On December 15, 2015, the Company announced that it would simplify its management structure in-line with the ongoing drive to promote a performance-driven culture, empowering the segments to deliver optimum business results. As a result the GMB, which was established to ensure a smooth integration following the creation of ArcelorMittal, was replaced, effective January 1, 2016, with a more flexible structure. As of December 31, 2018, ArcelorMittal’s senior management is comprised of the CEO Office supported by five other Executive Officers. ArcelorMittal’s CEO Office is comprised of the Chief Executive Officer (“CEO”), Mr. Lakshmi N. Mittal, and the President and Chief Financial Officer (“CFO”), Mr. Aditya Mittal. Together, the Executive Officers are responsible for the implementation of the Company strategy, overall management of the business and all operational decisions.