X0101 EFFECT 33 LIVE 2013-02-21 14:00:00

S-4

0000230498 Rock-Tenn CO 333-186552 0001566361 Rock-Tenn Mill Company, LLC 333-186552-19 0001566362 Rock-Tenn Leasing Company, LLC 333-186552-18 0001566358 Rock-Tenn Partition Co 333-186552-17 0001566353 Stone Global, Inc. 333-186552-16 0001566442 RockTenn CP, LLC 333-186552-15 0001566457 Rock-Tenn Converting Co 333-186552-14 0001566459 Rock-Tenn Co of Texas 333-186552-13 0001566432 RockTenn - Southern Container, LLC 333-186552-12 0001566434 Rock-Tenn Canada Holdings, Inc. 333-186552-11 0001566436 PREflex LLC 333-186552-10 0001566437 RockTenn - Solvay, LLC 333-186552-09 0001566317 TenCorr Containerboard, LLC 333-186552-08 0001566440 Rock-Tenn Astra, LLC 333-186552-07 0001566449 PCPC, Inc. 333-186552-06 0001566355 Rock-Tenn Services Inc. 333-186552-05 0001566327 Rock-Tenn Shared Services, LLC 333-186552-04 0001566322 Rock-Tenn XLS, LLC 333-186552-03 0001566321 Rock-Tenn XL, LLC 333-186552-02 0001566290 Waldorf Corp 333-186552-01