SOURCE: Pacific Exchange Inc.

September 19, 2005 13:49 ET

Pacific Exchange to Trade Six New Options

SAN FRANCISCO, CA -- (MARKET WIRE) -- September 19, 2005 -- The Pacific Exchange (PCX) announced that on Tuesday, September 20, 2005, it will begin trading options on Cal Dive International, Inc. (PCX: CDIS); Grey Wolf, Inc. (PCX: GW); Petro-Canada (PCX: PCZ); Questar Corp. (PCX: STR); SIRF Technology, Inc. (PCX: SIRF); and Temnur-Pedic International, Inc. (PCX: TPX).

Cal Dive options will trade on the March expiration cycle with exercise limits set at 7,500,000 shares.

Grey Wolf options will trade on the March expiration cycle with exercise limits set at 25,000,000 shares.

Petro-Canada options will trade on the March expiration cycle with exercise limits set at 10,000,000 shares through the March 2006 expiration, and 5,000,000 shares thereafter.

Questar options will trade on the January expiration cycle with exercise limits set at 7,500,000 shares.

SIRF Technology options will trade on the March expiration cycle with exercise limits set at 7,500,000 shares.

Temnur-Pedic options will trade on the March expiration cycle with exercise limits set at 25,000,000 shares.

All six issues will be traded by lead market makers Mark Krommenhoek and Julia Overs of Citigroup Derivatives Markets, Inc.

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