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Westlake Announces Acquisition of ACI Compounding Solutions Business

Westlake Corporation (WLK) | August 26, 2025

By Rachel Baker

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Westlake Corporation announced the acquisition of the global compounding solutions businesses of ACI/Perplastic Group, known as ACI.

ACI is a Portugal-based manufacturer of specialty materials serving the wire and cable sectors.

The acquisition will expand Westlake's offerings and enhance its Housing & Infrastructure Products segment.

Strategic Fit with HIP Business

The combination of ACI with Westlake's compounding business provides a strategic fit to expand Westlake Global Compounds.

Expansion of Product Portfolio

The acquisition will add new specialty products and technology to Westlake's existing portfolio.

Revenue Impact

ACI reported net sales of approximately EUR 210 million for the twelve months ended December 31, 2024.

  • The acquisition of ACI presents an excellent strategic opportunity for Westlake to integrate and enhance its offerings in the compounding solutions business.
  • ACI's innovative products and reputation align well with Westlake's goals for growth and expansion.

Westlake's acquisition of ACI signifies a proactive step towards strengthening its position in the global compounding solutions market. This strategic move is expected to bring synergies, new technologies, and expanded product offerings to Westlake's portfolio.