UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of The Securities Exchange Act of 1934

(Amendment No. )

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Starboard Value LP, together with the other participants named herein (collectively, “Starboard”), has filed a definitive proxy statement and accompanying BLUE proxy card with the Securities and Exchange Commission (the “SEC”) to be used to solicit votes for the election of its slate of highly-qualified director nominees at the 2022 annual meeting of stockholders (the “Annual Meeting”) of Huntsman Corporation, a Delaware corporation (the “Company”).

Item 1: On February 17, 2022, Starboard issued the following press release and delivered the following letter to the Company. The full text of the letter is also attached hereto as Exhibit 1 and is incorporated herein by reference:

Starboard DELIVERS LETTER TO HUNTSMAN CORPORATION 

NEW YORK, NY February 17, 2022 /PRNewswire/ -- Starboard Value LP (together with its affiliates, “Starboard” or “we”), one of the largest stockholders of Huntsman Corporation (NYSE: HUN) ("Huntsman" or the "Company"), with an ownership interest of approximately 8.6% of the Company’s outstanding shares, today announced that it has delivered a letter to Huntsman in connection with the Company’s repeated questions and requests for information regarding Starboard and its nominees following delivery of Starboard’s nomination notice to the Company.

The full text of Starboard’s letter to Huntsman follows and can also be viewed at the following link:

https://www.starboardvalue.com/wp-content/uploads/Starboard_Value_LP_Response_Letter_to_HUN_02.17.2022.pdf

February 17, 2022

Huntsman Corporation

10003 Woodloch Forest Drive

The Woodlands, TX 77380

Attn: David M. Stryker

Executive Vice President, General Counsel and Secretary

Dear Mr. Stryker,

As you know, Starboard Value LP, together with its affiliates (“Starboard”), is the second largest shareholder of Huntsman Corporation (“Huntsman” or the “Company”). We invested in Huntsman because we believe there is significant opportunity to create shareholder value from improving operational execution, increasing oversight from the Board of Directors (“Board”), and relentlessly driving a culture of accountability.

To that end, as you well know, on January 12, 2022, we submitted a valid nomination notice (the “Nomination Notice”) to the Company nominating a slate of four exceptional, experienced, and highly qualified independent director candidates for election to the Huntsman Board at the upcoming 2022 Annual Meeting (the “Annual Meeting”). Again, as you know, our Nomination Notice included all of the information required of Starboard and its nominees pursuant to the Company’s Sixth Amended and Restated Bylaws (the “Bylaws”), including a director questionnaire completed by each of our nominees. We struggle to understand why you continue to badger us with questions that have been asked and answered through required disclosure.

Last week, on the day Starboard filed our Definitive Proxy, we once again received a letter from you asking whether there are any undisclosed agreements, arrangements or understandings between us and one of our nominees. To be clear, and to be responsive to your formal and redundant question, Starboard is once again confirming that we have no undisclosed agreements, arrangements or understandings with any of our nominees.

Our nominees are independent, exceptional, experienced, and highly qualified, and are solely focused on representing the best interests of all shareholders if and when they join the Huntsman Board. We have received overwhelmingly positive feedback from both shareholders and Wall Street analysts on the qualifications and reputations of our nominees, and we find the Board’s continued harassment with the same repetitive questions unprofessional and concerning. This behavior further confirms our belief that change is required on the Board.

We believe Huntsman’s shareholders deserve an improved and reconstituted Board that is committed to driving accountability and maximizing shareholder value. Over the coming weeks, we look forward to our continued conversations with shareholders and to sharing in their excitement for the quality of our candidates.

Best Regards,

Jeffrey C. Smith

Managing Member

Starboard Value LP

About Starboard Value LP

Starboard Value LP is a New York-based investment adviser with a focused and differentiated fundamental approach to investing primarily in publicly traded U.S. companies. Starboard seeks to invest in deeply undervalued companies and actively engage with management teams and boards of directors to identify and execute on opportunities to unlock value for the benefit of all shareholders.

Investor contacts:

Gavin Molinelli, (212) 201-4828

Patrick Sullivan, (212) 845-7947

www.starboardvalue.com

Okapi Partners

Bruce H. Goldfarb/Patrick McHugh

(212) 297-0720

Also on February 17, 2022, Starboard uploaded the following materials to www.shareholdersforhuntsman.com: