ASB Bank is in advanced talks with Pyne Gould Corp to sell its subsidiary, Aegis, a provider of portfolio administration and reporting services.Aegis is a leading WRAP platform in New Zealand and has funds under administration of over NZ$5 billion.  The service is available only to select New Zealand financial advisers and is not offered directly to investors.PGC plans to buy Aegis through its subsidiary Perpetual Group, which is already a customer of Aegis.PGC aspires to become a bank after recently announcing a merger plan with two building societies.Aegis' total assets stood at NZ$8.9 billion on 30 June 2009. ASB, the sole owner of the company, had total equity of NZ$6.8 million in the company as of that date.