Cyxtera Investor Presentation Deck

Attractive Financial Profile With Considerable Upside Total Revenue (SMM) Growth: ΝΑ $679 $99 $580 2019A Core Churn (Churn % Avg. ΝΑ Core MRR): (SMM) $270 $193 2019A 1.7% $691 $95 $595 Cyxtera 2020A 0.95% Transaction Adjusted EBITDAⓇ) $288 $216 2020A Core(¹) Revenue Growth Rate Lumen 1.9% $704 $65 $639 2021A 0.79% (3) $286 $224 2021A Core! 6.0% $746 $59 $687 2022A 0.78% Transaction Adj. EBITDA $300 $239 2022A -6% 2022-2027E 4.0% $776 $46 $730 2023E 0.83% L__I Transaction Adj. EBITDAR $305 $246 CONFIDENTIAL 2023E 3.1% $800 $39 $761 2024E 0.65% $334 $279 2024E 7.0% $855 $816 2025E 0.65% $380 $324 2025E Transaction Adj. EBITDA Growth Rate 5.9% $906 $39 $867 2026E 0.65% $421 $364 2026E -10% 2022-2027E 4.5% $947 $908 2027E 0.65% $446 $387 2027E Focus on existing customers for revenue growth by increasing escalators and pricing at renewal in line with current industry dynamics Commentary Leverage Large, Contiguous Space strategy to drive occupancy increases and growth at underutilized facilities EBITDA increases to be achieved as occupancy gains and price increases are realized Run-Rate Margin Note: Incorporates -S8MM of public company cost savings starting in Q4'23E. (1) Core revenue excludes Lumen as a customer 2023E projections contemplate the impact of the Bankruptcy case, subject to further diligence and potential material revision. See GAAP to non-GAAP reconciliation of historical periods and definition of non-GAAP measures in Appendix Forward-looking reconciliations of non-GAAP measures are not provided -41% 2027E Transaction Adj. EBITDA margin 20

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