Read the full judgment on Saflii In February 2018, eight companies in the Oakbay Group were placed in voluntary business rescue after the four major South African banks decided to terminate their banking facilities, rendering them commercially insolvent.[1] Among the companies were the first respondent, Tegeta Exploration and Resources (Pty) Ltd (Tegeta), and its three wholly-owned subsidiaries, Optimum Coal Mine (Pty) Ltd (OCM), Koornfontein Mines (Pty) Ltd (Koornfontein) and Optimum Coal .