Exhibit 99.1

Huntsman Announces 2020 Annual Meeting of Stockholders

THE WOODLANDS, Texas – Huntsman Corporation (NYSE: HUN) today announced that it will hold its 2020 annual meeting of stockholders on Wednesday, April 29, 2020 at 8:30 a.m., local time, at The Woodlands^® Resort & Conference Center, 2301 North Millbend Drive, The Woodlands, Texas 77380.

About Huntsman:

Huntsman Corporation is a publicly traded global manufacturer and marketer of differentiated and specialty chemicals with 2019 revenues of approximately $7 billion. Our chemical products number in the thousands and are sold worldwide to manufacturers serving a broad and diverse range of consumer and industrial end markets. We operate more than 70 manufacturing, R&D and operations facilities in approximately 30 countries and employ approximately 9,000 associates within our four distinct business divisions. For more information about Huntsman, please visit the company's website

at www.huntsman.com.

Social Media:

Twitter: www.twitter.com/Huntsman_Corp

Facebook: www.facebook.com/huntsmancorp

LinkedIn: www.linkedin.com/company/huntsman

Forward-Looking Statements:

Certain information in this release constitutes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements are based on management's current beliefs and expectations. The forward-looking statements in this release are subject to uncertainty and changes in circumstances and involve risks and uncertainties that may affect the company's operations, markets, products, services, prices and other factors as discussed under the caption "Risk Factors" in the Huntsman companies' filings with the U.S. Securities and Exchange Commission. Significant risks and uncertainties may relate to, but are not limited to, volatile global economic conditions, cyclical and volatile product markets, disruptions in production at manufacturing facilities, reorganization or restructuring of Huntsman’s operations, including any delay of, or other negative developments affecting the ability to implement cost reductions and manufacturing optimization improvements in Huntsman businesses and realize anticipated cost savings, and other financial, economic, competitive, environmental, political, legal, regulatory and technological factors. The company assumes no obligation to provide revisions to any forward-looking statements should circumstances change, except as otherwise required by applicable laws.

Additional Information and Where to Find It

The Company intends to file a proxy statement and accompanying white proxy card with the U.S. Securities and Exchange Commission (the “SEC”) with respect to the Company’s 2020 Annual Meeting of Stockholders. The Company’s stockholders are strongly encouraged to read such proxy statement, the accompanying proxy card and other documents filed with the SEC carefully in their entirety when they become available because they will contain important information. The Company’s stockholders will be able to obtain any proxy statement, any amendments or supplements to the proxy statement and other documents filed by the Company with the SEC free of charge at the SEC’s website at www.sec.gov. Copies will also be available free of charge at the Company’s website at www.huntsman.com.

Certain Information Regarding Participants

The Company, its directors and certain of its executive officers may be deemed to be participants in the solicitation of proxies from the Company’s stockholders in connection with the matters to be considered at the Company’s 2020 Annual Meeting of Stockholders. Information about the Company’s directors and executive officers is available in the Company’s (a) annual report on Form 10-K for the year ended December 31, 2019 filed with the SEC on February 13, 2020 and (b) proxy statement filed with the SEC on March 22, 2019 with respect to the Company’s 2019 Annual Meeting of Stockholders. To the extent holdings of the Company’s securities by such directors or executive officers have changed since the amounts printed in the proxy statement, such changes have been or will be reflected on Statements of Changes in Beneficial Ownership on Form 4 filed with the SEC. Additional information regarding the identity of potential participants, and their direct or indirect interests, by security holdings or otherwise, will be set forth in the proxy statement and other materials to be filed with the SEC in connection with the Company’s 2020 Annual Meeting of Stockholders.