Mount Olive, North Carolina, August 8, 2007

Effective August 28, 2007, IMPulse NC LLC has sold its traction power substation (TPS) systems business to Reuel, Inc.

IMPulse will honor and complete all outstanding TPS orders accepted and entered prior to this date. For all future TPS equipment and parts orders, please contact Reuel directly at (919) 734-0460.

Please note that this transaction does not affect in any way IMPulse's other business operations consisting of the Overhead Electrification Group (OEG) product line, the battery substation (BASS), or the EMC Traction high speed DC circuit breaker line which are the key components and focus for IMPulse.

All existing IMPulse TPS contracts are being managed by Jerry Jewell, IMPulse Supervisor of TPS Engineering/Manufacturing and all aftermarket part orders by Matt Hughes, IMPulse Product Specialist.

IMPulse will be working very closely with Reuel to ensure a smooth and efficient transition for all affected customers and suppliers.

If you have any questions regarding this announcement please do not hesitate to contact the undersigned.

For more information, please contact Jeffrey Wharton, Executive Vice President/ General Manager.