QUINSTREET INC

Ticker: QNST CUSIP: 74874Q100 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2018

Shares 331,624 Value ($000) $5,382 Avg Close $15.04 Range $12.48 - $17.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	331,624	$5,382	$15.04	$12.48 - $17.75