NATUS MEDICAL INC DEL

CUSIP: 639050103 Class: COM

WHITTIER TRUST CO OF NEVADA INC's Holding History (CIK: 0001263548)

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

Q3 2013
Shares 2,800 Value ($000) $40 Avg Close — Range —
Q2 2013
Shares 2,800 Value ($000) $38 Avg Close — Range —