VANGUARD NAT RES LLC

CUSIP: 92205F106 Class: CMN

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2014
Shares 17,615 Value ($000) $265 Avg Close — Range —
Q3 2014
Shares 21,285 Value ($000) $584 Avg Close — Range —
Q2 2014
Shares 18,815 Value ($000) $605 Avg Close — Range —
Q1 2014
Shares 18,990 Value ($000) $565 Avg Close — Range —
Q4 2013
Shares 19,390 Value ($000) $572 Avg Close — Range —
Q3 2013
Shares 19,990 Value ($000) $559 Avg Close — Range —
Q2 2013
Shares 19,990 Value ($000) $557 Avg Close — Range —