EXHIBIT 99.3 NOTICE OF GUARANTEED DELIVERY FOR TENDER OF ALL OUTSTANDING $150,000,000 13% SENIOR SUBORDINATED NOTES DUE 2009 IN EXCHANGE FOR NEW $150,000,000 13% SENIOR SUBORDINATED NOTES DUE 2009 OF WEIGHT WATCHERS INTERNATIONAL, INC. Registered holders of outstanding dollar-denominated 13% Senior Subordinated Notes due 2009 (the "Old Notes") who wish to tender their Old Notes in exchange for a like principal amount of new dollar-denominated 13% Senior Subordinated Notes due 2009 (the "Exchange Notes") and whose Old Notes are not immediately available or who cannot deliver their Old Notes and Letter of Transmittal (and any other documents required by the Letter of Transmittal) to Norwest Bank Minnesota, National Association (the "Exchange Agent") prior to the Expiration Date, may use this Notice of Guaranteed Delivery or one substantially equivalent hereto. This Notice of Guaranteed Delivery may be delivered by hand or sent by facsimile transmission (receipt confirmed by telephone and an original delivered by guaranteed overnight courier) or mail to the Exchange Agent. See "The Exchange Offer--Procedures for Tendering" in the Prospectus. THE EXCHANGE AGENT FOR THE EXCHANGE OFFER IS: NORWEST BANK MINNESOTA, NATIONAL ASSOCIATION FOR DELIVERY BY REGISTERED OR CERTIFIED FOR OVERNIGHT DELIVERY ONLY: MAIL: Norwest Bank Minnesota, Norwest Bank Minnesota, National Association National Association 608 Second Avenue South Sixth Street and Marquette Avenue Northstar East Building, 12th Floor MAC N9303 - 121 MAC N9303 - 121 Minneapolis, MN 55479-0069 Minneapolis, MN 55479-0069 Attention: Corporate Trust Department Attention: Corporate Trust Department BY HAND: BY FACSIMILE TRANSMISSION Norwest Bank Minnesota, (FOR ELIGIBLE INSTITUTIONS ONLY): National Association (612) 667-4927 608 Second Avenue South CONFIRM FACSIMILE BY TELEPHONE ONLY: Northstar East Building, 12th Floor (612) 667-9764 Minneapolis, MN 55479-0069 Attention: Corporate Trust Department DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS SET FORTH ABOVE OR TRANSMISSION VIA A FACSIMILE TRANSMISSION TO A NUMBER OTHER THAN AS SET FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY. This Notice of Guaranteed Delivery is not to be used to guarantee signatures. If a signature on a Letter of Transmittal is required to be guaranteed by an eligible institution (as defined in the Prospectus), such signature guarantee must appear in the applicable space provided on the Letter of Transmittal for Guarantee of Signatures. Ladies and Gentlemen: The undersigned hereby tenders the principal amount of Old Notes indicated below, upon the terms and subject to the conditions contained in the Prospectus dated , 1999 of Weight Watchers International, Inc. (the "Prospectus"), receipt of which is hereby acknowledged. DESCRIPTION OF OLD NOTES TENDERED CERTIFICATE NAME AND NUMBER(S) OF ADDRESS OF OLD NOTES REGISTERED TENDERED (OR HOLDER AS IT ACCOUNT APPEARS ON THE NUMBER AT PRINCIPAL OLD NOTES BOOK-ENTRY AMOUNT OLD NAME OF TENDERING HOLDER (PLEASE PRINT) FACILITY) NOTES TENDERED SIGN HERE Name of Registered or Acting Holder: ___________________________________________ Signature(s): __________________________________________________________________ Name(s) (Please Print): ________________________________________________________ Address: _______________________________________________________________________ Telephone Number: ______________________________________________________________ Date: __________________________________________________________________________ IF OLD NOTES WILL BE TENDERED BY BOOK-ENTRY TRANSFER, PROVIDE THE FOLLOWING INFORMATION: DTC Account Number: ________________________________________________________ Date: ______________________________________________________________________ 2 THE FOLLOWING GUARANTEE MUST BE COMPLETED GUARANTEE OF DELIVERY (NOT TO BE USED FOR SIGNATURE GUARANTEE) The undersigned, a member of a recognized signature guarantee medallion program within the meaning of Rule 17Ad-15 under the Securities Exchange Act of 1934, as amended, hereby guarantees to deliver to the Exchange Agent at one of its addresses set forth on the reverse hereof, the certificates representing the Old Notes (or a confirmation of book-entry transfer of such Old Notes into the Exchange Agent's account at the book-entry transfer facility), together with a properly completed and duly executed Letter of Transmittal (or facsimile thereof), with any required signature guarantees, and any other documents required by the Letter of Transmittal within three New York Stock Exchange trading days after the Expiration Date (as defined in the Letter of Transmittal). Name of Firm: (AUTHORIZED SIGNATURE) Address: Title: Name: (ZIP CODE) (PLEASE TYPE OR PRINT) Area Code and Date: Telephone No.: NOTE: DO NOT SEND OLD NOTES WITH THIS NOTICE OF GUARANTEED DELIVERY. OLD NOTES SHOULD BE SENT WITH YOUR LETTER OF TRANSMITTAL. 3