1. Document #06-4E Enrollment & Switching Process (via Uniform Electronic Transaction) Customer Supplier Distribution Company Customer authorizes enrollment Supplier sends Enrollment Request to Distribution Company receives Enrollment Request from Supplier Distribution Company processes the Enrollment Request Page 2 Enrollment Request contains the required elements Distribution Company sends Enrollment Rejection to Supplier No Supplier receives Enrollment Rejection Customer enrolled with another Supplier Distribution Company processes the Enrollment Request Yes No Yes Distribution Company sends Drop Request to Supplier 1 Supplier 1 receives Drop Request Supplier 1 sends Drop Confirmation to the Distribution Company Distribution Company receives Drop Confirmation 1

2. Document #06-4E Enrollment & Switching Process (via Uniform Electronic Transaction) Customer Supplier Distribution Company New Supplier receives Enrollment Confirmation Page 1 Distribution Company sends Enrollment Confirmation to new Supplier Distribution Company sends enrollment confirmation letter to the customer Page 4 Customer notifies the Distribution Company to rescind enrollment and return to Distribution Company service Yes Customer receives enrollment confirmation letter Customer wants to rescinds enrollment Y/N Yes No further action required No Customer wants to remain with previous Supplier Customer was enrolled with another Supplier Y/N Yes No Page 3 2

3. Document #06-4E Enrollment & Switching Process (via Uniform Electronic Transaction) Customer Supplier Distribution Company sends Drop Request to supplier Supplier receives Drop Request Supplier processes Drop Request and sends Drop Confirmation Distribution Company receives Drop Confirmation Page 2 Distribution Company processes the customers rescission 3

4. Document #06-4E Enrollment & Switching Process (via Uniform Electronic Transaction) Customer Supplier Distribution Company Page 2 Distribution Company processes the customers rescission Customer notifies the Distribution Company to rescind enrollment and continue with the previous Supplier Distribution Company sends Drop Request to Supplier 2 Distribution Company sends Enrollment Request to Supplier 1 Supplier 2 receives Drop Request Supplier 2 processes Drop Request and sends Drop Confirmation Distribution Company receives Drop Confirmation Supplier 1 receives Enrollment Request Supplier 1 processes Enrollment Request and sends Enrollment Confirmation Distribution Company receives Enrollment Confirmation 4

5. Document #06-4E Drop (initiated by customer) Customer Supplier Distribution Company Customer terminates contract with supplier Supplier sends drop transaction to Distribution Company receives drop transaction from the Supplier Distribution Company processes the drop transaction Transaction contains the correct validation elements Distribution Company sends reject transaction to supplier No Yes Distribution Company sends drop confirmation to customer Customer decides to rescinds drop Distribution Company sends drop response transaction to supplier Supplier receives drop response transaction No further action required by customer Yes Page 2 Supplier receives reject transaction No

6. Document #06-4E Drop (initiated by customer) Customer Supplier Distribution Company Customer contacts Distribution Company to rescind drop Page 1 Distribution Company processes the customers drop rescission Distribution Company sends enrollment transaction to supplier Supplier receives enrollment and sends functional acknowledgement Distribution Company receives functional acknowledgement Supplier processes enrollment and sends enrollment response Distribution Company receives enrollment response

7. Document #06-4E Drop (initiated by supplier) Customer Supplier Distribution Company Supplier sends drop transaction to Distribution Company receives drop transaction from the Supplier Distribution Company processes the drop transaction Transaction contains the correct validation elements Distribution Company sends reject transaction to supplier No Yes Distribution Company sends drop confirmation to customer Customer rescinds drop Distribution Company sends drop response transaction to supplier Supplier receives drop response transaction No further action required by customer Yes Page 2 Supplier receives reject transaction No

8. Document #06-4E Drop (initiated by supplier) Customer Supplier Distribution Company Customer contacts Distribution Company to rescind drop Page 1 Distribution Company processes the customers drop rescission Distribution Company sends enrollment transaction to supplier Supplier receives enrollment Supplier processes enrollment and sends enrollment response Distribution Company receives enrollment response