EX-23 7 lon263913.txt EX. 23.1 Exhibit 23.1 [Letterhead of Deloitte & Touche] ASML Holding N.V. De Run 1110 5503 LA VELDHOVEN Date: May 22, 2003 From: J.G.C.M. Bune RA Our Reference: 1077447/le9996 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in this Registration Statement on Form S-8 of ASML Holding N.V., of our report dated January 30, 2003 included in the Annual Report on Form 20-F of ASML Holding N.V. for the year ended December 31, 2002 filed with the Commission on March 14, 2003. /s/ Deloitte & Touche Accountants