Lumen Results Presentation Deck

2Q23 Total Reported Revenue Expanding Revenue Contribution of Grow Products Revenue ($ in millions) 7 Enterprise Channels Large Enterprise Mid-Market Enterprise Public Sector Wholesale Total Business Total Mass Markets Total Revenue Q/Q% Change $2,100 (1.8%) $1,179 (1.3%) 2Q23 $507 (1.6%) $414 (3.7%) $797 (2.4%) $2,897 (2.0%) $764 (2.3%) $3,661 (2.1%) % Total 57.3% 32.2% 13.8% 11.3% 21.8% 79.1% 20.9% 100% Revenue ($ in millions) Grow Nurture Harvest Subtotal Other(1) Total Business (1) Other includes Equipment and IT Solutions. (2) Direct margin is defined as revenue less variable and fixed costs directly associated with the provision of services and products to customers. Direct costs would include, but are not limited to: direct labor and materials/goods, direct taxes and fees, incremental third-party costs that can be attributed to a specific customer, and certain fixed costs. 2Q23 $1,138 Q/Q% Change 0.9% % Total 39.3% $869 (4.0%) $717 (3.0%) $2,724 (1.7%) 94.0% $173 (6.0%) $2,897 (2.0%) 100% 30.0% 24.7% 6.0% Direct Margin (²) ~83% -68% -81% -78% ~22% -74% LUMEN

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