PROTEA BIOSCIENCES GROUP, INC.

 

CONVERTIBLE PROMISSORY NOTE ADDENDUM

 

$50,000 Issue Date: November 30, 2012

 

This addendum is to acknowledge the fact that Leo Harris, by signing below, has
agreed to extend the maturity date for the Converible Promissory Note issued by
Protea Biosciences Group, Inc., a Delaware corporation (the “Company”), for the
sum of $50,000 on September 25, 2012 (Issue Date). Whereas the original maturity
was 60 days from the Issue Date, which results in a Maturity Date of November
24, 2012, this addendum extends the Maturity Date by 90 days to February 22,
2013.

 

All other specifics of the original Convertible Promissory Notes remain as
stated in the original Note.

 

  Name of Holder: /s/ Leo Harris       Address:_____________________      
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