Stock Trading History of Simon Melvin I

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 Simon Melvin I since year 2005. The trader's CIK number is 1231853. At the time of this reporting, Simon Melvin I is the Director of Diversa Corp (stock ticker symbol DVSA).

Stock purchases, sales, and option exercises reported by *Simon Melvin I* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-11-15	DVSA	Diversa Corp	Sale	15,000	10.49	157,320
2006-10-20	DVSA	Diversa Corp	Sale	6,231	9.50	59,194
2006-10-17	DVSA	Diversa Corp	Sale	8,769	9.50	83,305
2006-10-12	DVSA	Diversa Corp	Sale	26,821	9.50	254,799
2006-09-05	DVSA	Diversa Corp	Sale	3,179	9.50	30,200
2006-08-08	DVSA	Diversa Corp	Sale	15,000	9.50	142,500
2006-06-29	DVSA	Diversa Corp	Sale	15,000	9.50	142,500
2006-05-05	DVSA	Diversa Corp	Sale	5,328	10.96	58,402
2006-05-08	DVSA	Diversa Corp	Sale	9,672	10.82	104,656

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 Simon Melvin I (Director of Diversa Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.