HUNTSMAN INTERNATIONAL LLC

For the period ended Jun 30, 2026. Filed Jul 31, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Jul 31, 2026

HUN$9.54+1.0%Stored close · as of Nov 9, 2026

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Contents

ITEM 6. Exhibits

EXHIBIT INDEX

· · · Incorporated by reference
Exhibit number		Exhibit description	Form	Exhibit	Filing date
2.1		Agreement and Plan of Merger, dated as of June 15, 2026, by and among Olin Corporation, Huntsman Corporation, Olympus Merger Sub, Inc. and Hook Merger Sub LLC	8-K	2.1	June 16, 2026
10.1		Voting and Support Agreement, dated as of June 15, 2026, by and among Olin Corporation, Olympus Merger Sub, Inc., Hook Merger Sub LLC, Peter Huntsman and affiliated entities	8-K	99.1	June 16, 2026
31.1	*	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	*	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	*	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2	*	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	*	Inline XBRL Instance Document - The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH	*	Inline XBRL Taxonomy Extension Schema
101.CAL	*	Inline XBRL Taxonomy Extension Calculation Linkbase
101.LAB	*	Inline XBRL Taxonomy Extension Label Linkbase
101.PRE	*	Inline XBRL Taxonomy Extension Presentation Linkbase
101.DEF	*	Inline XBRL Taxonomy Extension Definition Linkbase
104		The cover page from this Quarterly Report on Form 10-Q, formatted in Inline XBRL and contained in Exhibit 101

*	Filed herewith

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized.

Dated: July 31, 2026	HUNTSMAN CORPORATION
	HUNTSMAN INTERNATIONAL LLC

	By:	/s/ PHILIP M. LISTER
		Philip M. Lister
		Executive Vice President and Chief Financial Officer
		and Manager (Principal Financial Officer)

	By:	/s/ STEVEN C. JORGENSEN
		Steven C. Jorgensen
		Vice President and Controller (Authorized Signatory and
		Principal Accounting Officer)

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.