11:28 AM EST, 01/30/2026 (MT Newswires) -- Eli Lilly and Company ( LLY ) said Friday it plans to invest over $3.5 billion in a new manufacturing facility in the Lehigh Valley in Pennsylvania.

The site will be its newest injectable medicine and device manufacturing facility and will produce weight-loss therapies such as retatrutide, the company said.

Lilly said it has announced four new US manufacturing sites since February 2025, in a effort to boost domestic medicine production.

The new Pennsylvania site will be operational in 2031, Lilly said.

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