Lumen Investor Presentation Deck

1Q23 Mass Markets Revenue Fiber Contribution Ramping Revenue ($ in millions) Fiber Broadband Other Broadband (1) Voice and Other Total Mass Markets 1Q23 $152 $369 $261 $782 Q/Q% Change 2.7% (2.1%) % Total (1.6%) 19.4% 47.2% (3.3%) 33.4% 100% (1) Other Broadband revenue primarily includes revenue from lower speed copper-based broadband services marketed under the CenturyLink brand. 26 Issued: May 2, 2023 16% 17% 18% Fiber Revenue Contribution to Total Broadband 18% 19% 20% 22% 28% T Includes the 20-State ILEC Business Divestiture 29% 1Q21 2Q21 3Q21 4Q21 1Q22 2Q22 3Q22 4Q22 1Q23 L Quantum FIBER

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