EXHIBIT 10.3

Extension Agreement made this 12th day of June, 2006 by and between Unotech
Diagnostics, Inc. (“Unotech”) and Matritech, Inc. (“Matritech”).

Whereas, the Unotech and Matritech are parties to a Contract Manufacturing
Arrangement dated March 22, 2001 (the “Agreement”), and the Addendum dated June
1, 2001; and

Whereas, the Agreement is due to expire on April 22, 2007, the end of the
original six year term; and

Whereas, both parties desire to extend the Agreement for one year, in accordance
with the terms of the Agreement.

The parties therefore agree as follows:

1.    Unotech and Matritech mutually agree to extend the Agreement for one year
to April 22, 2008.

2.    Except as expressly set forth herein, the terms and conditions of the
original Agreement are hereby ratified and confirmed.

 

 

Unotech Diagnostics, Inc.  Matritech, Inc.             
By:  /s/ Geng-Shuen Wu

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Its:  President

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Date: 6/06/06

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By:  /s/ David L. Corbet

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Its:  President & COO

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Date: 6/12/06

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