Exelon Corporation and its No affiliates Tucson Electric Power No Brazos Electric No Cooperative Kansas City Power & Light No California Independent System No Operator PPL Corporation NERC Yes Registered Affiliates Associated Electric Yes Cooperative, Inc. (NCR01177, JRO00088) Family Of Companies (FOC) Yes including OPC, GTC & GSOC Florida Municipal Power Yes Agency Pepco Holdings Inc & Yes Affiliates SPP and Member companies Yes
Exelon Corporation and its affiliates No Tucson Electric Power No Brazos Electric Cooperative No Kansas City Power & Light No California Independent System Operator No PPL Corporation NERC Registered Affiliates Yes Associated Electric Cooperative, Inc. (NCR01177, JRO00088) Yes Family Of Companies (FOC) including OPC, GTC & GSOC Yes Florida Municipal Power Agency Yes Pepco Holdings Inc & Affiliates Yes SPP and Member companies Yes
Comment_Report_C_052212.docx