DRIL-QUIP INC

CUSIP: 262037104 Class: COM

DISCIPLINED GROWTH INVESTORS INC /MN's Holding History (CIK: 0001050442)

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

Q1 2015
Shares 4,381 Value ($000) $300 Avg Close — Range —
Q4 2014
Shares 4,381 Value ($000) $336 Avg Close — Range —
Q3 2014
Shares 4,381 Value ($000) $392 Avg Close — Range —
Q2 2014
Shares 4,381 Value ($000) $479 Avg Close — Range —