WALC OASIS Transmission Services Timing Table for Point to Point Services Effective 12/1/09 Service Timing Table For SECONDARY and NON-FIRM Transmission Requests Time Evaluation Customer Request must be Request QUEUED Time Limit Confirmation Time submitted No must be Prior to Limit after Later Than submitted Start ACCEPTED or No Earlier COUNTEROFFER Than Less than Best Efforts N/A – Request must 20 Min. Prior to WECC 1 hour be preconfirmed. Start of Service Preschedule WALC will not Calendar Counteroffer this product. 1 to 24 30 Mins or N/A – Request must 20 Min. Prior to WECC hours soon as be preconfirmed. Start of Service Preschedule practicable WALC will not Calendar Counteroffer this product. Day 30 Mins or N/A – Request must 20 Min. Prior to WECC ahead soon as be preconfirmed. Start of Service Preschedule practicable WALC will not Calendar Counteroffer this product. Service Type Duration Hourly Non-Firm Secondary 1 -24 Hours Hourly Non-Firm Secondary 1 -24 Hours Hourly Non-Firm Secondary 1 -24 Hours Hourly Non-Firm (PTP) Hourly Non-Firm (PTP) Hourly Non-Firm (PTP) 1 -24 Hours Less than 1 hour Best Efforts 5 Minutes 20 Min. Prior to Start of Service 1 -24 Hours 1 to 24 hours 5 Minutes 20 Min. Prior to Start of Service 1 -24 Hours Day ahead 30 Mins or soon as practicable 30 Mins or soon as practicable 30 Minutes 20 Min. Prior to Start of Service Daily Non-Firm (PTP) Weekly Non-Firm (PTP) Sliding or Fixed, 1 to 6 days Fixed, 1 to 4 Weeks All 30 Mins or soon as practicable 4 Hours 2 Hours 14:00 Day Prior to Start of Service 14:00 Day Prior to Start of Service Monthly Non-Firm (PTP) Fixed, 1 to 11 Months All 2 Business Days 24 Hours All 24 Hours 14:00 Day Prior to Start of Service Conditional Time Period (Time when Request can be Displaced) Conditional at all times until service has started Right of First Refusal Conditional at all times until service has started None Conditional at all times until service has started None WECC Preschedule Calendar WECC Preschedule Calendar WECC Preschedule Calendar N/A None N/A N/A N/A N/A WECC Preschedule Calendar 14 Calendar Days Prior to Start of Service 60 Calendar Days Prior to Start of Service N/A N/A N/A N/A N/A N/A None Service Type Duration Time QUEUED Prior to Start Hourly Firm 1 -24 Hours Less than 1 hour Hourly Firm 1 -24 Hours 1 to 24 hours Hourly Firm 1 -24 Hours Day ahead Daily Firm 1 to 6 days Less Than 24 Hours Daily Firm 1 to 6 days Greater Than 24 Hours Weekly Firm Fixed, 1 to 4 Weeks All Monthly Firm Fixed, 1 to 11 Months All Serice Timing Table for FIRM Transmissin Requests Evaluation Customer Request must be Request Time Limit Confirmation Time submitted No must be Limit after Later Than submitted ACCEPTED or No Earlier COUNTEROFFER Than Best Efforts 5 Minutes 20 Min. Prior to WECC Start of Service Preschedule Calendar 30 Mins or 5 Minutes 20 Min. Prior to WECC soon as Start of Service Preschedule practicable Calendar 30 Mins or 30 Minutes 20 Min. Prior to WECC soon as Start of Service Preschedule practicable Calendar Best Efforts 2 Hours 14:00 Day Prior 30 Calendar to Start of Days Prior to Service Start of Service 30 Days 24 Hours 14:00 Day Prior 30 Calendar to Start of Days Prior to Service Start of Service 30 Days 48 Hours 2 Business Days 60 Calendar Prior to Start of Days Prior to Service Start of Service 30 Days 4 Hours 14 Calendar Days 120 Calendar Prior to Start of Days Prior to Service Start of Service Conditional Time Period (Time when Request can be Displaced) 1 Hour Prior To Start of Service 1 Hour Prior To Start of Service 1 Hour Prior To Start of Service No Conditional Time Period Right of First Refusal / Time Limit To Match 1 Day Prior To Start of Service Yes, less than 24 Hours 1 Week Prior To Start of Service Yes, less than 24 Hours 1 Month Prior To Start of Service Yes, less than 24 Hours FOOTNOTES - APPLICABLE TO SECONDARY, NON-FIRM, and FIRM TRANSMISSION REQUESTS 1. Provider Evaluation time limit measurement start at the time the request is QUEUED on our OASIS. 2. Confirmation time limits are not to be interpreted to extend scheduling deadlines or to override preexemption deadlines. 3. For Customer Confirmation Time the measurement starts at the time the request is either ACCEPTED or COUNTEROFFER by the Transmission Provider. Failure to CONFIRM within the time limit will result in the transmission request being RETRACTED. The time limit does not reset on subsequent changes of state. 4. All transmission requests submitted with less than 1 hour prior to start must be preconfirmed, if the request isn’t preconfirmed the request will be made INVALID. 5. All Non-Firm Transmission Requests can be Displaced or Superseded by a Firm Transmission Request, regardless if the Firm Transmission Request is lesser in duration. The Non-Firm request will have no ability to Match the duration. Yes, less than 24 Hours Yes, less than 24 Hours Yes, less than 24 Hours N/A Service Timing Requirements for NETWORK Transmission Time Evaluation Customer Request must QUEUED Time Limit Confirmation be submitted Prior to Time Limit after No Later Than Start ACCEPTED or COUNTEROFFER Less than Best 5 Minutes 20 Min. Prior to 1 hour Efforts Start of Service Service Type Duration Hourly NonDesignated 1 -24 Hours Hourly NonDesignated 1 -24 Hours 1 to 24 hours Hourly NonDesignated 1 -24 Hours Day ahead Undesignate Network Resource Any, must be in whole hourly increments Any, must be in whole hourly increments Any, must be in whole hourly increments Any, must be in whole hourly increments N/A Redesignate Firm Resource Redesignate Firm Resource Redesignate Firm Resource Request must be submitted No Earlier Than WECC Preschedule Calendar WECC Preschedule Calendar WECC Preschedule Calendar N/A 30 Mins or soon as practicable 30 Mins or soon as practicable Best Efforts 5 Minutes 20 Min. Prior to Start of Service 30 Minutes 20 Min. Prior to Start of Service N/A 80 Min. Prior to Start of Undesignation Less than 1 hour Best Efforts 5 Minutes 20 Min. Prior to Start of Service N/A 1 to 24 hours 30 Mins or soon as practicable 5 Minutes 20 Min. Prior to Start of Service N/A Day ahead or greater 30 Mins or soon as practicable 30 Minutes 20 Min. Prior to Start of Service N/A