NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

MASSACHUSETTS MUTUAL LIFE INSURANCE CO's Holding History (CIK: 0000225602)

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

Q3 2013
Shares 12,800 Value ($000) $999 Avg Close — Range —
Q2 2013
Shares 8,006 Value ($000) $552 Avg Close — Range —