DOW ENDURANCE™ DHDA-7708 BK is a thermoplastic semiconductive compound specifically designed for jacketing over medium, high, and extra-high voltage power cables. It combines the excellent physical properties and low moisture vapor transmission normally associated with Dow insulating jacket materials with the conductivity of thermoplastic semiconductive insulation shielding compounds. In medium voltage cable applications, a semiconductive jacket provides cable endurance and prolongs cable life by reducing neutral-to-ground impulse voltage. The semiconductive jacket enables on-reel cable diagnostic analysis in high and extra-high voltage applications. Compared to conventional thermoplastic semiconductive materials, DOW ENDURANCE™ DHDA-7708 BK offers: - Improved environmental stress-crack resistance - Improved low-temperature properties - Improved thermomechanical properties - Reduced adhesion to strippable insulation shields - Improved cut-through and abrasion resistance - Reduced moisture vapor transmission Details are shown in Figures 1 to 4 Specifications Cables jacketed with DOW ENDURANCE™ DHDA-7708 BK, prepared using sound commercial fabrication practice, would be expected to meet the following specifications: - AEIC: CS8, CS9 - ICEA: S-94-649 Type 1, S-108-720 Type 1 - IEC: 60502, 60840, 62067

DOW HFDA-0100 BK is a specially formulated semiconductive, vulcanizable compound designed for conductor shield and bonded insulation shield applications in medium voltage crosslinked polyethylene insulated cables.(1) DOW HFDA-0100 BK has stable volume resistivity characteristics at elevated temperatures and is formulated with a polymer system that has demonstrated compatibility with copper and aluminum conductors. Specifications: DOW HFDA-0100 BK is designed for use in power distribution cables. Cables with conductor and insulation shielding of DOW HFDA-0100 BK, prepared using sound commercial fabrication practice, meets the following specifications: - IEC 60502-02 - BS 7870-4.10 (1) DOW HFDA-0100 BK EXP3 BK is recommended for use in conjunction with DOW cross-linked polyethylene and tree-retardant cross-linked polyethylene compounds. For other polymer insulation such as EPR and EPDM's, the user is cautioned to establish the utility of DOW HFDA-0100 BK with each formulation.

DOW ENDURANCE™ HFDB-0801 BK EC is a vulcanizable semiconductive compound based on a polyethylene copolymer and is designed for conductor shield and bonded insulation shield applications in crosslinked polyethylene insulated medium and high voltage cables.(1) DOW ENDURANCE™ HFDB-0801 BK EC has improved processability and demonstrated compatibility with copper and aluminum conductors. DOW ENDURANCE™ HFDB-0801 BK EC was specifically developed utilizing a special acetylene carbon black to provide a super-smooth surface yielding a more perfect interface between the extruded shield and the insulation. As a result, significantly improved cable performance can be expected. DOW ENDURANCE™ HFDB-0801 BK EC is formulated with a higher temperature peroxide. Thus, DOW ENDURANCE™ HFDB-0801 BK EC is less subject to pre-cure or scorch within the processing extruder and die. Specifications DOW ENDURANCE™ HFDB-0801 BK EC is designed for use in power distribution cables. Cables with conductor and insulation shielding of DOW ENDURANCE™ HFDB-0801 BK EC, prepared using sound commercial fabrication practice, would be expected to meet the following specifications: - AEIC: CS7, CS8 - IEC: 60502, 60840, 62067 - ICEA: S-108-720, S-94-649; S-97-682; S-93-639 (NEMA WC 74), - DIN: VDE 0273

DOW ENDURANCE™ HFDB-4201 EHV is a long-life, unfilled, crosslinkable, low density polyethylene insulation compound of extreme cleanliness developed especially for the insulation of power cables that employ high electrical stresses. DOW ENDURANCE™ HFDB-4201 EHV has been designed with a non-migrating stabilizer providing high thermal stability and optimum crosslinking behavior. It has an enhanced degree of scorch retardance for fine mesh filtering and long production run lengths during cable manufacture. DOW ENDURANCE™ HFDB-4201 EHV is recommended especially for the insulation of extra high voltage power transmission cables rated above 230 kV. Specifications HFDB-4201 EHV is designed for use in power distribution and transmission cables. Cables insulated with HFDB-4201 EHV, using sound commercial manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: - IEC 62067 - AEIC CS9 - ANSI/ICEA: S-108-720 - GB/T 22078

DOW ENDURANCE™ HFDB-4201 SC is a long-life, unfilled, crosslinkable, low density, super clean polyethylene insulation compound developed especially for the insulation of high voltage power cables. DOW ENDURANCE™ HFDB-4201 SC has been designed with a non-migrating stabilizer providing high thermal stability and optimum crosslinking behavior. It has an enhanced degree of scorch retardance for fine mesh filtering and long production run lengths during cable manufacture. DOW ENDURANCE™ HFDB-4201 SC is recommended for the insulation of high voltage power transmission cables rated up to 230 kV. Specifications HFDB-4201 SC is designed for use in power distribution and transmission cables. Cables insulated with HFDB-4201 SC, using sound commercial manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: - IEC 62067, 60840 - CENELEC HD 632 S3 - AEIC* CS9 - ANSI/ICEA*: S-108-720 - GB/T 11017, GB/Z 18890 *Applicable to USA manufactured product only.

DOW ENDURANCE™ HFDB-4201 VC is a long-life, unfilled, crosslinkable, low density polyethylene insulation compound designed for distribution and transmission power cable insulation applications. It has a very low level of contamination and bears the designation Very Clean (VC). DOW ENDURANCE™ HFDB-4201 VC has been designed to have a low level of additive bloom for a long storage life, low dusting and an enhanced degree of scorch retardance for long production run lengths during cable manufacture. DOW ENDURANCE™ HFDB-4201 VC is recommended for the insulation of power distribution and transmission cables rated at less than 150 kV with stresses less than 7 kV/mm. Specifications DOW ENDURANCE™ HFDB-4201 VC is designed for use in power distribution and transmission cables. Cables insulated with DOW ENDURANCE™ HFDB-4201VC, using sound commercial manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: - IEC 60502, 60840 - GB/T 12706 - ANSI/ICEA*: S-94-649, S-97-682, S-93-639/NEMA WC74 - CENELEC HD 620 S2 - BSI BS 6622, 7870-4 *Applicable to USA manufactured product only.

Dow ENDURANCE™ HFDC-4202 EC is a long-life, water-tree-retardant, unfilled, crosslinkable, low density polyethylene insulation compound designed for distribution and transmission power cable applications. It has a very low level of contamination and bears the designation Extra Clean (EC). HFDC-4202 EC has been designed to have a low level of additive bloom for a long storage life, low dusting and an enhanced degree of scorch retardance for long production run lengths during cable manufacture. The permanent tree-retardant additive provides improved performance in power cables in service involving exposure to moisture while retaining the excellent physical, electrical, and processing attributes of conventional, crosslinkable polyethylene. DOW ENDURANCE™ HFDC-4202 EC compound provides electric utilities with: - Advanced, next generation "water" tree-retardant technology, consistently outperforming conventional XLPE and conventional TR-XLPE in accelerated cable wet aging tests at ambient and elevated temperatures - Proven in the field water tree retardance technology for over 25 years, at a broad cross section of geographical conditions, demonstrating excellent reliability and help achieving lowest life cycle costs - Excellent electrical performance demonstrated by very high aged electrical strength and very low aged dissipation factor and power loss. DOW ENDURANCE™ HFDC-4202 EC compound represents an advancement over conventional water tree-retardant, power cable insulation compounds. DOW ENDURANCE™ HFDC-4202 EC is recommended for the insulation of power distribution cables rated up to 46 kV and can be used for transmission cables rated up to 69 kV. Specifications DOW ENDURANCE™ HFDC-4202 EC tree-retardant compound is designed for use in power distribution and sub-transmission cables. DOW ENDURANCE™ HFDC-4202 EC provides improved wet electrical performance and is recommended, with or without moisture barriers, for use as cable insulation up to and including 69 kV applications. Cables insulated with HFDC-4202 EC, using sound commercial fabrication manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: - ANSI/ICEA: S-94-649, S-97-682, S-93-639 / NEMA WC74 (TR-XLPE requirements) - AEIC: CS8 - RUS 50-70 (U-1) - CEA: WCWG-01, WCWG-02 - UL 1072 - IEC: 60502, 60840 - CENELEC: HD 620 S2 - DIN VDE 0276-620 - BSI BS 6622 - GB/T 12706 - DL/T 1070

Ultra Clean Polyethylene Compound for Extra High Voltage Power Cable Insulation DOW ENDURANCE™ HFDK-4201 EHV is a long-life, crosslinkable, low-density, polyethylene insulation compound of extreme purity developed especially for the insulation of power cables that employ high electrical stresses. DOW ENDURANCE HFDK-4201 EHV is equipped with a non-migrating stabilizer providing high thermal stability, long term stability, and optimum cross linking behavior. Applications: DOW ENDURANCE HFDK-4201 EHV is recommended especially for the insulation of extra high voltage power transmission cables >220kV. Specifications: Cables insulated with DOW ENDURANCE HFDK-4201 EHV would be expected to meet the requirements in the following standards when processed using state-of-the-art cable manufacturing practices - IEC: 62067, 60840 - CENELEC: HD 632 S2 - AEIC: CS9 - ANSI/ICEA: 108-720-2004 - GB/T 11017 , GB/Z 18890

DOW ENDURANCE™ HFDK-4201 SC is a long-life, unfilled, crosslinkable, low density, super clean polyethylene insulation compound developed especially for the insulation of high voltage power cables. DOW ENDURANCE™ HFDK-4201 SC has been designed with a non-migrating stabilizer providing high thermal stability and optimum crosslinking behavior. It has an enhanced degree of scorch retardance for fine mesh filtering and long production run lengths during cable manufacture. DOW ENDURANCE™ HFDK-4201 SC is recommended for the insulation of high voltage power transmission cables rated up to 230 kV. Specifications HFDK-4201 SC is designed for use in power distribution and transmission cables. Cables insulated with HFDK-4201 SC, using sound commercial manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: - IEC 62067, 60840 - CENELEC HD 632 S3 - GB/T 11017, GB/Z 18890

DOW ENDURANCE™ HFDK-4202 EC Polyethylene Compound is a long life water tree retardant, unfilled, crosslinkable low-density polyethylene compound. The permanent tree retardant additive provides improved performance service involving exposure to moisture while retaining the excellent physical, electrical and processing attributes of crosslinkable polyethylene. DOW ENDURANCE HFDK-4202 EC compound provides electric utilities with: - State-of-the-art "water" tree-retardant technology, consistently outperforming conventional XLPE in all accelerated cable wet aging tests at ambient and elevated temperatures - Technology which has been proven in the field for over 25 years, demonstrating excellent reliability and help achieving lowest life cycle costs - Excellent electrical performance demonstrated by very high aged electrical strength and very low aged dissipation factor and power loss. DOW ENDURANCE HFDK-4202 EC Compound represents the state-of-the-art in tree-retardant, power cable insulation compounds. Specifications DOW ENDURANCE HFDK-4202 EC tree-retardant compound is designed for use in power distribution and sub-transmission cables, especially in underground applications. DOW ENDURANCE HFDK-4202 EC provides improved performance over XLPE cables and is recommended, with or without moisture barriers, for use as cable insulation up to and including 69 kV applications. Cables insulated with DOW ENDURANCE HFDK-4202 EC, using sound commercial manufacturing practice, would be expected to meet the following specifications and regulations: - ANSI/ICEA: S-94-649, S-97-682, S-93-639 / NEMA WC74 (TR-XLPE requirements) - AEIC: CS8 - RUS 50-70 (U-1) - CEA: WCWG-01, WCWG-02 - UL 1072 - IEC: 60502, 60840 - CENELEC: HD 620 S1, Part 1, DIX 3 to 14 - DIN VDE 0276-620 - BSI BS 6622 - GB/T 12706 - DL/T 1070

DOW ENDURANCE™ HFDK-9253 EHV is a long-life, unfilled, crosslinkable, low density polyethylene insulation compound of extreme cleanliness developed especially for the insulation of power cables that employ high electrical stresses. DOW ENDURANCE HFDK-9253 EHV has been designed for cable production processes on horizontal vulcanization lines and for cables with thick insulation manufactured on standard catenary vulcanization lines. DOW ENDURANCE HFDK-9253 EHV has been designed with a non-migrating stabilizer providing high thermal stability, long term stability and optimum crosslinking behavior. It has an enhanced degree of scorch retardance for fine mesh filtering and long production run lengths during cable manufacture. DOW ENDURANCE HFDK-9253 EHV is recommended especially for the insulation of extra high voltage power transmission cables rated above 230 kV. Specifications Cables insulated with DOW ENDURANCE HFDK-9253 EHV, using sound commercial manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: - IEC 62067 - AEIC CS9 - ANSI/ICEA: S-108-720 - GB/T 22078

Overview DOW ENDURANCE™ HFDK-9253 S is a long-life, unfilled, crosslinkable, low density, super clean polyethylene insulation compound developed especially for the insulation of high voltage power cables. DOW ENDURANCE HFDK-9253 S has been designed for cable production processes on horizontal vulcanization lines and for cables with thick insulation manufactured on standard catenary vulcanization lines. DOW ENDURANCE HFDK-9253 S has been designed with a non-migrating stabilizer providing high thermal stability, long term stability and optimum crosslinking behavior. It has an enhanced degree of scorch retardance for fine mesh filtering and long production run lengths during cable manufacture. DOW ENDURANCE HFDK-9253 S is recommended for the insulation of high voltage power transmission cables rated up to 230 kV Specifications DOW ENDURANCE HFDK-9253 S is designed for use in power distribution and transmission cables. Cables insulated with DOW ENDURANCE HFDK-9253 S, using sound commercial manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: - IEC 62067, 60840 - CENELEC HD632 S2 - AEIC CS9 - ANSI/ICEA: S-108-720 - GB/T 11017, GB/Z 18890

Overview HFDK-9253 is a long-life, unfilled, crosslinkable, low sag, low density polyethylene insulation compound designed for distribution and transmission power cable insulation applications. HFDK-9253 has been designed for cable production processes on horizontal vulcanization lines and for cables with thick insulation manufactured on standard catenary vulcanization lines. HFDK-9253 has a low level of additive bloom for a long storage life, low dusting and an enhanced degree of scorch retardance for long production run lengths during cable manufacture. HFDK-9253 is recommended for the insulation of power distribution and transmission cables rated up to 69 kV Specifications HFDK-9253 is designed for use in power distribution and sub-transmission cables. Cables insulated with HFDK-9253, using sound commercial manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: - ANSI/ICEA: S-94-649, S-97-682, S-93-639/NEMA WC74 - AEIC CS8 - UL 1072 - CENELEC HD 620 S2 - IEC 60502, 60840 - GB/T 12706 - BSI BS 6622, 7870-4