2021 Financial Guidance

PF 1. 2. NYSE: ATCO Key Investment Attributes 1) Resilient and differentiated business model ☐ ☐ $11.0 billion PE,1,2 long-term gross contracted cash flows Scalable multi-platform Fully integrated solutions 2) Five Key Core Competencies ☐ ■ Consistent operational excellence Creative customer partnerships ☐ Solid financial strength ☐ Quality growth ☐ Disciplined capital allocation 3) Quality Growth ■ Diversification of customers Enhancing fleet composition ☐ Quality assets with long-term charters A As of December 31, 2020; pro-forma for newbuild containership orders for 31 vessels announced on December 7, 2020, February 8 and 12, 2021, and March 4 and 8, 2021, and two secondhand vessel acquisitions announced on March 2, 2021 Gross contracted cash flow includes $4.2 billion of lease payments receivable from operating leases, $0.9 billion of minimum lease receivable from finance leases, as well as $5.9 billion lease payments to be received from undelivered vessels Includes cash flows expected from signed charter agreements on undelivered vessels, excluding purchase options, extension options, higher charter rate options and profit-sharing components 33 33 A

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