SEASPAN NEW YORK

PRESS RELEASE: Kroll Bond Rating Agency Upgrades Seaspan's Issuer Rating To BB+

Seaspan Corporation is a wholly-owned subsidiary of Atlas Corp., listed on the New York Stock Exchange (NYSE: ATCO).

A truly global operation, we employ more than 5200 people at our offices in Hong Kong, Canada, and India, as well as onboard our large fleet of vessels

Seaspan is a leading independent owner, operator and manager of containerships. We provide high-quality, modern vessels with best-in-class operations and innovative ship design.

Our board of directors sets exacting standards for our employees, informed by a guiding principle of sound corporate governance.

As a leader in the maritime industry, Seaspan recognizes that a sustainable business model must be founded on strong and consistent policies and principles to protect the global environment.

At Seaspan, we hold true to the principle of people are our greatest assets and recognize that we owe our current and future successes to the contributions of all our colleagues.

Seaspan believes that accountability, transparency and security are fundamental to protecting the long term interests of our customers, our employees, our stakeholders, and the public.