Exhibit 4.21



LEASE AMENDMENT #189099

LEASE AMENDMENT (Agreement) made as of May 1, 2005, between NEVADA LAND AND RESOURCE COMPANY, LLC, a Nevada Limited Liability Company (hereinafter NLRC), and NORAMEX CORPORATION, a Nevada corporation, (hereinafter Lessee).

RECITALS:

NLRC is the Lessor and NORAMEX CORPORATION is the Lessee under that certain Geothermal Lease, dated August 1, 2004 and designated in the files of NLRC as Contract No. 189099, relating to use of Premises situate in the County of Washoe, State of Nevada, (the Premises). Said contract, together with any and all modifications, supplements and amendments thereto, whether or not referred to above, being hereinafter called the Lease.

Lessor and Lessee desire to amend the aforementioned Lease, effective May 1, 2005, upon the terms and conditions hereinafter set forth.

AGREEMENT



1.

The description of the Premises is amended to include the following Leased acreage, more particularly described as that property situate in Washoe County



Township 23 North, Range 24 East, MDB&M

Section 11

All

640.00 acres



The Leased acreage is more particularly described in Revised Exhibit A, attached hereto and

made a part hereof, which shall replace any and all previous legal descriptions or Exhibits of said Lease.

2.

The above addition changes the current Leased acreage from 4,426.69 acres to 5,066.69, a total addition of 640.00 acres.

3.

It is mutually understood and agreed that the Lease fee shall be increased to $10,133.38 payable annually in advance, and continuing each subsequent year, during the term of the Agreement, with an annual increase per the-terms of the Lease Agreement

4.

Except as herein amended and supplemented, the Lease shall remain unchanged and continue in full force and effect as written

IN WITNESS WHEREOF, the parties hereto have executed this Agreement, in duplicate, as of the day and year first written above.



|                                      |  |                    
|------------------------------------- |  | -------------------
|NEVADA LAND AND RESOURCE COMPANY, LLC |  | NORAMEX CORPORATION
|COMPANY, LLC                          |  |                    
|                                      |  | /s/ Brian Fairbank 
|Dorothy Timian-Palmer                 |  | Brian Fairbank     
|Chief Operating Officer               |  | President          









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REVISED EXHIBIT ANoramex Corporation
Geothermal Lease #189099



|                                                                                    |                                                    |                                  |         | 
|----------------------------------------------------------------------------------- | -------------------------------------------------- | -------------------------------- | ------- | 
|                                                                                    |                                                    | Acres                           
|All that property situated in Churchill County, NV, more particularly described as: |                                                   
|                                                                                    |                                                   
|Township 23 North, Ranqe 25 East, M.D.M.                                            |                                                   
|Section   05                                                                        | All                                                | 754.24                          
|Township 24 North, Ranqe 25 East, M.D.M.                                            |                                                   
|Section  29                                                                         | All                                                | 640.00                          
|Section  31                                                                         | All                                                | 581.40                          
|                                                                                    |                                                    |                                 
|                                                                                    |                                                    | Acres leased in Churchill County | 1975.64
|                                                                                    |                                                    |                                 
|All that property situated in Washoe County, NV, more particularly described as:    |                                                   
|                                                                                    |                                                    |                                 
|Township 23 North; Ranqe 24 East, M.D.M.                                            |                                                   
|Section   01                                                                        | All                                                | 695.01                          
|Section   03                                                                        | All                                                | 700.52                          
|Section   11                                                                        | All                                                | 640.00                          
|Township 24 North, Ranqe 24 East, M.D.M.                                            |                                                   
|Section   35                                                                        | SW/4 W/2 NW/4, W/2 E/2 NW/4                        | 280.00                          
|Section   35                                                                        | E/2 NE/4, NE/4 SE/4, E/2 NW /4 NE/4, E/2 SE/4 SE/4 | 160.00                          
|Township 23 North, Range 25 East, M.D.M.                                            |                                                   
|Section   07                                                                        | All                                                | 615.52                          
|                                                                                    |                                                    | Acres leased in Washoe County:   | 3091.05
|Total Acres in Geothermal Lease #189099                                             | 5066.69