Confidential

Smart Metering Solutions PRI has a complete portfolio of interoperable smart metering solutions to provide benefits to both the consumer and the utility. Metering platforms cover single or three phase electricity and gas with both credit and pre- payment modes of operation including the ability to switch between the two. PRI also provides services to retrieve data and manage pre-payment using a range of back office systems and communications media.

Confidential Metering Platforms All electricity meters are full four quadrant, support multiple parameters including interval data and are remotely configurable for time of use tariffs All communications devices are modular, GSM/GPRS/SMS or DLC (low voltage power line carrier) capable and are remotely configurable Meters are compatible with PRI’s range of In- Home Real Time displays

Confidential I-Credit 200 Single phase Intelligent credit meter with energy management displays Optional remote keypad and display External communications options with GSM or DLC Available now

Confidential I-Credit 300 Single phase Intelligent credit meter with energy management displays Optional remote keypad and display External communications options with GSM or DLC Available from Nov 2007

Confidential Liberty 1E Single phase single element, intelligent pre-payment meter with energy management displays Flexible asset platform for both pre-pay and credit operation Optional remote keypad and display External communications options with GSM or DLC Available now

Confidential Liberty 3E Single phase three element, intelligent pre-payment meter with energy management displays Flexible asset platform for both pre-pay and credit operation Remote keypad and display External communications options with GSM or DLC Available now

Confidential Liberty 3P Three phase three element, intelligent pre-payment meter with energy management displays Flexible asset platform for both pre-pay and credit operation Optional remote keypad and display External communications options with GSM or DLC Available now

Confidential Liberty Gas Diaphragm mechanical Gas meter with intelligent electronic module Flexible asset platform for both pre-pay and credit operation with internal shut off valve Optional remote keypad and display External communications options with GSM Available now for trial and from October 2007 in volume

Confidential Dual Fuel System Flexible Metering platform offering both Credit and Pre-Pay functionality for gas and electricity through a single user interface and shared remote communications Liberty Electricity Meter, single or three phase Intelligent Gas Meter Range of In-Home Real-Time Displays and remote communications gateway

Confidential In-Home Displays PRI produce a range of real-time in-home displays compatible with our smart meters Entry level – Freedom Mid level – Customer Interface Panel (CIP) Top level – Home Energy Controller (HEC) All are fitted with Zigbee low-power meshed radio for In-Home networks and interoperability

Confidential Freedom Real-time display of account, energy and carbon data Single line textual display Keypad for user interface and pre-payment operation Zigbee Low Power Meshed Radio for wireless operation Available from Oct 2007

Confidential Customer Interface Panel Real-time display of account, energy and carbon data Custom LCD display with backlight option Keypad for user interface and pre-payment operation Zigbee Low Power Meshed Radio for wireless operation Available from Nov 2007

Confidential Home Energy Controller Real-time display of account, energy and carbon data Full colour touch screen display On screen keypad for pre- payment operation Zigbee Low Power Meshed Radio for wireless operation Optional automated switching to replace existing central heating controller Available now for trial and from Apr 2008 in volume

Confidential

For more information… Please contact: Iain WarnerRay Shaw Business Development Manager Account Manager