CWB Financial Group

CWB reports strong earnings and record quarterly revenues

Edmonton, March 7, 2012 – Canadian Western Bank (TSX: CWB)(CWB or the Bank) today announced
strong financial performance marking the Bank’s 95th consecutive profitable quarter. Net income available
to common shareholders of $41.5 million increased 10% compared to the same quarter last year, while
adjusted cash earnings per common share of $0.57 was up 4%. Record total revenues (teb) of $126.3
million represented a 4% increase over the same quarter last year as the positive impact of very strong
loan growth was partially offset by a 30 basis point reduction in net interest margin (teb) and 7% lower
other income.

Compared to the previous quarter, net income available to common shareholders increased 15%, while
adjusted cash earnings per common share was up 8%. Total revenues (teb) grew 6% as positive
contributions from significantly higher other income and 4% quarterly loan growth offset the impact of a 10
basis point reduction in net interest margin (teb). Read the release in full.