============= Page 1 of 1 ============= Hum. cti. cbb1 C: 4.JM11 n~.C-4CJ r.c1c Ny s 0 Via Facsimile: 7131216-1370 Mary Arnold The Chase Manhattan Bank 600 Travis Street, 6t' Floor Houston, TJ( 77002 Kenneth L. Lay Chairman and Chief FxeeutiDe Officer August 27, 2001 Enron Corp, P.O. Box 1188 Houston, TX 77251.1188 713.853-6773 Fax 713.853-313 ken nct h.1 ayQen ion, com RE: Account # 4004-0045040803 Dear Mary: This letter is your authority to transfer 110,041 shares of Enron Corp. (26,096 shares of Enron Corp. stock dated 1/31/97, 22,052 shares of Enron Corp. stock dated 4/25/96, 22,035 shares of Enron Corp, stock dated 7/26/95, 23,874 shares of Enron Corp. stock dated 7/26/95 and 15,984 shares of Enron Corp. stock dated 7/26/95) from the Chase Securities Account #ATM-416690 via OTC#0221 to the Enron Corp. Omnibus Account HSE-0000-EN at UBS Paine Webber as soon as possible. Please call Sherrie Gibson at 7131630-0103 should you have any questions. Sincerely, s CC: Elaine Overturf Pam Butler Joanne Cortez Sherrie Gibson Endless possibilities.T"' EC3864880050159 H063 00308 GOVERNMENT EXHIBIT 4090