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Stock Trading History of Ellsworth Douglas

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 Ellsworth Douglas since year 2005. The trader's CIK number is 1273833. At the time of this reporting, Ellsworth Douglas is the Vice President L:ife Sciences of Altair Nanotechnologies Inc . (stock ticker symbol ALTI). See this page for all insider trading activities at Altair Nanotechnologies Inc .

Stock purchases, sales, and option exercises reported by insider *Ellsworth Douglas* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-03-28	ALTI	Altair Nanotechnologies Inc	Sale	35,000	2.67	93,362
2008-03-27	ALTI	Altair Nanotechnologies Inc	Sale	40,000	2.55	102,000
2008-03-28	ALTI	Altair Nanotechnologies Inc	Option Exercise	60,000	1.14	68,400
2008-03-27	ALTI	Altair Nanotechnologies Inc	Option Exercise	40,000	1.06	42,400

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 Ellsworth Douglas (Vice President L:ife Sciences of Altair Nanotechnologies Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.