Sept 23 (Reuters) - Petromaroc Corporation Plc PMA.V :
* Long stop date for completion of acquisition has been extended to December 31, 2016
* Renegotiated terms of Sidi Moktar sale and purchase agreement
* Proceeds from sale of 21.3 million new sound energy ordinary shares to be issued to Petromaroc will be shared by co and Sound Energy Source text for Eikon: ID:nCCN2LHvgM Further company coverage: PMA.V