May 4 (Reuters) - National Australia Bank Ltd NAB.AX :
* NAB SHARE PURCHASE PLAN OFFER OPENS
* TARGETING TO RAISE ABOUT A$500 MILLION UNDER SPP
May 4 (Reuters) - National Australia Bank Ltd NAB.AX :
* NAB SHARE PURCHASE PLAN OFFER OPENS
* TARGETING TO RAISE ABOUT A$500 MILLION UNDER SPP