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The move is part of U.S. President Donald Trump’s efforts to bring manufacturing back to the United States.Alex Brandon/The Associated Press

President Donald Trump said the United States will impose a tariff of about 100 per cent on imports of semiconductors but offered up a big exemption - it will not apply to companies that are manufacturing in the U.S. or have committed to do so.

The move is part of Trump’s efforts to bring manufacturing back to the United States, and his remarks on Wednesday were made in tandem with an announcement that Apple Inc. AAPL-Q would be investing an additional US$100-billion in its home market.

For companies like Apple, which have committed to build in the United States, “there will be no charge,” he told reporters in the Oval Office.

He warned, however, that companies should not try to wrangle out of pledges to build U.S. factories.

“If, for some reason, you say you’re building and you don’t build, then we go back and we add it up, it accumulates, and we charge you at a later date, you have to pay, and that’s a guarantee,” Trump added.

The comments were, however, not a formal tariff announcement, and much remains unclear about how companies and countries around the world will be impacted.

Global investors see few winners as tariff storm lashes global markets

His remarks produced an immediate flurry of reactions from concerned countries and business lobbies.

South Korea’s top trade envoy said on Thursday that major chipmakers Samsung Electronics and SK Hynix will not be subject to 100-per-cent tariffs, and South Korea will have the most favourable levies on semiconductors under a trade deal between Washington and Seoul.

On the other end of the spectrum, the president of the Philippine semiconductor industry, Dan Lachica, said Trump’s plan would be “devastating” for his country.

In Malaysia, Trade Minister Tengku Zafrul Aziz warned parliament his country “will risk losing a major market in the United States if its products become less competitive as a result of the imposition of these tariffs.”

Among those expected to be relatively unscathed is Taiwanese chip contract manufacturer TSMC - which has factories in the United States, so big customers such as Nvidia Corp. are unlikely to face increased tariff costs.

Nvidia, which makes cutting-edge AI graphics processing units, also plans to invest hundreds of billions of dollars in U.S.-made chips and electronics over the next four years. An Nvidia spokesperson declined to comment for this story.

“Large, cash-rich companies that can afford to build in America will be the ones to benefit the most. It’s survival of the biggest,” said Brian Jacobsen, chief economist at investment advisory firm Annex Wealth Management.

Trump’s broad tariffs go into effect as economic pain in the U.S. surfaces

Congress created a US$52.7-billion semiconductor manufacturing and research subsidy program in 2022. The Commerce Department under president Joe Biden last year convinced all five leading-edge semiconductor firms to locate chip factories in the U.S. as part of the program.

The department said the U.S. last year produced about 12 per cent of semiconductor chips globally, down from 40 per cent in 1990.

“There’s so much serious investment in the United States in chip production that much of the sector will be exempt,” said Martin Chorzempa, senior fellow at the Peterson Institute for International Economics.

He added that chips made by China’s SMIC or Huawei are unlikely to be exempt, but noted that chips from these companies entering the U.S. market were mostly incorporated into devices assembled in China.

“If these tariffs were applied without a component tariff, it might not make much difference,” he said.

The EU has said it agreed to a single 15-per-cent tariff rate for the vast majority of EU exports, including cars, chips and pharmaceuticals. Japan has said that the U.S. agreed not to give it a worse tariff rate than other countries on chips.

Shares in Asian chipmakers with big U.S. investment plans climbed on Thursday, with TSMC and Samsung up 4.4 per cent and 2 per cent respectively. Silicon wafer producer GlobalWafers, which has a plant in Texas, jumped 10 per cent.

Samsung declined to comment on Trump’s remarks. TSMC did not immediately reply to a request for comment. GlobalWafers said it has proactively implemented cost reduction strategies and believes it has an opportunity to maintain competitiveness.

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