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<br /> UNITED STATES Serial Number
<br /> DEPARTMENT OF THE INTERIOR COCOI 183290Vo
<br /> BUREAU OF LAND MANAGEMENT
<br /> Sodium Lease Renewal w
<br /> PART 1.LEASE RIGHTS GRANTED.
<br /> This lease renewal,entered into by and between the UNITED STATES OF AMERICA,through the Bureau of Land Management,hereinafter
<br /> called lessor,and
<br /> Solvay Chemicals,Inc.
<br /> 3737 Buffalo Speedway,Suite 800
<br /> Houston,TX 77098 €
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<br /> hereinafter called lessee,is effective January 1,2016,for a period of 10 years,with preferential right in the lessee to renew for successive periods of
<br /> 10 years under such terms and conditions as maybe prescribed by the Secretary of the Interior,unless otherwise provided by law at the expiration of
<br /> any period,and provided that the sodium is being produced in paying quantities at the end of the 10-year renewal period and,if renewed,at the end
<br /> of each successive 10-year period.
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<br /> Sec. 1.This lease is issued pursuant and subject to the terms and provisions of the Mineral Leasing Act of 1920,as amended and supplemented,41 P
<br /> Stat.437,30 U.S.C.181-287,hereinafter referred to as the Act;and to the regulations and formal orders of the Secretary of the Interior which are
<br /> now or hereafter in force,specifically including,but not limited to,43 CFR 23(to the same extent as if the operations under this lease were surface F
<br /> mining),3500,and 3590,when not inconsistent with the express and specific provisions herein. F
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<br /> Sec.2.Lessor,in consideration of rents and royalties to be paid,and the conditions and covenants to be observed as herein set forth,hereby grants
<br /> and leases to lessee the exclusive right and privilege to explore for,drill for,mine,extract,remove,beneficiate,concentrate,or otherwise process
<br /> and dispose of the sodium deposits in the Saline Zone,hereinafter referred to as"leased deposits,"in,upon,or under the follbwing described lands:
<br /> Sixth Principal Meridian,Colorado Y
<br /> T.1 S.,R.97 W., i
<br /> sec. 19,lots 1 thru 4,E%,and E%:W%:; ►
<br /> sec.20; a
<br /> sec.21,ShSW'/.,and E%:SE'/+;
<br /> sec.22,lots 1 thru 14;
<br /> sec.28,EhNEY,SW%NE'/,,and W%:NW%;
<br /> sec.29,lots 1 thru 8.
<br /> containing 2,543.39 acres,more or less,together with the right to construct such works,buildings,plants,structures,equipment,and appliances and
<br /> the right to use such on-lease rights-of-way which may be necessary and convenient in the exercise of the rights and privileges granted,subject to
<br /> the conditions herein provided. €
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<br /> Sec.3.DEFINITIONS.The following definitions shall be used in the interpretation of this lease:
<br /> (a)"Oil Shale"is a fine-grained sedimentary rock containing organic matter which was derived chiefly from aquatic organisms or waxy spores or
<br /> pollen grains,which is only slightly soluble in ordinary petroleum solvents,and of which a large proportion is distillable into artificial petroleum.
<br /> This term is applicable to any argillaceous,carbonate,or siliceous sedimentary rock which will yield oil upon destructive distillation.In this lease, k
<br /> "destructive distillation" means the process of decomposition of oil shale where heat is applied to a temperature at which the hydrocarbons are
<br /> converted to vapors and/or liquids.
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<br /> (b)"Saline Zone"in this lease means the lower part of the Parachute Creek Member of the Green River Formation in the Piceance Creek Basin,the
<br /> top of which zone is defined at any point by the characteristic"dissolution surface"and the bottom of which is defined at any point by the horizon
<br /> marker designated as the"Blue Marker,"which forms the approximate base of the Parachute Creek Member.
<br /> (c)"Leased deposits"means(1)all sodium compounds and any related products thereof in the Saline Zone not intermingled with oil shale averaging
<br /> 25 gallons of shale oil or more per ton of rock mined(hereinafter referred to as"25 g.p.t.oil shale'),such average to be determined monthly for
<br /> each calendar month by modified Fischer assays of the rock mined by lessee for processing or beneficiation by any method,and(2)all sodium
<br /> compounds and any related products within the Saline Zone which are intermingled with 25 g.p.t.oil shale and which can be mined,extracted,
<br /> processed,beneficiated,used,and disposed of without the destructive distillation of the 25 g.p.t.oil shale and without significantly changing the
<br /> composition of the 25 g.p.t. oil shale or rendering it more unsuitable in any material respect for development, retorting, processing, use, or
<br /> disposition.As used herein,the term"related products"shall,in no event,include oil shale.
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