Precision Drilling Corporation Second Quarter 2004 Earnings Conference Call and Webcast CALGARY, July 13 /PRNewswire-FirstCall/ -- Precision Drilling Corporation ("Precision") intends to release its Second Quarter 2004 results at approximately 5:00 a.m. MST (7:00 a.m. EST) on Thursday, July 29, 2004 and has scheduled a conference call and webcast to begin promptly at 12:00 Noon MST (2:00 p.m. EST) on the same day. Thursday, July 29, 2004 at 12:00 Noon MST (2:00 p.m. EST) Conference call dial in number is 1-800-814-4853 A live webcast of the conference call will be accessible on Precision's website at http://www.precisiondrilling.com/ by selecting "Investor Relations" then "Webcast". An archived recording of the conference call will be available approximately one hour after the completion of the call until August 5, 2004 by dialing 1-877-289-8525, passcode 21057180 followed by the number sign. Precision Drilling Corporation (TSX: PD and PD.U; NYSE: PDS) is a global oilfield services company providing a broad range of drilling, production and evaluation services with focus on fulfilling customer needs through fit-for-purpose technologies for the maturing oilfields of the 21st century. With corporate offices in Calgary, Alberta, Canada and Houston, Texas, and research facilities in the U.S. and Europe, Precision employs more than 10,000 people conducting operations in more than 30 countries. Precision is committed to providing efficient and safe services to create value for our customers, our shareholders and our employees. DATASOURCE: Precision Drilling Corporation CONTACT: Dale E. Tremblay, Senior Vice President Finance and Chief Financial Officer, 4200, 150 - 6th Avenue S.W., Calgary, Alberta, T2P 3Y7, Telephone (403) 716-4500, Fax (403) 264-0251, website: http://www.precisiondrilling.com/; Archived images on this organization are available through CNW E-Pix at http://www.newswire.ca/. Images are free to members of The Canadian Press. To request a free copy of this organization's annual report, please go to http://www.newswire.ca/ and click on reports@cnw.

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