EXHIBIT 10.4 AMENDMENT TO RICHARDS BAY SLAG SALES AGREEMENT THIS AMENDING AGREEMENT dated May 1, 1999 is made by and between RICHARDS BAY IRON AND TITANIUM (PROPRIETARY) LIMITED, a South African corporation with offices at Richards Bay, Natal, South...Richards Bay Slag Sales Agreement • March 17th, 2000 • Nl Industries Inc • Industrial inorganic chemicals
