"A range of options, for the public listing of Saudi Aramco, continues to be held under active review," the spokesman told AFP, questioned on reports that sales on international markets would follow at a later stage.
"No decision has been made and the IPO process remains on track," he said.
The sale next year of just under five per cent of Aramco forms the cornerstone of the oil-rich kingdom's reform programme to wean the economy off its reliance on oil prices.
The kingdom has since concentrated on diversification, including plans to introduce value-added tax as well as the Aramco IPO.
Oil prices have partly recovered after major producers inside and outside OPEC, including Saudi Arabia, agreed last year to cut output by 1.8 million barrels per day.
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