VASCO DATA SEC INTL

CUSIP: 92230Y10 Class: COM

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

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

Q4 2015
Shares 12,200 Value ($000) $204 Avg Close — Range —
Q1 2015
Shares 19,500 Value ($000) $420 Avg Close — Range —