EXHIBIT 99.250
ABB
August 6, 1998
Mr. Xxxxx XxXxxxx
Xxxxx Systems Corporation
0000 Xxxxxx Xxxxx Xxxxxx
X00, 0xx Xxxxx
Xxxxxxxx, XX 00000
Dear Xx. XxXxxxx:
Enclosed for your information and records is an original copy of the Letter
Agreement (including attachments) to performance of Stage I of the Independent
System Operator Scheduling Applications, Scheduling Infrastructure and Business
Systems Contract (the "Contract") and an original copy of the Contract
Modification to Implement Stage II to the Independent System Operator Scheduling
Applications, Scheduling Infrastructure and Business Systems Contract. The
signatures on the originals (Xxxxx Xxxxxxxx of ABB Power T&D Company and Xxxxx
Xxxxxx of the California ISO) are dated 31 July 1998.
Sincerely,
/s/ XXXXX XXXX
Xxxxx Xxxx
Contracts Manager
/mc
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ABB Information Systems 2550 Xxxxx Ave., Santa Clara, CA 00000 (000) 000-0000
Fax (000) 000-0000
