Commonwealth Bank of Australia (ASX:CBA) issued subordinated securities due on Sept. 12, 2035, totaling AU$1.5 billion as part of its debt issuance program, according to a Thursday filing with the Australian bourse.

The offering consists of AU$400 million in subordinated fixed-to-floating rate securities and AU$1.1 billion in subordinated floating rate securities, the filing said.

The securities potentially exchange into fully paid ordinary shares if a non-viability trigger event occurs, per the filing.