CWB Financial Group

CWB reports record quarterly revenue on very strong loan growth

Edmonton, June 7, 2012 – Canadian Western Bank (TSX: CWB) (CWB or the Bank) today announced
strong financial performance marking the Bank’s 96th consecutive profitable quarter, a period spanning 24
years. Net income available to common shareholders of $39.7 million increased 7% compared to the same
quarter last year while adjusted cash earnings per common share was unchanged at $0.55. Record total
revenues (teb) of $127.9 million represented a 7% increase over the same quarter last year as the positive
impact of very strong loan growth was partially offset by a 21 basis point reduction in net interest margin
(teb).

Compared to last quarter, net income available to common shareholders decreased 4% ($1.8 million) as
positive contributions from very strong loan growth, a four basis point improvement in net interest margin
(teb) and increased other income were more than offset by the impact of higher non-interest expenses and
two fewer revenue earning days. Adjusted cash earnings per common share also decreased 4% compared
to the prior quarter.

Year-to-date net income available to common shareholders of $81.1 million increased 8% compared to the
same period last year as the positive impact of very strong loan growth was partially offset by a 25 basis
point reduction in net interest margin (teb). Adjusted cash earnings per common share of $1.12 compares
to $1.10 earned through the same year-to-date period in 2011. Read the release in full.