Group Managing Director of the Nigerian National Petroleum Corporation (NBPC), Mallam Mele Kyari (3rd from right), with the President of the Petroleum and Natural Gas Senior Staff Association of Nigeria (PENGASSAN), Comrade Victor Usifo (2nd from right); Deputy National President of PENGASSAN, Comrade Matthew Duru (right); and President of the Nigerian Union of Petroleum and Natural Gas Workers (NUPENG), Comrade Williams Akporehe, after a Downstream Stakeholders’ Meeting at the NNPC Towers… Thursday.