PRICING SUPPLEMENT NO. 99 DATED AUGUST 23, 2001 Filed Pursuant to TO PROSPECTUS DATED NOVEMBER 9, 2000*, Rule 424(b)(5) AS AMENDED BY PROSPECTUS SUPPLEMENTS File No. 333-47464 DATED DECEMBER 15, 2000, AND MAY 04, 2001 CMS ENERGY CORPORATION General Term Notes (servicemark of J.W. Korth & Company), Series F Due 9 Months to 25 Years from date of issue Except as set forth herein, the Notes offered hereby have such terms as are described in the accompanying Prospectus dated November 9, 2000, as amended by the Additional Agent Prospectus Supplements dated December 15, 2000, and May 04, 2001. Aggregate Principal Amount: $ 1,931,000.00 Original Issue Date (Settlement Date): August 28, 2001 Stated Maturity Date: August 15, 2006 Issue Price to Public: 100.00% of Principal Amount Interest Rate: 6.750% Per Annum Interest Payment Dates: September 15 and Monthly Thereafter Commencing September 15, 2001 Survivor's Option: [ X ] Yes [ ] No Optional Redemption: [ X ] Yes [ ] No Initial Redemption Date: August 15, 2003 Redemption Price: 100% Principal Amount of Notes Agent Solicited by Each Agent First of Michigan Corporation $ 10,000 Prudential Securities Incorporated $ 156,000 J.J.B. Hilliard, W.L. Lyons, Inc $ 76,000 Raymond James & Associates, Inc $ 535,000 Comerica Securities, Inc $ 250,000 J.W. Korth & Company $ 904,000 Total$ 1,931,000 Per Note Sold by Agents To Public Total Issue Price: $ 1,000.00 $ 1,931,000.00 Agent's Discount or Commission: $ 6.00 $ 11,586.00 Maximum Dealer's Discount Selling Concession: $ 15.50 $ 29,930.50 Proceeds to the Company: $ 978.50 $ 1,889,483.50 CUSIP Number: 12589SDD1 *Beginning Page 1 of the enclosed Prospectus and Prospectus Supplement for agents other than J. W. Korth & Company.