Pyongyang's state-run Korean Central News Agency introduced Mun Myong-Hak as "Minister of Coal Industry" as it was reporting on the 30th anniversary of the Pukchang Area Coal-Mining Complex in the western province of South Phyongan today.
The last time the North's coal minister was mentioned in the country's state media was a year ago, when Rim Nam-Su was in office.
The shock purge and execution of Jang Song-Thaek, the once-powerful uncle and political regent to young leader Kim Jong-Un, was sparked by his attempts to take over the North's coal export industry, South Korea's spy chief Nam Jae-Joon said last month.
The Choson Sinbo report also indirectly confirmed Kim Jong-Ha had replaced Kim Yong-Ho following Jang's downfall.
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It is not known what became of Kim Yong-Ho or Rim Nam-Su.
Last week, Pyongyang's Chosun Chungang TV introduced Kim Yong-Kwang as the new Minister of Metal Industry.
"Probably, these are all part of a government reshuffle related with Jang's purge," Chang Yong-Seok, Senior Researcher at the Institute for Peace and Unification at the Seoul National University, told AFP.
Jang was one of deputy chairmen at the NDC, currently chaired by the young leader.
Kim Jong-Ha said North Korea would move to independently produce and reprocess coal and other natural resources for exports.
"The cabinet will fulfill its function properly as a control tower of the economy," he said, adding that it was trying to regain control over projects and put them in order.
The impoverished but mineral-rich North has sought for years to bolster its crumbling economy by increasing exports of minerals, especially to China.