Aug 16 (Reuters) - Canadian Western Bank CWB.TO
* Canadian Western Trust Company to exit exempt market securities business line
* Canadian Western Bank - earnings contributions from the business line are not material on a consolidated basis for CWB
* Canadian Western Bank - CWT entered into a definitive agreement to appoint computershare trust company of Canada as successor trustee for clients
* Canadian Western Bank-CWT & a member of CWB Financial Group will no longer offer self-directed account services to holders of exempt market securities