Lumen Investor Presentation Deck

1Q23 Mass Markets Broadband Metrics Fiber Builds Accelerate in 1Q23 As Quantum Ramps Up Fiber(1) Enabled Locations Subscribers Other (1) Enabled Locations Subscribers 1Q23 3.3M 856K 1Q23 18.5M 2.1M Y/Y Change (2) 595K 96K Y/Y Change (2) Q/Q Change (372K) 120K 24K Q/Q Change (469K) (288K) (80K) (1) For more information on how we calculate enabled locations and subscribers, see our accompanying earnings release. (2) Prior year amounts have been adjusted to remove the impacts of the 20-state ILEC business divestiture completed October 3, 2022, which included (i) fiber broadband subscribers of 70 thousand, (ii) other broadband subscribers of 1,140 thousand, (iii) fiber broadband enabled units of 0.3 million and (iv) other broadband enabled units of 7.0 million. The Company believes that this information will allow analysts and investors to understand the operating metrics associated with the divestiture of the 20-state ILEC business to understand the impact they had in relation to historical performance which will not recur. 20 Issued: May 2, 2023 ~$60 Fiber ARPU -120K Fiber Enabled Locations Adds Q/Q > +60 Fiber NPS Quantum FIBER

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