UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* Bio Key International Inc. ---------------------------------------------------------------------------- (Name of Issuer) Common Stock, par value $.01 per share ---------------------------------------------------------------------------- (Title of Class of Securities) 09060C101 ---------------------------------------------------------------------------- (CUSIP Number) Brooke J. Billick Vice President & Securities Counsel Marshall & Ilsley Trust Company N.A. 1000 North Water Street, 13th Floor Milwaukee, Wisconsin 53202 Telephone No.: 414-287-8609 ---------------------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) August 6, 2003 ---------------------------------------------------------------------------- (Date of Event which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box [ ]. *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be 'filed' for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Page 1 of 3 CUSIP No. 09060C101 Schedule 13D Page 2 of 3 ---------------------------------------------------------------------------- 1. Names of Reporting Persons N. DeAnne Wittig Qualified Property Marital Trust II, established under Will dated October 23, 1998 I.R.S. Identification Nos. of Above Persons (Entities Only): 52-7250702 ---------------------------------------------------------------------------- 2. Check the Appropriate Box If a Member of a Group (See Instructions) (a) [ ] (b) [ ] ---------------------------------------------------------------------------- 3. SEC Use Only ---------------------------------------------------------------------------- 4. Source of Funds (See Instructions) OO ---------------------------------------------------------------------------- 5. Check Box if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(e). [ ] ---------------------------------------------------------------------------- 6. Citizenship or Place of Organization: Minnesota ---------------------------------------------------------------------------- Number of Shares 7. Sole Voting Power 1,107,500 Beneficially 8. Shared Voting Power 0 Owned By 9. Sole Dispositive Power 1,107,500 Each Reporting 10. Shared Dispositive Power 0 Person With ---------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 1,107,500 ---------------------------------------------------------------------------- 12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares [ ] ---------------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) 7.51% ---------------------------------------------------------------------------- 14. Type of Reporting Person OO ---------------------------------------------------------------------------- CUSIP No. 09060C101 Schedule 13D, Amendment 1 Page 3 of 3 ---------------------------------------------------------------------------- The Reporting Person amends its response to Item 2(a) of its Schedule 13D dated February 17, 2003, as follows: "Item 2. Identity and Background "(a) Effective August 6, 2003, Nancy DeAnne Wittig, Co-Trustee of the Trust, removed Marshall & Ilsley Trust Company N.A. as Co-Trustee and appointed Anchor Bank West St. Paul, N.A. dba Anchor Trust as successor Co-Trustee." The Reporting Person amends its response to Item 2(c) of its Schedule 13D dated February 17, 2003, in its entirety as follows: "(c) The Trust's address is c/o Anchor Trust, 1360 Duckwood Drive, Eagan, Minnesota 55123" SIGNATURES After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this Statement is true, complete and correct. Dated: August 13, 2003 Signatures: Marshall & Ilsley Trust Company N.A. By: /s/ Brooke J. Billick Name/Title: Vice President and Securities Counsel