DRIL-QUIP INC

CUSIP: 262037104 Class: COM

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q4 2013
Shares 9,490 Value ($000) $1,043 Avg Close — Range —
Q3 2013
Shares 4,900 Value ($000) $562 Avg Close — Range —