PERSISTENT SYSTEMS LTD

CUSIP: B28SM03 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q1 2015
Shares 98,009 Value ($000) $1,119 Avg Close — Range —
Q4 2014
Shares 305,632 Value ($000) $8,055 Avg Close — Range —
Q3 2014
Shares 438,218 Value ($000) $9,966 Avg Close — Range —
Q2 2014
Shares 495,275 Value ($000) $8,903 Avg Close — Range —
Q1 2014
Shares 507,226 Value ($000) $8,913 Avg Close — Range —
Q4 2013
Shares 132,933 Value ($000) $2,102 Avg Close — Range —