Contracts Scheduling Entity Agreement Firm Transmission Service Contract Exhibit C Copper Book Copper Book 2018 Electric Service Amended Restated Implementation Agreement Contractors Schedule A, B & D Contingent Capacity Schedule A, B & D Contingent Capacity Allocations Schedule A, B & D Electric Service Contractors Schedule A, B & D Firm Energy Allocations Attachment 1 IA Committee Representatives Ancillary Services Metering & Scheduling Instructions Western and APA Contract for Electric Service Signed WAPA Contract 16 DSR 12626 Updated Attachments 04-27-17 Arizona Power Authority Power Pooling Adopted Hoover Power Pooling Program Extension of Resource Exchange Program Power Purchase Certificates Power Sales Contract Template Attachment 1