Information for Registered Shareholders

CST Trust Company is ATCO's transfer agent and registrar, with offices in Calgary, Montreal, Toronto, Vancouver, and Halifax.

If you require assistance with respect to any of the following, please contact CST directly:

  • dividend payments  

  • change in address or legal name

  • stock transfers

  • replacing lost share certificates

  • estate transfers

Visit the CST Trust Company website for more information.

8:30 a.m. to 6:30 p.m. ET
Monday - Friday
Toll free in North America: 1-800-387-0825
Outside of North America: 1-416-682-3860

Toll free in North America: 1-888-249-6189
Outside of North America: 1-514-985-8843

CST Trust Company
P.O Box 700
Station B 
Montreal, QC
Canada  H3B 3K3

If you are a beneficial shareholder (your shares are held by your broker in the name of the brokerage house), questions on all administrative matters should be directed to your broker.

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