FRN Variable Rate Fix

LONDON--(BUSINESS WIRE)--

COMMONWEALTH BANK OF AUSTRALIA

Issue of GBP 150,000,000 Floating Rate Notes due

2013 Series 5203 Tranche 1 MTN

ISSUE NAME.

Our Ref. MF1503

ISIN Code. XS0752854777

INTEREST AMT PER DENOM.

CURRENCY CODE. GBP

DAY BASIS. ACTUAL/365 FIXED (A005)

NUM OF DAYS. 31

INTEREST RATE. 0.64313 PCT

VALUE DATE. 04/02/2013

INTEREST PERIOD. 04/01/2013 TO 04/02/2013

GBP 100,000.00 IS GBP 54.62

POOL FACTOR. N/A