EXHIBIT 99.1 ------------ [Letterhead of TOO Deloitte & Touche] CONSENT OF INDEPENDENT CHARTERED ACCOUNTANTS We hereby consent to the inclusion of our reports (re: Hurricane Hydrocarbons Ltd.) dated February 28, 2003 in this Annual Report on Form 40-F of PetroKazakhstan Inc.for the year ended December 31, 2002. /s/ TOO Deloitte & Touche TOO Deloitte & Touche Almaty, Kazakhstan June 11, 2003