1. THE OKONITE COMPANY Okoguard Insulated Power Cable 1968--PRESENT 1

2. 2

3. 3 OKOGUARD ALL EPR SYSTEM 40+ YRS SERVICE ENGINEERED SUCCESS

4. PRODUCT ATTRIBUTES 4 IN HOUSE DEVELOPMENT ALL EPR INSULATION SYSTEM COMPOUND FORMULA COMPOUND MIXING FACILITY FACTORY PROCESSING EQUIPMENT

5. THE OKOGUARD STORY DESIGN OBJECTIVES FORMULA MIXING FACILITY MANUFACTURING PROCESSES TESTINGAPPLICATIONS SYSTEM CONCEPT 5

6. OKOGUARD EPR SYSTEM 6 Okoguard EPR EPR S/C Strand Screen EPR S/C Insul Screen

7. THE OKOGUARD STORY DESIGN OBJECTIVE SYSTEM CONCEPT 7

8. Design Objectives 8 Electrical Stability In House Compounding Process Capability 5kv thru 69kV All Applications

9. EPR IS STABLE XLP IS UNSTABLE

10. XLP IS SOFT

11. THE OKOGUARD STORY FORMULA SYSTEM CONCEPT 11

12. 12 Polymerdielectric Clayfiller Plasticizersviscosity Oxidesheat resis Antioxidantaging Peroxidecuring FORMULATION

13. EXXON VISTALON POLYMER

14. THE OKOGUARD STORY MIXING FACILITY SYSTEM CONCEPT 14

15. COMPOUND MIXING FACILITY 15 Orangeburg South Carolina 1993 93,000 Square Feet 50 Million Pounds/Yr

16. Site: 102 Acres Manufacturing Space: 83,000 sq. ft. ORANGEBURG, S.C. COMPOUND FACILITY.

20. THE OKOGUARD STORY MANUFACTURING PROCESSES SYSTEM CONCEPT 20

21. Manufacturing Processes 21 Triple Tandem Extrusion 3Plant Capability Orangeburg South Carolina Richmond Kentucky Santa Maria California

24. OKOGUARD EPR SYSTEM 24

25. INDUSTRY HISTORY 25 Thermoplastic tree retardant insulation Vertical Extruders Continuous Pellet examination Elimination of routine production tests; DC withstand test Filled Strand True triple extrusion Water blocked concentric neutrals New tree retardant compounds NO POSITIVE IMPACTS

26. Shielding

27. THE OKOGUARD STORY TESTING SYSTEM CONCEPT 27

28. TESTING 28 CANDIDATE INSULATION QUALIFICATION ROUTINE PRODUCTION 3 rd PARTY CERTIFICATION FULL SIZE CABLE TESTING

32. MANUFACTURING PROCESSES CV CONFIGURATION CV CONFIGURATION TRIPLE TANDEM EXTRUSION TRIPLE TANDEM EXTRUSION 32

33. TESTING QUALIFICATION QUALIFICATION MATERIALS LAB HV LAB 33

34. HV Lab QUALIFICATION HV Lab QUALIFICATION per Industry stds. per Industry stds. ( AEIC CS 6 – 96 now ICEA S 94-649 )

35. QUALIFICATION - done by others

37. TESTING ROUTINE PRODUCTION ROUTINE PRODUCTION AC WITHSTAND AC WITHSTAND CORONA CORONA INSULATION RESISTANCE INSULATION RESISTANCE DC RESISTANCE DC RESISTANCE PHYSICAL CHARACTERISTICS PHYSICAL CHARACTERISTICS 37

38. CORONA TESTING 38 Stress as a Percent of Rated Voltage to Ground 150% 200% 250% 300% 400% 19735 30 55 80 80 1975 5 20 35 50 - 19825 20 35 50 - 1983Okonite established internal “flat line” requirement 19875 5 5 5 10 1996-Present 5 5 5 5 5

39. THE OKOGUARD STORY APPLICATIONS SYSTEM CONCEPT 39

40. APPLICATIONS UTILITY UTILITY INDUSTRIAL INDUSTRIAL NUCLEAR NUCLEAR MEDICAL X-RAY MEDICAL X-RAY SUBMARINE SUBMARINE MASS TRANSITS MASS TRANSITS RAILROADS RAILROADS 40

42. BASIC COMPONENTS CONDUCTOR STRAND SCREEN INSULATION INSULATION SCREEN METALLIC SHIELD JACKET

46. OKOGUARD SYSTEM 46

47. OKOGUARD THE STANDARD THE STANDARD ENGINEERED SUCCESS ENGINEERED SUCCESS 40+ YR IN-SERVICE RECORD 40+ YR IN-SERVICE RECORD 47