Axiall & ICWUC Local #45 Announce Results of Contract Ratification VoteATLANTA – Aug. 17, 2016 – Axiall Corporation (NYSE: AXLL) and International Chemical Workers’ Union Council Local #45C today announced election results of a collective bargaining agreement at its Eagle Natrium LLC subsidiary, which operates as Axiall Natrium, chemicals facility located in Marshall County, W.Va. The company and ICWUC Local #45 are pleased to report the ratification of a new contract that will serve employees at the Natrium facility for the next three years. About Axiall Axiall Corporation (NYSE: AXLL) is a leading integrated chemicals and building products company. Headquartered in Atlanta, Axiall has manufacturing facilities located throughout North America and in Asia to provide industry-leading materials and services to customers. For more information, visit www.axiall.com. Contacts Investor Relations: Martin Jarosick, 1-770-395-4524 Media: Chip Swearngan, 1-678-507-0554