KLA-Tencor Corporation provided earnings guidance for the first quarter ended March 2014. Revenue for the quarter is expected to be between $790 million and $850 million, with non-GAAP earnings in the range of $1 to $1.20 per share. Total revenue is expected to be in the range between $790 million and $850 million.

The company expects gross margin to be in the range of 58% to 59% in the quarter.