2. Implementation of new Information Disclosure Reports Report to MOSC June 4, 2003 Report to MOSC June 4, 2003

3. Ontario Native Demand by Zone Two reports to be available starting mid-June 10 Ontario native zones correlating with 18 month report demand by zone and inter-zone flows hourly resolution 15 days after-the-fact. Initial report will go back to March 1, 2003 Will backfill to May 1, 2002 at a later date Two reports to be available starting mid-June 10 Ontario native zones correlating with 18 month report demand by zone and inter-zone flows hourly resolution 15 days after-the-fact. Initial report will go back to March 1, 2003 Will backfill to May 1, 2002 at a later date

4. Intertie Zonal Information by Zone Phase 1 report produced daily with hourly resolution net intertie schedules on a zonal basis actual physical flows on a zonal basis target implementation - already exists (TR pages) Phase 2 same information in an hourly report target implementation - December, 2003. Phase 1 report produced daily with hourly resolution net intertie schedules on a zonal basis actual physical flows on a zonal basis target implementation - already exists (TR pages) Phase 2 same information in an hourly report target implementation - December, 2003.

5. Import Offer Guarantee Information Provide a separate estimate of the effects on uplift due to IOG payments Published on the “new” Today’s Market Page only. available hourly, as per existing uplift estimations. target implementation - June, 2003 Provide a separate estimate of the effects on uplift due to IOG payments Published on the “new” Today’s Market Page only. available hourly, as per existing uplift estimations. target implementation - June, 2003

6. Transmission Outage Information - planned and real-time - Line specific transmission outage information reports already exist (Market Data pages) Real-time transmission outage information not until December, 2003. Line specific transmission outage information reports already exist (Market Data pages) Real-time transmission outage information not until December, 2003.

7. Unit Level Generation Capacity and Energy Phase 1 daily reports produced business days with hourly resolution unit outputs for nuclear, coal and fossil generators large hydroelectric aggregated by station small generation aggregated as appropriate separate report to provide hourly capacity, to similar resolution target implementation - mid July Phase 1 daily reports produced business days with hourly resolution unit outputs for nuclear, coal and fossil generators large hydroelectric aggregated by station small generation aggregated as appropriate separate report to provide hourly capacity, to similar resolution target implementation - mid July

8. Unit Level Generation Capacity and Energy (cont’d) Phase 2 hourly reports containing similar information target implementation - December, 2003 Data Qualifier source is operational metering for energy telemetering errors possible - caveats on the data. Phase 2 hourly reports containing similar information target implementation - December, 2003 Data Qualifier source is operational metering for energy telemetering errors possible - caveats on the data.

9. Generation Outages by Fuel Type Separate report covering planned outages Resolution to be same as currently reported for total Four fuel types - hydro, coal, nuclear, other Target implementation - mid July Separate report covering planned outages Resolution to be same as currently reported for total Four fuel types - hydro, coal, nuclear, other Target implementation - mid July