<p style="text-align:justify;" size="0" _root="undefined" __ownerid="undefined" __hash="undefined" __altered="false">Saudi-based oil and gas driller ADES Holding Company plans to invest $66 million (SAR 247.5 million) in two Egyptian General Petroleum Corporation (EGPC) companies to boost brownfield oil production in the North African country, a bourse filing showed Wednesday</p>