National Australia Bank (NAB) expects credit impairment costs in the first half to reach A$706m ($503m), about double previous levels, with the Iran war adding pressure to the global economy and financial markets. The lender said it had updated its settings as of 31 March 2026. These included a rise in forward-looking collective provisions, as well as the planned use of a discount and partial underwriting for the 1H26 dividend reinvestment plan. NAB also revised the Group’s software capitalisation polic ...