NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

RR Advisors, LLC's Holding History (CIK: 0001322613)

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

Q3 2013
Shares 3,000 Value ($000) $234 Avg Close — Range —
Q2 2013
Shares 3,000 Value ($000) $207 Avg Close — Range —