SINGAPORE Post (SingPost) has tapped PricewaterhouseCoopers (PwC) as the special auditor for a probe into the postal and e-commerce group's corporate governance, it said in a Singapore Exchange filing on Tuesday after the market closed. The corporate governance issues that PwC will investigate surround the interest of a SingPost director, Keith Tay Ah Kee, in the group's acquisition of stakes in three companies: Famous Holdings, FS Mackenzie and Famous Pacific Shipping (NZ), it noted. SingPost added that PwC would specifically review whether SingPost's constitution, internal policies and procedures - including those related to evaluation and approval of M&A transactions and conflicts of interest - and legal obligations were complied with in connection with the three acquisitions. "In selecting the special auditor, the company worked to identify an established and reputable audit firm which could act professionally and objectively.