Promissory Note Extension Agreement




$50,000.00  June 4, 2013
For value received, Guardian 8 Holdings, a Nevada corporation (the “Maker”) promised to pay to James G. Miller, or its registered assigns or successors in interest (the “Holder”) the Principal Amount and Interest (both as defined below) in the manner and upon the terms and conditions as set forth in that Term Note (“Note”) in the sum of Fifty Thousand Dollars ($50,000), dated March 6, 2013, which Note becomes due and payable on or about June 4, 2013.

By execution by the parties herein, this Promissory Note Extension Agreement extends the Maturity Date of the Note to and including September 1, 2013. All terms and conditions of the Note shall remain the same other than the Maturity Date.

IN WITNESS WHEREOF, Maker and Holder have caused this Promissory Note Extension Agreement to be executed and delivered as of the day and year first above written.

a Nevada corporation

By: /s/ C. Stephen Cochennet                                      
                                                                                                C. Stephen Cochennet, Chief Executive Officer


/s/ James G. Miller                                                                                                                                 
James G. Miller