EXTENSION AGREEMENT This extension agreement is entered into between Tower Tech, Inc. as Maker and Electrical Constructors as Lender to mutually extend the Maturity date of that certain Promissory Note dated May 8, 1996 in the amount of $500,000.00 to...

                               EXTENSION AGREEMENT

     This extension  agreement is entered into between Tower Tech, Inc. as Maker
and Electrical  Constructors  as Lender to mutually  extend the Maturity date of
that certain  Promissory  Note dated May 8, 1996 in the amount of $500,000.00 to
June 14, 2000. Initials: JHE HC

Lender Signature:                          Maker Signature:
Electrical Constructors                    Tower Tech, Inc.
00 Xxxx Xxxxxx                             XX Xxx 0000
Xxxxxxxx, Xxxx 00000                       Xxxxxxxxx, Xxxxxxxx 00000

ss/X. X. Xxxxxxx                           ss/Xxxxxx Xxxxxx
______________________                     _______________________
XXXXX XXXXXXX                              XXXXXX XXXXXX
Partner                                    Chief Executive Officer


Attest:                                    Attest:

Ss/Xxxxx X. Xxxxxxxxxxx                    ss/Xxxx Xxxxxx
______________________                     ________________________
XXXXX X. XXXXXXXXXXX                       XXXX XXXXXX
Witness                                    Secretary