Lumen Investor Presentation Deck

1Q22 Enterprise Channel Revenue Enterprise Channel 1Q Revenue Mix 75.7% 24 24.3% Revenue ($ in millions) Issued: May 4, 2022 1Q20 International and GAM Large Enterprise Mid-Market Enterprise Total Enterprise Channels 77.3% 22.7% 1Q21 (1) ■Core products 1Q22 79.1% $999 $877 $636 $2,512 20.9% Voice & Other 1Q22 Yo Y% Change (2.1%) (8.0%) (8.2%) (5.8%) QoQ% Change (2.5%) (5.8%) (1.7%) (3.5%) Voice & Other Exposure Declining (1) Core products include Compute and Application Services, IP and Data Services, and Fiber Infrastructure Services product categories. LUMENⓇ

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