RockTenn says 15 box plants closed to date, 870 jobs cut RockTenn said in investor day presentation slides that it closed 15 box plants to date and reduced full-time employees by 870. The company added that annualized run-rate savings of $27M at end of December 2012 has increased to $35M. RockTenn said annual synergies and performance benefits through Q1 were $42M, and that it expects expect $135M by the end of FY14. The company added that it will continue to seek "strategic, favorably priced acquisitions." RockTenn highlighted its improving earnings and cash flow. It sees FY14 free cash flow of $10.50-$11.50 per share assuming flat selling prices and 2% to 2.5% inflation on cost inputs from the end of FY13.