National Australia Bank chief executive Cameron Clyne earned $5.3 million in the year to September.

Westpac chief executive Gail Kelly took home $8.68 million in remuneration in fiscal 2011.

ANZ Banking Group chief executive Mike Smith was paid just over $5 million last financial year, down nine per cent on the previous year.

The Commonwealth Bank says funding costs could rise as a result of economic uncertainty in Europe.

ANZ's weak revenue growth, particularly at its Asian and financial markets businesses, disappointed investors, even as the bank reported a record profit.