On the web
Ethics Helpline information page
By telephone
Toll-free in Canada and the US: 1-855-374-3801
Toll-free in Australia: 1-800-405-308
Callers may remain anonymous if they choose.
By mail
TransAlta
Attn: Chair of the Audit, Finance, and Risk Committee Subject Matter
003 Box 1900
Station M
Calgary, AB T2P 2M1