DRIL-QUIP INC

CUSIP: 262037104 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q2 2016
Shares 6,900 Value ($000) $403 Avg Close — Range —
Q1 2016
Shares 6,900 Value ($000) $418 Avg Close — Range —
Q4 2015
Shares 6,900 Value ($000) $409 Avg Close — Range —
Q3 2015
Shares 6,900 Value ($000) $402 Avg Close — Range —
Q2 2015
Shares 6,900 Value ($000) $519 Avg Close — Range —
Q1 2015
Shares 6,900 Value ($000) $472 Avg Close — Range —
Q4 2014
Shares 6,900 Value ($000) $529 Avg Close — Range —
Q3 2014
Shares 6,900 Value ($000) $773 Avg Close — Range —
Q2 2014
Shares 6,900 Value ($000) $754 Avg Close — Range —
Q1 2014
Shares 6,900 Value ($000) $773 Avg Close — Range —
Q4 2013
Shares 6,900 Value ($000) $759 Avg Close — Range —
Q3 2013
Shares 6,900 Value ($000) $617 Avg Close — Range —
Q2 2013
Shares 8,200 Value ($000) $740 Avg Close — Range —