RULE 424(b)(3) REGISTRATION NO. 333-61313 and REGISTRATION NO. 333-73456 PROSPECTUS SUPPLEMENT NO. 1 DATED JULY 2, 2003 TO PROSPECTUS DATED AUGUST 13, 1998 --------------------- THE PROSPECTUS DATED AUGUST 13, 1998 FOR THE QUIGLEY CORPORATION IS HEREBY SUPPLEMENTED AS FOLLOWS: This Prospectus Supplements the Prospectus dated August 13, 1998, of The Quigley Corporation (the "Company"), relating to the sale by certain selling stockholders of up to 1,500,000 shares of our common stock ("Common Stock") to include an additional 1,500,000 shares of Common Stock issuable upon the exercise of options issued pursuant to the Quigley Corporation 1997 Stock Option Plan, as amended (the "Stock Option Plan"). On May 4, 2001, the stockholders of the Company approved a proposal to increase the number of shares of Common Stock that may be issued under the Stock Option Plan to 3,000,000. On July 31, 2002, the Board of Directors approved a proposal to have all options held by an employee immediately expire if such employee is terminated for cause. You should read this Prospectus Supplement in conjunction with the Prospectus, and this Prospectus Supplement is qualified by reference to the Prospectus, except to the extent that the information in this Prospectus Supplement supersedes the information contained in the Prospectus. Capitalized terms used in this Prospectus Supplement and not otherwise defined herein have the meanings specified in the Prospectus. THIS INVESTMENT INVOLVES A HIGH DEGREE OF RISK. SEE "RISK FACTORS" BEGINNING ON PAGE 4 OF THE PROSPECTUS. The Section on Selling Stockholders contained in the Prospectus is hereby amended and restated in its entirety as follows: SELLING STOCKHOLDERS This Prospectus relates to the offer and sale by the Selling Stockholders of up to 3,000,000 Shares issued under the Stock Option Plan to the Selling Stockholders. This Prospectus also relates to such indeterminate number of additional shares of Common Stock that may be acquired by the Selling Stockholders as a result of the antidilution provisions of the Stock Option Plan. To the extent required, additional information regarding the identity of the Selling Stockholders and certain other information relating to the Selling Stockholders will be provided by supplement to this Prospectus. The following table sets forth (i) the number of shares of Common Stock beneficially owned by each Selling Stockholder prior to the Offering, (ii) the number of Shares of Common Stock being offered for resale by each Selling Stockholder and (iii) the number and percentage of shares of Common Stock thateach Selling Stockholder will beneficially own after completion of the Offering. Except as set forth below, none of the Selling Stockholders has had a material relationship with the Company during the past three years. No. of Shares of Common Stock No. of Beneficially Owned Shares Shares Beneficially Owned Name Prior to Offering Offered (1) After Offering (2) ---- ----------------- ----------- ------------------------- Guy J. Quigley (3).............................. 4,097,264(4) 370,000 3,727,264 30.5% Wendy Quigley (5)............................... 645,705(6) 51,000 594,705 5.1% Charles A. Phillips (7)......................... 1,830,377(8) 357,000 1,473,377 12.4% George J. Longo (9)............................. 555,000(10) 390,000 165,000 1.4% Jacqueline F. Lewis (11)........................ 70,000(12) 70,000 0 * Rounsvell W. Schaum (13)........................ 50,000(14) 50,000 0 * * Less than 1%. - --------------------- (1) Consists solely of Common Stock issuable to the Selling Stockholders upon the exercise of currently exercisable options. (2) Assumes that all Common Stock offered by the Selling Stockholders is sold and that no other shares of Common Stock owned by the Selling Stockholders are sold. (3) Mr. Quigley is the Chairman of the Board, President and Chief Executive Officer of the Company. (4) Includes 885,000 shares of Common Stock issuable to Mr. Quigley upon the exercise of currently exercisable warrants and options, 251,000 shares of Common Stock issuable upon the exercise of options and warrants directly owned by Mr. Quigley's wife and 514,705 shares beneficially owned by Mr. Quigley's immediate family. (5) Mrs. Quigley is the wife of Guy J. Quigley and may be deemed to own the shares of Common Stock and options and warrants convertible into Common Stock directly owned by him and their immediate family members. (6) Includes 251,000 shares of Common Stock issuable to Mrs. Quigley upon the exercise of options and warrants. (7) Mr. Phillips is the Vice President, Chief Operating Officer and a Director of the Company. (8) Includes 817,000 shares of Common Stock issuable to Mr. Phillips upon the exercise of currently exercisable warrants and options, 1,671 shares directly owned by Mr. Phillip's wife. (9) Mr. Longo is the Vice President, Chief Financial Officer and a Director of the Company. (10) Represents 515,000 shares of Common Stock issuable to Mr. Longo upon the exercise of currently exercisable warrants and options. (11) Ms. Lewis is a Director of the Company. (12) Represents 70,000 shares of Common Stock issuable to Ms. Lewis upon the exercise of currently exercisable options. (13) Mr. Schaum is a Director of the Company. (14) Includes 30,000 shares of Common Stock issuable upon the exercise of currently exercisable options. There is no assurance that the Selling Stockholders will exercise the options to purchase Common Stock from the Company or that any such Selling Stockholder will otherwise opt to sell any of the Shares offered hereby. The Shares covered by this Prospectus may be sold from time to time so long as this Prospectus remains in effect; provided, however, that the Selling Stockholders are first required to contact the Company's Corporate Secretary to confirm that this Prospectus is in effect. The Company intends to distribute to each Selling Stockholder a letter setting forth the procedures whereby such Selling Stockholder may use the Prospectus to sell the shares and under what conditions the Prospectus may not be used. The Selling Stockholders expect to sell the Shares at prices then attainable, less ordinary brokers' commissions and dealers' discounts as applicable. The Selling Stockholders and any broker or dealer to or through whom any of the Shares are sold may be deemed to be underwriters within the meaning of the Securities Act with respect to the Common Stock offered hereby, and any profits realized by the Selling Stockholders or such brokers or dealers may be deemed to be underwriting commissions. Brokers' commissions and dealers' discounts, taxes and other selling expenses to be borne by the Selling Stockholders are not expected to exceed normal selling expenses for sales over-the-counter or otherwise, as the case may be. The registration of the Shares under the Securities Act shall not be deemed an admission by the Selling Stockholders or the Company that the Selling Stockholders are underwriters for purposes of the Securities Act of any Shares offered under this Prospectus.