U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES FORM 3 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 1. Name and Address of Reporting Person* Gropper, Dan 712 Fifth Avenue New York, New York 10019 2. Date of Event Requiring Statement (Month/Day/Year) 04/02/02 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) 4. Issuer Name and Ticker or Trading Symbol ISCO International, Inc. (ISCO) 5. Relationship of Reporting Person to Issuer (Check all applicable) [x] Director [ ] Officer (give title below) [ ] 10% Owner [ ] Other (specify below) 6. If Amendment, Date of Original (Month/Day/Year) 7. Individual or Joint/Group Filing (Check applicable line) [x] Form filed by One Reporting Person [ ] Form filed by More than One Reporting Person * If the Form is filed by more than one Reporting Person, see Instruction 5(b)(v). Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Print or Type Responses) Table I - Non-Derivative Securities Beneficially Owned 1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 4) Table II - Derivative Securities Beneficially Owned (e.g. puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) Date Exercisable: Expiration Date: 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) Title: Amount or Number of Shares: 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5) Explanation of Responses: **Intentional misstatement or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). /s/ Dan Gropper April 18, 2002 ------------------------------------------------ Dan Gropper Date **Signature of Reporting Person (Page 3 of 3)