NATUS MEDICAL INC DEL

CUSIP: 639050103 Class: COM

SHEPHERD KAPLAN KROCHUK, LLC's Holding History (CIK: 0001218583)

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

Q4 2014
Shares 14,500 Value ($000) $522 Avg Close — Range —
Q3 2014
Shares 44,000 Value ($000) $1,298 Avg Close — Range —
Q2 2014
Shares 58,000 Value ($000) $1,458 Avg Close — Range —
Q1 2014
Shares 75,723 Value ($000) $1,953 Avg Close — Range —
Q4 2013
Shares 92,723 Value ($000) $2,086 Avg Close — Range —
Q3 2013
Shares 112,000 Value ($000) $1,588 Avg Close — Range —
Q2 2013
Shares 126,000 Value ($000) $1,720 Avg Close — Range —