The Archipelago Exchange(SM) (ArcaEx(R)) Announces Dual Listing Of A4S Security, Inc.

The Archipelago Exchange(SM) (ArcaEx(R)), the nation's first totally open, all-electronic stock exchange, today announced that A4S Security, Inc., a developer and distributor of digital video surveillance systems for public transportation and law enforcement, has dually listed on ArcaEx, a facility of the Pacific Exchange under the symbol: SWATU. The dual listing is in conjunction with A4S Security's initial public offering.

"We are pleased to welcome A4S Security to our growing roster of ArcaEx-listed companies," said Sam Long, Managing Director of ArcaEx's Corporate Client Group. "At ArcaEx, a fair and open trading environment designed to foster competition and transparency provides an investor-friendly environment and an ideal-listing venue for companies such as A4S Security."

"As a company seeking to provide investors an open, transparent trading environment, ArcaEx is the perfect exchange to list on," commented Tom Marinelli, CEO of A4S Security, Inc. "We believe our listing on ArcaEx will help us gain exposure and increase recognition across the investment community."

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, a facility of the Pacific Exchange. In addition to its own listings, the exchange trades all NYSE-, Amex- and Nasdaq-listed stocks.