Stock Trading History of Tomlinson Steffan

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Tomlinson Steffan since year 2005. The trader's CIK number is 1393402. At the time of this reporting, Tomlinson Steffan is the Chief Financial Officer of Aruba Networks, Inc. (stock ticker symbol ARUN).

Stock purchases, sales, and option exercises reported by insider *Tomlinson Steffan* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-02-08	ARUN	Aruba Networks, Inc.	Option Exercise	100,000	1.25	125,000
2008-01-15	ARUN	Aruba Networks, Inc.	Sale	17,875	11.09	198,233
2008-01-15	ARUN	Aruba Networks, Inc.	Option Exercise	17,875	1.25	22,343
2007-12-19	ARUN	Aruba Networks, Inc.	Option Exercise	12,750	1.25	15,937
2007-11-27	ARUN	Aruba Networks, Inc.	Option Exercise	583	1.25	728
2007-10-23	ARUN	Aruba Networks, Inc.	Sale	14,250	19.94	284,183
2007-09-25	ARUN	Aruba Networks, Inc.	Sale	14,250	17.42	248,163

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Tomlinson Steffan (Chief Financial Officer of Aruba Networks, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.