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Amgen to invest additional $300 million to boost US manufacturing footprint

By Thomson Reuters May 4, 2026 | 8:41 AM

May 4 (Reuters) – Amgen said on Monday it was investing an additional $300 million in Puerto ​Rico to expand its U.S. ‌manufacturing network.

Global drugmakers have been boosting manufacturing in the country in response to President Donald Trump’s tariffs that ‌could ​reach 100% on ⁠imported branded medicines.

• Amgen ⁠said the investment will expand its Juncos, Puerto Rico-based biologics manufacturing facility, which distributes medicines to ​more than 60 countries.

• This adds to the drugmaker’s ⁠previously announced investments ⁠of $650 million in Puerto Rico ​last year, expected to create 750 ​jobs.

• Trump signed an executive ‌order in April imposing 100% tariffs on branded pharmaceuticals imported into the U.S. unless manufacturers agreed ⁠to government drug-pricing deals or committed to making their products domestically.

• Amgen over ⁠the past ‌year has announced planned ⁠investments, including $900 million in ​Ohio ‌and $600 million in a ​science and ⁠innovation center in California. It has also invested more than $1.5 billion in North Carolina.

(Reporting by Sneha S K in Bengaluru; Editing by ​Shreya Biswas)