BUILDERS FIRSTSOURCE

CUSIP: 12008R10 Class: COM

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

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

Q4 2015
Shares 427,799 Value ($000) $4,740 Avg Close — Range —
Q3 2015
Shares 224,800 Value ($000) $2,850 Avg Close — Range —
Q4 2013
Shares 132,040 Value ($000) $943 Avg Close — Range —