WESCO AIRCRAFT HLDGS INC

CUSIP: 950814103 Class: COMMON STOCK

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q1 2015
Shares 379,600 Value ($000) $5,815 Avg Close — Range —
Q4 2014
Shares 2,980,408 Value ($000) $41,666 Avg Close — Range —
Q3 2014
Shares 2,309,200 Value ($000) $40,180 Avg Close — Range —
Q2 2014
Shares 1,309,200 Value ($000) $26,132 Avg Close — Range —
Q1 2014
Shares 1,309,200 Value ($000) $28,815 Avg Close — Range —
Q4 2013
Shares 1,309,200 Value ($000) $28,750 Avg Close — Range —
Q3 2013
Shares 1,309,200 Value ($000) $27,402 Avg Close — Range —
Q2 2013
Shares 1,309,200 Value ($000) $24,312 Avg Close — Range —
Q1 2013
Shares 1,309,200 Value ($000) $19,271 Avg Close — Range —