CELANESE CORP DEL

Ticker: CE CUSIP: 150870103 Class: COM

Robeco Schweiz AG's Holding History (CIK: 0001418427)

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

Q1 2015

Shares 60,120 Value ($000) $3,377 Avg Close $45.93 Range $42.55 - $49.06

Q4 2014

Shares 85,200 Value ($000) $5,149 Avg Close $47.26 Range $39.83 - $51.22

Q3 2014

Shares 82,093 Value ($000) $4,908 Avg Close $49.55 Range $46.40 - $53.25

Q2 2014

Shares 55,215 Value ($000) $3,537 Avg Close $48.63 Range $43.54 - $52.30

Q1 2014

Shares 33,380 Value ($000) $1,801 Avg Close $42.51 Range $38.85 - $44.92

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	60,120	$3,377	$45.93	$42.55 - $49.06
Q4 2014	85,200	$5,149	$47.26	$39.83 - $51.22
Q3 2014	82,093	$4,908	$49.55	$46.40 - $53.25
Q2 2014	55,215	$3,537	$48.63	$43.54 - $52.30
Q1 2014	33,380	$1,801	$42.51	$38.85 - $44.92