The office complex, which cost more than R2bn to build, will house about 5,000 client-facing employees and is expected to create economic spin-offs in Rosebank, Johannesburg.

Standard Bank has the key to winning control of Grayprop, the blue-chip property unit trust (PUT) - not through the 24% share in Grayprop's management company (manco),but via the pre-emptive right to buy Allan Gray's 76%, which has so far gone unnoticed.