0001306830-16-000212 Sample Contracts

CHANGE IN CONTROL AGREEMENT
Change in Control Agreement • February 5th, 2016 • Celanese Corp • Plastic material, synth resin/rubber, cellulos (no glass) • Texas

This CHANGE IN CONTROL AGREEMENT (the "Agreement") is entered into on <<DATE>> (the "Effective Date") by and between Celanese Corporation (the "Company") and <<NAME>> (the "Executive").

OMNIBUS AMENDMENT
Purchase and Sale Agreement • February 5th, 2016 • Celanese Corp • Plastic material, synth resin/rubber, cellulos (no glass) • New York

This OMNIBUS AMENDMENT, dated as of December 1, 2015 (this "Amendment"), is AMENDMENT NO. 1 to the AMENDED AND RESTATED PURCHASE AND SALE AGREEMENT and AMENDMENT NO. 4 to the RECEIVABLES PURCHASE AGREEMENT, each as defined below.

Contract
Supplemental Indenture • February 5th, 2016 • Celanese Corp • Plastic material, synth resin/rubber, cellulos (no glass) • New York

FIFTH SUPPLEMENTAL INDENTURE, dated as of July 8, 2015, among CELANESE US HOLDINGS LLC, a Delaware limited liability company (the "Issuer"), CELANESE SALES U.S. LTD., a Texas limited partnership (the "Additional Guarantor"), and WELLS FARGO BANK, NATIONAL ASSOCIATION, as trustee (the "Trustee").

JOINDER AGREEMENT
Joinder Agreement • February 5th, 2016 • Celanese Corp • Plastic material, synth resin/rubber, cellulos (no glass) • New York

THIS JOINDER AGREEMENT, dated as of August 1, 2015 (this "Agreement") is executed by Celanese Sales U.S., Ltd., a limited partnership organized under the laws of Texas (the "Additional Originator"), with its principal place of business located at 222 W. Las Colinas Blvd., Suite 900N, Irving, Texas 75039.