ArcelorMittal Temirtau Chief Executive Frank Pannier said last month the expansion project would cost $4 billion while an additional $1.3 billion was earmarked for improving safety at the facilities.

ArcelorMittal <MT.N>, the world's largest steelmaker, on Friday cut the 2008 output forecast for its Kazakh plant to 3.8 million tonnes from 4.6 million tonnes due to power cuts in July.