Hi dalusha
IBR are still listed for now and you can still sell them at the current market bid price if you wish
Otherwise contact Computershare Investor Services Pty Ltd
Level 2, Reserve Bank Building
45 St George’s Terrace
Perth WA 6000 Australia
Telephone: 1300 557 010
International: (61 8) 9323 2000
Facsimile: (61 8) 9323 2033