Jan 29 (Reuters) - Westpac Banking Corp WBC.AX :
* WESTPAC IS CONSIDERING ISSUING NEW AT1 CAPITAL SECURITIES-WBC.AX
* IS CONSIDERING OFFER OF AUD ADDITIONAL TIER 1 CAPITAL SECURITIES THAT ARE EXPECTED TO BE LISTED ON ASX
* CBA, JP MORGAN, MORGANS, NAB, UBS AND WESTPAC INSTITUTIONAL BANK HAVE BEEN MANDATED TO SUPPORT ANY OFFER