JX Holdings, Inc. that Yasushi Kimura, 64, president of JX Nippon Oil & Energy Corporation will replace Shinji Nishio, 71, as chairman of the holding company in late June. JX Holdings Director Isao Matsushita, 65, will succeed Mitsunori Takahagi, 71, as president of the holding company of oil development, refinery and wholesale operations. JX Nippon Oil Senior Vice President Seiichi Isshiki will take up the company's presidency in place of Kimura. Nishio and Takahagi will become executive consultants of the holding company. Kimura joined Nippon Oil in 1970 and took up the JX Nippon Oil presidency in July 2010. Matsushita was named president of Japan Energy Corp. in 2006 and director of JX Holdings in July 2010. Isshiki was appointed as senior vice president of JX Nippon Oil in April 2011.