COMPASS MINERALS INTL INC

Ticker: CMP CUSIP: 20451N101 Class: Common Stock

NATIXIS ADVISORS, L.P.'s Holding History (CIK: 0001018331)

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

Q2 2014

Shares 4,121 Value ($000) $395 Avg Close $63.15 Range $57.57 - $67.35

Q1 2014

Shares 4,420 Value ($000) $365 Avg Close $57.46 Range $53.12 - $61.48

Q4 2013

Shares 2,675 Value ($000) $214 Avg Close $51.71 Range $48.78 - $56.70

Q2 2013

Shares 3,184 Value ($000) $269 Avg Close $57.41 Range $51.74 - $61.58

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	4,121	$395	$63.15	$57.57 - $67.35
Q1 2014	4,420	$365	$57.46	$53.12 - $61.48
Q4 2013	2,675	$214	$51.71	$48.78 - $56.70
Q2 2013	3,184	$269	$57.41	$51.74 - $61.58