ASX Limited (ASX) operates a fully integrated exchange across multiple asset classes which include equities, fixed income and derivatives. The Company provides services to a range of retail, institutional and corporate customers, directly and through intermediaries. It offers a range of services that allow its customers to invest, trade and manage risk. This includes listings, trading, post-trade services, and technical and information services. It operates infrastructure that supports the systemic stability of Australia�s financial markets. At 30 June 2012, ASX held 19.3% of the share capital in IRESS Limited (IRESS), whose principal activities consist of the provision of information, trading, order management and financial planning systems and related services to equity market participants and wealth management professionals. The Company�s subsidiaries include ASX Operations Pty Limited, ASX Compliance Pty Limited and SFE Corporation Limited.