X0306 4 2013-05-21 0 0000805264 AXIALL CORP/DE/ AXLL 0001259801 WEINSTEIN DAVID N 115 PERIMETER CENTER PLACE, SUITE 460 ATLANTA GA 30346 1 0 0 0 AXLL Common Stock 2013-05-21 4 A 0 2053 0 A 14795 D These restricted stock units are expected to vest on the earlier of the first anniversary of the grant date or the day before the issuer's 2014 annual meeting of stockholders, subject to the terms of the restricted stock unit agreement between the issuer and the reporting person. /s/ David N. Weinstein 2013-05-22