Platinum group metals (PGM) company Implats, which generated free cash flow of R28.8-billion in the 12 months to June 30, said on Thursday that it had allocated R4.3-billion over the next five years to energy security and decarbonisation. Gross profit totalled R41.3-billion at a gross margin of 35% with earnings before interest tax depreciation and amortisation (Ebitda) of R53.4bn at an Ebitda margin of 45%.