Celanese Corporation (NYSE:CE), a global chemical and specialty materials company, today announced that it will host a conference call to discuss its third quarter 2026 results on Tuesday, November 3, 2026, beginning at 10:00 a.m. ET.

The conference call will be available by webcast at https://investors.celanese.com or by phone:

Dial-in Number: 1-877-737-7051

International Dial-In Number: 1-201-689-8878

Alternatively, to enter the call immediately without waiting for operator assistance, attendees may pre-register for the call by clicking the link below.

Registrant Link:

http://services.incommconferencing.com/DiamondPassRegistration/register?confirmationNumber=13763150&linkSecurityString=1f52e60052

The company will distribute its third quarter earnings press release via newswire after the New York Stock Exchange closes on Monday, November 2, 2026. The earnings press release and prepared remarks will also be available at https://investors.celanese.com after market close on Monday, November 2, 2026.

A replay of the conference call will be available on demand on November 3, 2026, from 12:00 p.m. ET until November 17, 2026, 12:00 p.m. ET, at the following number:

Replay Number: 1-877-660-6853

Passcode: 13763150

The webcast replay will be available on demand at https://investors.celanese.com.

About Celanese

Celanese is a global leader in chemistry, producing specialty material solutions used across most major industries and consumer applications. Our businesses use our chemistry, technology and commercial expertise to create value for our customers, employees and shareholders. We support sustainability by responsibly managing the materials we create and growing our portfolio of sustainable products to meet customer and societal demand. We strive to make a positive impact in our communities and to foster inclusivity across our teams. Celanese Corporation is a Fortune 500 company with more than 11,000 employees worldwide and 2025 net sales of $9.5 billion.

View source version on businesswire.com: https://www.businesswire.com/news/home/20261002797260/en/

Investor Relations

Bill Cunningham

+1 972 443 4730

william.cunningham@celanese.com

Media Relations – Global

Jamaison Schuler

+1 972 443 4400

media@celanese.com

Media Relations – Europe (Germany)

Petra Czugler

+49 69 45009 1206

petra.czugler@celanese.com

Media – Asia

Maria Xia

+86 21 3861 9368

maria.xia@celanese.com