Exhibit

We consent to the use of our report dated February 26, 2018, with respect to the consolidated balance sheets of Olin Corporation and subsidiaries as of December 31, 2017 and 2016, and the related consolidated statements of operations, comprehensive income (loss), shareholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2017, and the related notes (collectively the consolidated financial statements), and the effectiveness of internal control over financial reporting as of December 31, 2017, incorporated herein by reference.