Alcon AG — Investor Presentation 2003

Jul 31, 2003

6-K 1 acl6kq2webcastslides.htm ACL 6K - SLIDES FROM WEBCAST OF JULY 31, 2003 MARKER FORMAT-SHEET="Head Minor Center-TNR" FSL="Project"

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

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FORM 6-K

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Report Of Foreign Issuer Pursuant To Rule 13a-16 Or 15d-16 of the Securities Exchange Act of 1934

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For the month of July 2003

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ALCON, INC.

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Bösch 69 P.O. Box 62 6331 Hünenberg, Switzerland 011-41-41-785-8888 (Address of principal executive offices)

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[Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.]

Form 20-F x Form 40-F

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[Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.]

Yes No x

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Incorporation by Reference

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This Report of Foreign Issuer on Form 6-K shall be incorporated by reference into the Registration Statement on Form S-8 filed with the Securities and Exchange Commission on April 24, 2002 and the Registration Statement on Form S-8 filed with the Securities and Exchange Commission on October 25, 2002

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Attached as Exhibit 99 are the slides used by Alcon, Inc. in its July 31, 2003 Webcast.

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SIGNATURES

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Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Alcon, Inc. (Registrant)
Date July 31, 2003	By /s/ Guido Koller Name: Guido
Koller Title: Senior
Vice President
Date July 31, 2003	By /s/ Stefan Basler Name: Stefan
Basler Title:
Attorney-in-fact