ASML Holding ( ASML ) shares fell in premarket trading Wednesday after the Dutch manufacturer of semiconductor-producing machinery reported worse-than-expected first-quarter net bookings and a soft current-quarter sales outlook.

The firm's Q1 net bookings came to 3.94 billion euros, below the 4.84 billion euros expected by analysts polled by Visible Alpha. Sales of EUR7.74 billion came in a tick below estimates but were in line with the company's sales forecast made last quarter. Diluted earnings per share (EPS) of EUR6.00 topped projections.

ASML again affirmed 2025 sales expectations of EUR30 billion to EUR35 billion, but its second-quarter sales outlook of EUR7.2 billion to EUR7.7 billion was below analysts' expectations of EUR7.77 billion.

"Our conversations so far with customers support our expectation that 2025 and 2026 will be growth years," CEO Christophe Fouquet said. "However, the recent tariff announcements have increased uncertainty in the macro environment and the situation will remain dynamic for a while."

Shares of ASML, whose extreme ultraviolet (EUV) lithography machines are needed to make the most advanced artificial intelligence (AI) chips, were roughly 5% lower early Wednesday. They entered the day down about 28% over the past 12 months.

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