CELANESE CORP DEL

Ticker: CE CUSIP: 150870103 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2014

Shares 172,883 Value ($000) $10,366 Avg Close $47.26 Range $39.83 - $51.22

Q3 2014

Shares 175,793 Value ($000) $10,287 Avg Close $49.55 Range $46.40 - $53.25

Q2 2014

Shares 169,216 Value ($000) $10,877 Avg Close $48.63 Range $43.54 - $52.30

Q1 2014

Shares 181,806 Value ($000) $10,092 Avg Close $42.51 Range $38.85 - $44.92

Q4 2013

Shares 960,540 Value ($000) $53,127 Avg Close $44.10 Range $40.66 - $46.49

Q3 2013

Shares 1,071,680 Value ($000) $56,574 Avg Close $38.84 Range $35.19 - $42.08

Q2 2013

Shares 1,106,180 Value ($000) $49,557 Avg Close $37.17 Range $32.80 - $40.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	172,883	$10,366	$47.26	$39.83 - $51.22
Q3 2014	175,793	$10,287	$49.55	$46.40 - $53.25
Q2 2014	169,216	$10,877	$48.63	$43.54 - $52.30
Q1 2014	181,806	$10,092	$42.51	$38.85 - $44.92
Q4 2013	960,540	$53,127	$44.10	$40.66 - $46.49
Q3 2013	1,071,680	$56,574	$38.84	$35.19 - $42.08
Q2 2013	1,106,180	$49,557	$37.17	$32.80 - $40.80