Richard E. Stewart           Stewart Economics, Inc.

                                                                                           One Embarcadero Center

                                                                                           Suite 500

                                                                                           San Francisco, CA  94111                                                                                          

                                                                                           Telephone:    415-265-8407

                                                                                           Fax:               415-433-5994

                                                                                           E-mail:  res@StewartEconomics.com

                                                Barbara D. Stewart          Stewart Economics, Inc.

                                                                                           2660 Peachtree Road, Suite 29B

                                                                                           Atlanta, GA  30305

                                                                                           Telephone:   404-231-2380

                                                                                           Fax:              404-231-2379

                                                                                           E-mail:  bds@StewartEconomics.com