1. Pickering B Refurbishment and Continued Operation EA Update Presentation to Pickering Community Advisory Council Nuclear Generation Development May 20, 2008 File: NK30-REF-09701.8-xxxxxx -T20 Project Identifier: 13-65722

2. 2 Pickering B Refurbishment and Continued Operations EA Status & Typical Next Steps OPG Submitted Environmental Assessment Study Report (EASR) – December 17 2007 Posted EASR and all 13 TSDs – project web site ww.opg.com/pickeringb – January 2008ww.opg.com/pickeringb Responds to any requests for clarification from CNSC/Federal authorities CSNC: Accepts EASR Issues Draft Screening Report for public comment (typically 4 – 6 weeks) May hold public information session/workshop Closes Public Review Period Staff prepare Commission Member Document, submit to Secretariate Issues notice of public hearing on Pickering B Screening Report Publics notify CNSC of intent to participate 30 days before hearing Holds public hearing (probably in Durham Region) on Screening Report Issues Announcement re: Pickering B EA decision CNSC/OPG discuss follow-up and monitoring program

3. 3 Pickering B Refurbishment and Continued Operation EA Schedule DateActivityCompleted June 2006OPG submits Letter of Intent and Project Description to CNSC September 2006CNSC releases Draft EA Guidelines for Public Review January ~ June 2007 CNSC Public Hearing on Guidelines CNSC approves EA Guidelines OPG submits Draft EA Study Report to CNSC December 17 2007OPG submits EA Study Report to CNSC 2008 CNSC releases Draft Screening Report for Public Review (May hold public consultation sessions) 2008 CNSC holds Public Hearing on Screening Report CNSC releases Commission Decision on EA

4. 4 www.opg.com/pickeringb