Common Shares trade as ECA on both the Toronto Stock Exchange and the New York Stock Exchange. To obtain historical share price information for Alberta Energy Company Ltd. or PanCanadian Energy Corporation please contact Investor Relations at investor.relations@encana.com or by calling 403-645-3550.

Ticker Symbol
Toronto Stock Exchange: ECA
New York Stock Exchange: ECA

Stock Splits and Rights Offering
EnCana Corporation
Two-for-one split — May 12, 2005

April 2002 — creation of EnCana
Former PanCanadian Energy holders: one for one share exchange
Former Alberta Energy Co. Ltd. holders: share exchange of 1.472 (i.e. 100 AEC shares = 147 EnCana shares)
View the Joint Information Circular dated February 22, 2002

PanCanadian Corporation
Two for one in May 1997
Four for one in March 1983

Alberta Energy Company Ltd.
Stock split 3-for-1 in April 1980
Rights offering — holders of AEC common shares were issued rights certificates to purchase additional shares at $11.50 plus 6 rights for each share. Offer open from November 28, 1986 to December 19, 1986.

First offered to the public in December 1975 at $10.00 Canadian a share.