July 20 (Reuters) - Cardinal Energy Ltd (Alberta) CJ.TO :
* CARDINAL ENERGY LTD. ANNOUNCES EXTENSION OF EXCHANGE RIGHT
* CARDINAL ENERGY-TO EXTEND PERIOD OF TIME THAT DEBENTURES CAN BE EXCHANGED FROM 5:00 P.M. (ET) ON JULY 20 TO 5:00 P.M. (ET) ON TUESDAY, AUGUST 4, 2020