Stock Trading History of Snider William

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 Snider William since year 2005. The trader's CIK number is 1340831. At the time of this reporting, Snider William is the Director of Alpha Innotech Corp (stock ticker symbol APNO).

Stock purchases, sales, and option exercises reported by *Snider William* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-05-21	APNO	Alpha Innotech Corp	Purchase	22,000	1.04	22,880
2007-03-09	APNO	Alpha Innotech Corp	Purchase	5,500	.98	5,390
2006-12-04	APNO	Alpha Innotech Corp	Purchase	10,000	.89	8,900
2006-09-14	APNO	Alpha Innotech Corp	Purchase	205,000	.86	176,300
2006-08-25	APNO	Alpha Innotech Corp	Purchase	17,500	1.03	17,981
2006-08-23	APNO	Alpha Innotech Corp	Purchase	2,500	1.00	2,500
2006-04-13	APNO	Alpha Innotech Corp	Sale	4,746	1.70	8,068

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 Snider William (Director of Alpha Innotech Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.