RXQ Dual Billing Process Flow Distribution Company Supplier Customer Distribution Company reads meter(s) ( ) Supplier receives and processes Customer payment ( ) Customer receives bill for energy Charges ( ) Supplier prepares and renders bill for energy ( ) Customer pays supplier for energy Charges ( ) Customer receives bill for distribution charges ( ) Customer pays Distribution Company for distribution charges ( ) Distribution Company receives and processes Customer payment ( ) Distribution Company prepares and renders bill for distribution charges ( ) Document# 10-1B Distribution Company sends usage data to Supplier ( ) 1

RXQ Dual Billing Process Flow Meter Usage Cancellation and Rebilling Process Distribution Company Supplier Customer Customer receives restated Supplier charges ( ) Distribution Company sends cancellation notice to Supplier ( ) Distribution Company determines that initial usage was incorrect ( ) Supplier receives cancellation notice and cancels charges in its billing system for incorrect usage ( ) Distribution Company determines restated usage ( ) Distribution Company sends restated usage to Supplier ( ) Supplier receives restated usage ( ) Supplier calculates restated charges and sends corrected bill to Customer ( ) Distribution Company calculates restated charges and sends corrected bill to Customer ( ) Customer receives restated Distribution Company charges ( ) 2 Distribution Company cancels charges in its billing system for incorrect usage ( )

Time to fix & re-submit ( ) RXQ Consolidated Billing - Bill Ready Process Flow Yes No Yes No Yes Customer Non-Billing Party Billing Party receives usage data ( ) Billing Party calculates its charges ( ) Distribution Company sends usage ( ) Non-Billing Party receives usage data ( ) Non-Billing Party calculates its charges and sends them to Billing Party ( ) Billing Party receives Non- Billing Party charges ( ) No File properly formatted ( , & ) Sends rejection notification ( & ) Rejection notice received ( & ) Time to fix & re-submit ( ) Process Non-Billing Party transactions ( ) Account is billable ( & ) Send rejection notification ( & ) Rejection received ( & ) Yes Hold transaction(s) for next bill ( ) No

RXQ Consolidated Billing - Bill Ready Process Flow Customer Non-Billing Party Billing Party Non-Billing Party charges in time for bill ( ) Yes No Yes No Customer receives bill ( & ) Billing Party prepares & renders bill with all available charges ( & ) Hold for next bill as specified in Billing Services Agreement ( ) Billing Party performs cancel and rebill (unless other action specified in Billing Services Agreement) ( ) Send rejection notification ( ) Non-Billing Party resubmits for next bill ( ) Hold transaction for next bill ( ) Delay caused by Billing Party ( & ) Transactions held from prior periods ( ) 4 1 2

Non-Billing Party calculates corrected charges and sends them to Billing Party ( ) RXQ Consolidated Billing - Bill Ready Process Flow Meter Usage Cancellation and Rebilling Process Customer Non-Billing Party - Billing Party - No Yes Billing Party receives restated usage data and cancels charges in its billing system for incorrect usage ( & ) Non-Billing Party receives restated usage data and cancels charges in its billing system for incorrect usage ( & ) Distribution Company determines initial usage was incorrect; sends cancel usage notice and restated usage ( & ) Billing Party calculates corrected charges ( ) Billing Party receives Non- Billing Party charges ( ) File properly formatted ( , & ) Send rejection notification ( & ) Receive Rejection ( & ) Time to fix & re-submit ( ) Hold transaction(s) for next bill ( ) No 5 Yes

RXQ Consolidated Billing - Bill Ready Process Flow Meter Usage Cancellation and Rebilling Process Yes No Customer Non-Billing Party - Billing Party Yes No Time to fix & re-submit ( ) Process Non-Billing Party transactions ( ) Rejection notification received ( & ) Send rejection notification ( & ) Yes No Billing Party prepares & renders bill with all available cancellations and charges ( ) Billing Party performs cancel and rebill (unless other action specified in the Billing Services Agreement) ( ) Non-Billing Party charges in time for bill ( & ) Delay caused by Billing Party ( & ) Hold for next bill as specified in the Billing Services Agreement ( ) Send rejection notification ( ) Non-Billing Party receives rejection notification and resubmits for next bill ( ) Hold transaction for next bill ( ) Customer receives bill ( & ) 6 Able to process Non-Billing Party transactions ( & )

RXQ Consolidated Billing - Bill Ready Process Flow Non-Billing Party Bill Cancellation and Rebilling Process Customer Non-Billing Party - Billing Party No Yes Billing Party receives cancel charges notice ( ) Non-Billing Party determines original charges were incorrect; sends cancel charges notice to Billing Party and cancels charges in its billing system ( ) Non-Billing Party calculates corrected charges and sends them to Billing Party ( ) Billing Party receives Non-Billing Party corrected charges ( ) File properly formatted ( , & ) Send rejection notification ( & ) Receive Rejection ( & ) Time to fix & re-submit ( ) Hold transaction(s) for next bill ( ) No 4 7 File properly formatted ( ) Send rejection notification ( ) Receive Rejection ( ) Fix and resubmit ( ) No Yes Customer in receipt of original charges ( ) No further action Yes Billing Party cancels Non-Billing Party charges in its system ( )

RXQ Consolidated Billing - Bill Ready Process Flow Yes No Customer Non-Billing Party - Billing Party Yes No Time to fix & re-submit ( ) Process Non-Billing Party transactions ( & ) Rejection notification received ( ) Able to process Non-Billing Party transactions ( & ) Send rejection notification ( ) Yes No Billing Party prepares & renders bill with all available cancellations and charges ( & ) Billing Party performs cancel and rebill (unless other action specified in the Billing Services Agreement) ( ) Non-Billing Party charges in time for Bill ( , & ) Send rejection notification ( ) Non-Billing Party receives rejection notification and resubmits for next bill ( ) Hold transaction for next bill ( ) Customer receives bill ( & ) Yes No Delay caused by Billing Party ( & ) 8 Non-Billing Party Bill Cancellation and Rebilling Process Hold for next bill as specified in the Billing Services Agreement ( )

RXQ Consolidated Billing - Rate Ready Process Flow Customer Non-Billing Party Billing Party Billing Party receives information and inputs Rate Codes and prices in its billing system ( & ) Non-Billing Party provides information to establish Rate Codes and prices ( & ) Distribution Company sends usage data ( ) Billing Party receives usage data ( ) Billing Party calculates Billing Party charges ( ) Billing Party calculates Non- Billing Party charges using appropriate Rate Code(s) ( ) Customer receives Consolidated Bill ( ) Billing Party prepares and renders Consolidated Bill ( ) Non-Billing Party receives billing data ( ) Billing Party sends notice of Non-Billing Partys usage and charges ( ) 9

RXQ Consolidated Billing - Rate Ready Process Flow Customer Non-Billing Party Billing Party Distribution Company determines that initial usage was incorrect; sends cancel usage notice and restated usage ( ) Billing Party receives cancelled and restated usage data ( & ) Billing Party calculates Billing Party charges using restated usage ( ) Billing Party calculates Non- Billing Party charges using restated usage and appropriate Rate Code(s) ( ) Customer receives Consolidated Bill ( ) Billing Party prepares and renders Consolidated Bill ( ) Non-Billing Party receives notice(s) of restated usage and charges ( ) Billing Party sends notice(s) of restated usage and charges to the Non-Billing Party ( ) Meter Usage Cancellation and Rebilling Process Billing Party cancels original Billing Party usage and charges and updates its billing system ( ) Billing Party cancels original Non-Billing Party usage and charges ( ) Billing Party sends notice of cancelled usage and charges to the Non-Billing Party ( ) Non-Billing Party receives notice of cancelled usage and charges and updates its billing system ( ) 10

RXQ Single Retail Supplier Billing Process Flow Customer Distribution Company Supplier receives usage data ( & ) Supplier receives invoice from Distribution Company ( ) Distribution Company sends usage data to Registration Agent ( ) Registration Agent receives usage Data ( ) Registration Agent forwards usage data to Supplier ( & ) Distribution Company calculates its charges ( ) Supplier processes usage data ( ) Distribution Company sends invoice to Supplier ( ) Supplier accepts invoice ( & ) Supplier sends rejection notice to Distribution Company ( ) Distribution Company receives rejection notice ( ) Distribution Company evaluates reason for rejection notice ( ) 1 Yes No Supplier analyses usage data and invoice ( ) Distribution Company recalculates Charges ( & ) Distribution Company works with Supplier to address rejection ( ) Yes No 11 Supplier accepts usage data ( & ) Supplier sends rejection notice to Registration Agent ( ) Registration Agent receives rejection notice and forwards to Distribution Company ( ) Distribution Company receives rejection notice ( ) No Yes

RXQ Single Retail Supplier Billing Process Flow Customer Distribution Company Supplier Supplier calculates charges (including Distribution Company related charges) and sends Customer bill ( ) Registration Agent Customer receives bill (including energy and distribution charges) ( ) 1 12

RXQ Single Retail Supplier Billing Process Flow Customer Distribution Company Supplier Receives restated usage data ( ) Supplier receives cancelled and corrected invoices ( ) Distribution Company determines initial usage was incorrect; sends cancellation notice and restated usage data to Registration Agent, if applicable ( & ) Registration Agent receives cancellation notice and restated usage data, if applicable ( & ) Registration Agent sends restated usage data to Supplier ( & ) Registration Agent receives rejection notice and forwards to Distribution Company ( ) Distribution Company receives rejection notice ( ) Distribution Company sends cancelled and corrected invoices to Supplier ( ) Meter Usage Cancellation and Rebilling Process Supplier cancels charges in its billing system for incorrect usage data ( ) Distribution Company cancels charges in its billing system for incorrect usage data ( ) Yes Supplier processes restated usage data ( ) Supplier analyzes restated usage data and invoices ( ) No Distribution Company recalculates its charges ( ) Distribution Company recalculates Its charges ( & ) Distribution Company works with Supplier to address rejection ( ) No Yes Supplier accepts restated usage data ( & ) Supplier sends rejection notice to Registration Agent ( )

RXQ Single Retail Supplier Billing Process Flow Customer Distribution Company Supplier Supplier calculates restated charges (including Distribution Company related charges) ( ) Registration Agent Customer receives corrected bill (including energy and distribution charges) ( ) Meter Usage Cancellation and Rebilling Process Supplier sends bill to Customer including cancelled charges and restated charges ( ) 14 Supplier accepts cancelled and corrected invoices ( & ) Supplier sends rejection notices to Distribution Company ( ) Distribution Company receives rejection notices ( ) Yes Distribution Company evaluates reason for rejection notices ( ) No 2 1

RXQ Consolidated Billing – Payment Processing Assumption of Receivables Process Flow Customer Non-Billing Party Billing Party Billing Party renders bill ( ) Billing Party remits funds to the Non-Billing Partys financial institution ( & ) Customer receives bill ( ) Non-Billing Party receives remitted funds ( & ) Billing Party sends remittance notification to the Non-Billing Party ( ) Non-Billing Party receives remittance notification ( ) Non-Billing Party restates Customer accounts receivable ( ) Customer disputes Non-Billing Party charges ( & ) No further action required by Billing Party or Non-Billing Party Billing Party receives notification of Customer dispute ( & ) No Yes Funds remitted to Non-Billing Party ( ) Billing Party withholds remittance of disputed charges to the Non-Billing Party ( ) Yes 15 Conversion to Dual Billing allowed for delinquent accounts by BSA ( ) No further action Yes No

RXQ Consolidated Billing – Payment Processing Assumption of Receivables Process Flow Customer Non-Billing Party Billing Party 16 Billing Party sends a remittance reversal notification to the Non- Billing Party ( ) Non-Billing Party receives remittance reversal notification ( ) Billing Party reduces next remittance by the amount of any disputed charges ( ) Delinquent accounts exist ( ) No further action Notify Non-Billing Party of delinquencies ( ) Billing Party notifies Non-Billing Party of delinquencies ( ) Non-Billing Party receives notification of delinquencies ( ) No Yes Billing Party sends notice of account(s) converted to either Dual Billing or regulated service to the Non-Billing Party ( ) Yes

RXQ Consolidated Billing – Payment Processing Assumption of Receivables Process Flow Customer Non-Billing Party Billing Party 17 Non-Billing Party receives notice of account(s) converted to either Dual Billing or regulated service ( ) Notify Customer(s) of account(s) converted to either Dual Billing or regulated service ( ) No further action Billing Party sends notification of account(s) converted to either Dual Billing or regulated service to Customer(s) ( ) Customer(s) receive notification of account(s) converted to either Dual Billing or regulated service ( ) 5 6 Yes No

RXQ Consolidated Billing – Payment Processing Assumption of Receivables Process Flow Bill Cancellation and Rebilling Process Customer Non-Billing Party Billing Party Billing Party cancels and/or rebills charges ( ) Billing Party remits funds, as appropriate, to the Non-Billing Partys financial institution ( & ) Customer receives corrected bill ( ) Non-Billing Party receives remitted funds ( & ) Billing Party adjusts (by the net effect of the corrected bill) and sends next routine remittance notification to the Non-Billing Party ( ) Non-Billing Party receives remittance notification including adjustment ( ) 18 Billing Party produces and sends corrected bill to Customer ( ) Non-Billing Party restates Customer accounts receivable ( )

RXQ Consolidated Billing Payment Processing-Pay As You Get Paid Process Flow Customer Non-Billing Party Billing Party 19 Customer makes payment ( ) Billing Party receives payment ( ) Payment posted in accordance with payment posting order ( & ) Billing Party sends remittance notification to the Non-Billing Party ( ) Billing Party remits funds to the Non- Billing Partys financial institution ( ) Non-Billing Party receives remittance notification ( ) Non-Billing Partys receives remitted funds ( ) Billing Party sends remittance adjustment notification to the Non-Billing Party ( ) Payment subsequently adjusted ( ) No further action required No Yes Non-Billing Party receives notification ( ) Billing Party modifies next remittance by the amount of any adjusted payments ( ) Billing Party maintains account balances for the Non-Billing Party ( ) Yes

RXQ Consolidated Billing- Payment Processing Pay As You Get Paid Process Flow Bill Cancellation and Rebilling Process Customer Non-Billing Party Billing Party Billing Party cancels and/or rebills charges ( ) Billing Party remits funds, as appropriate, to the Non-Billing Partys financial institution ( & ) Customer receives corrected bill ( ) Non-Billing Party receives remitted funds ( & ) Billing Party adjusts (by the net effect of the corrected bill) and sends next routine remittance notification to the Non-Billing Party ( ) Non-Billing Party receives remittance notification including adjustment ( ) 20 Billing Party issues and sends corrected bill to Customer ( ) Non-Billing Party restates Customer accounts receivable ( )

RXQ Single Retail Supplier Billing – Payment Processing Remittance from Supplier Process Flow (includes payment(s) for cancelled and/or rebilled charges) Distribution Company Supplier 21 Supplier sends remittance notification to the Distribution Company ( ) Supplier remits funds to the Distribution Companys financial institution ( ) Distribution Company receives remittance notification ( ) Distribution Companys financial institution receives payment ( ) Yes Supplier performs financial reconciliation and initiates process to pay Distribution Company invoice ( ) Supplier initiates payment process prior to due date ( & ) No Distribution Company calculates interest charges/late fees and updates billing system, if applicable ( ) Distribution Company sends interest/late fee notification to Supplier, if applicable ( ) Supplier receives interest/late fee Notification, if applicable ( ) Supplier initiates payment process for invoice and any interest/late fee charges ( & ) No Distribution Company works with Supplier to address inquiry ( ) Yes Distribution Company performs financial reconciliation and resolves any discrepancies ( ) Supplier contacts Distribution Company to inquire about any disputed interest/late fee charges ( )