NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

Dorsey & Whitney Trust CO LLC's Holding History (CIK: 0001384042)

Note: Option positions (PUT/CALL) are excluded.

Q4 2013
Shares 10,913 Value ($000) $109 Avg Close — Range —
Q3 2013
Shares 12,513 Value ($000) $165 Avg Close — Range —
Q2 2013
Shares 12,513 Value ($000) $179 Avg Close — Range —