NXP Semiconductors announced first quarter sales of USD 1,519 million, a comparable growth of 0.8% on the first quarter of 2007 and a comparable decline of 7.5% over the fourth quarter of 2007. Adjusted EBITDA in the first quarter was USD 183 million, the same level as the first quarter of 2007, but down from USD 349 million in the fourth quarter of 2007.