POWER OF ATTORNEY

        Know all by these presents, that the undersigned hereby
	constitutes and appoints each of Scott Glickson, Rachel
	Williams Mantz and Gary Berger signing singly, the
	undersigned's true and lawful attorney-in-fact to:

	(1)	execute for and on behalf of the undersigned, in
	the undersigned's capacity as an officer and/or director
	of ISCO International, Inc. (the "Company"), Forms 3, 4,
	and 5 in accordance with Section 16(a) of the Securities
	Exchange Act of 1934 and the rules thereunder;

	(2)	do and perform any and all acts for and on behalf
	of the undersigned which may be necessary or desirable to
	complete and execute any such Form 3, 4, or 5, complete
	and execute any amendment or amendments thereto, and timely
	file such form with the United States Securities and Exchange
	Commission and any stock exchange or similar authority; and

	(3)	take any other action of any type whatsoever in
	connection with the foregoing which, in the opinion of such
	attorney-in-fact, may be of benefit to, in the best interest
	of, or legally required by, the undersigned, it being
	understood that the documents executed by such attorney-in-
	fact on behalf of the undersigned pursuant to this Power
	of Attorney shall be in such form and shall contain such
	terms and conditions as such attorney-in-fact may approve
	in such attorney-in-fact's discretion.

        The undersigned hereby grants to each such attorney-in-fact
	full power and authority to do and perform any and every act
	and thing whatsoever requisite, necessary, or proper to be
	done in the exercise of any of the rights and powers herein
	granted, as fully to all intents and purposes as the
	undersigned might or could do if personally present, with
	full power of substitution or revocation, hereby ratifying
	and confirming all that such attorney-in-fact, or such
	attorney-in-fact's substitute or substitutes, shall lawfully
	do or cause to be done by virtue of this power of attorney
	and the rights and powers herein granted.  The undersigned
	acknowledges that the foregoing attorneys-in-fact, in
	serving in such capacity at the request of the undersigned,
	are not assuming, nor is the Company assuming, any of the
	undersigned's responsibilities to comply with Section 16
	of the Securities Exchange Act of 1934.

        This Power of Attorney shall remain in full force and effect
	until the undersigned is no longer required to file Forms 3,
	4, and 5 with respect to the undersigned's holdings of and
	transactions in securities issued by the Company, unless
	earlier revoked by the undersigned in a signed writing
	delivered to the foregoing attorney-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power
	of Attorney to be executed as of this 15th day of September,
	2008.


					/s/ John Owings
					_______________________
                                        Print Name: John Owings