EXHIBIT 4.3 |--------| |--------| | NUMBER | | RIGHTS | | | | | | | | | |--------| |--------| THIS SUBSCRIPTION CERTIFICATE WILL BE VALUELESS IF NOT RECEIVED BY THE SUBSCRIPTION AGENT 5:00 P.M., CENTRAL STANDARD TIME ON ________________, 1999 RIGHTS SUBSCRIPTION CERTIFICATE CARDIA, INC. CUSIP THIS RIGHTS CERTIFICATE IS NOT TRANSFERABLE. The terms and conditions of this Rights Offering are set forth in the Prospectus relating to 1,000,000 shares of Common Stock, $.01 par value per share ("Shares"), of Cardia, Inc. (the "Company") dated __________, 1999 (the "Prospectus") and are incorporated herein by reference. Copies of the Prospectus are available upon request from the Company and Norwest Bank Minnesota, N.A. (the "Subscription Agent"). Capitalized terms used herein without definition shall have the meanings set forth in the Prospectus. - -------------------------------------------------------------------------------- SUBSCRIPTION PRICE: $1.00 PER SHARE REGISTERED HOLDER: - -------------------------------------------------------------------------------- The rights represented by this Rights Subscription Certificate, in whole or in part, may be exercised by duly completing Sections 1 and 2. Before exercising Rights, Rights holders are urged to read carefully and in its entirety the Prospectus, copies of which are available from the Company and the Subscription Agent. IMPORTANT - Complete the appropriate SECTION and delivery instructions, and SIGN on reverse side. Subject to the provisions of the Prospectus, if the instructions of the registered holder hereof are insufficient to delineate the proper action to be taken with respect to all of the Rights evidenced hereby, such action as is clearly delineated in such holder's instructions will be taken. The registered holder of Rights whose name is set forth herein, or assigns, is entitled to subscribe for one share of Common Stock of the Company at a Subscription Price of $1.00 per Share (the "Subscription Price") for each Right evidenced hereby under the terms and subject to the conditions set forth in the Prospectus. Payment of the full Subscription Price for all Shares subscribed for pursuant to the exercise of Rights must accompany this properly completed and duly executed Rights Subscription Certificate, payable in United States currency by personal check, cashier's check, bank draft or money order drawn on a bank located in the United States, payable to "Norwest Bank Minnesota, N.A., as Subscription Agent." PLEASE WRITE YOUR RIGHTS CERTIFICATE NUMBER, SET FORTH ABOVE, ON YOUR CHECK, BANK DRAFT OR MONEY ORDER. Dated: CARDIA, INC. COUNTERSIGNED: BY: /s/ JOSEPH A. MARINO NORWEST BANK MINNESOTA N.A. --------------------------------------- President BY: /s/ PATRICK DELANEY --------------------------------------- AUTHORIZED OFFICER Secretary CARDIA, INC. INSTRUCTIONS: To exercise all or part of the Rights evidenced by this Rights Subscription Certificate, please complete Section 1. In order to have the Subscription Agent deliver Shares issued upon the exercise of Rights to another person or delivered to an address other than the one listed on the face of this Rights Subscription Certificate, please complete Section 2 and obtain the required signature guarantee by a medallion institution. ANY EXERCISE OF RIGHTS EVIDENCED HEREBY IS IRREVOCABLE. Section 1 - EXERCISE AND SUBSCRIPTION: The undersigned hereby exercises Rights to subscribe for Shares as indicated below, on the terms and subject to the conditions specified in the Prospectus, receipt of which is hereby acknowledged. (Please print all information clearly and legibly) (i) IF YOU WISH TO EXERCISE ALL OF YOUR RIGHTS: (a) I subscribe for my full entitlement of Shares: ______________________________________________ X $1.00 = $____________ (Number of shares - whole number only) (b) I subscribe for additional Shares pursuant to my Oversubscription Privilege: ______________________________________________ X $1.00 = $____________ (Number of shares - whole number only; may not exceed the number of Rights represented by this Rights Subscription Certificate) TOTAL SUBSCRIPTION PRICE: $____________ (Total number of Shares subscribed for pursuant to both the Basic Subscription Privilege and the Oversubscription Privilege, times the Subscription Price of $1.00 per share) Method of Payment (check one) [ ] Check, Bank Draft or Money Order Payable to Norwest Bank Minnesota, N.A., as Subscription Agent. [ ] Wire Transfer Directly to the Escrow Account Maintained by Norwest Bank Minnesota, N.A., as Subscription Agent, at Norwest Bank Minnesota, N.A., ABA ROUTING #___________, for Credit Account #________, Further credit: CARDIA RIGHTS OFFERING, Attn: ____________ (651) 490-____. (ii) IF YOU DO NOT WISH TO EXERCISE ALL OF YOUR RIGHTS: (a) I subscribe for only ______________________________________________ X $1.00 = $____________ (Number of shares - whole number only) TOTAL SUBSCRIPTION PRICE: $____________ (Total number of Shares subscribed for pursuant to the Basic Subscription Privilege, times the Subscription Price of $1.00 per share) Method of Payment (check one) [ ] Check, Bank Draft or Money Order Payable to Norwest Bank Minnesota, N.A., as Subscription Agent. [ ] Wire Transfer Directly to the Escrow Account Maintained by Norwest Bank Minnesota, N.A., as Subscription Agent, at Norwest Bank Minnesota, N.A., ABA ROUTING #___________, for Credit Account #________, Further credit: CARDIA RIGHTS OFFERING, Attn: ____________ (651) 490-____. SECTION 2 - SPECIAL INSTRUCTIONS [ ] CHECK HERE FOR SPECIAL ISSUANCE, OR DELIVERY INSTRUCTIONS. Unless otherwise indicated below, the Subscription Agent is hereby authorized to issue and deliver Certificates for the Shares subscribed for to the undersigned at the address appearing on the face of this Rights Subscription Certificate. If this section is completed, the Holder's signature must be guaranteed by a medallion guarantor. Name:___________________________________________________________________________ Address:________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ Taxpayer Identification or Social Security Number_______________________________ IMPORTANT RIGHTS HOLDER SIGN HERE ________________________________________________________________________________ (Signature(s) of Holder(s) exactly as appears on the face of this Certificate) Dated: ____________, 1999 SIGNATURE GUARANTEE (to be executed if Section 2 is completed) The undersigned, an eligible guarantor institution pursuant to Rule 17Ad-15 promulgated under the Securities Exchange Act of 1934, as amended, and a participant in a Securities Transfer Association recognized signature program, does hereby guarantee that the signature of the Holder hereinabove is genuine. Dated: ____________, 1999 _________________________________________ Firm Name _________________________________________ Authorized Signature _________________________________________ Name and Title _________________________________________ Address _________________________________________ _________________________________________ _________________________________________ Area Code and Telephone Number