COMPASS MINERALS INTL INC

Ticker: CMP CUSIP: 20451N101 Class: Common Stock

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q2 2015

Shares 9,127 Value ($000) $750 Avg Close $63.39 Range $59.23 - $68.67

Q1 2015

Shares 284,363 Value ($000) $26,505 Avg Close $65.22 Range $60.90 - $68.52

Q4 2014

Shares 239,144 Value ($000) $20,765 Avg Close $60.85 Range $55.96 - $66.04

Q3 2014

Shares 179,861 Value ($000) $15,159 Avg Close $63.23 Range $59.25 - $68.53

Q2 2014

Shares 60,115 Value ($000) $5,755 Avg Close $63.15 Range $57.57 - $67.35

Q1 2014

Shares 294,512 Value ($000) $24,303 Avg Close $57.46 Range $53.12 - $61.48

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	9,127	$750	$63.39	$59.23 - $68.67
Q1 2015	284,363	$26,505	$65.22	$60.90 - $68.52
Q4 2014	239,144	$20,765	$60.85	$55.96 - $66.04
Q3 2014	179,861	$15,159	$63.23	$59.25 - $68.53
Q2 2014	60,115	$5,755	$63.15	$57.57 - $67.35
Q1 2014	294,512	$24,303	$57.46	$53.12 - $61.48