Stock Trading History of Cumpston William R

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 Cumpston William R since year 2005. The trader's CIK number is 1398342. At the time of this reporting, Cumpston William R is the VP, Systems Engineering of Infinera Corp (stock ticker symbol INFN).

Stock purchases, sales, and option exercises reported by *Cumpston William R* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-12-31	INFN	Infinera Corp	Sale	5,000	15.00	75,000
2007-12-31	INFN	Infinera Corp	Option Exercise	5,000	2.00	10,000
2007-12-17	INFN	Infinera Corp	Sale	2,500	16.86	42,152
2007-12-17	INFN	Infinera Corp	Option Exercise	2,500	2.00	5,000
2007-12-10	INFN	Infinera Corp	Sale	2,500	19.04	47,590
2007-12-10	INFN	Infinera Corp	Option Exercise	2,500	2.00	5,000
2007-12-05	INFN	Infinera Corp	Sale	10,500	19.75	207,421
2007-12-05	INFN	Infinera Corp	Option Exercise	10,500	2.00	21,000

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 Cumpston William R (VP, Systems Engineering of Infinera Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.