Lumen Results Presentation Deck

2Q23 Year-Over-Year Total Reported Revenue Bridge -72% of Decline Due to Post-Closing Commercial Agreements and Divestitures 6 $4,612 2Q22 Reported -72% $27 (2) -$707 Post-Closing Commercial Agreements/ Divestitures -$271 Other Declines ($ in millions) (1) $3,661 2Q23 Reported ($ in millions) Business Mass Markets Total Y/Y Change $2,897 (15.2%) 2Q23 $764 $3,661 (36.1%) (20.6%) (1) The Company believes that these figures will allow analysts and investors to understand (i) the amounts associated with the divestitures and the impact that it had on the Company's revenue generating activities in the second quarter of 2022 in relation to the Company's past, but not current or future, financial performance and (ii) the impact that the post-closing agreements have had on the Company's activities in the second quarter of 2023 and its current financial performance. (2) Calculated by combining the impacts from Post-Closing Commercial Agreements and Divestitures and showing them as a percent of the total dollar change from 2Q22 Reported Revenue to 2Q23 Reported Revenue. LUMEN

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