Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
WHITMORE BRADFORD T
  2. Issuer Name and Ticker or Trading Symbol
ISCO INTERNATIONAL INC [iso]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
1560 SHERMAN AVE, SUITE 900
3. Date of Earliest Transaction (Month/Day/Year)
06/26/2007
(Street)

EVANSTON, IL 60201
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 06/26/2007   C   4,166,667 A $ 0.18 (1) 48,064,846 I (2) See footnote (2)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
7% Convertible Notes $ 0.2 06/26/2007   J(3)   $ 4,861,705   06/26/2007 08/01/2009 Common Stock 24,308,525 $ 0.2 24,308,525 I (2) See footnote (2)
7% Convertible Notes $ 0.18 06/26/2007   J(3)   $ 750,000   06/26/2007 08/01/2009 Common Stock 4,166,667 $ 0.18 28,475,192 I (2) See footnote (2)
7% Convertible Notes $ 0.18 06/26/2007   C     $ 750,000 06/26/2007 08/01/2009 Common Stock 4,166,667 $ 0 24,308,525 I (2) See footnote (2)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
WHITMORE BRADFORD T
1560 SHERMAN AVE
SUITE 900
EVANSTON, IL 60201
    X    
ALEXANDER FINANCE LP
1560 SHERMAN AVE
STE 900
EVANSTON, IL 60201
    X    
SPURGEON CORP
290 S COUNTY FARM RD
THIRD FL
WHEATON, IL 60187
    X    

Signatures

 Bradford T. Whitmore   07/06/2007
**Signature of Reporting Person Date

 Jerald A. Trannel, Vice President: Spurgeon Corporation   07/06/2007
**Signature of Reporting Person Date

 Bradford T. Whitmore, President: Bun Partners, Inc.   07/06/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The reporting persons converted $750,000 face amount of amended and restated 7% convertible notes on June 26, 2007, at a conversion price of $0.18 per share, resulting in the acquisition of 4,166,667 shares of common stock.
(2) As president of Bun Partners, Inc., General Partner of Alexander Finance, LP, and as General Partner of Grace Brothers, Ltd. Bradford T. Whitmore is an indirect beneficial owner. As General Partner of Alexander Finance, LP, and Grace Brothers, Ltd., Spurgeon Corporation is an indirect beneficial owner.
(3) The reporting persons amended and restated existing notes to extend the maturity date to August 1, 2009, reduce the interest rate of the notes, and provide for the convertibility of the notes into common stock at a conversion price of $0.20 per share.

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