Westpac Banking Corporation 2015 Interim Financial Result Snapshot All data as at 31 March 2015 unless otherwise stated. All amounts are in Australian dollars. % Mov’t % Mov’t Financial Results 1H15 2H14 1H14 1H15 – 2H14 1H15 – 1H14 Net profit after tax $3,609m $3,939m $3,622m (8) - Net operating income $9,997m $10,147m $9,790m (1) 2 Net interest margin 2.06% 2.09% 2.09% (3bps) (3bps) Expense to income ratio 44.1% 42.9% 42.8% 122bps 126bps Return on average ordinary equity 15.1% 16.7% 15.8% (160bps) (72bps) Impairment charges to average loans annualised 11bps 11bps 12bps - (1bp) Total impaired assets to gross loans 35bps 40bps 51bps (5bps) (16bps) Focus on Australia & New Zealand Australian retail banking and wealth Consistent financial performance largest contributors to Group NPAT Revenue by geography at FY14 (%) Reported NPAT ($m) NPAT by division1 (%) 3,939 2 3,464 3,622 3,609 Westpac Retail & Business Australia 3,287 12 3 11 BankingSt .George Banking Group New Zealand 37 17 BT Financial Group Other Westpac Institutional Bank 85 12 Westpac New Zealand 21 Westpac Pacific 1H13 2H13 1H14 2H14 1H15 Balance sheet ($bn) Asset quality a highlight Australian mortgages performing well Total impaired assets to gross loans (%) 90+ days delinquencies (%) Total assets 796 0.8 0.95 0.92 0.81 0.85 0.47 Loans 605 0.6 0.67 0.4 Total housing loans Australia 363 0.40 0.35 0.2 Deposits and other borrowings 467 0.0 Equity 50 Sep-08 Mar-09 Sep-09 Mar-10 Sep-10 Mar-11 Sep-11 Mar-12 Sep-12 Mar-13 Sep-13 Mar-14 Sep-14 Mar-15 FY09 FY10 FY11 FY12 FY13 FY14 1H15 Capital, funding and liquidity ratios (*APRA Basel III basis) 1H15 2H14 Common equity tier 1 capital ratio* 8.8% 9.0% Additional tier 1 capital* 1.5% 1.6% Tier 1 capital ratio* 10.3% 10.6% Tier 2 capital* 1.8% 1.7% Total regulatory capital ratio* 12.1% 12.3% Risk weighted assets* $347bn $331bn Stable Funding Ratio2 83% 83% Liquidity Coverage Ratio3 114% 103% Sound funding profile Funding composition4 (%) Customer deposits 17 Equity5 15 60 Securitisation 7 Wholesale funding >1yr 2 Wholesale funding <1yr Notes. 1 Excludes Group Businesses. 2 Stable Funding Ratio calculated on the basis of customer deposits plus wholesale funding with residual maturity greater than 12 months plus equity plus securitisation, as a proportion of total funding. 3 Liquidity Coverage Ratio (LCR) calculated on a spot basis, including the Committed Liquidity Facility approved by APRA of $66 billion for calendar year 2015. LCR for 2H14 calculated on a pro forma basis as at 30 September 2014. 4 Chart adds to 101% due to rounding. 5 Equity excludes FX translation, Available for Sale Securities and Cash Flow Hedging Reserve. 1 | Westpac Banking Corporation www.westpac.com.au/investorcentre or Bloomberg WBCT

Westpac Banking Corporation Australia’s First Bank Unique portfolio of brands About Westpac • Westpac is one of the four major banking organisations in Australia and one of the largest banking organisations in New Zealand • Founded in 1817, Westpac was the first bank established in Australia. Today, Westpac is Australia’s 2nd largest bank with a market capitalisation of A$123 billion and total assets of A$796 billion as at 31 March 2015 • Westpac is focused on its core markets of Australia and New Zealand, providing a comprehensive range of financial products and services including consumer, business and institutional banking and wealth management services • With a strong position in our home markets, and around 13 million customers, Westpac focuses on organic growth, growing customer numbers in our chosen segments and building stronger and deeper customer relationships • A key element of Westpac’s approach is our portfolio of financial services brands, which enables us to appeal to a broader range of customers, and provides us with the strategic flexibility to offer solutions that better meet individual customer needs • Westpac has also maintained the strength of its financial position, lifting the level and quality of our capital, improving our funding and liquidity position and maintaining a high level of asset quality and provisioning • Westpac is currently one of the most efficient banks globally, as measured by a cost to income ratio Notes Credit Ratings Fitch Ratings AA- / Stable / F1+ Moody’s Investors Service Aa2 / Stable / P-1 Standard and Poor’s AA- / Stable / A-1+ A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time Wholesale funding capabilities • Include Prime floaters, Federal Funds, Short term Extendibles, Step-ups, Range accruals, CDs, markets CP and Flippers • Senior unsecured, securitisation and covered bond format, as well as subordinated debt Term • Only Australian major bank to be SEC markets registered • Westpac also maintains its ability to issue in US 144A format Issuance • Include AUD, CAD, CHF, CNH, EUR, GBP, currencies HKD, JPY, NOK, NZD, SGD, TRY and USD Disclaimer The material contained in this presentation is intended to be general background information on Westpac Banking Corporation (“Westpac”) and its activities. The information is supplied in summary form and is therefore not necessarily complete and is qualified in its entirety by Westpac’s most recent U.S. full-year and half-year reports available at http://www.sec.gov. It is not intended that it be relied upon as advice to investors or potential investors, who should consider seeking independent professional advice depending upon their specific investment objectives, financial situation or particular needs. The material contained in this presentation may include information derived from publicly available sources that have not been independently verified. No representation or warranty is made as to the accuracy, completeness or reliability of the information. All amounts are in Australian dollars unless otherwise indicated. Westpac has filed a registration statement (including a prospectus) with the U.S. Securities and Exchange Commission (SEC) for the offering from time to time of its securities. Before you invest, you should read the prospectus in that registration statement and other documents Westpac has filed with the SEC for more complete information about Westpac and any offering of such securities. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, Westpac will arrange to send you the prospectus if you request it by calling +1 212 551 1800. Contact us: Westpac Global Funding globalfunding@westpac.com.au or +612 8204 2777 2 | Westpac Banking Corporation www.westpac.com.au/investorcentre or Bloomberg WBCT