B.  WHEREAS, the Parties agree that it is in the best interests of theaccomplishment of the objectives of the Agreement, and the successful development of the OX2 Engine, that the following Sections of the Agreement be amended in accordance with their Second Amendment, with all other terms and conditions of theAgreement to remain in full force and effect;  NOW, THEREFORE, the Parties hereby agree that the Agreement shallbe amended by this Second Amendment as follows:  **1**.  ***Amendment of Section2.01.4.    ***The Parties hereby agree that Section 2.01.4 of the Agreement is amended to read as follows (said Amendment hereby being incorporated by reference into the Agreement as though set forth in full in the Agreement*ab initio*):  “SECTION 2.01.4  **Manufacture of ThirdPrototype OX2 Engine.**    The First and Second Contractors agree to design, manufacture and deliver to AET a Third OX2 Engine by no later than July 19, 2002, for the primary purpose of conducting performance testing and/ordesign modifications. This engine is to be known as the ‘Third Performance Testing OX2 Engine’ and will incorporate a High Compression Block which has been machined by the Second Contractor and shall be fitted with a port assembly withzero overlap and a sinusoidal cam profile (following the lines of a crank-engine of the same stroke), and other design features with which Dick Ronzi concurs, with the goal that the said engine shall achieve 25% Break Thermal Efficiency (BTE), andbe capable of operating a 25 KW generator using liquid propane gas or compressed natural gas as a fuel system. This engine is to be hereinafter referred to as the ‘Ronzi Gen-Set Engine.’ 2 
 **2.**  ***Amendment of Section2.01.5.***    The parties hereby agree that Section 2.01.5 of the Agreement is amended to read as follows (said Amendment hereby being incorporated by reference into the Agreement as though set forth in full in theAgreement, *ab initio*):  “SECTION 2.01.5  **Manufacture ofFourth and Fifth Prototype OX2 Engine.**    The First and Second Contractors agree to deliver to AET a Fourth OX2 Engine and Fifth OX2 Engine, in accordance with the following schedule:  (A)  If requested by AET in accordance with Section 2.01.6.3, a Fourth OX2 Engine, which will be designed,manufactured, produced and delivered for the primary purpose of AET conducting durability testing (W.O.T.). This engine is to be known as the “First Durability Testing OX2 Engine.” The First and Second Contractor shall deliver said FirstDurability Testing OX2 Engine to AET within twelve (12) months from the date of this Agreement.  (B)    By no later than July 24, 2002, or, immediately on the demand of AET, the Fifth OX2 Engine (which First and Second Contractors hereby represent has been manufactured and is currently fully operational)shall be delivered to AET, with the goal that this engine be capable of achieving 25% Break Thermal Efficiency (BTE), and operating a 25KW generator using liquid propane gas or compressed natural gas as a fuel system. This 3 
 engine is to be hereinafter referred to as the ‘Manthey Gen-SetEngine.’”  **3.  *****“Section 5.10[New].*******    First and Second Contractors are to deliver, or cause to be delivered to AET, by no later than Friday, June 7, 2002, a complete set of current OX2 engine drawings in a solid Works digital format. Thesefiles can be provided on Zip disk or CD media.”  Except as hereinabove set forth, the Agreement remains infull force and effect as originally set forth and executed.  ***IN WITNESS,*** the Parties hereto haveduly executed this First Amendment on the date first above written. ****** SIGNED, SEALED AND DELIVERED  )      BY SAID STEVEN CHARLES MANTHEY  )      IN THE PRESENCE OF  )     /s/    STEVEN CHARLES MANTHEY               /s/    MICHAEL JOHNSTON, ESQ.         WITNESS                   OX2 ENGINE DEVELOPMENT EXECUTED  )      BY ITS DULY AUTHORIZED OFFICER  )      IN ACCORDANCE WITH THE CORPORATIONS  )      LAW IN THE PRESENCE OF:  )     /s/    STEVEN CHARLES MANTHEY               /s/    MICHAEL JOHNSTON, ESQ.         WITNESS         4 
The Common SEAL of ADVANCED  )      ENGINE TECHNOLOGIES, INC. was  )      duly affixed in accordance with its  )      Articles of Association in the presence of:  )     /s/    M. Neil Cummings, Esq.               /s/    M. Neil Cummings, Esq.         COMPANY SECRETARY/TREASURER         5