2. Benefits of utilizing Edwards EST3 system for Emergency Paging application at OPGN

3. Advantage – Existing Equipment Compatible with existing EST3 Fire Alarm equipment, digital audio amps plug in. Flexible audio configurations– multipriority remote page inputs, zones outputs (suit com, etc) Simple Interface to existing FireWorks for MCR/ERT/Control Maintenance. Optional automated daily test tones at pre- set times – pre-recorded messages

4. Advantage – Operating Experience EST3 systems AFS at all operating units in Ontario. OPGN CATids already exist for most equipment – just need to add amps, etc. Design/Projects group EST3 trained. Control Maintenance EST3 trained. Spares parts for EST3 in stock. EST3 Software procedures exist now. EST3 Maintenance procedures exist now.

5. Advantage - Qualification Meets fully the requirements of NBC 1995 and CSA/N293-95 Audio is ULC Listed for Emergency use EST3 system is OPGN qualified, been through HFE before. Software is currently CAT3 categorized EDWARDS and EST3 product meet QL3/QL4 requirements

6. Advantage – Cost Effective Non-nuclear grade. Commercially available equipment Can be interfaced to existing J-Boxes, minimum re-wiring Minimal project length - Pre-qualified and categorized, ready to purchase. EDWARDS Direct pricing available to OPGN

7. Advantage – Faster Compliance Cost Effective – easier to budget over 1 year instead of 3 or 4 Equipment Already Qualified – jump to design/implementation stage Previous OPGN Operating Experience – accelerated implementation Flexible Installation to reduce field work Access to Edwards direct.

8. THANKS