UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: September 6, 2016 9:00 A.M.
Form: S-4
CIK: 0000074303
Company Name: OLIN CORP
File Number: 333-212779
CIK: 0001640811
Company Name: Blue Cube Spinco Inc.
File Number: 333-212779-01