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MESA , Arizona, October 22, 2003 —Centripetal Dynamics establishes relationship with Underwriter’s Laboratories for wind turbine testing.

Centripetal Dynamics announced today that is has secured a relationship with UL Laboratories ( to support the testing of the company’s prototype 1.5 MW Low Wind Speed Turbine. The testing support will be focused on the approval process requirements needed for sales in the global marketplace.

UL’s resources our world renown and their experience perfectly tailored for wind turbine testing. UL is currently installing a large testing facility in Cheyenne , Wyoming specifically for wind turbine use. This resource will also provide the Company with revenues from the power generated during the test. The Company expects to be one of first users of the testing facility. UL will also be working with the Company on the testing development process and the specifications required for UL approval.

Centripetal Dynamics will install its LWST on UL’s National Wind Turbine Certification and Testing Site being developed in Wyoming . UL will assess Centripetal Dynamics’ LWST for conformity with applicable UL requirements, as set forth by the standard (IEC 61400 series, etc.), for UL Listing, Certification or other UL service.

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