SAN FRANCISCO, Nov 03, 2005 /PRNewswire-FirstCall via COMTEX News Network/ -- The Pacific Exchange, Inc. ("PCX") announced that at the opening of business on Thursday, November 3, 2005, it will commence trading options on the following equity securities: BioCryst Pharmaceuticals, Inc. (PCX: BCRX); Energy Select Sector SPDR Fund (PCX: XLE); IShares MSCI EAFE Index Fund (PCX: EFA); MICROS Systems, Inc. (PCX: MCRS); Pike Electric Corp. (PCX: PEC); Rio Tinto PLC - S.A. (PCX: RTP); Ruth's Chris Steak House, Inc. (PCX: RUTH).

BioCryst Pharmaceuticals options will trade on the January expiration cycle with exercise limits set at 25,000,000 shares. The issue will be traded by lead market makers Ross Goodheart, Ken Keating and Barterv Vartanian of Group One Trading, LP.

Energy Select Sector SPDR Fund options will trade on the March expiration cycle with exercise limits set at 25,000,000 shares. The issue will be traded by lead market makers Mark Krommenhoek and Julia Julia Overs of Citigroup Derivatives Markets, Inc.

IShares MSCI EAFE Index Fund options will trade on the March expiration cycle with exercise limits set at 60,000,000 shares through December 2005 expiration and 20,000,000 shares after December 2005 expiration. The issue will be traded by lead market makers Joshua Reider and Marcus Nilsson of Citadel Derivative Group, LLC.

MICROS Systems options will trade on the March expiration cycle with exercise limits set at 7,500,000 shares. The issue will be traded by lead market makers Ross Goodheart, Ken Keating and Barterv Vartanian of Group One Trading, LP.

Pike Electric options will trade on the February expiration cycle with exercise limits set at 5,000,000 shares. The issue will be traded by lead market makers Ross Goodheart, Ken Keating and Barterv Vartanian of Group One Trading, LP.

Rio Tinto options will trade on the January expiration cycle with exercise limits set at 5,000,000 shares. The issue will be traded by lead market makers Ross Goodheart, Ken Keating and Barterv Vartanian of Group One Trading, LP.

Ruth's Chris Steak House options will trade on the February expiration cycle with exercise limits set at 5,000,000 shares. The issue will be traded by lead market makers Ross Goodheart, Ken Keating and Barterv Vartanian of Group One Trading, LP.

Forward-Looking Statements

Certain statements in this press release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on Archipelago's current expectations and involve risks and uncertainties that could cause Archipelago's actual results to differ materially from those set forth in the statements. There can be no assurance that such expectations will prove to be correct. Factors that could cause Archipelago's results to differ materially from current expectations include: general economic and business conditions, industry trends, competitive conditions, regulatory developments as well as other risks or factors identified in the Company's filings with the Securities Exchange Commission, including its Report on Form 10-K for the fiscal year ending December 31, 2004 which is available on the Company's website at http://www.archipelago.com. You should not place undue reliance on forward-looking statements, which speak only as of the date of this press release. Except for any obligation to disclose material information under the Federal securities laws, Archipelago undertakes no obligation to release publicly any revisions to any forward-looking statements to reflect events or circumstances after the date of this press release.

For more information contact Todd Swearingen, (312) 442-7747. tswearingen@archipelago.com

SOURCE Arcaex

Todd Swearingen, +1-312-442-7747, or tswearingen@archipelago.com