X0306 4 2013-05-20 0 0000805264 AXIALL CORP/DE/ AXLL 0001554411 Mann Timothy JR 115 PERIMETER CENTER PLACE, SUITE 460 ATLANTA GA 30346 0 1 0 0 EVP, Gen. Counsel & Secretary AXLL Common Stock 2013-05-20 4 A 0 4345 0 A 37261 D These restricted stock units are expected to vest in three equal installments on each of the first, second and third anniversaries of the grant date, subject to the terms of the restricted stock unit agreement between the issuer and the reporting person. /s/ Timothy Mann, Jr. 2013-05-22