Austin, Texas

Went public 8/8/2000 at $17 per share

Filing Range: 8 mil. shares @ $14 to $16

Shares Outstanding: 37.7 mil. shares

Underwriters: Goldman, Sachs & Co./Merrill Lynch & Co./Morgan Stanley

Dean Witter/CIBC World Markets

Company Counsel: Brobeck Phleger & Harrison LLP

Manager Counsel: Vinson & Elkins LLP

Auditor: Ernst & Young LLP

The Company:

Develops fully-integrated flywheel energy storage systems. Designs, manufactures and markets its CleanSource family of flywheel energy storage systems. It markets its products to the uninterruptible power supply (UPS) and power quality industry as an alternative or supplement to existing energy storage systems such as lead-acid batteries. Customers include utility companies, data centers and industrial manufacturing companies that require cost-effective, quality electrical power.

Venture Backers:

Advent International Corp.

SSM Ventures

CenterPoint Venture Partners

Austin Ventures LP

Rho Management

Stephens Group Inc.

Enron North America

Sevin Rosen Management Co.

InterWest Partners

Financing Rounds:

Number of Round Amt.

Round # Round Date Stage Investors ($ thousands)

1 01/01/1995 1 Early Stage 400.0

2 05/01/1996 3 Expansion 3750.0

3 07/29/1997 4 Expansion 6000.0

4 06/16/1998 6 Later Stage 10000.0

5 11/22/1999 14 Later Stage 27000.0


(Data in $ millions)



Total Revenues: $1.0

Net Income: -7.4