Stock Trading History of Berkowitz Mortimer Iii

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 Berkowitz Mortimer Iii since year 2005. The trader's CIK number is 1364333. At the time of this reporting, Berkowitz Mortimer Iii is the Director of Alphatec Holdings, Inc. (stock ticker symbol ATEC).

Stock purchases, sales, and option exercises reported by *Berkowitz Mortimer Iii* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-09-26	ATEC	Alphatec Holdings, Inc.	Purchase	2,750,000	3.45	9,487,500
2007-06-14	ATEC	Alphatec Holdings, Inc.	Purchase	4,200	3.60	15,120
2006-08-10	ATEC	Alphatec Holdings, Inc.	Purchase	200	5.49	1,098
2006-08-11	ATEC	Alphatec Holdings, Inc.	Purchase	1,800	5.89	10,609
2006-08-10	ATEC	Alphatec Holdings, Inc.	Purchase	200	5.49	1,098
2006-08-11	ATEC	Alphatec Holdings, Inc.	Purchase	1,800	5.89	10,609

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 Berkowitz Mortimer Iii (Director of Alphatec Holdings, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.