ZAP(R) Teams Up With ArcaEx(R) for Toyota Indy 400, October 16 at the California Speedway; ZAP Joins as Logo Sponsor for ArcaEx Sponsored IndyCar

SANTA ROSA, Calif.--Oct. 1, 20052, 2005--Transportation pioneer ZAP (PCX:ZP) announced today that the company has joined as a logo sponsor with ArcaEx for the Toyota Indy 400, October 16, 2005, at the California Speedway.

Officials from ZAP will be attending the race this Sunday. In June 2005, the Archipelago Exchange(SM) (ArcaExR), the nation's first totally open, all-electronic stock exchange, announced that Zero Air Pollution(R) (ZAP), a leader in the advancement of transportation technologies and energy products, had listed exclusively on ArcaEx.

In addition to providing the advantages of electronic trading, ArcaEx enables NYSE-, Amex- and Nasdaq-listed companies and their investors to reap the benefits of ArcaEx's investor focused market structure. ArcaEx operates as an all-electronic auction market, with an open limit order book matching buyers and sellers directly based on simple price and time priority, leveling the playing field for all market participants.

Currently over 230 companies are listed on ArcaEx. In addition to its own listings, the exchange trades all NYSE, Nasdaq, and Amex listed stocks.

About ZAP

ZAP, Zero Air Pollution, has been a leader in advanced transportation technologies and energy products since 1994. ZAP serves the multi-billion-dollar markets for next-generation transportation and power products through three divisions: ZAP Automotive; ZAP Personal Transportation; and ZAP Energy. The Company has delivered more than 90,000 fuel-efficient and pollution-free vehicles powered by gasoline, electric, hydrogen and other fuels to customers in more than 75 countries around the world. For more information, visit http://www.zapworld.com.

About ArcaEx

Archipelago Holdings (PCX:AX) operates The Archipelago Exchange(SM) (ArcaEx(R)) the first totally open all-electronic stock exchange in the United States. ArcaEx trades all Nasdaq-listed equity securities and exchange listed equity securities, including those listed on the New York Stock ExchangeR, American Stock ExchangeR, and ArcaExR. In addition to offering core execution services, ArcaEx provides corporate clients with listing services and innovative data products. In 2004, Archipelago launched ArcaVision to provide corporate and trading clients with more transparent market data, analytical tools and access to market-wide and ArcaEx specific trading information. Archipelago Holdings completed its initial public offering in August 2004. For more information please visit http://www.arcaex.com.