MC Mining implemented optimisation initiatives at the Uitkomst Colliery during the six months to December 31, which yielded very positive results, with run-of-mine (RoM) coal production increasing by 11% year-on-year, acting CEO Brenda Berlin said, releasing the company’s reviewed interim financial results on Friday. “The initiatives also led to a more predictable production profile and, notwithstanding revenue being adversely affected by the 30% decline in API4 coal prices, Uitkomst was cash generative for the period.