NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

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

Q1 2014
Shares 47,500 Value ($000) $3,699 Avg Close — Range —
Q4 2013
Shares 47,500 Value ($000) $3,778 Avg Close — Range —