B.  WHEREAS, First and Second Contractors and AET have thus far workedtogether successfully to accomplish the goals and objectives of the Agreement; and  C.  WHEREAS, due tochanging circumstances and events, and through no fault of any of the Parties, some but not all of the new components outlined in Section 2.01.2 of the Agreement have been designed, developed, manufactured and delivered to AET within the first threemonths of the Agreement, but certain other new components will not be manufactured and delivered to AET until the second three months of the Agreement; and  D.  WHEREAS, the Parties agree that it is in the best interests of the accomplishment of the objectives of the Agreement, and the successful development of OX2 Engine, that Section 2.01.2 beamended to reschedule the delivery dates for the manufacture and delivery of certain of the new components outlined in said section, and, further, that the delivery date of the “First Gen-Set OX2 Engine” be advanced from the date set forthin Section 2.01.5 of the Agreement to a date within the parameters of Section 2.01.2 of the Agreement. Advancing the delivery date of the First Gen-Set OX2 Engine will enable AET to take possession and begin testing of this important new enginedesign nine months sooner than the date now called for in the Agreement;  NOW, THEREFORE, the Parties hereby agreethat the Agreement shall be amended by this First Amendment as follows:  **1.**  ***Amendment of Section 2.01.2***.    The Parties hereby agree that Section 2.01.2 of the Agreement is amended to read as follows (said Amendment hereby being incorporated by referenceinto the Agreement as though set forth in full in the Agreement *ab initio*)  “SECTION 2.01.2  **Design and manufacture of New Components**.     The First and Second Contractors agree to 2 
 design, develop, and manufacture and deliver to AET within three (3) months fromthe date of this Agreement the new components listed under subparagraphs 1 and 2, below:  (1)  Twelve (12) single ring pistons for retro-fit to No. 3 Engine. To be delivered within thirty (30) days from the date of this Agreement.  *[DELIVERED 12/2001.]* (2)  Test Rig for “port seals” so as to test and optimize performance. Initial Rig within sixty (60) days.  *[DELIVERED 1/2002.]* (3)  Three (3) “High Compression Machined Blocks.” First machined block within thirty (30) days from the date of receipt of heat treated blocks. Second machined block within forty-five (45) days ofreceiving heat treated blocks. Third Machined Block within seventy (70) days of receiving heat treated blocks.  *[MOVE TO PHASE 2.]* (4)  Twenty-four (24) Cylinder Sleevesfitted to suit High Compression Machined Blocks. First eight (8) sleeves to be delivered with first block and second eight (8) sleeves to be delivered with second Machined Block, and third eight (8) sleeves to be delivered with third Machined Block. *[MOVE TO PHASE 2.]*3 
 (5)  One (1) set of single ring pistons to suit HighCompression Machined Blocks. To be delivered within forty-five (45) days from the date of this Agreement.  *[MOVE TO PHASE 2.]* (6)  Ten (10) twenty millimeter port sealsto be delivered within fifty-five (55) days and then additional port seals as versions improve.  *[MOVE TO PHASE 2.]* (7)  One (1) Port Plate Insert to suit HighCompression Machined Block to be delivered with first machined Block.  *[MOVE TO PHASE 2.]* The new components listed at subparagraphs 3, 4, 5, 6 and 7, above, shall be delivered to AFTwithin six (6) months of the date of this Agreement.”  **2.**  *******Amendment to Section 2.01.5*******.    The parties hereby agree that Section 2.01.5 of the Agreement is amended to read as follows (said Amendment hereby beingincorporated by reference into the Agreement as though set forth in full in the Agreement. *ab initi*o)  “SECTION 2.01.5  **Manufacture of Fourth and Fifth Prototype OX2 Engine**.    The First and Second Contractors agree to deliver to AET a Fourth OX2 Engine and Fifth OX2 Engine, inaccordance with the following schedule:  (A)  If requested by AET in accordance withSection 2.01.6.3, a Fourth OX2 Engine, which will be 4 
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 First Durability Testing OX2 Engine to AET within ten (10) months from the date of this Agreement.  (B)  A Fifth OX2 Engine, which will be designed, manufactured and produced and delivered to AET forthe special purpose of operating a generator in a commercial context with the goal of operating a 25/30 KW Caterpillar generator. This engine is to be known as the “First Gen-Set OX2 Engine.” The First and Second Contractors shall deliversaid First Gen-Set OX2 Engine to AET by no later than February 28, 2002.  *[MOVE TO PHASE 2.]* Except as hereinabove set forth, the Agreement remains in full force and effect as originally set forth and executed. **IN WITNESS**, the Parties hereto have duly executed this First Amendment on the date first above written. SIGNED, SEALED AND DELIVERED        ) BY SAID STEVEN CHARLES MANTHEY) IN THEPRESENCEOF:                                )            /s/    STEVEN CHARLES MANTHEY  /s/    MICHAEL JOHNSTON, ESQ. WITNESS 5 
 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                 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                                   6