NxStage to Present at the Cowen and Company 29th Annual Healthcare Conference

Tuesday March 10, 2009

LAWRENCE, Mass., March 10 /PRNewswire-FirstCall/ — NxStage Medical, Inc. (Nasdaq: NXTM), a leading manufacturer of innovative dialysis products, today announced that Jeffrey H. Burbank, Chief Executive Officer, will be presenting at the Cowen and Company 29th Annual Healthcare Conference on Monday, March 16, 2009 at the Marriot Copley Place in Boston, MA.

NxStage’s investor presentation is scheduled for Monday, March 16th at 4:40 p.m. ET. To listen to the audio webcast of the presentation, please visit: http://www.nxstage.com/ir.cfm.

About NxStage

NxStage Medical, Inc. (Nasdaq: NXTM) is a medical device company, headquartered in Lawrence, Massachusetts, USA, that develops, manufactures and markets innovative products for the treatment of end-stage renal disease, or ESRD, and acute kidney failure. For more information on NxStage and its products, please visit the company’s website at www.nxstage.com

Forward-Looking Statements

This release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this release that are not clearly historical in nature are forward-looking, and the words anticipate, believe, expect, estimate, plan, and similar expressions are generally intended to identify forward-looking statements. Examples of these forward-looking statements include statements as to Mr. Burbank’s plans to present at this conference. NxStage specifically disclaims any obligation to update these forward-looking statements. These forward-looking statements should not be relied upon as representing NxStage’s expectations or beliefs as of any date subsequent to the date of this press release.

Contact:
Kristen K. Sheppard, Esq.
Investor Relations
ksheppard@nxstage.com

SOURCE NxStage Medical, Inc.
Web Site: http://www.nxstage.com/