Aug 14 (Reuters) - Encana Corp ECA.TO :
* ENCANA ANNOUNCES AMENDMENT TO ITS SUBSTANTIAL ISSUER BID
* ENCANA - AMENDED OFFER TO BUY FOR CANCELLATION UP TO $213 MILLION SHARES TO VARY PRICE RANGE AT WHICH SHARES MAY BE TENDERED TO OFFER
* ENCANA CORP - AMENDED PRICE RANGE VARIES ORIGINAL PRICE RANGE OF NOT LESS THAN $4.70 AND NOT MORE THAN US$5.40 PER SHARE
* ENCANA - ON EXPIRY OF OFFER, WILL DETERMINE LOWEST PURCHASE PRICE ALOOWING TO BUY MAXIMUM SHARES FOR AGGREGATE PURCHASE PRICE NOT EXCEEDING $213 MILLION