ACCRA — Seplat Energy plans to pay $1 billion in dividends over the next four to five years, Chief Executive Effiong Okon said at Africa Oil Week in Accra. He set a target of 500,000 barrels per day from its joint venture operations and said the company has paid $835 million in dividends so far. Seplat's market value reached $3.93 billion in August, up 170 per cent in a year.