Alpek, S.A.B. de C.V. (“Alpek”) informs that a fire occurred in a section of its PTA plant in Altamira, Mexico on Sunday, July 15th. The situation was controlled promptly by internal and external emergency response teams with no reported injuries. Alpek is working to mitigate the impact of the temporary disruption caused by this incident. A complete assessment of the required repairs is in progress. Alpek has initiated an internal investigation process to determine the cause of the incident and establish the applicable corrective measures.