# EDGAR Filing Document

**Accession Number:** 0001620412
**File Stem:** 0001306830-26-000075
**Filing Date:** 2026-4
**Character Count:** 8716
**Document Hash:** 1f0b0f0b72e6011e43c5c5cc1cdded8d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001306830-26-000075.hdr.sgml**: 20260428

**ACCESSION NUMBER**: 0001306830-26-000075

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260420

**FILED AS OF DATE**: 20260428

**DATE AS OF CHANGE**: 20260428

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Noonan Anne P
- **CENTRAL INDEX KEY:** 0001620412

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-32410
- **FILM NUMBER:** 26907692

**MAIL ADDRESS:**
- **STREET 1:** 25435 HARVARD RD
- **CITY:** BEACHWOOD
- **STATE:** OH
- **ZIP:** 44122
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Celanese Corp
- **CENTRAL INDEX KEY:** 0001306830
- **STANDARD INDUSTRIAL CLASSIFICATION:** PLASTIC MATERIAL, SYNTH RESIN/RUBBER, CELLULOS (NO GLASS) [2820]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 980420726
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 222 W. LAS COLINAS BLVD., SUITE 900N
- **CITY:** IRVING
- **STATE:** TX
- **ZIP:** 75039-5421
- **BUSINESS PHONE:** 972-443-4000

**MAIL ADDRESS:**
- **STREET 1:** 222 W. LAS COLINAS BLVD., SUITE 900N
- **CITY:** IRVING
- **STATE:** TX
- **ZIP:** 75039-5421

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Celanese CORP
- **DATE OF NAME CHANGE:** 20041102

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Blackstone Crystal Holdings Capital Partners (Cayman) IV Ltd.
- **DATE OF NAME CHANGE:** 20041022

## Ex-24

```

LIMITED POWER OF ATTORNEY                                       Exhibit 24

Know all by these presents that the undersigned hereby makes, constitutes
and appoints Ashley B. Duffie, Blake Feikema, Adam R. Santosuosso, and
Christine Dryden signing singly, as the undersigned's true and lawful
attorney-in-fact, with full power and authority as hereinafter described
on behalf of and in the name, place and stead of the undersigned to:

(1) (as applicable) prepare, execute in the undersigned's name and
on the undersigned's behalf, and submit to the U.S. Securities and Exchange
Commission ("SEC") a Form ID, including amendments thereto, and any other
documents necessary or appropriate to obtain codes and passwords
enabling the undersigned to make electronic filings with the SEC of
reports required by Section 16(a) of the Securities Exchange Act of 1934,
as amended (the "Exchange Act") or any rules or regulations of the SEC;

(2) prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5 and
Forms 144 (including any amendments thereto) and any other forms or
reports required with respect to the securities of Celanese Corporation, a
Delaware corporation (the "Company"), with the United States Securities
and Exchange Commission and any national securities exchanges, as
considered necessary or advisable under Section 16(a) of the Exchange
Act or similar provisions of securities laws;

(3) seek or obtain, as the undersigned's representative and on the
undersigned's behalf, information on transactions in the Company's
securities from any third party, including brokers, employee benefit plan
administrators and trustees, and the undersigned hereby authorizes any
such person to release any such information to the undersigned and
approves and ratifies any such release of information; and

(4) perform any and all other acts which in the discretion of such
attorney-in-fact are necessary or desirable for and on behalf of the
undersigned in connection with the foregoing.

The undersigned acknowledges that:

(1) this Power of Attorney authorizes, but does not require, such attorney-
in-fact to act in his or her discretion on information provided to such
attorney-in-fact without independent verification of such information;

(2) any documents prepared and/or executed by such attorney-in-fact on behalf
of the undersigned pursuant to this Power of Attorney will be in such form
and will contain such information and disclosure as such attorney-in-fact, in
his or her discretion, deems necessary or desirable;

(3) neither Celanese nor such attorneys-in-fact assumes

(i) any liability for the undersigned's responsibility to comply with the
requirements of the Exchange Act,

(ii) any liability of the undersigned for any failure to comply with such
requirements, or

(iii) any obligation or liability of the undersigned for profit disgorgement
under Section 16(b) of the Exchange Act; and

(4) this Power of Attorney does not relieve the undersigned from responsibility
for compliance with the undersigned's obligations under the Exchange Act,
including without limitation the reporting requirements under Section 16 of
the Exchange Act.

The undersigned hereby gives and grants each foregoing attorney-in-fact full
power and authority to do and perform any and every act and thing whatsoever
requisite, necessary or appropriate to be done in and about the foregoing
matters as fully to all intents and purposes as the undersigned might or could
do if present, hereby ratifying all that such attorney-in-fact, for and on
behalf of the undersigned, will lawfully do or cause to be done by virtue of
this Power of Attorney.

This Power of Attorney will remain in full force and effect until the
undersigned is no longer required to file the forms noted above with respect
to the undersigned's holdings of and transactions in the Company's securities,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of the date set forth below.

/s/ Anne P. Noonan
Signature

Name: Anne P. Noonan
Dated: 4/16/2026

```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Noonan Anne P<br><sub>(Last) (First) (Middle)</sub><br>C/O CELANESE CORPORATION<br>222 W. LAS COLINAS BLVD., SUITE 900N<br><sub>(Street)</sub><br>IRVING, TX 75039<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Celanese Corp [ CE ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-04-20 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 0 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Remarks:**
Exhibit List: Exhibit No. 24 - Power of Attorney

**Signature:** /s/ Christine Dryden, Attorney-in-Fact for Anne P. Noonan  
**Date:** 2026-04-28

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**