T-Mobile Investor Day Presentation Deck

POSITIONED TO MAINTAIN 5G LEADERSHIP FOR THE 5G ERA Current Mid-Band Holdings after Clearance, 2024+ Incremental C-Band Spectrum Costs Deployment Clearing Auction $10.5B $9.3B ? $27.4B $23.4B ? AT&T $52.7B $45.3B T Mobile verizon T-Mobile maintained mid-band leadership despite competition spending $80B, with potentially tens of billions more needed for deployment to create competitive coverage $75B $50B $25B 292 27 265 C-Band/CBRS 2.5 GHz and below 171 79 92 244 AT&T 174 70 T Mobile verizon T-Mobile has ~3x to 4x more sub-2.5GHz mid-band spectrum providing superior performance, propagation, and cost efficiencies 10

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