Stock Trading History of Beck John W

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 Beck John W since year 2005. The trader's CIK number is 1292404. At the time of this reporting, Beck John W is the Chief Financial Officer of Metabasis Therapeutics Inc (stock ticker symbol MBRX).

Stock purchases, sales, and option exercises reported by *Beck John W* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-06-19	MBRX	Metabasis Therapeutics Inc	Sale	3,400	8.05	27,376
2007-06-01	MBRX	Metabasis Therapeutics Inc	Sale	10,035	8.00	80,330
2007-05-22	MBRX	Metabasis Therapeutics Inc	Sale	300	8.00	2,400
2007-04-25	MBRX	Metabasis Therapeutics Inc	Sale	3,300	8.13	26,829
2007-04-09	MBRX	Metabasis Therapeutics Inc	Sale	1,828	8.00	14,624
2007-04-10	MBRX	Metabasis Therapeutics Inc	Sale	6,172	8.00	49,376
2006-03-01	MBRX	Metabasis Therapeutics Inc	Sale	1,000	8.00	8,000
2007-02-26	MBRX	Metabasis Therapeutics Inc	Sale	3,300	8.00	26,400
2006-12-05	MBRX	Metabasis Therapeutics Inc	Sale	9,000	8.00	72,000
2006-11-27	MBRX	Metabasis Therapeutics Inc	Sale	500	8.01	4,005
2006-11-08	MBRX	Metabasis Therapeutics Inc	Sale	9,000	8.00	72,000

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 Beck John W (Chief Financial Officer of Metabasis Therapeutics Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.