Issuer Sponsored Holdings to CHESS Sponsorship Conversion Request An Issuer Sponsored Holding refers to shares that are not sponsored under CHESS with a broker, but by the company issuing the shares (for example after a float or Initial Public Offering). Issuer Sponsored Holdings to CHESS Sponsorship Conversion enables you to convert any shares you have with an Issuer Sponsored Holding to Australian Investment Exchange Ltd sponsorship. If you select to convert all or some of some of your shares then only the shares you specify and provide details for will be transferred to your HIN at Australian Investment Exchange Ltd.