Soname is a Nigerian gaming tycoon and chairman of Bet9ja.
Motsepe is a member of the WEF Board of Trustees.
Duale said the awards highlight the company's socioeconomic development work.
Its total investment in the country is now $148.4 million.
Oppenheimer's net worth is estimated to be $8.55 billion as of press time.
The refinery project is still on track to be completed by 2023.
Motsepe's net worth has risen to $3.1 billion so far this year.
With the acquisition, the Cairo-based energy company plans to expand its portfolio in Africa and the Middle East.
The sale would generate millions of dollars' worth of value for Phembani and other entities.
Richemont sales reached an all-time high of €19.2 billion in 2022.