NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

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

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

Q2 2013
Shares 3,500 Value ($000) $241 Avg Close — Range —