PHLX To Begin Trading Options On Marimba, Inc. (MRU/MRBA)

The Philadelphia Stock Exchange (PHLX) is pleased to announce that it will begin trading put and call options on Marimba, Inc. (option/stock symbol: MRU/MRBA), upon the opening of business on Wednesday, November 3, 1999. Options on Marimba, Inc. will trade on the March expiration cycle with initial expiration months of December, January, March, and June. Opening strike prices will be 25, 30, and 35. In addition, TFM Investment Group will be offering an automatic execution (AUTO-X) of up to 20 contracts for orders executed through AUTOM, PHLX's automatic execution system for equity and sectors index options. The PHLX is the first securities exchange in the U.S. and the nation's fastest growing sectors index options exchange. Founded in 1790, PHLX is a market leader in the trading of over 2600 stocks, 930 equity options, 13 sector index options, and 100 currency pairs. For additional information on PHLX's products, trade data, and market information, browse PHLX's Web site at www.phlx.com.