QUINSTREET INC

Ticker: QNST CUSIP: 74874Q100 Class: Common Stock

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2015
Shares 1,028,996 Value ($000) $4,414 Avg Close $5.22 Range $4.23 - $6.30
Q3 2015
Shares 1,039,195 Value ($000) $5,768 Avg Close $5.86 Range $4.87 - $6.82
Q2 2015
Shares 1,040,373 Value ($000) $6,710 Avg Close $5.89 Range $5.06 - $6.66
Q1 2015
Shares 1,037,373 Value ($000) $6,172 Avg Close $6.11 Range $5.01 - $6.83
Q4 2014
Shares 1,802,809 Value ($000) $10,943 Avg Close $4.58 Range $3.78 - $6.09
Q3 2014
Shares 2,688,304 Value ($000) $11,156 Avg Close $4.92 Range $4.10 - $6.09
Q2 2014
Shares 2,778,414 Value ($000) $15,309 Avg Close $5.77 Range $5.10 - $6.72
Q1 2014
Shares 3,305,211 Value ($000) $21,947 Avg Close $7.40 Range $6.02 - $9.09
Q4 2013
Shares 3,851,176 Value ($000) $33,467 Avg Close $8.86 Range $8.00 - $9.62
Q3 2013
Shares 4,098,078 Value ($000) $38,686 Avg Close $9.19 Range $8.40 - $9.71
Q2 2013
Shares 4,110,600 Value ($000) $35,474 Avg Close $7.12 Range $5.76 - $8.74