Stock Trading History of Credit Suisse/

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 Credit Suisse/ since year 2005. The trader's CIK number is 824468. At the time of this reporting, Credit Suisse/ is the 10% Owner of Nxstage Medical, Inc. . (stock ticker symbol NXTM). See this page for all insider trading activities at Nxstage Medical, Inc. .
Note that in the past CREDIT SUISSE/ also reported insider trading activities as an insider of the following companies:

Stock purchases, sales, and option exercises reported by insider *Credit Suisse/* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-08-01	NXTM	Nxstage Medical, Inc.	Purchase	1,022,222	4.50	4,599,999
2008-06-17	ROC	Rockwood Holdings, Inc.	Sale	2,149,842	38.60	82,983,901
2008-04-16	MBRX	Metabasis Therapeutics Inc	Purchase	196,633	2.34	460,121
2007-12-07	ROC	Rockwood Holdings, Inc.	Sale	27,810	34.00	945,540
2007-11-16	ROC	Rockwood Holdings, Inc.	Sale	2,203,974	34.00	74,935,116
2007-07-09	CVLT	Commvault Systems Inc	Sale	10,733	18.06	193,837
2007-06-29	ISTA	Ista Pharmaceuticals Inc	Purchase	928,570	7.00	6,499,990
2007-06-19	CVLT	Commvault Systems Inc	Sale	8,742,329	16.07	140,489,227
2007-06-21	PINN	Pinnacle Gas Resources, Inc.	Sale	166,382	9.00	1,497,438
2006-11-03	MBRX	Metabasis Therapeutics Inc	Purchase	527,000	7.17	3,776,323
2006-06-09	NXTM	Nxstage Medical, Inc.	Purchase	350,000	8.75	3,062,500
2006-03-15	AMCP	Amcomp Inc /fl	Sale	31,844	8.37	266,534
2006-02-15	AMCP	Amcomp Inc /fl	Sale	677,511	8.37	5,670,767
2005-12-14	BAS	Basic Energy Services Inc	Sale	7,426,856	18.70	138,882,207
2005-10-27	NXTM	Nxstage Medical, Inc.	Purchase	187,035	10.00	1,870,350
2005-08-16	RFX	Refco Inc.	Sale	85,052	20.68	1,758,875
2005-09-30	MBRX	Metabasis Therapeutics Inc	Purchase	341,297	5.86	2,000,000
2005-08-23	ADZA	Adeza Biomedical Corp	Sale	89,603	15.87	1,422,178
2005-07-06	RNAI	Sirna Therapeutics Inc	Purchase	3,046,875	1.60	4,875,000
2005-07-07	AMIS	Amis Holdings Inc	Sale	28,800	14.06	405,072
2005-03-11	AMIS	Amis Holdings Inc	Purchase	400	11.52	4,608

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 Credit Suisse/ (10% Owner of Nxstage Medical, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.