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Natural Soda, Inc. DRMS Permit No. M1983-194 Amendment 03 - Attachments 1. Exhibit A: Legal Description - The area of Natural Soda, Inc's (NSI) four historic sodium leases was stated in Exhibit A, Amendment 02 of the M-1983-194 permit and also in NSI's 2010 Mine Plan. These sodium leases, granted by the US Department of Interior, Bureau of Land Management, provide for approximately 8,223 acres within which the BLM has allowed NSI to extract sodium minerals and for which, the federal government receives royalties. NSI wishes it known that their historic and planned area of affected acreage has been and will continue to be very minor relative to NSI's total lease area. 2. Exhibit B: Index Map C - Please refer to NSI 2010 Comprehensive Monitoring Plan, Page 4, Figure 2. 3. Exhibit C: Pre Mining and Mining Plan Map(s) of Affected Land - a. All adjoining land owners - Please refer to NSI 2010 Mine Plan, Section 2.6, Figure 2-3. b. Name/location creeks, roads, buildings, oil/gas wells and pipelines, power/telephone lines within affected land and 200 feet adjacent. - Please refer to Figure 1 of this document. c. Existing topography - Please refer to Figure 1 of this document. d. Total affected area involved in operation - The total affected area involved in NSI's insitu mining operations after 20 years of operations is approximately 60 acres (recent mining activities plus DRMS 2008 statement of disturbed acreage). NSI's process plant, ponds and historic well field affected areas are highlighted on Figure 2 of this document. In lease areas, where NSI has conducted solution mining activities, NSI's affected acreage, for its well field operations, is less than 1 acre in 10 (8.9%), or to restate, more than 91% of the land in areas where NSI has solution mined is unaffected. NSI's mining operations over the next 20 years and beyond is expected to involve operations in portions of Township 1 South, Range 98 West, 6th Principal Meridian, the South %z of Sections 25 and 26 and yet to be determined portions of Section 27 please refer to NSI 2010 Mine Plan Section 6.4.6 (CONFIDENTIAL) and Figure 6-7 (CONFIDENTIAL). Note that the mine panels indicated on Figure 6-7 do not represent actual or proposed affected areas. The actual affected acreage (well pads and access routes) will be a small portion of the area indicated as "Mine Panel". The placement of new well pads and access routes will be determined as mining progresses and additional knowledge and technology is applied. The total affected area for proposed insitu mining is not expected to rapidly increase or exceed 260 acres over the life of the mine. Affected acreage relating to current and future mining operations has and will continue to involve the minimal amount of access routes necessary and small well pads which are used to drill and develop the insitu mining intervals as well as exploration and monitoring wells. Existing well pads and wells are often developed to accommodate multiple uses over the life of the well and mining operation, thereby reducing the affected acreage to a Daub & Associates, Inc. Printed: 11/17/2010 Page 1 of 5 Natural Soda, Inc. DRMS 112 Permit Application Amendment 03