ABOUT US CSR OF OSAKA GAS GROUP RESEARCH & DEVELOPMENT PURCHASING INFO Research Institute for Culture, Energy and Life MEDIA RELEASES BUSINESS REPORTS INVESTORS RELATIONS SERVICE ENQUIRIES GAS SAFETY

December 22, 2009 Osaka Gas in agreement to purchase LNG from Papua New Guinea November 30, 2009 Acquisition of exploration interest in a coal bed methane (CBM) block in Indonesia November 13, 2009 Capital increase in Senboku Natural Gas Power Generation Co., Ltd. and equity participation by Qalhat LNG October 1, 2009 Osaka Gas, Marubeni and APA to participate in AGL development of Hallett 4 wind farm project, South Australia

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