1. ENQ Semiconductor Inc. Delivering on the promise of 802.15.4/ZigBee Open House June 3, 2003

2. About ENQ Semiconductor The Product IEEE 802.15.4 Compliant (900MHz / 2.4GHz) & Zigbee Compatible Integrated PHY & MAC SoC Industry-Leading Low Power Consumption Exceeds 802.15.4 Performance Specifications Few external components Highly Parameterized RF/Analog Extended Temperature Operation Wide Variety Of External Interfaces The Company Ottawa, Ontario, Canada Intellectual property under development since January 2000 Privately founded by experts in wireless technology, network communications protocol, digital and RF IC’s; in industry and academia Proven patented technology (8) Copyright 2003 The ZigBee Alliance, Inc.

3. Goals for the Alliance Why is ENQ involved in the Alliance? –Market driver of LR-WPAN –Helping Define Technical Specifications –Helping Promote ZigBee Alliance What does ENQ hope to gain from the Alliance? –Interoperability –Understanding of ENQ customers’ requirements What does ENQ plan to implement? –Industry Leading Single Chip Wireless System Solution Copyright 2003 The ZigBee Alliance, Inc.