| SC 13G/A | 2011-02-14 | ADAGE CAPITAL PARTNERS GP LLC | Celanese CORP | 5,030,618 | 3.2% | EDGAR |
| SC 13G | 2011-02-11 | AMERIPRISE FINANCIAL INC | Celanese CORP | 9,019,038 | 5.8% | EDGAR |
| SC 13G | 2011-02-09 | Capital Research Global Investors | Celanese CORP | 7,985,000 | 5.1% | EDGAR |
| SC 13G | 2011-02-03 | BlackRock Inc. | Celanese CORP | 8,793,927 | 5.6% | EDGAR |
| SC 13G/A | 2010-07-08 | BlackRock Inc. | Celanese CORP | 7,766,798 | 5.0% | EDGAR |
| SC 13G/A | 2010-06-10 | BANK OF AMERICA CORP /DE/ | Celanese CORP | 10 | - | EDGAR |
| SC 13G/A | 2010-02-16 | FMR LLC | Celanese CORP | 21,607,154 | 14.6% | EDGAR |
| SC 13G/A | 2010-02-16 | ADAGE CAPITAL PARTNERS GP LLC | Celanese CORP | 7,329,610 | 5.1% | EDGAR |
| SC 13G/A | 2010-02-12 | WELLINGTON MANAGEMENT CO LLP | Celanese CORP | 1,033 | 0.0% | EDGAR |
| SC 13G/A | 2010-02-11 | UBS GLOBAL ASSET MANAGEMENT AMERICAS INC | Celanese CORP | 136,713 | 0.1% | EDGAR |
| SC 13G/A | 2010-02-01 | BANK OF AMERICA CORP /DE/ | Celanese CORP | 9,278,583 | 6.5% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | Celanese CORP | 12,845,921 | 8.9% | EDGAR |
| SC 13G/A | 2009-02-17 | FMR LLC | Celanese CORP | 23,047,212 | 15.6% | EDGAR |
| SC 13G | 2009-02-17 | WELLINGTON MANAGEMENT CO LLP | Celanese CORP | 7,579,698 | 5.3% | EDGAR |
| SC 13G/A | 2009-02-12 | BANK OF AMERICA CORP /DE/ | Celanese CORP | 8,749,475 | 6.2% | EDGAR |
| SC 13G | 2009-02-10 | UBS GLOBAL ASSET MANAGEMENT AMERICAS INC | Celanese CORP | 9,911,119 | 6.9% | EDGAR |
| SC 13G/A | 2009-02-04 | ADAGE CAPITAL PARTNERS GP LLC | Celanese CORP | 13,588,774 | 10.1% | EDGAR |
| SC 13G/A | 2009-02-03 | BANK OF AMERICA CORP /DE/ | Celanese CORP | 10 | - | EDGAR |
| SC 13G | 2008-10-14 | ADAGE CAPITAL PARTNERS GP LLC | Celanese CORP | 10,824,134 | 7.2% | EDGAR |
| SC 13G/A | 2008-02-14 | FMR LLC | Celanese CORP | 23,132,675 | 14.9% | EDGAR |