CWB Financial Group

CWB reports strong financial performance as total assets surpass $17 billion

Edmonton, March 7, 2013 – Canadian Western Bank (TSX: CWB) (CWB or the Bank) today announced
strong financial performance marking the Bank’s 99th consecutive profitable quarter, a period of almost 25
years. Net income available to common shareholders of $45.5 million increased 10% compared to the same
quarter last year while adjusted cash earnings per common share reached $0.58, up 2%. Total revenues (teb)
of $137.1 million represented a 9% increase over a year earlier reflecting the positive impact of solid loan
growth and 19% ($3.6 million) higher other income, partially offset by an 11 basis point lower net interest
margin (teb).

Compared to last quarter, net income available to common shareholders was 6% higher reflecting strong
growth in other income, slightly higher net interest income (teb) and stable non-interest expenses. Adjusted
cash earnings per common share increased 4%. Read the release in full.

For further information contact:

Matt Evans, CFA
Senior Manager, Investor Relations
Canadian Western Bank
Phone: (780) 969-8337
E-mail: matt.evans@cwbank.com