HII Welcomes UK’s Westley Group as Strategic Supplier, Strengthening Global Submarine Supply Chain Under AUKUS Framework

Rhea-AI Summary

HII (NYSE: HII) announced on Nov 4, 2025 that UK-based Westley Group has been approved by HII’s Newport News Shipbuilding division as a strategic supplier to deliver critical metal castings for U.S. Navy platforms. The addition supports allied defense collaboration under the AUKUS trilateral partnership and aims to strengthen the global submarine supply chain.

HII framed the supplier approval as a step toward creating a more integrated, resilient supplier network to help meet expanded requirements for nuclear-powered submarines and to reinforce collective readiness across AUKUS nations.

Positive

• Supplier approval for Westley Group effective Nov 4, 2025
• Newport News cleared Westley to deliver critical castings for U.S. Navy platforms
• Strengthens AUKUS industrial integration and supply-chain resilience

Negative

• None.

News Market Reaction – HII

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-0.52% News Effect

On the day this news was published, HII declined 0.52%, reflecting a mild negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

SYDNEY, Nov. 04, 2025 (GLOBE NEWSWIRE) -- At the Indo Pacific International Maritime Exposition in Sydney, HII (NYSE: HII) announced the addition of Westley Group, a leading United Kingdom-based manufacturer of high-integrity metal castings, as a strategic supplier supporting the U.S. Navy’s submarine industrial base.

This milestone marks another step forward in advancing allied defense collaboration under the AUKUS trilateral partnership between Australia, the United Kingdom, and the United States.

Westley Group is now approved by HII’s Newport News Shipbuilding division, builder of nuclear-powered submarines and aircraft carriers for the U.S. Navy, to deliver critical castings for U.S. Navy platforms.

“Consistent with the need to have a more integrated supply chain, creating this new supplier that builds essential components adds to the incremental volume required to construct more submarines to meet national security needs,” said Matt Mulherin Jr., HII’s Newport News Shipbuilding division vice president of supply chain and strategic sourcing. “This benefits everyone in the partnership and is a key step toward strengthening and creating a more robust supplier network to meet the expanded need for nuclear-powered submarines.”

Photos accompanying this release are available at: http://hii.com/news/hii-welcomes-uks-westley-group-as-strategic-supplier-strengthening-global-submarine-supply-chain-under-aukus-framework/.

The partnership underscores HII’s commitment to expanding industrial integration across AUKUS nations and building a more resilient, globally connected supply chain to support submarine program execution.

This collaboration highlights deepening industrial integration under the AUKUS framework and strengthens collective readiness across the trilateral partnership.

About Westley Group

Westley Group has four vertically integrated manufacturing facilities in the U.K. Westley Group employs over 300 personnel and specializes in end-to-end production of sand and centrifugal castings, precision machining, non-destructive testing, and final assembly. Its comprehensive in-house capabilities ensure consistent quality, reduced lead times, and performance critical to mission success in defense applications.

About HII

HII is a global, all-domain defense provider. HII’s mission is to deliver the world’s most powerful ships and all-domain solutions in service of the nation, creating the advantage for our customers to protect peace and freedom around the world.

As the nation’s largest military shipbuilder, and with a more than 135-year history of advancing U.S. national security, HII delivers critical capabilities extending from ships to unmanned systems, cyber, ISR, AI/ML and synthetic training. Headquartered in Virginia, HII’s workforce is 44,000 strong. For more information, visit:

• HII on the web: https://www.HII.com/
• HII on Facebook: https://www.facebook.com/TeamHII
• HII on X: https://www.twitter.com/WeAreHII
• HII on Instagram: https://www.instagram.com/WeAreHII
  
  

Contact:

Greg McCarthy
(202) 264-7126
gregory.j.mccarthy@hii-co.com

A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/0084f87b-32c7-434a-8d96-720c7cc5f918

FAQ

What did HII announce about Westley Group on Nov 4, 2025 (HII)?

HII announced that Westley Group was approved by Newport News to supply critical metal castings for U.S. Navy platforms under an AUKUS-oriented supply-chain effort.

How does the Westley Group approval affect HII’s submarine supply chain (HII)?

The approval is intended to increase supplier capacity and create a more integrated, resilient supply network to support expanded submarine construction needs.

Is the Westley Group approval linked to the AUKUS partnership (HII)?

Yes. HII said the partnership deepens industrial integration under the AUKUS framework among Australia, the UK, and the US.

Which HII division approved Westley Group to deliver castings (HII)?

HII’s Newport News Shipbuilding division approved Westley Group to deliver the castings.

What immediate operational role will Westley Group play for HII (HII)?

Westley Group will supply high-integrity metal castings used on U.S. Navy submarine and platform construction.