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African Wealth Briefing — Sat., April 18, 2026

Arthur Eze's Oranto sells 75 percent of São Tomé Block 3 to Petrobras, Glencore and Motsepe's ARM overturn a SARS diesel refund ruling, and Dangote commits N500 billion to close Nigeria's 1.2 million-tonne sugar import gap.

African Wealth Briefing — Sat., April 18, 2026

Table of Contents

Good evening from Billionaires.Africa.

Here is a brief on what we published yesterday.

Nigerian billionaire Arthur Eze's Oranto Petroleum has sold a 75 percent stake in São Tomé and Príncipe's Block 3 to Petrobras — bringing Brazil's state oil giant into the Gulf of Guinea in what is one of the most significant upstream transactions in the region this year. Eze, who has built one of the largest privately held exploration portfolios in Africa through Oranto and its subsidiary Atlas Petroleum, retains a minority position while handing operational control to a company with deepwater expertise that few African independents can match.

In South Africa, Glencore and Patrice Motsepe's ARM overturned a SARS diesel refund ruling on appeal — a decision with implications for the broader mining sector's fuel cost recovery at a moment when the April 1 fuel shock is still working through the economy.

And Aliko Dangote is committing N500 billion to sugar production as Nigeria pushes to close a 1.2 million-tonne annual import gap. The investment extends the Dangote Group's import substitution playbook — cement, then refining, now sugar — into one of the country's most stubborn trade deficits.

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Arthur Eze's Oranto sells 75% stake in São Tomé Block 3 to Petrobras The deal brings Petrobras into the Gulf of Guinea and validates the exploration work Oranto has done across the block. Eze's Oranto and Atlas Petroleum hold exploration licences across multiple African countries and have been among the most active indigenous operators in frontier basins.

Glencore and Motsepe's ARM overturn SARS diesel refund ruling on appeal The appeal court ruled in favour of the mining companies on diesel refund claims that SARS had previously denied. The decision has sector-wide implications for how mining operations recover fuel costs — particularly relevant after April's record fuel price hike.

Dangote bets N500 billion on sugar as Nigeria targets 1.2 million-tonne import gap Nigeria imports roughly 1.2 million tonnes of sugar annually. Dangote's N500 billion commitment continues the group's strategy of replacing imports with domestic production — the same logic that built the cement empire and the refinery.

This week's Wealth Intelligence brief and Investor Memo are available for Elite subscribers:

Wealth Intelligence: Rabiu — The Best Quarter in Nigerian Industrial History

Investor Memo: The $50 Billion Test — Inside Africa's First Serious Cross-Border IPO

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