DRIL-QUIP INC

CUSIP: 262037104 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q3 2013
Shares 62,111 Value ($000) $7,127 Avg Close — Range —
Q2 2013
Shares 63,968 Value ($000) $5,776 Avg Close — Range —