NANOSTRING TECHNOLOGIES INC

CUSIP: 63009R109 Class: Common Stock

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q4 2014
Shares 402,463 Value ($000) $5,606 Avg Close — Range —
Q3 2014
Shares 389,554 Value ($000) $4,262 Avg Close — Range —
Q2 2014
Shares 346,254 Value ($000) $5,176 Avg Close — Range —
Q1 2014
Shares 347,822 Value ($000) $7,183 Avg Close — Range —
Q4 2013
Shares 362,162 Value ($000) $6,244 Avg Close — Range —
Q3 2013
Shares 383,212 Value ($000) $4,215 Avg Close — Range —
Q2 2013
Shares 300,765 Value ($000) $2,406 Avg Close — Range —