1. RATE CODES Central Maine Power Company

2. Introduction This is to provide Suppliers training on: n Establishing a new rate code prior to enrollment n Establishing a new rate code for an account that is already enrolled n Changing the price on established rate code

3. Topics of Discussion Steps to request new rate codes n Email - new rate code with pricing; or the price changes to an established rate code n A. Send EDI 814-1 transaction to enroll account w/new or existing rate code; n B. Send EDI 814-2 transaction to change enrolled account from one valid rate code to another n C. No EDI transaction necessary for Version Changes

4. Establish New Rate Code prior to enrollment n Information below provided by CEP. Format columns on excel spreadsheet. Below are the headings for each column F Supplier ID Duns +4 F Supplier rate code (5 characters A/N) F Effective date (dated 6 weeks prior to date submitted) F Price component(s) F TOU or NON-TOU F When a TOU rate code is requested CEP provides register information for ON PEAK, INTERIM (SHOULDER) and OFF PEAK. F Seasons – indicate Start & End date use MM & DD F Seasonal Price Change (two choices are PRO=Prorate & NPR =Non-prorate retroactive) F Rate Price version Change ( Three choices are PRO=Prorate, NPR=Non Prorate Retroactive and NPP=Non Prorate Proactive) F Rate Request is emailed to SupplierServices@cmpco.com

5. New Rate Code n Email request to CMP Supplier Services n Central Maine Power Company creates rate and emails rate spreadsheet for Supplier approval n CEP reviews rate code details and emails approval to CMP n CMP migrates approved rate code to Production

6. Impact of New Rate Code Effective Dates n Examples provided in Supplier Rate Code Training Document #1Supplier Rate Code Training Document #1 n If a Supplier has any questions on what effective date to request please email or call Supplierservices@cmpco.com

7. Price (version) Changes n Price change to an existing Rate Code effects all Supplier accounts enrolled on the same rate code. Email request with Version 2 effective start date. Just the price is changing. Steps : Email request to CMP Supplier Services (request contains rate code, Version 2 price and the effective start date) CMP emails rate code spreadsheet for Supplier approval CEP reviews rate code details and emails approval to CMP CMP migrates approved rate code to Production

8. What happens when a price (version)change is implemented n Price changes can be Prorated (PRO), Non Prorated Retroactive(NPR) and Non Prorated Proactive(NPP) n Season changes can be Prorated (PRO)or Non Prorated Retroactive(NPR) n These two rate code components are provided by the Supplier at the time the rate is requested and built. They cannot be changed once the rate code is migrated to Production. To change either of these components would require a new rate code be set up. n Examples provided in Supplier Training Document #2

9. Next Steps n If a Supplier has a rate question please call Supplier Services n I have posted this Supplier rate training information and supporting documents on our website n Thank you