Australia's top lending bank says it plans to raise up to $A2.75 billion through a share placement.
National Australia Bank says the money will help maintain a strong capital position and help fund growth opportunities, including acquisitions.
The raising follows a $A3 billion share sale last November.
Following an institutional placement of $A2 billion, retail shareholders will be able to subscribe to a pool of $A750 million.
NAB chief executive Cameron Clyne says the money raised will fund small acquisitions and cover the rise in bad debts - it's the second time the bank has gone to the market in the past year.
The bank says it made $A900 million in the three months to June, even though it had to write off about $A1 billion in bad and doubtful debts.