UPDATl S - TA

us.** • I; J . r ' ' i 0 0

2328-WC „ 1 V , r r , [ ; f M n j i ., . •"•' l l- ?, -W2 PRUDENTIAL IN' uRANCL , L . , . . . . ,

OF AMERICA, I H I . (Bechtel Energy Reso.-rces)

W V ! '.KflFIEt? MAl I . Kl 1'IJJiiS KK U l - T REQUESTED

P V v 221 634

Minerals Managcmcn SL^ic-.. Ciull nl Mexico CK S Legion 1201 lilmwood Pack boulevard Nev. Oilcans. Louisiana 70123-2394

Attention: MS542/LiiNelle Boehm

Dear Ms. Boehm:

[inclosed please find three copies of a K - 1 s e of Liens and Security interests, one copy for filing in each of the folio ving lease tiles:

1. # OCS - Ci 45: ' .Ira/.os Block , 2. # OCS ( i 4 c ) Bra/o« Biock A-:«. 3. # OCS H'gh Islan P , :k ' .9

Also enclose J i: • cl numher 33 33i5 jn t • ; .-noun! of $75.(X> payment l it . three tilings.

Please send ».riiten a '., Aleugcment lo me at the above addre>!- when the Release ,s on tile vi l l i the appr< i r ' n . leases.

If you have anv H uesf ns. )K ase ca l me at (' 13) 229-1S84.

Very truly yours,

Bar n.i ra Hcimar.n I t ral Assistant

cc: Mr. Iid I learn

1 i0!'»,l»7M, U'XKlM

KKI.K/ SK OF KIKNS AND SKClj KI I Y INTKKKSTtU«£R f l L S „ CEMENf ,%£RV»«

tfASifiG 4 : rA'ifiONMf NT

'. ms Relei'i.- I I ens -tnd Security Interes.-. .re "Release''), dated as nf the . f r ^ d a . <S tyAuv-. 1°.)2 HU- "Effeetive Date" i f r i m Hank of Amer ica N a t i o n a l Trust ana Savings Association (the "Bank' whose address 555 California Stn et, P.O. Box 3700C, San Francisco, California 94137 to Kcchte! Knergy Parti . .. ' td.. « Texas limited partnership ("Bechtel"), whose address 5555 San Felipe. Stile 600. Houston, Texas 77210 4253 and its successors an l a igns.

:t»: r iA' .s

WHEREAS, the Bank and Bechtel entered into th. t certain Credit Agreement dattd as uf October 10, 1989 i as same may hive b en am';.iced and modified from tin:<; to time the "Credit Agreement"); and

WHKRKAS, to secure the payment .,f, among oth^r things, the loans made by th-- Bank to Bechtel under the Credil .Agreement, Becht'l executed and delivered to Eliza! -th V. A Ferguson, as frustee for th-j Bank that certain Deed ofTrus t , Assig' lentof Production, Security Agreement and Financ ng Statement dati d as of October 10, 1989 ( th i "Mortgage") and recorded as shown on Schedule I attached hereU1 and made a p o t hereof; and

WHEREAS, the Mortgaged •' .>perties (a« deiined in the Mortgage; indude, artoiy other things, Bechtel's i n u . ^ . l n the oil ana gas leases described on Exhibit L at' ahed hereto and m-bd>> a p;.rt hereof; aad

WHEREAS, a l l of the indebi"dneis of Bechtel under the Credit A g r e aiert has been p; id in fu l l ; and

WHKRKAS, th»- Bank desires UJ release and discharge the Mortgaged t roperties from t i e liens, security interests and Pssignments created by the Mortgage

KKI.K ASK

NOW rHEKEFORE, in consideration of the prem s and f;a other gooti and valuable consid< ation the receipt ar.d sufficiency >! which are hereby

cknowledged, the ' u I : has FORE\ KR REIT SKI) and DISCHARGED and bv these presents doe.. . er 'by FOREVER RE I KA. and DISCHARGE Bechtel and its successors a ••' siigns, the Mortgaged Properties from thv ' i ' . .s . security inte re su> : nd assignmcntr • -'hatsuever nature held b. tin- Bank - » secure any indebtedness owing to the Bunk by Bvchtel, including, without limit., ion, any such liens, security interests ard a.ssignmen' •"•••••r d by the Mortgage

i h s Keleas u made without warranty or recourse of any kind, excel t tb i t the bank warrants iba 1 tu is the sole owner and holder oi the liens, security int> r» si.-, and assignments creaO d by the Mortgage and (ii) it has the ful l power and

BEST AVAILABLE COPY

authority Ui r lease ar.d d sc i . . . . 1 tha Mortgaged 1'' , n Lies fron. the liens, security interests and a* signments c —«*. i * * f < b j ".he Mo: igagc

IN WITNES.-) W I L l ' E O F . the B.-nk I n cuscd -nis Release to be duly executed on tht'cate in the ack'.ovledgeme.it appen led hereto, in multiple original C0xi '-erparts, " i ceffective for all p... ,."ses «•.» of the EITective Date.

Hank of America National Trust and Savings Association

) By: - • ' Name: / ..• j • ". * Title: i / , ( . .. ?-

ST ATL OF CALIFORNIA

COUNTY OF •-, \ • §

BEFORE ME, the 'inder^igned authority, on '.lusday personally appeared R ' ' v ' •> • '-\ ( < • \- . the • ,c t '. j - j . ' ~ f ai Bank of America National

Trust and Savings Associati J ' a i d acknowledged that he executed the f<jregoing instrument on behalf of Bank •/' -ner ica National Tr . s t ar.d Savings Association.

GIVEN UNDER MY HAND AND SEAl OF OFFICE, th _ d a y o f I Icr . 1992.

fe,, in Notary Public in anaTor the State of California

OffClAl Sf At D/VS 6ERMUDL7

Not HAte-Co-vr-ia HN CaCOCC.'iTY

MV C J f lMui [r&:oi Oewb* 7 . i<W4

Printed Name of Notary:

My Commission e xpires._ /

S C I I K D l l.K I

Record iri}.; Locution

MaUyordr. County, Texas

•'"'barnbers Count} . '''exas

Daws.n County, '''exas

Jeffcrs/ ' i Co1 " Texas

Office of Miner >ls Management Service

Recording Reference

Volume 239, Rage 233 OfTicial Records

89-93-534 OfTicial Public Records

Volume 204, Rage 133 Deed ofTrust Records

102-91-0733 Official Public Records

November 3, 1989

c y. w ; r : *

i r a r r e I '. i

W«ll Saaa(s) i Barra t t " l l " Ho. 1 N«U

D«acrlptlon»

160 acres, aora or l a t i , being the land desenbad at the Northwest Quarter ( W / 4 ) of Saction 11, Bloc* M, E . L . R.R. Railway Company Survsy, Dawaon County, Taxaa, subject to tna fo l loving laaaaa:

1. O i l , Gaa and Minaral Laaaa aated Auguat 1, 1331, bs«.veen Margarat Morrla B a r r e t t , Laaaor. and MTS L i a l t a d Partnership , Laaaaa, racordad in Voluaa 245 , Paga 375, O i l and Caa Record*. Dawaon County, Taxaa.

2. O i l , Gaa and Miner*: Laaaa datad Deceaber 14, 1983, batwaan Jaanna E l l i oath Jonas, Laaaor, and Meaa Pstrolaua Company, Lassaa, racordad In Voluaa 262, ?aga 729, O i l and Gaa Racorda, Dawaon County, Taxaa; and

3. O i l , Gas and Mineral Laaaa datad December 14, 1983, batwaan L a t i t i a Ann Slaaone, Laasor, and Jerry I . Roan, Les see , racordad In Voluaa 262, Paga 731, O i l ind Gas R ords, Dawson County, Taxaa.

Subject Interes t :

Leaaehold Operating In teres t

Mat Revenue Intaraat

Bechte l Enargy Partners , L t d . , a Texas H a l t e d partnership .7500000 .5625000

^ST AVAILAL E COPY E x h i b i t A (cent 2 . ) I P a r c e l 2)

j f e l l • — ( • ) ! Thomas "11" Nos. 1, 2, 3, and 4

Q # « c r l p t l o o :

160 -eras, nor* or less, being the land described as tha Southwest Quarter (SW/4) of Saction 11, aloe* M, E. L . R.R. Railway Company Survey, Dawaon County, Taxaa, subject to tha following leaae:

1. Oil , Cas and Minaral Laaaa datad March 12, 1979 , batwaan L i l l a r d Thomas, at ux. Lessors, and Hyle C. Doss, Lassaa, racordad in Voluaa 312, Page 92, Oi l and Cas Racorda, Dawaon County, Texas;

Subject Interest! Overriding Royalty

Interest

Bechtel Enargy Partners, Ltd., a Texaa liaited pertnership .0937500

Leasehold Operating Intereat

Net revenue Interest

Bechtel Enargy Partners, Ltd., a Texas liaited partnership

Aa to production froa the Thomas " l l " So. 1 well only

.7500000 BPO .5625000 BPO

.7399740 APO .5549805 APO

Aa to production froa the captioned land save and except the Thoaas "11" No. 1 Well

.7249350 .5437013

:

BEST AVAILABLE UJH c x n i o i i * icom: (Parcel 3)

*« 11 u a t { t ) : Jenkine "12" Noe. I and 2

Oeacr lptloot

60 aerate aora or l a a a , being che land daacribad aa che Caae Hal f uf tha Norcheaat Quarcer (E /2 o£ HZ/4) of Section 12, Bloc* M, £. L . 4 R.R. P.ellvey Compeny Survey, Oewson Councy, Taxaa, subject to tha f o l l o w i n g laaaa:

1. O i l , Gae and Minaral Lease datad August 12, 1981, betveen Mike Jenk ins , Trus tee , Lessor , and Hyle C . Doss, L e s s e e / racordad in Volume 244, Page 665, O i l and Gas Records , Dawaon County, Texas:

LIMITED to depths from tha s u r f a c e to tha base of the San Andres formation.

Subject Intereat:

Leasehold Operating Intaraat

Net Revenue Intaraat

Bechtel Energy Partners, L t d . , a Teias l i a i t e d partnership .7500*7AO BPO .5554688 BPO

.7031250 plus

.0458986 or

.7490236 APO

( . 7031250 x . 75 las s (.75 x .009375) ] plus ( . 0458986 X . 75 ) .5547365 APO

3

BEST AVAILABLE COPY

w«ll *a*»(ai Ne r r i 1.'. *'- 2 * Ho . I

!>eacr Iption:

80 i c r i i / «3f» or le»a, being the land daacribad i s ine Soutn 3alf of cha Southeaat Quarter (3/2 ,f SE/4) of Saction 13, aiccx

5. L. « a.P. Railway Cocnpany Survay, Dawaon County, ?%xa« iub;«ct -.3 tna followinq Leaae:

1. o i l . ~.*a and Mineral laaaa :• :ao Hcva-te: 1, . -atvaen Vtda Johnson at a l , aators. ar.d John E. Sanaen, laaaaa, recorded m Voluaa 228, Page 8 11, Oii ar.d 3as Secerns, Oavsc- County, Texas.

Subject Intereat:

Leasehold Net Revenue. Operating lr.-.erase Interest

aechtel Energy Partners. Ltd. . * Texaa l i a i t e d partnership

Ae to production i rr.e M e r r i l l "13"

Ho. 1 v o l l . r.ly

1.0000000 3PO .7500000 3P

.3125COO .6093750 AJ*J Aa to production froa tne surface to a depth of 4934 feet beneath th* surface, save and except production frca tha M e r r i l l "13' Ho. 1 wel 1

.3125000 .6C.3750

Aa to production froa t.-.e depth of 4934 feet ber.eatn cha surface to 5300 feet oeneatr. t.te surface

6093750

BEST AVAILABLE COPY E x h i b i t (Pare* I

A 'cont'd.) 5)

W i l HaueaMs)1 Cline "14" Ho.

Deecr i p t ioni

160 i c r t i , aore or Less, being tha land daacribad aa tha Southwaat Quarter (SW/4) of Section 14, Bloc* H, E. L. i R.R. Railway Company Survay, Deweon County, Texaa, subject to tbe fo l l o w i n q leases:

1. O i l , Caa and Minaral Leasa datad May 27, 1 98 3 , between Michael Cline, et ux, Leaaors, and MTS Limited Partnership, Lessea, racordad in Volume 261, Paqe 397, O i l and Caa Recorda, Dawaon County, Texas;

2. O i l , Cas and Minaral Laasa dated June IS, 1983 , between A. L. Nooncascer, ec ux. Lessors, and MTS Limited Partnerahip, Lessee, recorded in Volume 258 , Paqe 55, O i l and Caa Recorda, Dawaon County, Texaa* and

3. O i l , Caa and Mineral Laaae dated July 16 , 1983 , between Thelma I . Mooncaecer, Leaaor, and MTS Limited Partnership, Lessee, recorded in Volume 261, Paqe 199, O i l and Cas Records, Dawaon County, Texas.

4. OiL, Oaa and M i n n r a l Lease i a t e d May L, 1989, between Michael C l i n e . et JX, to Bec h t e l Energy Partneis, Ltd., recorded i n VoLuae 32 3, Page 35, O i l and Oas Records, Dawson County, Texas.

Subject Interest:

Leasehold Operating Inceresc

Het Revenue Interest

Bechtel Energy Partners, Ltd. , a Texas l iaited partnership .7500000 .6000000

BEST AVAILABLE COPY (Parcel 6)

g g U K4JM ( i l l Weaver "28" Ho. 1

Deicrlptlooi

A l i of Tract 28, League 3, Taylor County School Landa, Dawaon County, Texae, subjec t to of tha following laaaa:

1. O i l , Cas and Mineral Leaaa dated Noveaber 2, 1904, oetween W i l l i a n M. Weaver, Lessor, and Nortn American R o y a l t i e s , I n c . Leaaee, recorded in Volume 27 3 , Paga 65. O i l and Caa Racorda, Dawaon County, Texas.

Subject Intereat:

Leasehold Operating In tere s t

Net Revenue Intereat

Bechte l Energy Partners , L t d . , a Texas l imited partnership .6250000 BPO

( .62S x .01623 x 8/8 plus .0108 x . 497655 3 x 8/8) • .4922817 BPO

.625 x .8125 lass

.5312500 APO .35 x (.625 x .8125 less ( .625 t .0 16 25 x 8/8 plut .0108 i .4976563 t 8/8) ] • .4184395 APO

6

exhibit A (Cor-.t'd. ) (Parcel 7)

W e l l Naffle(s); Woodward Trust Nos. 1, 1-A, 2, 3, 4, and 5 Well

Descr i p t ion:

A l l of Section 1, Block M, E.L. fc R.R. Railway Ccmpan Survey, Dawson County, Texas subject to the following leases

1. O i l , Cas and Mineral Lease dated November 7, 1979 between The Fort Worth National Bank, Lessor, and Jesse W. Wright, Jr., Lessee, recorded in Volume 228 , Page 207, O i l & Gas Records, Dawson County, Texas;

2. O i l , Gas and Mineral Lease dated November 7, 1979, between Michael E. Holland, et ux. Lessors, Jesse W. Wright, J r . Lessee, recorded in Volur.e 228 , Page 199, O i l & Cas Records, Dawson County, Texas;

3. O i l , Gas and Mineral Lease dated November 7 , 1979, between P h i l i p G. Waiters, et ux, Lessors, ar. Jesse W. Wright, J r . , Lessee, recorded in Volume 228, Page 203 , Oil & Gas Reccrds, Dawson County, Texas;

4. O i l , Gas and Mineral Lease dated April 1, 1980, between Gus White, Jr. et a l , Lessors, and Jesse W. Wright, J r . , Lessee, recorded in Volume 236, Page J75, O i l & Gas Records, Daw--,on County, Texas, as amended by instruments recorded in Volume 254, Page 679 and Volume 255 , Page 27, Oil fc Gas Recorde, Dawson County, Texas;

5. O i l , Gas and Mineral Lease dated November 22. 1982, between Claride W. Walters, Lessor and North American Royalties, Inc., Lessee, recorded in Volume 253 , Page 825 , O i l fc Gas Records, Dawson County, Texas;

6. O i l , Gas and Mineral Lease dated November 22 , 1982 , between Mark W. Walters, Lessor, and North American Royal '.es. Inc., Lessee, recorded in Volume 253 , Page o29, O i l & Gas Records, Dawson County, Texas;

7. O i l , Gas and Mineral Lease dated November 22, 1982, between Davvd K. Walters, Lessor, and North American Royalties, Inc., Lessee, recorded in Volume 25 3 , Fage 8 3 3 , O i l & Gas Records, Dawson County, Texas;

8. Oil, Gas and Mineral Lease dated November 22, 1982, between Stefan Walters, Lessor, a ' North American Royalties, In ., Lessee, rec rded in "•"•-e 253 , z-iqe 8 37 , O i l & Gas Records, Dawson

, Texas;

9. O i l , Cas and Mineral Lease cated November 22, "98., between M. E. Holland, et u\, Lessors , and No--.~. American Royalties, Inc., Lessee, recorded in Volume 253, Page 849, O i l & Gas i e<-o-ds, Dawscn County, Texas;

10. O i l , Gas and Mineral Lease dated February I ' i , 1933, between Janet Holland, Guardian, Lessor, and North American Royalties, Inc., Lessee, recorded in Volume 254, Page 669, O i i and Gas Records, Dawson County, Texas;

11. O i l , Gas and Minera". Leasa d i ted February 13, 193 3, between Janet Koi 1 ^d, Guardian, Lesso:, and North American Royaltie , Inc., Lessee, recorded in Volume 254, Page 6 73 , O i l and Gas Records, Oawson

nty, Texas;

12. .1, Gas and Mineral Lease dated May 21, 19S5, between Gus White, Jr. et a l , Lessors, and Horth American Royalties, Inc., Lessee, recorded in Volume 280, Pate 621, O i l and Gas Records, Dawson County, Texas;

13. O i l , Gas Mineral Lease dated A p r i l 15, 1988, between Cl- de W. Walters, Lessor, and North American Royalties, Inc., Lessee. recorded in Volume 316, Page 131, O i l and Gas Records, Dawson County, Texas;

14. O i l , Gas and Mineral Lease dated A p r i l 13 , 1988, between Mark W. Walters, Lessor, and North American Royalties, Inc., Lessee, recorded in Volume 316. Page 205, O i i and Gas Records, Dawson County, Texas ,-

15. O i l , Gas and Mineral Lease dated A p r i l 15 , 1938, between David K. Walters, Lessor, and North American Royalties, Inc., Lessee, recorded in Volume 316, Pa,;e 193, O i i and Gas Records, Dawson County, Texas;

16. O i l , Gas and Mineral Lease dated A p r i l 15, 1988, between Stefan G. Walters,, Lessor, and Ncrth American Royalties, Inc., Lessee, recorded in Volume 316, Page 139, O i i and Gas Records, Dawson County, Texas;

17. O i l , Gas and Mineral Lease dated A p r i l 15, 19- , between M. E. Holland, et ux, Lessors, and North American Royalties, Tne., Lessee, recorded in Volume 316, Page 135, O i l and Gas Records, Dawscn County, Te<as;

18. O i l , Gas and Mineral Lease da.ed A p r i l 15, 1988, betveen M i c h e l l e Holland, Lesoor, and North American R o y a l t i e s , I n c., Lesr.ee, recorded i n Volume 316, Page 201, O i l and Gas Records, Dawson County, Texas;

19. O i l , Gr. . Mineral Lease d.J.ted A p r i l 15, 1988, betwe.: •.. e l Lee Holland, Lessor, and Ncrth Americ R o y a l t i e s , I n c., Lessee, recordeo i n Volume 31^, Page 197, O i l ar.d Gas Records Dawson County, Texas;

20. O i l , Gas and Mine.-ai lease datf-d August 5. 1988, between Gus White, J r . et ux Lessors, an: Wayne Newkumet, Lessee, recorded i n '.'olume 317, Pjge 36 3 , O i l and Gas Records, Dawson County, Texas:

21. O i l , Gas and Mineral lease dated August 5. 1933, between Jay Lynn White.. Lessor, and r > :umet#

Lessee, reco: ied i n Volume 3-., I'age O i i and Gas Records, Dawi.:n Count'/, Texas; and

22. O i l , Gas and M i n e r a l !• ase datad November 19, 1988, between f"1 . de W. Walters, Levsor, ard E c h t e i Energy Fr i n e r s , L t d . , Lessee, recorded i n Volume 319, Pay-* 531, O i l anc Gas Records, Dawson County, Texas.

S u b j e c t I n t e r e s t :

Leasenr.i Net Revenue O o e r a t i n c Int st I n t e r e s t

B e c h t e l Energy Pa r t ne r s , Ltd . , a T"xas l i m i t e d p a r t n e r s h i p As to p r o d u c t i o n from 120 a-,res ct land,

mere or less, i n the form of a t r i a n g l e out of che Northea-t (NE) p a r t cf Sec t i o n 1, Blcck M.E.L.P.R. Railway Company Survey. Dawsor County, Texas des c r i b e d by metes and bour : i as f o l l o w s :

Eeginr nq at NE corner of said S e c t i o n 1; Then.:* south 75°!?' "-est 950.4 varas; Thence south 43°2' east 17 15.1 varas the ea_> l i n e of sai Section 1; Tnenee n o r t h

i S0 4 i." west 14 ' J •/aras t«: the Place of ; .r.ni r g , SAVr_ AND EXC"PT 3.49 acres of

land being .r.at p c r t i c i ef tne above-de s c r i b e - '.and i o c ' t e d in thi? SW/4 c f the NE 'A of. l a i d Se-"-t-on 1 and 13.33 acre'- of lane toeing that po r* ion of the above-. i e i i c r i l e: i i r . . * l o c a t e d in the NE/4 of the SE/4 ; i S3 i * i e c 1 j " . !

.6250000 BPO .5078125 BPJ

.5312500 APO .4316406 APO

As to p r o d u c t i o n from the above-described 3.49 acre t r a c t

.6250000 BPO [.625 < .75 x .8125 less (.625 x .0144 x.609375)] plus [.625 x .25 x .78 less ( .0144 x .121875 ) ] = .4954950 BPO

.5312500 APO .4211708 APO

As to p r o d u c t i o n from the above-described A.3.33 acre t r a c t

.o2r:Co0 BPO . 625 x . 8125 less (.625 x .0144 x .609375) = .5023281 EPO

.53.2500 APO .4269789 APO

As t o p r o d u c t i o n from the Southwest Quar­t e r of the Northeast Quarter (SW/4 of NE/4) of s a i d S e c t i o n 1

.6250000 BPO .4811349 BPO

.5312500 APO .4089647 APO

As to p r o d u c t i o n from the Northeast Quarter of the Southeast Quarter (NE/4 of SE/4) of s a i d S e c t i o n 1

.6250000 BPO .4829820 BPO

.5312500 APO .4105347 APO

As to p r o d u c t i o n from the West Half c f the Southeast Quarter (W/2 of SE/4), the East Half of the Southwest Quarter (E/2 of SW/4) and the Northeast Quarter of the Southeast Quarter (NE/4 of SE/4) of s a i d S e c t i o n 1

.6250000 BPO .4804800 BPO

.5312500 APO .4084080 APO

10 -

As to production from the renaiider trie io'iCa nu.iui.-'i i n said Sectior; l

.6250000 3PO .48^5000 BPO

.5312500 APO .4143750 APO

- 11 -

BESl AVAILABLE COPY

t—11 ru—(•) I Roae Brot. Noe. 1, 2, 3, 4, 5, 6 and 8 Walla

Qe»cr igtlgBi

Northweat Quarter (NTrf/4), SouthveetQuarter <SK/4) and tna Northeaat Quarter (NE/4), 3AVB AMP ncEW tna Southeaat Quarter of the Southyeat Quarter (SI/4 of SH/4) and the Southeaat Quarter cf the Northeast Quarter (SE/4 of Nl/4), of Section 4, Bloc* 2, j . L. Cunninghaa Survey, Dawaon County, Texaa subject to the followinq leaaa.

1. Oil, Caa and Mineral Leaaa dated Deceaber 23, 1982, between "ran* Wecver Rose, et a l . , Leaaors, and North Aaerloan Royaltiea, Inc., Laaaae, recorded in Volume 253, Paqa 845, Oil and Caa Racorda, Dawfjn County, Texaa, aa aaended by inatruaent recorded in Volume 280, Paqe 135, Oil and Caa Recorda, Dawson County, Texaa.

Subject Intereet:

Aa to production froa tr.e Northwest Quarter of the Nor-.heart Quarter (NW/4 of Nl/4), the Northeast Quarter of tha northwest Quarter tNt/4 of NW/4), the Southeaat Quarter oC the Northwest Quarter (SE/4 of NW/4) and the ^arthweec Quarter of the Southweat Quarter (NW/4 of SW/4) of the captioned 1and m

.6230000 BPO .625 X .80 laaa

Leasehold Operating Interest

Nat Revenue Interest

Bechtel Energy Partners, Ltd., a Texae liaited partnership

( .625 X .0 1625) loss ( .0144 X . 4398*38) • .4827980 BPO

.5312500 APO .85 X ( .625 X .80 laaa (.625 X .01625) iess (.0144 X .4898438 ) 1 • .4103783 APO

L2

B-ST AVAILABLE COPY

AM to production froai the Southwest Quarter of eh* Northvaet Quarter (SW/4 of we/4) and the Northvest Quarter of tna Nortr-.vatt Quarter (NW/4 of NW/4) of tha captioned land.

As to production from tha Northeaat Quarter of tna) Northeaat Quarter (NE/4 of NE/4), the Southveet Quarter of the Northeaat Quarter (SW/4 of NZ/4) and the Southveet Quarter of the Southveet Querter (SW/4 of SW/4) of the captioned land

.6230000 BPO .623 X .80 laaa (.623

S250000 BPO .625 X .80 ieea .625 X .01625) leas ( .0108 X .4898438) -.4845535 BPO

.5 312500 APO .85 X (.625 X .80 leaa (.625 X .01625) leaa ( .0108 X .4898438) ] -.4118705 APO

X .01625) • .4698438 BPO

.5312500 APO .35 X [ .625 X .30 leaa ( .625 X .01625) 1 - .4163672 AJ»0

1 3

E x h i b i t A ( c o n t ' d ) (Parcel 9)

LEASE OCS-G 4358

(Brazes Blcck A-7)

An undiv ided 10% Record T i t l e I n t e r e s t i n O i l , Gas and M i n e r a l Lease o f Submerged Lands Under The Outer C o n t i n e n t a l S h e l f Lands Act b e a r i n g S e r i a l No. OCS-G 4558, dated e f f e c t i v e J a n u a r y 1, 19 8 1 , f r o m the United S t a t e s of America to Mesa P e t r o l e u m Co., e t a i . , c o v e r i n g a i l o f Block A - 7 , Brazos Area, OCS O f f i c i a l Leas ing Map, Texas Map No. 5.

By v i r t u e o f t he f o r e g o i n g , B e c h t e l Energy Par tners , L t d . , a Texas l i m i t e d p a r t n e r s h i p , :s ves ted w i t h ' not less than an 8.33 333% net revenue i n t e r e s t in the Lease, toge ther w i t h the r i g h t t o receive a l i k e percentage o f a l l Hydrocarbons produced t h e r e f r o m ; p r o v i d e d t h a t , sa id net revenue i n t e r e s t , and the r i g h t to rece ive Hydrocarbons a t t r i b u t a b l e t h e r e t o , may be r e d u c e d i n accordance w i t h S t i p u l a t i o n 7 o f E x h i b i t B to the Lease , which p r o v i d e s f o r a s l i d i n g s ca l e r o y a l t y .

PBC A 19 8 : T

14

E x h i b i t A ( c o n t ' d ) (Parce l 10)

LEASE OCS-G 4559

(Brazos Block A-39)

An undiv ided 10% Record T i t l e I n t e r e s t i n O i l , Gas and M i n e r a l Lease o f Submerged Lands Under The Outer C o n t i n e n t a l S h e l f Lands Act b e a r i n g S e r i a l No. OCS-G 4559, dated e f f e c t i v e January 1, 19 fa 1, f r o m the Uni ted States o f America t o Xesa Pe t ro l eum Co., e t a l . , cove r ing a i l o f Block A-39, " razos Area , OCS O f f i c i a l Leas ing Map, Texas Map No. 5.

By v i r t u e o f t h e f o r e g e m g , Bechte l Energy P a r t n e r s , L t d . , a Texas l i m i t e d p a r t n e r s h i p , i s vested w i t h not l e ss than an 8.333331 net revenue i n t e r e s t i n the Lease, t oge the r w i t h the r i g h t to receive a l i k e percentage o f a l l Hydrocarbons produced t h e r e f r o m ; p r o v i d e d t h a t , sa id net revenue i n t e r e s t , and the r i g h t to r ece ive Hydrocarbons a t t r i b u t a b l e t h e r e t o , may be reduced i n accordance w i t h S t i p u l a t i o n 7 o f E x h i b i t 3 t o the Lease , which p r o v i d e s f o r a s l i d i n g s-a le r o y a l t y .

PBCA198:U

•s

E x h i b i t A (cont'd) (Parcel 11>

LEASE OCS-G 473?

(High I s l a n d Block 119)

Ar. und iv ided 18.34862% Record T i t l e I n t e r e s t i n O i l , Gas and M i n e r a l Lease c f Submerged Lands Under The Outer C o n t i n e n t a i S h e l f Lands Act b e a r i n g S e r i a l No. OCS-G 4739, dated e f f e c t i v e September 1, 1981, f r c m the U n i t e d S ta t e s o f America t o Mesa P e t r o l e u m Co. , e t a l . , cove r ing a l l o f Block 119, High I s l a n d A r e a , East A d d i t i o n , OCS O f f i c i a l Leas ing Map, Texas Map No. 7A.

By v i r t u e o f t he f o r e g o i n g , B e c h t e l Energy P a r t n e r s , L t d . , a Texas l i m i t e d p a r t n e r s h i p , i s ves t ed w i t h not l e ss than a 15 . 29052". net revenue i n t e r e s t i n the Lease, t oge the r w i t h the r i g h t uo rece ive a l i k e petct:ntage o f a l l Hydrocarbons produced t h e r e f r o m .

PBCAl98 : V

16

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