ATCO Announces Release Date for Third Quarter 2018 Results and Conference Call

Press Release

CALGARY, Alberta, Oct. 05, 2018 — ATCO Ltd. (TSX: ACO.X, ACO.Y)

ATCO Ltd. (ATCO) will release its financial results for the quarter ended September 30, 2018 on Thursday, October 25, 2018. The news release will be distributed via www.globenewswire.com and the results, including Financial Statements and Management’s Discussion & Analysis, will be posted on www.ATCO.com.

ATCO will hold a live teleconference and webcast to discuss our third quarter 2018 financial results. Dennis DeChamplain, Senior Vice President & Chief Financial Officer, will discuss third quarter 2018 financial results and recent developments at 9:30 am Mountain Time (11:30 am Eastern Time) on Thursday, October 25, 2018 at 1-800-319-4610. No pass code is required. Opening remarks will be followed by a question and answer period with investment analysts. Participants are asked to please dial-in 10 minutes prior to the start of the call and request to join the ATCO teleconference.

Management invites interested parties to listen via live webcast at: http://www.atco.com/Investors/Events-and-Presentations/

A replay of the teleconference will be available approximately two hours after the conclusion of the call until November 25, 2018. Please call 1-800-319-6413 and enter pass code 2640#. An archive of the webcast will be available on October 25, 2018 and a transcript of the call will be posted on http://www.atco.com/Investors/Events-and-Presentations/ within a few business days.

With approximately 7,000 employees and assets of $22 billion, ATCO is a diversified global holding corporation with investments in Structures & Logistics (workforce housing, innovative modular facilities, construction, site support services, and logistics and operations management); Energy Infrastructure (electricity generation, transmission, and distribution; natural gas transmission, distribution and infrastructure development; energy storage and industrial water solutions; and electricity and natural gas retail sales); Transportation (ports and transportation logistics); and Commercial Real Estate. More information can be found at www.ATCO.com.

Media & Investor Inquiries:

D.A. (Dennis) DeChamplain
Senior Vice President &
Chief Financial Officer
403-292-7502

IBF4