NATUS MEDICAL INC DEL

CUSIP: 639050103 Class: COM

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q1 2015
Shares 5,200 Value ($000) $205 Avg Close — Range —
Q4 2014
Shares 19,416 Value ($000) $700 Avg Close — Range —
Q3 2014
Shares 13,800 Value ($000) $407 Avg Close — Range —
Q2 2014
Shares 13,800 Value ($000) $347 Avg Close — Range —
Q1 2014
Shares 13,800 Value ($000) $356 Avg Close — Range —
Q4 2013
Shares 13,800 Value ($000) $311 Avg Close — Range —
Q3 2013
Shares 22,300 Value ($000) $316 Avg Close — Range —