Ann: Trading Halt, page-60

Those noteholders of 100 million have agreed to give hair cut between 50 per cent to 70 per cent from the face value, and agreed to convert the remaining convertible notes to shares plus certain percentage of royalty from the iron ore production in the future. Based on this agreement, those noteholders will become the controlling shareholders (68 per cent) of SDL.

So the maturity of those note holders in Sep 2019 is no longer applicable.