KNOWLES CORP

Ticker: KN CUSIP: 49926D109 Class: EQTY

Boston Partners's Holding History (CIK: 0001386060)

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

Q1 2015

Shares 1,054,385 Value ($000) $20,318 Avg Close $20.85 Range $17.09 - $24.97

Q4 2014

Shares 968,118 Value ($000) $22,799 Avg Close $20.69 Range $17.23 - $26.38

Q3 2014

Shares 890,972 Value ($000) $23,611 Avg Close $30.52 Range $25.62 - $33.82

Q2 2014

Shares 834,716 Value ($000) $25,660 Avg Close $30.24 Range $27.55 - $32.61

Q1 2014

Shares 2,545,584 Value ($000) $80,364 Avg Close $30.49 Range $27.58 - $33.66

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	1,054,385	$20,318	$20.85	$17.09 - $24.97
Q4 2014	968,118	$22,799	$20.69	$17.23 - $26.38
Q3 2014	890,972	$23,611	$30.52	$25.62 - $33.82
Q2 2014	834,716	$25,660	$30.24	$27.55 - $32.61
Q1 2014	2,545,584	$80,364	$30.49	$27.58 - $33.66