 18% Fiber Revenue Contribution to Total Broadband 18% 19% (1) Other Broadband revenue primarily includes revenue from lower speed copper-based broadband services marketed under the CenturyLink brand. 22 Issued: October 31, 2023 20% 22% 28% 29% 31% 32% 3Q21 4Q21 1Q22 2Q22 3Q22 4Q22 1Q23 2Q23 3Q23 Y Includes the 20-State ILEC Business Divestiture Quantum FIBER

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