ASML is unique as a maker of machines used to manufacture semiconductors.
Company management now expects sales this year to be between 36 and 40 billion euros, compared to a previous forecast of 34-39 billion euros.
In the first quarter, sales reached 8.77 billion euros, which was in line with analysts' expectations.
ASML, Europe's most valuable company, has risen 39 percent on the stock market this year.
