kpmgexhibit231.htm

We consent to the use of our report dated February 23, 2011, with respect to the consolidated balance sheets of Olin Corporation and subsidiaries as of December 31, 2010 and 2009, and the related consolidated statements of operations, shareholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2010, and the effectiveness of internal control over financial reporting as of December 31, 2010, incorporated herein by reference.