IBX Oppies, page-346

SHARE REGISTRY CONTACT INFORMATION share registry name BOARDROOM PTY LIMITED address LEVEL 12, 225 GEORGE STREET, SYDNEY, NSW, AUSTRALIA, 2000Telephone(02) 9290 9600
https://boardroomlimited.com.au/corp/contact-us/

Determine which Options you have- IBXO or IBXOA
IBXO requires .05 X share quantity to convert
IBXOA requires .03 X share quantity to convert.

The hosting house 'Board Room' is where you seek information to convert. They will provide a bank account and reference and request you to send evidence ( bank transfer number) that you have transferred the money, via email.
You are responsible for calculating what you will owe.