NxStage Medical Reports Fourth Quarter and Full Year 20...(17811 9900 54081 36584 L...),Health

Loss from operations (17,254) (11,187) (60,084) (41,893)

Other income (expense):

Interest income 506 962 2,855 3,236

Interest expense (646) (186) (1,167) (973)

(140) 776 1,688 2,263

Net loss $(17,394) $(10,411) $(58,396) $(39,630)

Net loss per share - basic and

diluted $(0.47) $(0.37) $(1.86) $(1.60)

Weighted average shares

outstanding, basic and diluted 36,678 27,779 31,426 24,817

NxStage Medical, Inc.

Consolidated Balance Sheets

(amounts in thousands, except per share data)

December 31, December 31,

2007 2006

ASSETS

Current assets:

Cash and cash equivalents $33,245 $49,959

Short-term investments 1,100 11,843

Accounts receivable, net 7,990 4,302

Due from Affiliate 435 -

Inventory 29,965 10,419

Prepaid expenses and other current assets 2,455 1,014

Total current assets 75,190 77,537

Property and equipment, net 12,146 3,026

Field equipment, net 30,885 20,616

Deferred cost of revenues 14,850 140

Intangibles, net 33,801 -

Goodwill
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