Exhibit 99.1
OLIN and HUNTSMAN Shareholders Approve Transformative Merger of Equals
CLAYTON, Missouri and THE WOODLANDS, Texas, Aug. 25, 2026 /PRNewswire/ — Olin Corporation (NYSE: OLN) and Huntsman Corporation (NYSE: HUN)
today announced that their respective shareholders have approved the proposals necessary to complete the companies’ previously announced all-stock merger of equals.
“We greatly appreciate the strong support of Olin and Huntsman shareholders as we reach this important milestone,” said Ken Lane,
President and Chief Executive Officer of Olin. “OlinHuntsman Corporation will be a more value-focused chemicals company with a world-scale vertically integrated platform that is better positioned to serve customers across the value chain and
deliver resilient financial performance. We are committed to completing the remaining steps to close the transaction, and to delivering long-term value for our shareholders, customers, employees, and communities as one company.”
“OlinHuntsman will be better positioned to compete in an increasingly global industry, delivering value, adding products and greater
service for customers,” said Peter Huntsman, Chairman, President and Chief Executive Officer of Huntsman. “We thank our shareholders for the overwhelming support at the special meeting and look forward to completing this combination and
getting to work building a global chemicals leader.”
Based on preliminary voting results, at the special meeting of Olin
shareholders held today, approximately 97% of the votes cast, representing 81% of all outstanding shares, were voted in favor of the consummation of the transaction through a direct merger of Olin and Huntsman. At the special meeting of Huntsman
stockholders held today, approximately 99% of the votes cast, representing 75% of all outstanding shares, were voted in favor of the merger based on preliminary voting results.
Based on these preliminary voting results, subject to the satisfaction of other closing conditions, the transaction will proceed through a direct
merger of Olin and Huntsman.
The final voting results are subject to certification by the companies’ respective independent
inspectors of elections and will be reported in separate Current Reports on Form 8-K filed by Olin and Huntsman with the U.S. Securities and Exchange Commission. The transaction is expected to close in the
first half of 2027 and remains subject to the receipt of required regulatory approvals and the satisfaction or waiver of other customary closing conditions.
About Olin
Olin
Corporation is a leading vertically integrated global manufacturer and distributor of chemical products and a leading U.S. manufacturer of ammunition. The chemical products produced include chlorine and caustic soda, vinyls, epoxies, chlorinated
organics, bleach, hydrogen, and hydrochloric acid. Winchester’s principal manufacturing facilities produce and distribute sporting ammunition, law enforcement ammunition, reloading components, small caliber military ammunition and components,
industrial cartridges, and clay targets.
Visit
www.olin.com for more information on Olin Corporation.
About Huntsman
Huntsman Corporation is a publicly traded global manufacturer and marketer of diversified chemical products with 2025 revenues of approximately
$6 billion from our continuing operations. 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 55 manufacturing,
R&D and operations facilities in approximately 25 countries and employ approximately 6,000 associates within our continuing operations. For more information about Huntsman, please visit the company’s website at www.huntsman.com.
Social Media:
X:
www.x.com/Huntsman_Corp
Facebook: www.facebook.com/huntsmancorp
LinkedIn: www.linkedin.com/company/huntsman
Cautionary Statement Regarding Forward-Looking Statements
This communication contains “forward-looking statements”. These statements relate to analyses and other information that are based on
management’s current beliefs, certain assumptions and forecasts made by management, and current expectations, estimates and projections. Such forward-looking statements include statements regarding the proposed combination between Olin and
Huntsman, the future results of the combined company and the benefits anticipated to be realized from the proposed combination, the impact of the proposed transaction on the combined company’s business, projections as to the amount and timing
of synergies and the closing date for the proposed transaction, and other uncertainties and contingencies in connection with the foregoing. The statements contained in this communication that are not statements of historical facts may include
“forward looking statements” as defined in the Private Securities Litigation Reform Act of 1995. We have used the words “anticipate,” “intend,” “may,” “expect,” “believe,”
“should,” “plan,” “outlook,” “project,” “estimate,” “forecast,” “optimistic,” “target” and variations of such words and similar expressions in this
communication to identify such forward-looking statements.
The reader is cautioned not to rely on these forward-looking statements.
These statements are based on current expectations of future events. If underlying