WESTERN GAS PARTNERS LP

CUSIP: 958254104 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2017
Shares 39,600 Value ($000) $2,031 Avg Close — Range —
Q2 2017
Shares 18,000 Value ($000) $1,007 Avg Close — Range —