NxStage Announces Second Quarter 2010 Investor Conference Schedule

Tuesday May 25, 2010

LAWRENCE, Mass., May 25, 2010 /PRNewswire via COMTEX/ –NxStage Medical, Inc. (Nasdaq: NXTM), a leading manufacturer of innovative dialysis products, today announced that Jeffrey H. Burbank, Chief Executive Officer and Robert Brown, Chief Financial Officer, will participate in the following schedule of investor conferences. A webcast of the event will be made available at http://www.nxstage.com/ir.cfm at the time of each conference.

Jefferies 2010 Global Life Sciences Conference

New York, NY

Thursday, June 10, 2010

4:00 p.m. ET

William Blair Growth Stock Conference

Chicago, IL

Four Seasons Hotel

Tuesday, June 15, 2010

7:30 a.m. CT

About NxStage Medical

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 http://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 Messrs. Burbank and Brown’s plans to present at these conferences. 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.