The extension of time did not come with an increase Shell’s bid price of £2.20, under the revised PTTEP bid £2.40 which Cove directors changed their position to recommend in May.

The PTTEP bid, which valued the company at $1.9 billion, also last month received approval from the Mozambican government.

Shell offered few clues of its future plans in an announcement to the London Stock Exchange, saying that it had received valid acceptances of shares worth 4.84%