Cyxtera Investor Presentation Deck

N ...With Low Churn and Stable Revenue Growth YOY% Growth Core Revenue (SMM) $162.5 Cyxtera Q4'21 7.7% $165.9 Q1'22 6.2% $168.8 Q2:22 5.9% $172.8 10.9% YoY growth in Core Revenue Q3'22 7.3% $179.6 04/22 10.5% Q1'23 Core Revenue of $184.0M (vs. $165.9M prior year) Note: Figures exclude Revenue and Churn associated with Lumen as a customer. (1) SIN1 facility was shut down in late 2022. $184.0 Q1'23 CONFIDENTIAL 10.9% Core Churn (Monthly Core Churn % of Average Core MRR) 0.6% Q4'21 1.0% Q1'22 0.7% Q2'22 0.8% Q3:22 0.6% Q4'22 0.8% Q1'23 Q3'22: Normalized for SIN1 facility, Core Churn would be 0.7% (¹) Minimal exposure to SMB segment provides stable performance 13

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