HEIDRICK & STRUGGLES

CUSIP: 42281910 Class: COM

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

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

Q3 2016
Shares 51,325 Value ($000) $952 Avg Close — Range —
Q2 2016
Shares 86,274 Value ($000) $1,456 Avg Close — Range —
Q1 2016
Shares 71,255 Value ($000) $1,689 Avg Close — Range —
Q4 2015
Shares 33,203 Value ($000) $904 Avg Close — Range —
Q3 2015
Shares 33,203 Value ($000) $646 Avg Close — Range —