Stock Trading History of Goldby Steven D

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 Goldby Steven D since year 2005. The trader's CIK number is 1216626. At the time of this reporting, Goldby Steven D is the Chairman and CEO of Symyx Technologies Inc (stock ticker symbol SMMX).

Stock purchases, sales, and option exercises reported by *Goldby Steven D* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-11-02	SMMX	Symyx Technologies Inc	Option Exercise	20,000	.96	19,280
2006-11-02	SMMX	Symyx Technologies Inc	Sale	18,305	24.17	442,495
2006-11-03	SMMX	Symyx Technologies Inc	Sale	1,695	24.07	40,798
2006-08-01	SMMX	Symyx Technologies Inc	Sale	10,000	23.70	236,971
2006-08-01	SMMX	Symyx Technologies Inc	Sale	10,000	23.70	236,971
2006-05-01	SMMX	Symyx Technologies Inc	Sale	9,514	29.32	278,965
2006-05-02	SMMX	Symyx Technologies Inc	Sale	10,486	29.31	307,317
2006-02-15	SMMX	Symyx Technologies Inc	Sale	10,000	26.29	262,920
2006-02-16	SMMX	Symyx Technologies Inc	Sale	10,000	27.07	270,675
2005-11-02	SMMX	Symyx Technologies Inc	Sale	11,429	26.47	302,525
2005-11-01	SMMX	Symyx Technologies Inc	Sale	8,571	26.26	225,048
2005-08-11	SMMX	Symyx Technologies Inc	Sale	3,772	28.57	107,754
2005-08-10	SMMX	Symyx Technologies Inc	Sale	6,744	28.89	194,840
2005-08-03	SMMX	Symyx Technologies Inc	Sale	4,911	29.58	145,247
2005-08-02	SMMX	Symyx Technologies Inc	Sale	4,573	29.82	136,348
2005-05-13	SMMX	Symyx Technologies Inc	Sale	5,914	24.83	146,868
2005-05-10	SMMX	Symyx Technologies Inc	Sale	6,029	26.03	156,922
2005-05-04	SMMX	Symyx Technologies Inc	Sale	7,807	25.41	198,391

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 Goldby Steven D (Chairman and CEO of Symyx Technologies Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.