Cyxtera Investor Presentation Deck

2)...is Long-Tenured... Customer 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Top 20 customers Cyxtera Primary vertical Communications, Media, Services Cloud & IT Services Banking & Securities Cloud & IT Services Cloud & IT Services Cloud & IT Services Cloud & IT Services Cloud & IT Services Cloud & IT Services Media & Content Cloud & IT Services Banking & Securities Media & Content Cloud & IT Services Cloud & IT Services Cloud & IT Services Banking & Securities Cloud & IT Services Cloud & IT Services Network Service Providers Note: Data as of 12/31/2022 (1) Cyxtera assets were carved out of Lumen in 2017. Customer Since (3) 2017 2006 2008 2000 2004 2020 2009 2001 2008 2016 2018 2003 2022 2016 2015 2010 2006 2000 2005 2003 CONFIDENTIAL Contracted Years 8 22 16 27 23 5 14 24 10 9 15 24 4 7 11 15 17 24 21 27 (16 Count of DC 37 10 9 8 3 4 3 7 3 1 3 2 1 1 1 N 100 2 5 6 4 24 % of MRR 7.6% 5.2% 4.7% 2.7% 2.2% 1.7% 1.6% 1.5% 1.5% 1.4% 1.3% 1.2% 1.1% 1.0% 0.9% 0.9% 0.8% 0.8% 0.8% 0.7% (39.6% N

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