OLIN and HUNTSMAN Announce Transformative Merger of Equals to Create a $12+ Billion Integrated North American Chemicals Leader

Complementary upstream and downstream capabilities to enhance integration and enable the combined company to better create value across cycles, products and regions $400+ million of identified and actionable cost synergies and integration benefits Enhanced financial profile and cost position expected to provide greater performance through the cycle, cash flow generation and growth optionality Ken Lane to serve as Chief Executive Officer and Peter Huntsman to serve as non-executive Chairman of the Board of Directors of the combined company Joint investor call and webcast scheduled for June 16,