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Oando Energy Resources Nigeria Limited (OER) is the upstream exploration and production subsidiary of Oando PLC headquartered at The Wings Complex on Ozumba Mbadiwe Avenue in Victoria Island, Lagos, where it manages Nigerian oil and gas assets and corporate communications; OER reports reserves and production metrics in its public materials, noting Proved plus Probable Reserves of 996.8 MMboe and FY 2024 net average production of 23,937 boepd as measured by an independent reserves evaluation, and the entity became wholly owned within the Oando group following a December 23, 2015 transaction to acquire OER minority shares, which consolidated the company’s position as a leading indigenous E&P player while keeping its Nigerian head office at the group’s Lagos address for efficient stakeholder engagement.

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