HOLLY CORP
S-3/A, 1995-06-07
PETROLEUM REFINING
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<PAGE>   1
 
   
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JUNE 7, 1995.
    
 
   
                                                       REGISTRATION NO. 33-59411
    
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
 
                             ---------------------
 
   
                                AMENDMENT NO. 1
    
   
                                       TO
    
                                    FORM S-3
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
 
                             ---------------------
 
                               HOLLY CORPORATION
             (Exact Name of Registrant as Specified in Its Charter)
 
<TABLE>
<S>                                           <C>
                   DELAWARE                                     75-1056913
         (State or Other Jurisdiction                        (I.R.S. Employer
      of Incorporation or Organization)                   Identification Number)


        100 CRESCENT COURT, SUITE 1600                     CHRISTOPHER L. CELLA
             DALLAS, TEXAS 75201                      100 CRESCENT COURT, SUITE 1600
                (214) 871-3555                             DALLAS, TEXAS 75201
 (Address, Including Zip Code, and Telephone                  (214) 871-3555
 Number, Including Area Code, of Registrant's    (Name, Address, Including Zip Code, and
         Principal Executive Offices)             Telephone Number, Including Area Code,
                                                          of Agent for Service)
</TABLE>
 
                                   Copies to:
 
<TABLE>
<S>                                           <C>
           LAWRENCE D. STUART, JR.                          KERRY C. L. NORTH
            WEIL, GOTSHAL & MANGES                        BAKER & BOTTS, L.L.P.
        100 CRESCENT COURT, SUITE 1300                       2001 ROSS AVENUE
             DALLAS, TEXAS 75201                           DALLAS, TEXAS 75201
</TABLE>
 
                             ---------------------
 
     APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon as
practicable after the effective date of this Registration Statement.
 
     If the only securities being registered on this form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box. / /
 
     If any of the securities being registered on this form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box: / /
 
   
     If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. / /
    
 
   
     If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. / /
    
 
   
     If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. /X/
    
 
   
                             ---------------------
    
 
   
     THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.
    
   
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- --------------------------------------------------------------------------------
    
<PAGE>   2
 
   
     INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A
     REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE
     SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR
     MAY OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT
     BECOMES EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR
     THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE
     SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE
     UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS
     OF ANY SUCH STATE.
    
 
   
                             SUBJECT TO COMPLETION
    
   
                   PRELIMINARY PROSPECTUS DATED JUNE 7, 1995
    
 
PROSPECTUS
 
                                2,500,000 SHARES
 
                           [HOLLY CORPORATION LOGO]

                                  COMMON STOCK
                            ------------------------
   
     Of the 2,500,000 shares of common stock, par value $.01 per share (the
"Common Stock"), of Holly Corporation (the "Company") offered hereby (the
"Offering"), 1,500,000 shares are being sold by the Company and 1,000,000 shares
are being sold by the Selling Stockholders. See "Selling Stockholders." The
Company will not receive any of the proceeds from the sale of shares by the
Selling Stockholders. The Company's Common Stock is traded on the American Stock
Exchange under the symbol "HOC." On June 5, 1995, the last reported sale price
of the Common Stock on the American Stock Exchange was $24 1/2 per share. See
"Price Range of Common Stock and Dividend Policy."
    
 
   
     SEE "RISK FACTORS" BEGINNING ON PAGE 9 FOR CERTAIN CONSIDERATIONS RELEVANT
TO AN INVESTMENT IN THE COMMON STOCK OFFERED HEREBY.
    
                            ------------------------
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
  EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
     SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
       PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
       REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.



<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------
                                                                                             PROCEEDS TO
                                           PRICE TO       UNDERWRITING      PROCEEDS TO        SELLING
                                            PUBLIC         DISCOUNT(1)      COMPANY(2)     STOCKHOLDERS(3)

- -----------------------------------------------------------------------------------------------------------
<S>                                    <C>              <C>              <C>              <C>
Per Share..............................         $               $                $                $
- -----------------------------------------------------------------------------------------------------------
Total(3)...............................         $               $                $                $
- -----------------------------------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------
</TABLE>
 
 
(1) The Company and the Selling Stockholders have agreed to indemnify the
    several Underwriters against certain liabilities under the Securities Act of
    1933, as amended. See "Underwriting."
 
(2) Before deducting expenses payable by the Company, estimated at $350,000.
 
   
(3) The Selling Stockholders have granted the Underwriters an option,
    exercisable within 30 days after the date hereof, to purchase up to an
    additional 375,000 shares of Common Stock solely to cover over-allotments,
    if any. If such option is exercised in full, the total Price to Public,
    Underwriting Discount and Proceeds to Selling Stockholders will be
    $          , $          and $          , respectively. See "Underwriting."
    
                            ------------------------
     The shares of Common Stock are offered by the several Underwriters, subject
to prior sale, when, as and if issued to and accepted by them, and subject to
certain other conditions. The Underwriters reserve the right to withdraw, cancel
or modify such offer and to reject orders in whole or in part. It is expected
that delivery of the shares of Common Stock will be made in New York, New York
on or about             , 1995.
                            ------------------------
MERRILL LYNCH & CO.                                              CS FIRST BOSTON
                            ------------------------
               The date of this Prospectus is             , 1995.
<PAGE>   3
 
                    [PHOTOGRAPH OF THE NAVAJO REFINERY OVER
                 GRAPHIC OF NAVAJO REFINING COMPANY'S MARKETS]
 
                                        2
<PAGE>   4
 
IN CONNECTION WITH THE OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE COMMON STOCK AT
LEVELS ABOVE THOSE WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN MARKET. SUCH
TRANSACTIONS MAY BE EFFECTED ON THE AMERICAN STOCK EXCHANGE OR OTHERWISE. SUCH
STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.
 
                             AVAILABLE INFORMATION
 
     The Company has filed with the Securities and Exchange Commission (the
"Commission") a Registration Statement on Form S-3 (together with all amendments
and exhibits thereto, the "Registration Statement") under the Securities Act of
1933, as amended (the "Securities Act"), with respect to the Common Stock
offered hereby. This Prospectus does not include all the information set forth
in the Registration Statement and the exhibits thereto, to which reference is
made for further information with respect to the Company.
 
     The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and
regulations thereunder, and in accordance therewith files periodic reports,
proxy and information statements, and other information with the Commission. The
Registration Statement and the exhibits thereto and all reports, proxy and
information statements, and other information filed by the Company with the
Commission may be inspected at the public reference facilities maintained by the
Commission at 450 Fifth Street, N.W., Washington, D.C. 20549, and may also be
inspected and copied at the regional offices of the Commission located at 7
World Trade Center, 13th Floor, New York, New York 10048 and 500 West Madison
Street, Suite 1400, Chicago, Illinois 60661. Copies of such materials may be
obtained from the Public Reference Section of the Commission, 450 Fifth Street,
N.W., Washington, D.C. 20549, at prescribed rates. The Common Stock is listed on
the American Stock Exchange and all reports, proxy and information statements,
and other information filed by the Company with the Commission also may be
inspected at the American Stock Exchange, 86 Trinity Place, New York, New York
10006.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     The following documents filed with the Commission are incorporated into
this Prospectus by reference:
 
          (1) The Company's Annual Report on Form 10-K for the fiscal year ended
     July 31, 1994;
 
   
          (2) The Company's Quarterly Report on Form 10-Q for the quarter ended
     October 31, 1994;
    
 
   
          (3) The Company's Quarterly Report on Form 10-Q for the quarter ended
     January 31, 1995; and
    
 
   
          (4) The Company's Quarterly Report on Form 10-Q for the quarter ended
     April 30, 1995.
    
 
     All documents filed by the Company pursuant to Sections 13(a), 13(c), 14 or
15(d) of the Exchange Act after the date of this Prospectus and prior to the
termination of the Offering shall be deemed to be incorporated by reference in
this Prospectus and to be a part hereof from the date of filing of such
documents. Any statement contained in a document incorporated or deemed to be
incorporated by reference herein shall be deemed to be modified or superseded
for purposes of this Prospectus to the extent that a statement contained herein
or in any other subsequently filed document which also is or is deemed to be
incorporated by reference herein modifies or supersedes such statement. Any such
statement so modified or superseded shall not be deemed, except as so modified
or superseded, to constitute a part of the Prospectus.
 
     The Company will provide without charge to each person, including any
beneficial owner of Common Stock, to whom a copy of this Prospectus has been
delivered, upon the written or oral request of such person, a copy of any and
all of the documents which have been or may be incorporated by reference in this
Prospectus, except that exhibits to such documents will not be provided unless
they are specifically incorporated by reference into such documents. Requests
for copies of any such document should be directed to Holly Corporation, 100
Crescent Court, Suite 1600, Dallas, Texas 75201, Attention: Controller,
telephone: (214) 871-3555.
 
                                        3
<PAGE>   5
 
                               PROSPECTUS SUMMARY
 
     The following summary is qualified in its entirety by the more detailed
information and financial statements appearing elsewhere in this Prospectus.
Unless otherwise indicated, the information contained in this Prospectus assumes
that the Underwriters' over-allotment option is not exercised. Unless the
context otherwise requires, the following terms are used herein with the
following meanings: (i) the "Company" refers to Holly Corporation and its
consolidated subsidiaries, taken as a whole, (ii) "MRC" refers to Montana
Refining Company, a Partnership, the general partners of which are wholly-owned
subsidiaries of Holly Corporation, (iii) the "Montana Refinery" refers to MRC's
refinery near Great Falls, Montana, (iv) "Navajo" refers to Navajo Refining
Company, a wholly-owned subsidiary of Holly Corporation and (v) the "Navajo
Refinery" refers to Navajo's Artesia and Lovington, New Mexico refining
facilities, collectively.
 
                                  THE COMPANY
 
     The Company is an independent refiner of petroleum and petroleum
derivatives and produces high value light products such as gasoline, diesel fuel
and jet fuel for sale primarily in the southwestern United States and northern
Mexico. The Company owns a high-conversion petroleum refinery in Artesia, New
Mexico, which it operates in conjunction with crude, vacuum distillation and
other facilities situated 65 miles away in Lovington, New Mexico. The Navajo
Refinery has a crude capacity of 60,000 barrels per day ("BPD") and can process
a variety of high sulfur ("sour") crude oils. For the last three fiscal years,
sour crude oils have represented approximately 85% of the crude oils processed
by the Navajo Refinery. The Navajo Refinery's processing capabilities enable
management to vary its crude supply mix to take advantage of changes in raw
materials prices and to respond to fluctuations in the availability of crude oil
supplies. The Navajo Refinery converts approximately 86% of its raw materials
throughput into high value light products. For fiscal 1994, including barrels
purchased for resale, gasoline, diesel fuel and jet fuel represented 56.5%,
19.7% and 11.1%, respectively, of Navajo's sales volume. For the last three
fiscal years, excluding downtime for scheduled maintenance and turnarounds, the
Navajo Refinery has operated at an average annual crude capacity utilization
rate of approximately 93%.
 
     The Artesia facility is located on a 300-acre site and has fully integrated
crude, fluid catalytic cracking ("FCC"), vacuum distillation, alkylation,
hydrodesulfurization and reforming units, and approximately 1.5 million barrels
of feedstock and product tank storage. The Lovington facility is operated as an
integrated component of the Navajo Refinery and refines crude oil into
intermediate products, which are transported, primarily via a Company-owned
pipeline, to the Artesia facility for further processing. Navajo's assets also
include a 500-mile crude oil gathering pipeline system, 30 crude oil and product
tank trucks, three refined products pipelines and product storage at terminals
in Tucson, Albuquerque, Artesia and El Paso in which the Company has 50% or
greater interests.
 
     The Company also owns a 7,000 BPD petroleum refinery near Great Falls,
Montana, which can process a range of crude oils and which serves primarily the
State of Montana. For fiscal 1994, including barrels purchased for resale,
gasoline, diesel fuel, asphalt and jet fuel represented 38.6%, 24.3%, 18.6% and
15.7% of MRC's sales volume. For the last three fiscal years, excluding downtime
for scheduled maintenance and turnarounds, the Montana Refinery has operated at
an average annual crude capacity utilization rate of approximately 94%.
 
     In addition to its refining operations, the Company also conducts a
small-scale oil and gas exploration and production program.
 
                                        4
<PAGE>   6
 
     Despite fluctuating industry conditions, the Company, which was
incorporated in 1947 and acquired the Navajo Refinery in 1969, has generated
positive net income for each of the past 24 years. The Company had net income
and cash from operating activities of $24.0 million and $33.6 million,
respectively, for fiscal 1990, $11.7 million and $27.9 million for fiscal 1991,
$2.8 million and $1.0 million for fiscal 1992, $19.0 million and $38.7 million
for fiscal 1993, and $20.7 million and $27.7 million for fiscal 1994. The
Company believes that it has certain business strengths that have contributed to
its history of profitable operations. Among those strengths are the following:
 
     - Geographic location/attractive markets. The Navajo Refinery serves
      primarily the growing southwestern United States market, including El
      Paso, Albuquerque, Phoenix and Tucson, which generally has favorable
      supply and demand characteristics compared to Gulf Coast markets, and the
      northern Mexico market, which is expected to experience demand growth over
      the next several years. According to data compiled by the United States
      Bureau of the Census, from April 1, 1990 to July 1, 1993, the population
      of the Navajo Refinery's principal market area in the U.S. (Arizona, New
      Mexico and El Paso) grew at a compound annual rate of 2.2%, compared to a
      nationwide compound annual growth rate of 1.1% during that period. From
      April 1, 1980 to July 1, 1993, this area grew at a compound annual rate of
      2.5%, compared to a nationwide rate of 1.0%. The Montana Refinery serves
      primarily the State of Montana, which also historically has had relatively
      favorable supply and demand characteristics.
 
     - High conversion refinery. The Navajo Refinery converts approximately 86%
      of its raw materials throughput into high value light products from a
      variety of sour crude oils and can vary the refined products it produces
      to respond to fluctuations in demand. The Navajo Refinery's processing
      capabilities also enable management to vary its crude supply mix to take
      advantage of changes in raw materials prices and to respond to
      fluctuations in the availability of crude oil supplies. For the last three
      fiscal years, sour crude oils have represented approximately 85% of the
      crude oils processed by the Navajo Refinery.
 
     - Raw material supply. Located on the northwestern shelf of the Permian
      Basin, the Navajo Refinery has direct access to a historically reliable
      crude oil supply, which is transported to the refinery primarily through a
      500-mile, Company-owned crude oil pipeline gathering system and by crude
      oil tank trucks. The Company's crude oil pipelines connect to tankage
      facilities in New Mexico and Texas and are connected to, or are located in
      proximity to, a number of common carrier crude oil pipelines. The Montana
      Refinery obtains most of its crude oil via a 93-mile, Company-owned
      pipeline which runs from near the Canadian border.
 
     - Distribution logistics. The Company distributes refined products from the
      Navajo Refinery to its principal markets primarily through (i) a
      Company-owned pipeline extending from Artesia to El Paso and (ii) a
      Company-owned pipeline extending from Artesia to Orla, Texas, and from
      there west to El Paso. Products can be shipped by pipeline from El Paso to
      Albuquerque via a products pipeline system owned by Chevron Pipeline
      Company, and to Tucson and Phoenix via a products pipeline system owned by
      Santa Fe Pacific Pipeline. The Company also owns a segment of a products
      pipeline running from Orla to Odessa, Texas, which is currently inactive.
      The Company believes that the proximity of the Navajo Refinery to its
      principal markets and the refinery's products distribution network provide
      a transportation cost advantage over Gulf Coast and West Coast refineries
      in supplying its markets.
 
                                        5
<PAGE>   7
 
                               BUSINESS STRATEGY
 
     The Company's strategy has been, and continues to be, to optimize its
refinery operations to increase the proportion of high value products it
produces and to lower operating costs. As part of this strategy, the Company
completed a $63 million expansion of the Navajo Refinery in December 1991,
which, among other things, increased its refining capacity from 40,000 to 60,000
BPD. That expansion consisted principally of the addition of a new continuous
catalytic regeneration unit, the modification of the FCC unit, the expansion of
the naphtha desulfurizer and the installation of new sulphur and alkylation
units. The installation of new equipment and the modification and upgrading of
existing equipment as part of that expansion program increased the proportion of
sour crude oils that the Navajo Refinery can process and increased the
proportion of its throughput that can be converted into higher value products.
 
     The Company continues to evaluate improvements to its operating cost
structure, refineries and crude oil gathering and product distribution systems.
Management believes that certain enhancements and additions to the Navajo
Refinery should better position the Company to respond to competitive pressures
and to meet possible increases in demand for refined products. As part of its
strategy, management intends to spend approximately $15 million over an 18-month
period on identified capital enhancement projects at the Navajo Refinery. Those
projects involve upgrades to the FCC and alkylation units, the construction of
an isomerization unit and the installation of a new selective hydrogenation
process ("SHP") unit. Management expects these projects to increase the Navajo
Refinery's total gasoline production and to improve its ability to produce a
greater proportion of "premium" (high octane) gasoline. In addition, these
enhancements and plant additions are expected to improve management's
flexibility to operate using different types of crude oils and other raw
materials and to provide a platform for further refinery expansion, if
appropriate, in the future. In addition, the Company is evaluating a number of
other possible capital improvement projects, including (i) the redistribution of
process activities between the Lovington and Artesia facilities in order to
realize potential operating and transportation cost savings, (ii) other upgrades
to improve the efficiency of the Navajo Refinery, (iii) modifications to
increase product pipeline distribution capacity and (iv) product pipeline
reconditioning and construction to facilitate entry into new markets. See
"Capital Improvement Projects."
 
     The Company's executive offices are located at 100 Crescent Court, Suite
1600, Dallas, Texas 75201, and its telephone number at that address is (214)
871-3555.
 
                                  THE OFFERING
 
<TABLE>
<S>                                   <C>        <C>
Common Stock Offered By:
  The Company.......................  1,500,000  shares
  The Selling Stockholders..........  1,000,000  shares
                                      ---------
          Total.....................  2,500,000  shares
                                      =========
</TABLE>
 
   
<TABLE>
<S>                                   <C>
Common Stock to be Outstanding after
    the Offering....................  9,753,514 shares
Use of Proceeds.....................  The Company will use approximately $15 million of the
                                      net proceeds from its sale of Common Stock to pay for
                                      certain identified enhancement projects for the Navajo
                                      Refinery. The Company will use its remaining proceeds,
                                      together with internally generated funds, for other
                                      capital improvement projects currently being evaluated
                                      by it and/or for general corporate purposes. The
                                      Company will not receive any of the proceeds from the
                                      sale of shares by the Selling Stockholders. See "Use of
                                      Proceeds" and "Capital Improvement Projects."
American Stock Exchange Symbol......  HOC
Dividend Policy.....................  The Company currently pays a quarterly dividend of $.10
                                      per share of Common Stock outstanding. See "Price Range
                                      of Common Stock and Dividend Policy."
</TABLE>
    
 
                                        6
<PAGE>   8
 
               SUMMARY CONSOLIDATED FINANCIAL AND OPERATING DATA
 
   
     The summary consolidated financial data presented below for the five years
ended July 31, 1994 have been derived from the Company's audited consolidated
financial statements. The financial data for the nine months ended April 30,
1994 and at and for the nine months ended April 30, 1995 have been derived from
the unaudited consolidated financial statements of the Company which, in the
opinion of management, contain all adjustments, consisting only of normal,
recurring adjustments, necessary to present fairly the Company's results of
operations and financial position for such periods and at such dates. The
consolidated results of operations for the nine months ended April 30, 1995 are
not necessarily indicative of results to be expected for the full year or for
future periods. The following summary consolidated financial and operating data
should be read in conjunction with the more detailed financial and other
information contained elsewhere herein. See "Selected Financial Data,"
"Management's Discussion and Analysis of Results of Operations and Financial
Condition" and "Business."
    
 
   
<TABLE>
<CAPTION>
                                       NINE MONTHS ENDED
                                           APRIL 30,                                YEARS ENDED JULY 31,
                                      --------------------      ------------------------------------------------------------
                                        1995        1994          1994          1993        1992        1991          1990
                                      --------    --------      --------      --------    --------    --------      --------
                                                   (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AND OPERATING DATA)
<S>                                   <C>         <C>           <C>           <C>         <C>         <C>           <C>
INCOME STATEMENT DATA:
Revenues............................. $454,733    $400,141      $552,320      $630,621    $506,668    $489,333      $438,882
Income from operations...............   18,489      42,152        43,540        38,671      11,016      20,830        41,772
Interest expense, net................    5,605       6,548         8,538         9,354       9,654       3,889         4,880
Income before cumulative effect of
  accounting change..................    7,859      21,269        20,717        19,933       2,759      11,734        23,955
Cumulative effect of accounting
  change.............................    5,703          --            --          (958)         --          --            --
Net income...........................   13,562      21,269        20,717        18,975       2,759      11,734        23,955
 
Income per common share:
  Before cumulative effect of
    accounting change................ $    .95    $   2.58      $   2.51      $   2.42    $    .33    $   1.42      $   2.90
  Cumulative effect of accounting
    change...........................      .69          --            --          (.12)         --          --            --
                                      --------    --------      --------      --------    --------    --------      --------
  Net income......................... $   1.64    $   2.58      $   2.51      $   2.30    $    .33    $   1.42      $   2.90
                                      ========    ========      ========      ========    ========    ========      ========
OTHER FINANCIAL DATA:
EBITDA(1)............................ $ 30,224    $ 50,203      $ 54,411      $ 54,015    $ 20,401    $ 29,289      $ 48,797
Net cash provided by operating
  activities.........................   26,733      27,882        27,684        38,737         961      27,907        33,643
Capital expenditures.................   10,606      18,505        22,521        20,120      22,317      53,899        13,889
Cash dividends per common share...... $    .30    $    .25      $    .35      $    .30    $    .45    $    .48      $    .40
</TABLE>
    
 
   
<TABLE>
<CAPTION>
                                                                                                 APRIL 30, 1995
                                                                                            ------------------------
                                                                                                             AS
                                                                                             ACTUAL      ADJUSTED(2)
                                                                                            --------     -----------
                                                                                                 (IN THOUSANDS)
<S>                                                                                         <C>          <C>
BALANCE SHEET DATA:
Working capital...........................................................................  $ 28,374      $  63,028
Total assets..............................................................................   290,433        325,087
Long-term debt (less current maturities)..................................................    68,832         68,832
Stockholders' equity......................................................................    76,299        110,953
</TABLE>
    
 
                                        7
<PAGE>   9
 
   
<TABLE>
<CAPTION>
                                             NINE MONTHS ENDED
                                                  APRIL 30                            YEARS ENDED JULY 31,
                                             ------------------      -------------------------------------------------------
                                              1995       1994         1994         1993       1992       1991         1990
                                             -------    -------      -------      -------    -------    -------      -------
<S>                                          <C>        <C>          <C>          <C>        <C>        <C>          <C>
OPERATING DATA:
Refinery production (BPD)(3)...............   67,900     63,300(4)    64,300(4)    65,300     55,200     44,800(4)    46,400
Crude charge (BPD)(5)......................   65,159     59,404(4)    60,911(4)    62,115     51,723     43,838(4)    46,071
Refinery utilization (BPD)(6)..............    97.3%      88.7%(4)     90.9%(4)     92.7%      88.2%      93.3%(4)     98.0%
Average per barrel:
  Net sales................................  $ 23.85    $ 22.63      $ 22.88      $ 25.43    $ 24.84    $ 29.79      $ 25.41
  Raw materials costs(7)...................    19.01      16.13        16.99        20.10      20.41      24.61        19.76
                                             -------    -------      -------      -------    -------    -------      -------
  Gross margin.............................  $  4.84    $  6.50      $  5.89      $  5.33    $  4.43    $  5.18      $  5.65
                                             =======    =======      =======      =======    =======    =======      =======
Product sales (percent of total sales
  volume)(8):
  Gasolines................................    57.4%      54.9%        54.5%        52.0%      49.4%      46.6%        46.6%
  Diesel fuels.............................     19.4       20.7         20.1         23.6       21.1       20.1         18.7
  Jet fuels................................     11.3       11.4         11.7         10.4       13.2       18.2         20.5
  Asphalt..................................      7.3        8.6          9.4          9.8       10.8        8.9          8.1
  LPG and other............................      4.6        4.4          4.3          4.2        5.5        6.2          6.1
                                             -------    -------      -------      -------    -------    -------      -------
    Total..................................   100.0%     100.0%       100.0%       100.0%     100.0%     100.0%       100.0%
                                             =======    =======      =======      =======    =======    =======      =======
</TABLE>
    
 
- ---------------
 
(1) EBITDA is defined as earnings before interest, taxes, depreciation and
     amortization and is presented herein because it is commonly used to
     evaluate a company's ability to service and/or to incur debt or to fund
     capital expenditures. EBITDA should not be considered in isolation or as a
     substitute for operating income, cash flows from operating activities and
     other consolidated income or cash flow data prepared in accordance with
     generally accepted accounting principles or as a measure of the Company's
     profitability or liquidity.
 
   
(2) Adjusted to give effect to the sale by the Company of 1,500,000 shares of
     Common Stock and the investment of the estimated net proceeds therefrom
     (based on the last sale price of the Common Stock as reported on the
     American Stock Exchange on June 5, 1995) in short-term, interest-bearing
     securities pending use as described under "Use of Proceeds."
    
 
(3) Barrels per calendar day of refined products produced from crude oil and
     other raw materials.
 
   
(4) Refinery production, crude charge and utilization rates were reduced as a
     result of a scheduled four-week turnaround for major maintenance at the
     Navajo Refinery.
    
 
(5) Barrels per day of crude oil processed.
 
(6) Crude charge divided by crude capacity.
 
(7) Includes cost of refined products purchased for resale.
 
   
(8) Includes refined products purchased for resale representing 2.5%, 3.7%,
     3.9%, 3.2%, 0.7%, 0.7% and 0.3%, respectively, of total sales volume for
     the periods shown in the table above.
    
 
                                        8
<PAGE>   10
 
   
                                  RISK FACTORS
    
 
   
     Prospective purchasers of the shares of Common Stock offered hereby should
consider carefully the following factors, as well as the other information set
forth or incorporated by reference in this Prospectus.
    
 
FLUCTUATIONS IN REFINING MARGINS
 
     The Company's operating results depend largely on the spread, or margin,
between prices paid by the market for refined petroleum products and prices paid
by the Company for crude oils and feedstocks. The Company's refining margins and
operating results have fluctuated, and will continue to fluctuate, due to
numerous factors, including changes in operating levels of other refineries in
the Company's marketing areas and in other areas of the United States, changes
in the differentials between sour and sweet crude oil prices on international
and U.S. markets, changes in the level of imported refined products and
variations in levels of demand for its principal products. Although an increase
or decrease in the price of crude oil generally results in a corresponding
increase or decrease in the price of refined products, changes in the prices of
refined products generally lag behind upward and downward changes in crude oil
prices. As a result, a rapid and significant increase in the market price for
crude oil could have an adverse impact on refining margins. The Company's future
results of operations will continue to be affected by these factors. Future
margins, results of operations and earnings per share could also be affected by
other factors beyond the Company's control, such as changes in, or the enactment
of, environmental or other regulations, which could require substantial
expenditures without necessarily increasing capacity or operating efficiency.
See "Management's Discussion and Analysis of Results of Operations and Financial
Condition" and "Business."
 
   
DEPENDENCE ON NAVAJO REFINERY; INSURANCE
    
 
   
     The Company's performance depends primarily upon Navajo's results of
operations. Prolonged downtime of the Navajo Refinery for scheduled maintenance
turnarounds, unanticipated repairs or other reasons could materially and
adversely affect the Company's operating results. The Company's operations
(including its limited exploration and production activities) are subject to
normal business hazards and risks. The Company maintains insurance for its
operations, but there is no assurance that the Company will not incur losses
beyond the limits, or outside the coverage, of its insurance. See
"Business -- Insurance."
    
 
UNCERTAINTIES RELATED TO CAPITAL IMPROVEMENT PROJECTS
 
     The Company's ability to implement the capital improvement projects it has
identified for enhancing the Navajo Refinery will depend on several factors,
some of which will be beyond the Company's control. Among those factors will be
the absence of unanticipated technical difficulties, fabrication delays or other
occurrences, all of which could increase the cost, and delay the completion, of
these projects. In addition, the identified refinery enhancement projects will
require the Company to obtain certain governmental approvals, and there can be
no assurance whether or when the Company will obtain those permits. Because of
these uncertainties, the Company is unable to predict when these projects will
be fully implemented or to provide any assurance that the anticipated benefits
of these projects will be realized or, if realized, will not be offset by other
factors affecting the Company's operations. In addition to the foregoing,
management will have broad discretion in deciding whether to implement any of
the other capital improvement projects it is currently evaluating.
 
COMPETITION; PIPELINE CONSTRAINTS
 
     The petroleum refining business is highly competitive. Among the Company's
competitors are some of the world's largest integrated petroleum companies,
which have their own crude oil supplies, distribution and marketing systems. In
addition, Diamond Shamrock, Inc., an independent refiner and marketer, is
building a 420-mile, ten-inch refined products pipeline from its McKee refinery
near Dumas, Texas to El Paso, the Company's largest market. Diamond Shamrock has
announced that it expects to complete that pipeline, which will have an initial
capacity of 25,000 BPD, in October 1995, and that it intends to use its pipeline
to supply fuel to the El Paso, Arizona and northern Mexico markets. The Diamond
Shamrock pipeline could substantially increase the supply of products in certain
of the Company's principal markets. In addition, there is currently excess
pipeline capacity from the West Coast into the Company's Arizona markets. There
can be no assurance that West Coast refiners will not seek to increase shipments
of refined products into the Company's markets or that other industry
participants will not seek to deliver their products to the Company's markets
through existing pipelines, new pipelines or otherwise. An increased supply of
products in the Company's markets could adversely affect its sales volume and
the prices it can obtain for its products.
 
                                        9
<PAGE>   11
 
     At times in the past, the common carrier pipelines used by the Company to
serve the Arizona markets have been operated at or near their capacity. In
addition, the common carrier pipeline used by the Company to serve the
Albuquerque market currently is operating at or near capacity. As a result, the
volume of refined products that the Company and other shippers have been able to
deliver to these markets at times has been limited. In general, no assurances
can be given that the Company will not experience future constraints on its
ability to deliver its products through common carrier pipelines or that any
existing constraints will not worsen. In particular, the flow of additional
products into El Paso for shipment to Arizona, either as a result of the new
Diamond Shamrock pipeline or otherwise, could result in the reoccurrence of such
constraints. See "Business -- Navajo Refining Company -- Markets and
Competition."
 
SALES TO PRINCIPAL CUSTOMERS
 
     For the 1994 fiscal year, approximately 12% of the Company's revenues
resulted from sales of jet fuel to the United States government and 11% were
attributable to sales of gasoline to an affiliate of PEMEX, the government-owned
energy company of Mexico. Sales to the United States government have been made
pursuant to a series of one-year contracts and sales to PEMEX have been made
under a contract that expires in mid-1997. The loss of either or both of these
customers could have a material and adverse effect on the Company's results of
operations. See "Business -- Navajo Refining Company -- Principal Products and
Customers."
 
ENVIRONMENTAL REGULATION
 
   
     The Company's operations are subject to federal, state and local laws and
regulations governing, among other things, emissions to air, discharges to
water, and transportation, treatment and disposal of waste and other materials.
The Company is and has been the subject of various state, federal and private
proceedings relating to environmental regulations and conditions, including a
currently pending proceeding brought by the United States Department of Justice
(the "DOJ") on behalf of the Environmental Protection Agency (the "EPA")
alleging ongoing violations of the Resource Conservation and Recovery Act
("RCRA") at the Navajo Refinery. The Company believes that it is in the final
stages of negotiating a settlement of this litigation with the DOJ and the EPA,
which, if consummated, could involve expenditures by the Company of
approximately $3 million to $4 million to construct a new wastewater management
system and to close existing wastewater evaporation ponds. The Company also
expects that the settlement will provide for the payment of a civil penalty of
less than $2 million. There can be no assurance, however, that the Company and
the government will settle the outstanding litigation or that, if not settled,
the final resolution of that suit would not have a material adverse effect on
the Company and its results of operations or financial condition.
    
 
     While the specifics cannot be presently determined, new laws or regulations
or changes in existing laws or regulations could require the Company to make
significant site or operational modifications, which could involve substantial
expenditures or the reduction or suspension of certain operations. See
"Business -- Regulation."
 
   
LIMITED LIQUIDITY OF COMMON STOCK; SHARES ELIGIBLE FOR FUTURE SALE
    
 
   
     Although the Common Stock is listed on the American Stock Exchange, trading
volume has frequently been low over the past several years. Approximately 45% of
the outstanding shares of Common Stock is held by or for the benefit of two
families, which have been significant stockholders of the Company for over 30
years. Approximately 15% of the outstanding shares of Common Stock is held by
the Company's Employee Stock Ownership Plan (the "ESOP"). Immediately after
giving effect to the Offering, the two principal stockholder families, which are
the Selling Stockholders in the Offering, will beneficially own, in the
aggregate, approximately 28% of the outstanding Common Stock and the ESOP will
own approximately 12% of the outstanding Common Stock. There can be no assurance
that the consummation of the Offering will result in greater trading volume in
the Common Stock. See "Price Range of Common Stock and Dividend Policy" and
"Selling Stockholders." One hundred-eighty days after the date of this
Prospectus, certain contractual restrictions agreed to by the stockholder
families (see "Underwriting") will expire, and 2,698,167 shares of Common Stock
held by such stockholders (representing approximately 28% of the total shares of
Common Stock outstanding subsequent to the Offering) will be eligible for sale
in the open market, pursuant to Rule 144 or otherwise. Sales of substantial
amounts of Common Stock, or the perception that such sales could occur, could
adversely affect prevailing market prices for the Common Stock.
    
 
                                       10
<PAGE>   12
 
                                USE OF PROCEEDS
 
   
     The net proceeds to the Company from the sale of 1,500,000 shares of Common
Stock in the Offering are estimated to be $34.7 million (assuming a sale price
to the public of $24.50 per share of Common Stock). The Company will use
approximately $15 million of the net proceeds to pay for certain identified
projects to enhance the Navajo Refinery. The Company will use its remaining net
proceeds, together with internally generated funds, for other capital
improvement projects currently being evaluated by it and/or for general
corporate purposes. Pending use, the net proceeds to the Company from the
Offering will be invested in short-term, interest-bearing securities. See
"Capital Improvement Projects."
    
 
     The Company will not receive any portion of the net proceeds from the sale
of the shares of Common Stock by the Selling Stockholders.
 
                          CAPITAL IMPROVEMENT PROJECTS
 
IDENTIFIED REFINERY ENHANCEMENT PROJECTS
 
     As part of its efforts to improve production efficiencies, management
intends to enhance the Navajo Refinery by upgrading the FCC and alkylation
units, constructing an isomerization unit and installing a new SHP unit. These
projects are intended to improve the Navajo Refinery's ability to produce a
greater proportion of higher yielding products, principally "premium" (high
octane) gasolines, and to enhance management's flexibility to choose among
different types of crude oils and other raw materials in response to changing
prices of supplies. The Company currently estimates that the cost of these
projects will be approximately $15 million and expects to implement them over an
18-month period.
 
     The modified FCC unit is expected to permit the refining of heavier
feedstocks than are currently processed, which would enhance the Company's
ability to take advantage of price differentials between sweet and sour crude
oils. Similarly, the isomerization unit is expected to provide the Company with
the ability to upgrade additional quantities of lower priced natural gasoline
into finished gasoline. It is anticipated that the SHP unit and the upgraded
alkylation unit will increase the refinery's production capacity for alkylate, a
high octane gasoline blendstock, which also would contribute to the refinery's
improved ability to produce premium unleaded gasolines and to upgrade natural
gasoline into a refined product. Consequently, the Company expects that the
enhancements to the Navajo Refinery will provide management with additional
flexibility in managing the refinery's crude oil and other raw materials
supplies. Further, based on industry studies concerning new environmental
regulations promulgated by the California Air Resources Board and scheduled to
go into effect in California in 1996, it appears that California refiners may
require increased supplies of alkylates to produce the cleaner burning gasolines
called for by the new regulations. In that event, the Navajo Refinery's
increased production of alkylate could be made available for sale to California
refineries.
 
   
     The Company expects to commence its identified refinery enhancement
projects promptly. However, management intends to bring the new and upgraded
equipment on-line in a manner that will minimize disruption to the Navajo
Refinery's operations. Consequently, management does not expect to make the FCC
modifications until the scheduled fall 1996 maintenance turnaround of the
refinery.
    
 
OTHER PROJECTS UNDER CONSIDERATION
 
     The Company is currently evaluating certain other enhancements and
additions to the Navajo Refinery and the related supply and distribution systems
to better position it to respond to competitive pressures and to meet possible
increases in demand for refined products. Future capital projects that are being
considered include (i) the redistribution of process activities between the
Lovington and Artesia facilities in order to realize potential operating and
transportation cost savings, (ii) other upgrades to improve the efficiency of
the Navajo Refinery, (iii) modifications to increase product pipeline
distribution capacity and (iv) product pipeline reconditioning and construction
to facilitate entry into new markets. Management believes that the proceeds from
the Offering not expended on the currently identified projects, together with
cash flows from operating activities, should be sufficient to fund other
projects under consideration.
 
                                       11
<PAGE>   13
 
                                 CAPITALIZATION
 
   
     The following table sets forth the unaudited consolidated capitalization of
the Company at April 30, 1995, and as adjusted to give effect to the sale of
1,500,000 shares of Common Stock by the Company (based on the last sale price of
the Common Stock on the American Stock Exchange as reported on June 5, 1995).
See "Use of Proceeds" and "Management's Discussion and Analysis of Results of
Operations and Financial Condition."
    
 
   
<TABLE>
<CAPTION>
                                                                             APRIL 30, 1995
                                                                        ------------------------
                                                                         ACTUAL      AS ADJUSTED
                                                                        --------     -----------
                                                                         (DOLLARS IN THOUSANDS)
<S>                                                                     <C>          <C>
Current maturities of long-term debt..................................  $  5,608      $   5,608
Long-term debt, less current maturities...............................    68,832         68,832
Stockholders' equity:
  Preferred stock, par value $1.00 per share; 1,000,000 shares
     authorized; none issued and outstanding..........................        --             --
  Common stock, par value $.01 per share; 20,000,000 shares
     authorized;
     8,650,282 shares issued and outstanding; 10,150,282 shares issued
     and outstanding, as adjusted.....................................        87            102
  Additional capital..................................................     6,132         40,771
  Retained earnings...................................................    71,059         71,059
                                                                        --------     ----------
                                                                          77,278        111,932
  Common stock held in treasury, at cost; 396,768 shares..............      (569)          (569)
  Deferred charge -- amount due from ESOP.............................      (410)          (410)
                                                                        --------     ----------
          Total stockholders' equity..................................    76,299        110,953
                                                                        --------     ----------
          Total capitalization........................................  $150,739      $ 185,393
                                                                        ========      =========
</TABLE>
    
 
                                       12
<PAGE>   14
 
                PRICE RANGE OF COMMON STOCK AND DIVIDEND POLICY
 
     The Common Stock is traded on the American Stock Exchange under the symbol
"HOC". The following table sets forth the range of the daily high and low sale
prices per share of Common Stock, as reported on the American Stock Exchange,
and dividends paid per share of Common Stock for the periods indicated:
 
   
<TABLE>
<CAPTION>
                   FISCAL YEARS ENDED JULY 31,                  HIGH     LOW      DIVIDENDS
    ----------------------------------------------------------  ----     ----     ---------
    <S>                                                         <C>      <C>      <C>
    1993
      First Quarter...........................................  $25       $23      $.075
      Second Quarter..........................................   30 7/8    23 7/8   .075
      Third Quarter...........................................   29 3/8    25 7/8   .075
      Fourth Quarter..........................................   30 1/2    26 3/8   .075
    1994
      First Quarter...........................................   30        26 5/8   .075
      Second Quarter..........................................   30        25 3/8   .075
      Third Quarter...........................................   30 1/2    27 1/8    .10
      Fourth Quarter..........................................   33 3/8    28 1/4    .10
    1995
      First Quarter...........................................   28 1/2    23 3/4    .10
      Second Quarter..........................................   26 1/2    24        .10
      Third Quarter...........................................   26 3/4    23        .10
      Fourth Quarter (through June 5, 1995)...................   28 1/2    24 1/2     *
</TABLE>
    
 
- ---------------
 
   
* Not yet determined.
    
 
     As of May 31, 1995, the Company had approximately 2,100 stockholders of
record.
 
   
     The Company, which currently pays a quarterly dividend of $.10 per share of
Common Stock outstanding, considers the declaration of dividends on a quarterly
basis. The Company's ability to pay future dividends depends on its future
earnings and capital requirements, and on its financial condition and other
factors. The Company's senior notes (the "Senior Notes") and its revolving
credit agreement (the "Credit Agreement") could limit the Company's ability to
pay dividends under certain circumstances. See Note 6 to the Consolidated
Financial Statements for the year ended July 31, 1994 included elsewhere herein.
    
 
                                       13
<PAGE>   15
 
                            SELECTED FINANCIAL DATA
 
   
     The selected financial data presented below for the five years ended July
31, 1994 have been derived from the Company's audited consolidated financial
statements. The selected financial data at and for the nine months ended April
30, 1994 and 1995 have been derived from the unaudited consolidated financial
statements of the Company which, in the opinion of management, contain all
adjustments, consisting only of normal, recurring adjustments, necessary to
present fairly the Company's results of operations and financial position for
such periods and at such dates. The consolidated results of operations for the
nine months ended April 30, 1995 are not necessarily indicative of the results
to be expected for the full year or for future periods. The selected financial
data presented below should be read in conjunction with the Consolidated
Financial Statements of the Company and the related notes thereto included
elsewhere in this Prospectus.
    
 
   
<TABLE>
<CAPTION>
                                    NINE MONTHS ENDED
                                        APRIL 30,                                  YEARS ENDED JULY 31,
                                 -----------------------     -----------------------------------------------------------------
                                   1995          1994          1994          1993          1992          1991          1990
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
                                                        (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                              <C>           <C>           <C>           <C>           <C>           <C>           <C>
INCOME STATEMENT DATA:
Revenues.......................  $ 454,733     $ 400,141     $ 552,320     $ 630,621     $ 506,668     $ 489,333     $ 438,882
Costs and expenses:
  Cost of sales................    412,322       337,921       480,916       565,638       474,151       448,356       377,853
  General and administrative...      9,629         9,153        12,369        11,951         9,263         9,200         9,699
  Depreciation, depletion and
    amortization...............     11,735         8,051        10,871        11,344        10,085         6,984         6,515
  Exploration expenses,
    including dry holes........      2,451         2,706         4,441         2,867         2,005         3,834         2,576
  Miscellaneous................        107           158           183           150           148           129           467
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
                                   436,244       357,989       508,780       591,950       495,652       468,503       397,110
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
Income from operations.........     18,489        42,152        43,540        38,671        11,016        20,830        41,772
Other income (expense)
  Interest income..............        732           254           447           169           432           419           517
  Interest expense.............     (6,337)       (6,802)       (8,985)       (9,523)      (10,086)       (4,308)       (5,397)
  Other........................         --            --            --         4,000          (700)        1,475           510
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
                                    (5,605)       (6,548)       (8,538)       (5,354)      (10,354)       (2,414)       (4,370)
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
Income before income taxes and
  cumulative effect of
  accounting change............     12,884        35,604        35,002        33,317           662        18,416        37,402
Income tax provision
  (benefit)....................      5,025        14,335        14,285        13,384        (2,097)        6,682        13,447
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
Income before cumulative effect
  of accounting change.........      7,859        21,269        20,717        19,933         2,759        11,734        23,955
Cumulative effect of accounting
  change.......................      5,703            --            --          (958)           --            --            --
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
Net income.....................  $  13,562     $  21,269     $  20,717     $  18,975     $   2,759     $  11,734     $  23,955
                                 =========     =========     =========     =========     =========     =========     =========
Income per common share:
  Income before cumulative
    effect of accounting
    change.....................  $     .95     $    2.58     $    2.51     $    2.42     $     .33     $    1.42     $    2.90
  Cumulative effect of
    accounting change..........        .69            --            --          (.12)           --            --            --
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
  Net income...................  $    1.64     $    2.58     $    2.51     $    2.30     $     .33     $    1.42     $    2.90
                                 =========     =========     =========     =========     =========     =========     =========
</TABLE>
    
 
                                       14
<PAGE>   16
 
   
<TABLE>
<CAPTION>
                                    NINE MONTHS ENDED
                                        APRIL 30,                                  YEARS ENDED JULY 31,
                                 -----------------------     -----------------------------------------------------------------
                                   1995          1994          1994          1993          1992          1991          1990
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
                                                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AND OPERATING DATA)
<S>                              <C>           <C>           <C>           <C>           <C>           <C>           <C>
OTHER FINANCIAL DATA:
EBITDA(1)......................  $  30,224     $  50,203     $  54,411     $  54,015     $  20,401     $  29,289     $  48,797
Net cash provided by operating
  activities...................     26,733        27,882        27,684        38,737           961        27,907        33,643
Capital expenditures...........     10,606        18,505        22,521        20,120        22,317        53,899        13,889
Cash dividends per common
  share........................  $     .30     $     .25     $     .35     $     .30     $     .45     $     .48     $     .40
Average number of shares of
  common stock outstanding.....  8,253,514     8,253,514     8,253,514     8,253,514     8,253,514     8,253,514     8,253,514
REFINERY OPERATING DATA:
Refinery production (BPD)(2)...     67,900        63,300(3)     64,300(3)     65,300        55,200        44,800(3)     46,400
Crude charge (BPD)(4)..........     65,139        59,404(3)     60,911(3)     62,115        51,723        43,838(3)     46,071
Refinery utilization
  (BPD)(5).....................      97.3%         88.7%(3)      90.9%(3)      92.7%         88.2%         93.3%(3)      98.0%
Average per barrel:
  Net sales....................  $   23.85     $   22.63     $   22.88     $   25.43     $   24.84     $   29.79     $   25.41
  Raw materials costs(6).......      19.01         16.13         16.99         20.10         20.41         24.61         19.76
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
  Gross margin.................  $    4.84     $    6.50     $    5.89     $    5.33     $    4.43     $    5.18     $    5.65
                                 =========     =========     =========     =========     =========     =========     =========
Product sales (percent of total
  sales volume)(7):
  Gasolines....................      57.4%         54.9%         54.5%         52.0%         49.4%         46.6%         46.6%
  Diesel fuels.................       19.4          20.7          20.1          23.6          21.1          20.1          18.7
  Jet fuels....................       11.3          11.4          11.7          10.4          13.2          18.2          20.5
  Asphalt......................        7.3           8.6           9.4           9.8          10.8           8.9           8.1
  LPG and other................        4.6           4.4           4.3           4.2           5.5           6.2           6.1
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
        Total..................     100.0%        100.0%        100.0%        100.0%        100.0%        100.0%        100.0%
                                 =========     =========     =========     =========     =========     =========     =========
</TABLE>
    
 
   
<TABLE>
<CAPTION>
                                        APRIL 30,                                        JULY 31,
                                 -----------------------     -----------------------------------------------------------------
                                   1995          1994          1994          1993          1992          1991          1990
                                 ---------     ---------     ---------     ---------     ---------     ---------     ---------
                                                                    (DOLLARS IN THOUSANDS)
<S>                              <C>           <C>           <C>           <C>           <C>           <C>           <C>
 
BALANCE SHEET DATA:
Working capital................  $  28,374     $  23,568     $  18,236     $  12,145     $   5,031     $  18,658     $  11,608
Total assets...................    290,433       266,390       281,814       249,807       245,462       212,095       149,503
Long-term debt (less current
  maturities)..................     68,832        74,440        68,840        74,448        80,056        80,164        34,136
Stockholders' equity...........     76,299        66,134        64,772        46,478        29,505        29,811        21,371
</TABLE>
    
 
- ---------------
 
(1) EBITDA is defined as earnings before interest, taxes, depreciation and
    amortization and is presented herein because it is commonly used to evaluate
    a company's ability to service and/or to incur debt or to fund capital
    expenditures. EBITDA should not be considered in isolation or as a
    substitute for operating income, cash flows from operating activities and
    other consolidated income or cash flow data prepared in accordance with
    generally accepted accounting principles or as a measure of the Company's
    profitability or liquidity.
 
(2) Barrels per calendar day of refined products produced from crude oil and
    other raw materials.
 
   
(3) Refinery production, crude charge and utilization rates were reduced as a
    result of a scheduled four-week turnaround for major maintenance at the
    Navajo Refinery.
    
 
(4) Barrels per day of crude oil processed.
 
(5) Crude charge divided by crude capacity.
 
(6) Includes cost of refined products purchased for resale.
 
   
(7) Includes refined products purchased for resale representing 2.5%, 3.7%,
    3.9%, 3.2%, 0.7%, 0.7% and 0.3%, respectively, of the total sales volume for
    the periods shown in the table above.
    
 
                                       15
<PAGE>   17
 
                MANAGEMENT'S DISCUSSION AND ANALYSIS OF RESULTS
                     OF OPERATIONS AND FINANCIAL CONDITION
 
OVERVIEW
 
     The Company's operating results depend largely on the spread, or margin,
between prices paid by the market for refined petroleum products and prices paid
by the Company for crude oils and feedstocks. The Company's refining margins and
operating results have fluctuated, and will continue to fluctuate, due to
numerous factors, including changes in operating levels of other refineries in
the Company's marketing areas and in other areas of the United States, changes
in the differentials between sour and sweet crude oil prices on international
and U.S. markets, changes in the level of imported refined products and
variations in levels of demand for its principal products. Although an increase
or decrease in the price of crude oil generally results in a corresponding
increase or decrease in the price of refined products, changes in the prices of
refined products generally lag behind upward and downward changes in crude oil
prices. As a result, a rapid and significant increase in the market price for
crude oil could have an adverse impact on refining margins. The Company's future
results of operations will continue to be affected by these factors. Future
margins, results of operations and earnings per share could also be affected by
other factors beyond the Company's control, such as changes in, or the enactment
of, environmental or other regulations, which could require substantial
expenditures without necessarily increasing capacity or operating efficiency.
 
     The Company's results of operations experience some seasonal fluctuations,
with demand for gasoline and asphalt products historically being stronger from
March through October, which are the key "driving" and road construction months,
than during the rest of the year. In addition, the Company's refineries are
subject to preventive maintenance turnarounds scheduled at two- or three-year
intervals, during which all or a portion of the facilities are shut down. As a
result, the Company's operating results during the periods and full fiscal years
when turnarounds occur typically will be below the Company's results for the
comparable prior year periods. In addition, in part because the Navajo and
Montana Refineries serve markets with different supply and demand relationships,
the refineries' operating results do not always increase or decrease in tandem.
Consequently, there have been periods (such as fiscal 1994 and 1993) when MRC's
results of operations have contributed more to the Company's overall results of
operations than management ordinarily would expect given the relative size of
the Navajo and Montana Refineries.
 
RESULTS OF OPERATIONS
 
   
  Nine Months ended April 30, 1995 Versus Nine Months ended April 30, 1994
    
 
   
     For the nine months ended April 30, 1995, net income was $13.6 million,
which included a $5.7 million contribution in the first quarter from the
cumulative effect of a change in accounting for turnarounds relating to prior
periods, compared to $21.3 million for the same period of fiscal 1994. Effective
August 1, 1994, the Company changed its method of accounting for turnaround
costs. Turnarounds consist of preventive maintenance on major processing units
as well as the shutdown and restart of all units, and generally are scheduled at
two- to three-year intervals. Previously, the Company estimated the costs of the
next scheduled turnaround and ratably accrued the related expenses prior to the
actual turnaround. To provide for a better matching of turnaround costs with
revenues, the Company changed its accounting method for turnaround costs to one
that results in the amortization of costs incurred over the period until the
next scheduled turnaround. The amortization of turnaround costs is recorded in
depreciation, depletion and amortization expense, whereas previously the
expenses accrued prior to the turnaround were recorded in cost of sales as an
operating expense. The increase in the current year in depreciation expense is
primarily the result of this change in accounting. The cumulative effect of this
accounting change was to increase net income in the current year by $5.7
million. Excluding the cumulative effect of the accounting change, the new
method of accounting for turnaround costs increased net income for the first
nine months of fiscal 1995 by $1.0 million to $7.9 million. If the accounting
change for turnaround costs had been retroactively applied, pro forma net income
for the nine months ended April 30, 1994 would have increased by $1.2 million to
$22.4 million and pro forma net income for the full 1994 fiscal year would have
increased by $1.3 million to $22.0 million.
    
 
                                       16
<PAGE>   18
 
   
     Excluding the effects of the change in accounting for turnarounds, the
$13.4 million decrease in net income for the first nine months of 1995 compared
to the prior year period is due primarily to a 26% reduction in gross margins
per barrel, offset partially by an 8% increase in volumes sold. Gross margins
for the current year were less than in the comparable prior year period because
crude oil costs per barrel increased 18% over the prior year, while product
prices per barrel increased only 5%. Gross margins per barrel at the Montana
Refinery were 34% below the comparable prior year period because product prices
per barrel increased 1% over the prior year levels while crude oil costs per
barrel increased 27%; gross margins were weakest in the latter part of the
second quarter and the early part of the third quarter of 1995. In addition,
gross margins per barrel at the Navajo Refinery in the third quarter of 1995
were approximately 32% below the comparable prior year period, which was the
primary reason for the $400,000 loss for the third quarter. Revenues for the
nine months ended April 30, 1995 were 14% higher than in the comparable prior
year period due to an 8% increase in sales volumes in the current year period
and 5% higher product prices per barrel in the first nine months of 1995
compared to the 1994 period. The prior year's sales volumes were adversely
affected by the scheduled maintenance turnaround at the Navajo Refinery from
September to November 1993.
    
 
  1994 Versus 1993
 
     Net income for the year ended July 31, 1994 was $20.7 million compared to
$19.9 million before an accounting change in the 1993 fiscal year. In the 1993
fiscal year, the Company adopted Statement of Financial Accounting Standards No.
109, "Accounting for Income Taxes" ("SFAS 109"), which amended the accounting
for income taxes from the deferral method to the liability method. The
cumulative effect of this change in accounting was to decrease net income by
$1.0 million to $19.0 million for the year ended July 31, 1993. Other than the
cumulative effect of the adjustment, the effect of the change on income for the
year ended July 31, 1993 was not material.
 
   
     While gross margins per barrel for the 1994 fiscal year as a whole improved
11% over the levels of the prior year, the 1994 year's margins per barrel were
adversely affected by Navajo's refined product margins per barrel in the fourth
quarter of 1994, which decreased 43% from the same period during 1993 because
product prices per barrel fell 9% in the fourth quarter of 1994 while crude oil
costs per barrel rose 3% in the same period. MRC had a third consecutive record
earnings year in fiscal 1994 because its gross margins were positively affected
by favorable prices for crude oil and other feedstocks. Notwithstanding the
Company's higher gross margins, as a whole, for 1994 compared to 1993, net sales
for the 1994 fiscal year decreased 13% from the prior year's levels as the
result of a 10% decrease in product prices per barrel and a 3% decline in sales
volume for the year caused primarily by a scheduled major maintenance turnaround
of the Navajo Refinery. Under the prior accounting method, a charge of $2.9
million was recorded in the fourth quarter of fiscal 1993 to reflect an increase
in the estimate for the costs to be incurred in the turnaround, and an
additional $1.5 million in excess of the revised accrual at July 31, 1993 was
included as an expense with respect to the scheduled turnaround in the 1994
year's second quarter. Increases in other operating expense and in exploration
expenses, including dry holes, further reduced income in 1994.
    
 
   
     Pre-tax income in 1993 was improved by $4 million relating to the
settlement of litigation with a common carrier pipeline and was reduced by a $2
million charge relating to an enforcement action brought by the DOJ alleging
that Navajo, beginning in September 1990 and continuing until the present,
violated and continues to violate the RCRA and implementing regulations by
treating, storing and disposing of certain hazardous wastes without required
authorization and without compliance with regulatory requirements. See
"Financial Condition" below.
    
 
  1993 Versus 1992
 
     Net income for the year ended July 31, 1993 was $19.9 million before a $1.0
million accounting change related to the adoption of SFAS 109 as discussed
above, compared to $2.8 million in the prior year.
 
     Net income for the year ended July 31, 1993 improved substantially over the
prior year due to 20% and 22% increases in gross margins per barrel and sales
volumes, respectively. The increase in sales volume over the prior year resulted
from higher throughputs made possible by the refinery expansion completed in
 
                                       17
<PAGE>   19
 
   
December 1991 and the alleviation of product pipeline distribution constraints
in October 1992. Gross margins and sales volumes for the 1993 fiscal year also
may have been favorably affected by a temporary suspension of production during
most of the year by a refinery in the Company's principal market area. In
addition, MRC experienced a second consecutive record earnings year in fiscal
1993. Profitability in fiscal 1993 was reduced due to increases in operating
expenses, principally resulting from a charge taken in the fourth quarter of
$2.9 million to increase the estimate for the planned fall 1993 major
maintenance turnaround and increases in general and administrative expense and
depreciation, depletion and amortization expense, primarily attributable to the
refinery expansion. Net income in the fourth quarter of the 1993 fiscal year was
affected by pretax income of $4 million relating to a settlement of litigation
with a common carrier pipeline company and the $2 million pre-tax charge
established in connection with the DOJ litigation.
    
 
     Net income in the fourth quarter of fiscal 1992 was improved by the
elimination, as a consequence of the Company's acquisition of the remaining
interest in MRC, of a $2.6 million liability for deferred taxes that had been
reflected on the Company's financial statements.
 
FINANCIAL CONDITION
 
   
     Cash flows from operations during the nine months ended April 30, 1995
exceeded capital expenditures and dividends paid, resulting in a net increase in
cash and cash equivalents of $13.6 million. Cash flows from operations for
fiscal 1994 were slightly less than capital expenditures, debt payments and
dividends paid, resulting in a net decrease in cash and cash equivalents of $3.3
million. Working capital increased during the first nine months of 1995 by $10.1
million to $28.4 million at April 30, 1995. The Company's long-term debt
represented 49.4% of total capitalization at April 30, 1995 compared to 53.5% at
July 31, 1994. At April 30, 1995, the Company had $25 million of borrowing
capacity under the Credit Agreement, which is available for short term working
capital needs. The Company believes that these sources of funds, together with
future cash flows from operations and the estimated net proceeds from the sale
of 1,500,000 shares of Common Stock offered hereby, should provide sufficient
resources, financial strength and flexibility for the Company to satisfy its
liquidity needs, capital requirements (including requirements related to the
identified refinery enhancement projects for the Navajo Refinery) and debt
service obligations and to permit the payment of dividends for the foreseeable
future.
    
 
   
     Net cash provided by operating activities amounted to $26.7 million in the
first nine months of fiscal 1995, compared to $27.9 million in the same period
of the prior year. The principal reason for the slight decrease in cash provided
from operations was the reduction in income before the accounting change, which
was almost offset by changes in working capital accounts. The change in the
method of accounting for turnaround costs had no effect on cash provided from
operations. Net cash provided by operating activities amounted to $27.7 million
in fiscal 1994, compared to $38.7 million in fiscal 1993 and $1.0 million in
fiscal 1992. The primary reason for the differences in cash provided from
operations during the three years ended July 31, 1994 was differences in
earnings, which were $20.7 million in fiscal 1994, $19.0 million in fiscal 1993
and $2.8 million in fiscal 1992. Additionally, significant amounts of funds were
required in both fiscal 1994 and fiscal 1992 to maintain working capital
accounts compared to the 1993 fiscal year.
    
 
   
     Cash flows used for investing activities (consisting solely of capital
expenditures) were $10.6 million in the first nine months of fiscal 1995,
compared to $18.5 million in the same period of the prior year. Cash flows used
for investing activities totalled $65.7 million over the last three full fiscal
years, $22.5 million in 1994, $20.1 million in 1993 and $23.1 million in 1992,
principally for capital expenditures. The expenditures in 1992 were primarily
for the final phases of the expansion of the Navajo Refinery's crude capacity
from 40,000 to 60,000 BPD. This expansion included the installation of a new
continuous catalytic regeneration reformer, the modification of the fluid
catalytic cracker, the expansion of the naphtha desulfurizer and the
installation of a new sulphur plant and alkylation unit. In fiscal 1993 and
1994, most of the funds expended were for refinery projects including diesel
desulfurization units at the Navajo and Montana Refineries in order to meet the
October 1993 requirements for lower sulphur content in diesel fuel. The Navajo
Refinery unit was completed in August 1993 and the Montana Refinery unit was
completed in December 1993.
    
 
                                       18
<PAGE>   20
 
   
     The Company plans to use approximately $15 million of its net proceeds from
this Offering to pay for the identified capital improvement projects to enhance
the Navajo Refinery described under "Capital Improvement Projects -- Identified
Refinery Enhancement Projects." Management believes that the proceeds from the
Offering not expended on the currently identified projects, together with cash
flows from operating activities, should be sufficient to fund other projects
under consideration. Excluding the capital improvement projects described under
"Capital Improvement Projects," the Company has a $15 million capital budget for
fiscal 1995, of which $11 million is for refinery projects with the remaining $4
million for oil and gas exploration. Although there can be no assurances,
management considers the planned maintenance expenditures for 1995 of
approximately $8 million to be indicative of the level of capital spending that
will be necessary to maintain the Company's operations in the future. The
majority of the oil and gas budget will be used to fund the anticipated costs of
completion of production facilities for two offshore properties in which the
Company has an interest. Although the Company's capital expenditures budget
contemplates capitalizable costs associated with compliance with environmental
regulations, the regulations implementing recent amendments to the Clean Air Act
could have a substantial impact on the Company's future capital spending
requirements. Final regulations implementing these amendments have not yet been
promulgated; therefore the costs of complying with these regulations are not yet
determinable by the Company. In addition, the Company is unable to predict the
impact that new environmental rules and regulations or changes in
interpretations of existing laws and regulations might have on its capital
spending needs.
    
 
   
     Cash flows used for financing activities amounted to $2.5 million in the
first nine months of fiscal 1995, compared to $2.1 million in the same period of
the prior year; substantially all these amounts were for dividends. The next
principal payment of $5.6 million on the Company's Senior Notes is due in June
1995. Cash flows used for financing activities amounted to $8.5 million and
$13.4 million in fiscal 1994 and 1993, respectively, compared to cash flows
provided by financing activities of $6.3 million in fiscal 1992. Financing
activities over the last three years included the renewal of the Company's
Credit Agreement in July 1993, which provides for a total facility of $100
million, the full amount of which may be used to support letters of credit and
$25 million of which may be used for direct borrowings for short-term working
capital needs. The Company had $10.5 million of borrowings outstanding under its
Credit Agreement as of July 31, 1992, the full amount of which was repaid during
fiscal 1993. The Company's Credit Agreement will expire August 1, 1995; however,
the Company expects to renew the Credit Agreement on substantially the same
terms. The Company's first principal payment of $5.6 million on the Senior Notes
was made in June 1994. See Note 6 to the Consolidated Financial Statements for
the year ended July 31, 1994 included elsewhere herein for a summary of the
terms of the Senior Notes and the Credit Agreement, which could restrict the
Company's ability to pay dividends under certain circumstances.
    
 
     Diamond Shamrock, Inc., an independent refiner and marketer, is building a
420-mile, ten-inch refined products pipeline from its McKee refinery near Dumas,
Texas to El Paso, the Company's largest market. Diamond Shamrock has announced
that it expects to complete that pipeline, which will have an initial capacity
of 25,000 BPD, in October 1995, and that it intends to use its pipeline to
supply fuel to the El Paso, Arizona and northern Mexico markets. The Diamond
Shamrock pipeline could substantially increase the supply of products in the
Company's principal markets. At times in the past, the common carrier pipelines
used by the Company to serve the Tucson and Phoenix markets have been operated
at or near their capacity. In addition, the common carrier pipeline used by the
Company to serve the Albuquerque market currently is operating at or near
capacity. As a result, the volume of refined products that the Company and other
shippers have been able to deliver to these markets at times has been limited.
In general, there is no assurance that the Company will not experience future
constraints on its ability to deliver its products through common carrier
pipelines or that any existing constraints will not worsen. In particular, the
flow of additional product into El Paso for shipment to Arizona, either as a
result of the new Diamond Shamrock pipeline or otherwise, could result in the
reoccurrence of such constraints. See "Business -- Navajo Refining
Company -- Markets and Competition."
 
   
     In July 1993, the DOJ, on behalf of the EPA, filed suit against Navajo
alleging that, beginning in September 1990 and continuing through the present,
Navajo has violated and continues to violate RCRA and implementing regulations
of the EPA by treating, storing and disposing of certain hazardous wastes
without compliance with regulatory requirements. The Company believes that the
parties are in the final stage of
    
 
                                       19
<PAGE>   21
 
   
negotiating a resolution of the litigation. If settled as anticipated, the
Company would close the existing evaporation ponds of its wastewater management
system at a cost believed to be substantially less than $1 million. The
settlement also contemplates that the Company would implement one of several
alternatives to the existing wastewater treatment system. Depending upon which
approach were utilized, the Company could incur total costs of approximately $3
million over the next several years. The costs to implement an alternative
wastewater treatment system would be capitalized and amortized over the future
useful life of the resulting asset in accordance with generally accepted
accounting principles. The settlement with the DOJ also is expected to involve
the payment of a civil penalty of less than $2 million. In fiscal 1993, the
Company recorded a $2 million reserve for the litigation. See "Risk
Factors -- Environmental Regulation."
    
 
                                       20
<PAGE>   22
 
                                    BUSINESS
OVERVIEW
 
     The Company is an independent refiner of petroleum and petroleum
derivatives and produces high value light products such as gasoline, diesel fuel
and jet fuel for sale primarily in the southwestern United States and northern
Mexico. The Company owns a high-conversion petroleum refinery in Artesia, New
Mexico, which it operates in conjunction with crude, vacuum distillation and
other facilities situated 65 miles away in Lovington, New Mexico. The Navajo
Refinery has a crude capacity of 60,000 BPD and can process a variety of high
sulphur sour crude oils. For the last three fiscal years, sour crude oils have
represented approximately 85% of the crude oils processed by the Navajo
Refinery. The Navajo Refinery's processing capabilities enable management to
vary its crude supply mix to take advantage of changes in raw materials prices
and to respond to fluctuations in the availability of crude oil supplies. The
Navajo Refinery converts approximately 86% of its raw materials throughput into
high value light products. For fiscal 1994, including barrels purchased for
resale, gasoline, diesel fuel and jet fuel represented 56.5%, 19.7% and 11.1%,
respectively, of Navajo's sales volume. For the last three fiscal years,
excluding downtime for scheduled maintenance and turnarounds, the Navajo
Refinery has operated at an average annual crude capacity utilization rate of
approximately 93%.
 
     The Artesia facility is located on a 300-acre site and has fully integrated
crude, FCC, vacuum distillation, alkylation, hydrodesulfurization and reforming
units, and approximately 1.5 million barrels of feedstock and product tank
storage. The Lovington facility is operated as an integrated component of the
Navajo Refinery and refines crude oil into intermediate products, which are
transported, primarily via a Company-owned pipeline, to the Artesia facility for
further processing. Navajo's assets also include a 500-mile crude oil gathering
pipeline system, 30 crude oil and product tank trucks, three refined products
pipelines and product storage at terminals in Tucson, Albuquerque, Artesia and
El Paso in which the Company has 50% or greater interests.
 
     The Company also owns a 7,000 BPD petroleum refinery near Great Falls,
Montana, which can process a range of crude oils and which serves primarily the
State of Montana. For fiscal 1994, including barrels purchased for resale,
gasoline, diesel fuel, asphalt and jet fuels, represented 38.6%, 24.3%, 18.6%
and 15.7% of MRC's sales volume. For the last three fiscal years, excluding
downtime for scheduled maintenance and turnarounds, the Montana Refinery has
operated at an average annual crude capacity utilization rate of approximately
94%.
 
     In addition to its refining operations, the Company also conducts a
small-scale oil and gas exploration and production program.
 
BUSINESS STRENGTHS
 
     Despite fluctuating industry conditions, the Company, which was
incorporated in 1947 and acquired the Navajo Refinery in 1969, has generated
positive net income and cash flow from operations for each of the past 24 years.
The Company had net income and cash from operating activities of $24.0 million
and $33.6 million, respectively, for fiscal 1990, $11.7 million and $27.9
million for fiscal 1991, $2.8 million and $1.0 million for fiscal 1992, $19.0
million and $38.7 million for fiscal 1993, and $20.7 million and $27.7 million
for fiscal 1994. The Company believes that it has certain business strengths
that have contributed to its history of profitable operations. Among those
strengths are the following:
 
     - Geographic location/attractive markets. The Navajo Refinery primarily
      serves the growing southwestern United States market, including El Paso,
      Albuquerque, Phoenix and Tucson, which generally has favorable supply and
      demand characteristics compared to Gulf Coast markets, and the northern
      Mexico market, which is expected to experience demand growth over the next
      several years. According to data compiled by the United States Bureau of
      the Census, from April 1, 1990 to July 1, 1993, the population of the
      Navajo Refinery's principal market area in the U.S. (Arizona, New Mexico
      and El Paso) grew at a compound annual rate of 2.2%, compared to a
      nationwide compound annual growth rate of 1.1% during that period. From
      April 1, 1980 to July 1, 1993, this area grew at a compound annual rate of
      2.5%, compared to a nationwide rate of 1.0%. The Montana Refinery serves
      primarily the
 
                                       21
<PAGE>   23
 
      State of Montana, which also historically has had relatively favorable
      supply and demand characteristics.
 
     - High conversion refinery. The Navajo Refinery converts approximately 86%
      of its raw materials throughput into high value light products from a
      variety of sour crudes and can vary the refined products it produces to
      respond to fluctuations in demand. The Navajo Refinery's processing
      facilities also enable management to vary the refinery's crude supply mix
      to take advantage of changes in raw materials prices and to respond to
      fluctuations in the availability of crude oil supplies. For the last three
      fiscal years, sour crude oils have represented approximately 85% of the
      crude oils processed by the Navajo Refinery.
 
     - Raw material supply. Located on the northwestern shelf of the Permian
      Basin, the Navajo Refinery has direct access to a historically reliable
      crude oil supply, which is transported to the refinery primarily through a
      500-mile, Company-owned crude oil pipeline gathering system and by crude
      oil tank trucks. The Company's crude oil pipelines connect to tankage
      facilities in New Mexico and Texas, and are connected to, or are located
      in proximity to, a number of common carrier crude oil pipelines. The
      Montana Refinery obtains most of its crude oil via a 93-mile,
      Company-owned pipeline which runs from near the Canadian border.
 
     - Distribution logistics. The Company distributes refined products from the
      Navajo Refinery to its principal markets primarily through (i) a
      Company-owned pipeline extending from Artesia to El Paso and (ii) a
      Company-owned pipeline extending from Artesia to Orla, Texas, and from
      there west to El Paso. Products can be shipped by pipeline from El Paso to
      Albuquerque via a products pipeline system owned by Chevron Pipeline
      Company and to Tucson and Phoenix via a products pipeline system owned by
      Santa Fe Pacific Pipeline. The Company also owns a segment of a products
      pipeline running from Orla to Odessa, Texas, which is currently inactive.
      The Company believes that the proximity of the Navajo Refinery to its
      principal markets and the refinery's products distribution network provide
      a transportation cost advantage over Gulf Coast and West Coast refineries
      in supplying its markets.
 
BUSINESS STRATEGY
 
     The Company's strategy has been, and continues to be, to optimize its
refinery operations to increase the proportion of high value products it
produces and to lower operating costs. As part of this strategy, the Company
completed a $63 million expansion of the Navajo Refinery in December 1991,
which, among other things, increased its refining capacity from 40,000 to 60,000
BPD. That expansion consisted principally of the addition of a new continuous
catalytic regeneration unit, the modification of the FCC unit, the expansion of
the naphtha desulfurizer and the installation of new sulphur and alkylation
units. The installation of new equipment and the modification and upgrading of
existing equipment as part of that expansion program increased the proportion of
sour crude oils that the Navajo Refinery can process and increased the
proportion of its throughput that can be converted into higher value products.
 
     The Company continues to evaluate improvements to its operating cost
structure, refineries and crude oil gathering and product distribution systems.
Management believes that certain enhancements and additions to the Navajo
Refinery should better position the Company to respond to competitive pressures
and to meet possible increases in demand for refined products. As part of its
strategy, management intends to spend approximately $15 million over an 18-month
period on identified capital enhancement projects at the Navajo Refinery. Those
projects involve upgrades to the FCC and alkylation units, the construction of
an isomerization unit and the installation of a new SHP unit. Management expects
these projects to increase the Navajo Refinery's total gasoline production and
to improve its ability to produce a greater proportion of "premium" (high
octane) gasoline. In addition, these enhancements and plant additions are
expected to improve management's flexibility to operate using different types of
crude oils and other raw materials and to provide a platform for further
refinery expansion, if appropriate, in the future. In addition, the Company is
evaluating a number of other possible capital improvement projects, including
(i) the redistribution of process activities between the Lovington and Artesia
facilities in order to realize potential operating and transportation cost
savings, (ii) other upgrades to improve the efficiency of the Navajo Refinery,
(iii) modifications to increase
 
                                       22
<PAGE>   24
 
product pipeline distribution capacity and (iv) product pipeline reconditioning
and construction to facilitate entry into new markets. See "Capital Improvement
Projects -- Other Projects Under Consideration."
 
NAVAJO REFINING COMPANY
 
  Facilities
 
     With the completion of a major expansion in December 1991, Navajo's
refining capacity increased from 40,000 to 60,000 BPD. The Navajo Refinery has
the ability to process a variety of sour crude oils and, as a result of the
expansion, has increased the proportion of throughput that can be converted into
high value light products (such as gasoline, diesel fuel and jet fuel). The
expansion has also increased internal high octane capabilities and has augmented
overall operating flexibility.
 
   
     The following table sets forth certain information concerning the
operations of Navajo during the last five fiscal years and during the nine-month
periods ending April 30, 1994 and 1995:
    
 
   
<TABLE>
<CAPTION>
                            NINE MONTHS ENDED
                                APRIL 30,                         YEARS ENDED JULY 31,
                            -----------------      --------------------------------------------------
                             1995       1994        1994        1993      1992      1991        1990
                            ------     ------      ------      ------    ------    ------      ------
<S>                         <C>        <C>         <C>         <C>       <C>       <C>         <C>
Refinery production
  (BPD)(1)................  62,200     56,400(2)   57,400(2)   58,600    48,900    38,800(2)   40,000
Crude charge (BPD)(3).....  59,527     52,531(2)   54,089(2)   55,488    45,363    37,663(2)   39,524
Refinery
  utilization(BPD)(4).....   99.2%      87.6%(2)    90.1%(2)    92.5%     87.8%     94.2%(2)    98.8%
Average per barrel:
  Net sales...............  $23.74     $22.39      $22.63      $25.39    $24.69    $29.89      $25.59
  Raw materials
     costs(5).............   19.10      16.35       17.20       20.26     20.53     24.67       19.83
                            ------     ------      ------      ------    ------    ------      ------
  Gross margin............  $ 4.64     $ 6.04      $ 5.43      $ 5.13    $ 4.16    $ 5.22      $ 5.76
                            ======     ======      ======      ======    ======    ======      ======
</TABLE>
    
 
- ---------------
 
(1) Barrels per calendar day of refined products produced from crude oil and
     other raw materials.
 
   
(2) Refinery production, crude charge and utilization rates were reduced as the
     result of a scheduled four-week turnaround for major maintenance.
    
 
(3) Barrels per day of crude oil processed.
 
(4) Crude charge divided by crude capacity.
 
(5) Includes cost of refined products purchased for resale.
 
     Navajo's Artesia facility has fully integrated crude, FCC, vacuum
distillation, alkylation, hydrodesulfurization and reforming units, and
approximately 1.5 million barrels of feedstock and product tank storage, as well
as other supporting units and office buildings at the site. The Artesia
facilities are operated in conjunction with integrated refining facilities
located in Lovington, New Mexico, approximately 65 miles east of Artesia. The
principal equipment at Lovington consists of a crude unit and an associated
vacuum unit. The Lovington facility processes crude oil into intermediate
products, which are transported to Artesia through a Company-owned eight-inch
pipeline or by tanker truck.
 
                                       23
<PAGE>   25
 
     The following table shows the major units of the Navajo Refinery and their
respective dates of construction or last major modification or upgrade:
 
<TABLE>
<CAPTION>
                                                                     YEAR OF COMPLETION OR
                               UNITS                             MOST RECENT MAJOR MODIFICATION
    -----------------------------------------------------------  ------------------------------
    <S>                                                          <C>
    Artesia Crude Distillation Unit............................               1981
    Artesia Vacuum Distillation Unit...........................               1981
    Lovington Crude Distillation Unit..........................               1991
    Lovington Vacuum Distillation Unit.........................               1991
    Diesel Hydrodesulfurization Unit...........................               1993
    Naptha/Kerosene Hydrodesulfurization Unit..................               1991
    Fluid Catalytic Cracking Unit*.............................               1991
    Alkylation Unit*...........................................               1991
    Catalytic Reformer Unit....................................               1991
</TABLE>
 
- ---------------
   
* To be upgraded as part of the capital improvements projects described under
  "Capital Improvement Projects -- Identified Refinery Enhancement Projects."
    
 
     The Company's 500 miles of crude gathering pipelines lead to the Artesia
and Lovington facilities from various points in southeastern New Mexico. The
Company distributes refined products from the Navajo Refinery to its principal
markets primarily through (i) a Company-owned pipeline which extends from
Artesia to El Paso and (ii) a Company owned pipeline extending from Artesia to
Orla, Texas and from there west to El Paso. The Company has product storage at
terminals in Tucson, Albuquerque, Artesia and El Paso in which the Company has
50% or greater interests. The Company also owns a segment of products pipeline
running from Orla to Odessa, Texas, which is currently inactive. The Odessa
pipeline segment could be utilized following certain capital expenditures for
reconditioning.
 
  Markets and Competition
 
     The Navajo Refinery primarily serves the growing southwestern United States
market, including El Paso, Albuquerque, Phoenix and Tucson, and the northern
Mexico market. The Company's products are shipped by pipeline from El Paso to
Albuquerque via a products pipeline system owned by Chevron Pipeline Company and
to Tucson and Phoenix via a products pipeline system owned by Santa Fe Pacific
Pipeline. The map below illustrates the Company's distribution system to its
major markets. Access to the Company's markets by Gulf Coast refiners is limited
primarily by the lack of available products pipelines.


                                      
                                    [MAP]
                                      
                                      
                                      24
<PAGE>   26
 
     Growth in the Company's principal markets can be illustrated by the
increasing gasoline consumption in the southwestern United States during the
five years ended December 31, 1993, as shown in the following table:

                  GASOLINE CONSUMPTION IN SOUTHWESTERN STATES
 
<TABLE>
<CAPTION>
                                      1993         1992         1991         1990         1989
                                    ---------    ---------    ---------    ---------    ---------
    <S>                             <C>          <C>          <C>          <C>          <C>
    Barrels per Day:
      Arizona.....................    119,925      116,840      113,433      110,524      113,800
      New Mexico..................     56,866       54,688       53,518       52,387       52,898
      Texas*......................    578,414      564,309      554,748      576,802      569,204
              Total U.S...........  7,606,918    7,471,633    7,322,877    7,453,498    7,480,858
</TABLE>
 
   
<TABLE>
<CAPTION>
                                                                                          COMPOUND
                                                                                           ANNUAL
                                                                                           GROWTH
                                              1992-93    1991-92    1990-91    1989-90      RATE
                                              -------    -------    -------    -------    --------
    <S>                                       <C>        <C>        <C>        <C>        <C>
    Percentage Annual Change:
      Arizona...............................     2.6%       3.0%        2.6%      (2.9)%     1.3%
      New Mexico............................     4.0        2.2         2.2       (1.0)      1.8
      Texas*................................     2.5        1.7        (3.8)       1.3       0.4
              Total U.S.....................     1.8        2.0        (1.8)      (0.4)      0.4
</TABLE>
    
 
- ---------------
* Principal market served is El Paso.
 
Source: U.S. Department of Transportation.
 
     The petroleum refining business is highly competitive. Among the Company's
competitors are some of the world's largest integrated petroleum companies,
which have their own crude oil supplies, distribution and marketing systems. The
Company competes with independent refiners as well. Competition in particular
geographic markets is affected primarily by the amounts of refined products
produced by refineries located in such markets and by the availability of
refined products and the cost of transportation to such markets from refineries
located outside those markets. Diamond Shamrock, Inc., an independent refiner
and marketer, is building a 420-mile, ten-inch refined products pipeline from
its McKee refinery near Dumas, Texas to El Paso, the Company's largest market.
Diamond Shamrock has announced that it expects to complete that pipeline, which
will have an initial capacity of 25,000 BPD, in October 1995, and that it
intends to use its pipeline to supply fuel to the El Paso, Arizona and northern
Mexico markets. The Diamond Shamrock pipeline could substantially increase the
supply of refined products in the Company's principal markets. In addition,
there is excess pipeline capacity from the West Coast into the Company's Arizona
markets. There can be no assurance that West Coast refiners will not seek to
increase shipments of refined products into the Company's markets or that other
industry participants will not seek to deliver their products to the Company's
markets through existing pipelines, new pipelines or otherwise. An increased
supply of products in the Company's markets could adversely affect its sales
volume and the prices it can obtain for its products.
 
   
     At times in the past, the common carrier pipelines used by the Company to
serve the Arizona markets have been operated at or near their capacity and have
been subject to periods of proration. In July 1993, the Company entered into a
settlement agreement regarding that pipeline system. Under the agreement, the
occurrence of certain defined events will require increases in the capacity of
the pipeline. It is anticipated that this settlement lessens, at least in the
foreseeable future, the likelihood of prolonged future constraints on the
movement of the Company's products into Arizona. In addition, the common carrier
pipeline used by the Company to serve the Albuquerque market currently is
operating at or near capacity. As a result, the volume of refined products that
the Company and other shippers have been able to deliver to this market at times
has been limited. In general, no assurances can be given that the Company will
not experience future constraints on its ability to deliver its products through
common carrier pipelines or that any existing constraints will not worsen. In
particular, the flow of additional product into El Paso for shipment to Arizona,
either as a result of the new Diamond Shamrock pipeline or otherwise, could
result in the reoccurrence of such constraints.
    
 
                                       25
<PAGE>   27
 
  Crude Oil and Feedstock Supplies
 
     The Navajo Refinery is situated near the Permian Basin in an area with
historically abundant crude supplies. The Company purchases crude oil from
producers in nearby southeastern New Mexico and west Texas, from major oil
companies and on the spot market. Crude oil is gathered through the Company's
pipelines and tank trucks and through third party crude oil pipeline systems.
Crude oil acquired in locations distant from the refinery is exchanged for crude
oil that is transportable to the refinery. In 1993, the Company reactivated a
subsidiary, Navajo Crude Oil Marketing Company, to facilitate the purchase of
crude oil from leases in west Texas and New Mexico.
 
  Principal Products and Customers
 
   
     The Navajo Refinery converts approximately 86% of its raw materials
throughput into high value light products. Set forth below is certain
information regarding the principal products of Navajo during the last five
fiscal years and during the nine-month periods ending April 30, 1994 and 1995:
    
 
   
<TABLE>
<CAPTION>
                                 NINE MONTHS ENDED            
                                     APRIL 30,                
                          --------------------------------    
                               1995              1994         
                          --------------    --------------    
                           BPD       %       BPD       %      
                          ------   -----    ------   -----    
<S>                       <C>      <C>      <C>      <C>      
Product sales (percent                                 
  of total sales                                      
  volumes)(1):                               
  Gasolines.............  37,600    59.5%   32,700    56.6% 
  Diesel fuels..........  11,800    18.7    11,700    20.2    
  Jet fuels.............   6,900    10.9     6,100    10.6    
  Asphalt...............   4,000     6.3     4,700     8.1    
  LPG and other.........   2,900     4.6     2,600     4.5    
                          ------   -----    ------   -----    
                          63,200   100.0%   57,800   100.0%   
                          ------   -----    ------   -----    
</TABLE>                                   
    
   
<TABLE>
<CAPTION>
                                           
                                                                            YEARS ENDED JULY 31,
                                           --------------------------------------------------------------------------------------
                                                1994              1993              1992              1991              1990
                                           --------------    --------------    --------------    --------------    --------------
                                            BPD       %       BPD       %       BPD       %       BPD       %       BPD       %
                                           ------   -----    ------   -----    ------   -----    ------   -----    ------   -----
<S>                                        <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
Product sales (percent of
 total sales volumes)(1):
  Gasolines.............................   33,200    56.5%   32,600    53.4%   24,800    50.3%   18,500    47.7%   19,700    48.5%
  Diesel fuels..........................   11,600    19.7    14,500    23.7    10,300    20.9     7,600    19.6     7,400    18.2
  Jet fuels.............................    6,500    11.1     5,900     9.7     6,200    12.6     7,200    18.5     8,400    20.7
  Asphalt...............................    4,900     8.3     5,500     9.0     5,000    10.1     2,900     7.5     2,500     6.2
  LPG and other.........................    2,600     4.4     2,600     4.2     3,000     6.1     2,600     6.7     2,600     6.4
                                           ------   -----    ------   -----    ------   -----    ------   -----    ------   -----
                                           58,800   100.0%   61,100   100.0%   49,300   100.0%   38,800   100.0%   40,600   100.0%
                                           ======   =====    ======   =====    ======   =====    ======   =====    ======   =====
</TABLE>
    
 
- --------------
 
   
(1) Includes refined products purchased for resale representing 1.9%, 3.8%,
    4.0%, 3.2%, 0.4%, 0.5% and 0.2%, respectively, of total sales volume for the
    periods shown in the table above.
    
 
     Light products are shipped by product pipelines or are made available at
distant points by exchanges with others. Light products are also available to
customers through truck loading facilities at the refineries and at terminals.
The demand for the Company's gasoline and asphalt products has historically been
stronger from March through October, which are the peak "driving" and road
construction months, than during the rest of the year.
 
     The Company's principal customers for gasoline include other refiners,
convenience store chains, independent marketers, an affiliate of PEMEX (the
government-owned energy company of Mexico) and retailers. Navajo's gasoline is
marketed in the southwestern United States, including the metropolitan areas of
El Paso, Phoenix, Albuquerque, and Tucson, and in portions of northern Mexico.
Diesel fuel is sold to other refiners, wholesalers, independent dealers and
railroads. Jet fuel is sold primarily for military use. Military jet fuel is
sold to the Defense Fuel Supply Center (the "DFSC") of the Defense Logistics
Agency under a series of one-year contracts that can vary significantly from
year to year. Navajo sold approximately 7,000 BPD of jet fuel to the DFSC in its
1994 fiscal year and has a contract to supply 8,100 BPD to the DFSC for the year
ending September 30, 1995. Asphalt is sold to contractors and government
authorities for highway construction and maintenance. Carbon black oil is sold
for further processing, and LPGs are sold to petrochemical plants and are used
as fuel in refinery operations.
 
   
     Approximately 12% of the Company's revenues for the first nine months of
fiscal 1995 and 12% of revenues for fiscal 1994 resulted from the sale of
military jet fuel to the United States government. Although there can be no
assurance that the Company will be awarded such contracts in the future, the
Company has had a supply contract with the United States government for each of
the last 26 years. Approximately 7% of the Company's revenues for the first nine
months of fiscal 1995 and 11% of revenues for fiscal 1994 resulted from the sale
of gasoline to an affiliate of PEMEX. Those sales were made under a contract
that expires in
    
 
                                       26
<PAGE>   28
 
mid-1997. The loss of the Company's supply contract with the United States
government or with PEMEX could have a material adverse effect on the Company's
results of operations.
 
CAPITAL IMPROVEMENT PROJECTS
 
  Identified Refinery Enhancement Projects
 
     As part of its efforts to improve operating efficiencies, management
intends to enhance the Navajo Refinery by upgrading the alkylation and FCC
units, constructing an isomerization unit and installing a new SHP unit. These
projects are intended to improve the Navajo Refinery's ability to produce a
greater proportion of higher yielding products, principally "premium" (high
octane) gasolines, and to enhance management's flexibility to choose among
different types of crude oils and other raw materials in response to changing
prices of supplies. The Company currently estimates that the cost of these
projects will be approximately $15 million and expects to implement them over an
18-month period.
 
     The modified FCC unit is expected to permit the refining of heavier
feedstocks than are currently processed, which would enhance the Company's
ability to take advantage of price differentials between sweet and sour crude
oils. Similarly, the isomerization unit is expected to provide the Company with
the ability to upgrade additional quantities of lower priced natural gasoline
into finished gasoline. It is anticipated that the SHP unit and the upgraded
alkylation unit will increase the refinery's production capacity for alkylate, a
high octane gasoline blendstock, which also would contribute to the refinery's
improved ability to produce premium unleaded gasolines and to upgrade natural
gasoline into a refined product. Consequently, the Company expects that the
enhancements to the Navajo Refinery will provide management with additional
flexibility in managing the refinery's crude oil and other raw materials
supplies. Further, based on industry studies concerning new environmental
regulations promulgated by the California Air Resources Board and scheduled to
go into effect in California in 1996, it appears that California refiners may
require increased supplies of alkylates to produce the cleaner burning gasolines
called for by the new regulations. In that event, the Navajo Refinery's
increased production of alkylate could be made available for sale to California
refineries.
 
     The Company expects to commence its identified refinery enhancement
projects promptly. However, management intends to bring the new and upgraded
equipment on-line in a manner that will minimize disruption to the Navajo
Refinery's operations. Consequently, management does not expect to make the FCC
modifications until the scheduled fall 1996 maintenance turnaround of the
refinery.
 
  Other Capital Projects
 
     The Company is currently evaluating certain other enhancements and
additions to the Navajo Refinery and the related supply and distribution systems
to better position it to respond to competitive pressures and to meet possible
increases in demand for refined products. Future capital projects that are being
considered include (i) the redistribution of process activities between the
Lovington and Artesia facilities in order to realize potential operating and
transportation cost savings, (ii) other upgrades to improve the efficiency of
the Navajo Refinery, (iii) modifications to increase product pipeline
distribution capacity and (iv) product pipeline reconditioning and construction
to facilitate entry into new markets. Management believes that the proceeds from
the Offerings not expended on the currently identified projects, together with
cash flows from operating activities, should be sufficient to fund the other
projects under consideration.
 
MONTANA REFINING COMPANY
 
     MRC owns a 7,000 BPD petroleum refinery near Great Falls, Montana, which
can process a range of crude oils and which serves primarily the State of
Montana. For the last three fiscal years, excluding downtime for scheduled
maintenance and turnarounds, the Montana Refinery has operated at an average
annual crude capacity utilization rate of approximately 94%.
 
                                       27
<PAGE>   29
 
   
     The following table sets forth certain information regarding the principal
products of MRC during the last five years and during the nine-month periods
ending April 30, 1994 and 1995:
    
 
   
<TABLE>
<CAPTION>
                                                NINE MONTHS ENDED           
                                                    APRIL 30,               
                                          ------------------------------    
                                              1995             1994         
                                          -------------    -------------    
                                           BPD      %       BPD      %      
                                          -----   -----    -----   -----    
<S>                                       <C>     <C>      <C>     <C>      
Product sales (percent of                                                                 
  total sales volumes)(1):                                                                
  Gasolines.....................          2,300    36.5%   2,700    40.3%   
  Diesel fuels..................          1,700    27.0    1,700    25.4    
  Jet fuels.....................            900    14.3    1,200    17.9    
  Asphalt.......................          1,100    17.4      900    13.4    
  LPG and other.................            300     4.8      200     3.0    
                                          -----   -----    -----   -----    
       Total....................          6,300   100.0%   6,700   100.0%   
                                          =====   =====    =====   =====    
</TABLE>                                        
    
   
<TABLE>
<CAPTION>
                                              
                                                                              YEARS ENDED JULY 31,
                                                ---------------------------------------------------------------------------------
                                                    1994             1993             1992             1991             1990
                                                -------------    -------------    -------------    -------------    -------------
                                                 BPD      %       BPD      %       BPD      %       BPD      %       BPD      %
                                                -----   -----    -----   -----    -----   -----    -----   -----    -----   -----
<S>                                             <C>     <C>      <C>     <C>      <C>     <C>      <C>     <C>      <C>     <C>
Product sales (percent of                     
  total sales volumes)(1):                    
  Gasolines.....................                2,700    38.6%   2,700    39.1%   2,800    42.4%   2,400    40.0%   2,400    36.4%
  Diesel fuels..................                1,700    24.3    1,600    23.2    1,500    22.7    1,400    23.4    1,400    21.2 
  Jet fuels.....................                1,100    15.7    1,200    17.4    1,100    16.7      900    15.0    1,200    18.2 
  Asphalt.......................                1,300    18.6    1,200    17.4    1,100    16.7    1,100    18.3    1,300    19.7 
  LPG and other.................                  200     2.8      200     2.9      100     1.5      200     3.3      300     4.5 
                                                -----   -----    -----   -----    -----   -----    -----   -----    -----   ----- 
       Total....................                7,000   100.0%   6,900   100.0%   6,600   100.0%   6,000   100.0%   6,600   100.0%
                                                =====   =====    =====   =====    =====   =====    =====   =====    =====   ===== 
</TABLE>                                        
    
 
- ---------------
 
   
(1) Includes refined products purchased for resale representing 9.0%, 3.1%,
     3.4%, 3.2%, 2.6%, 2.1% and 1.1%, respectively, of total sales volume for
     the periods shown in the table above.
    
 
     The Montana Refinery obtains its supply of crude oils primarily from
suppliers in Canada via a 93-mile, Company-owned pipeline, which runs from near
the Canadian border. The Montana Refinery's principal markets include Great
Falls, Helena, Bozeman and Billings, Montana. MRC competes principally with
three other Montana refineries.
 
JET FUEL TERMINAL
 
     The Company owns and operates a 120,000 barrel capacity jet fuel terminal
near Mountain Home, Idaho, which serves as a terminalling facility for jet fuel
sold by unaffiliated producers to the Mountain Home United States Air Force
Base.
 
NAVAJO WESTERN ASPHALT COMPANY
 
     Navajo Western Asphalt Company, a wholly-owned subsidiary of the Company,
operates an asphalt marketing facility near Phoenix. The Company has recently
completed construction of asphalt processing and storage facilities that should
allow it to expand this operation. In addition to serving as a marketing outlet
for asphalt produced by Navajo at the Lovington facility, Navajo Western markets
asphalt for third parties.
 
EXPLORATION AND PRODUCTION
 
     The Company contracts with two independent oil and gas consulting groups
that identify oil and gas exploration and production projects for the Company.
The scope of this activity is presently modest relative to the Company's
refining operations. For fiscal 1995, the Company has budgeted approximately $4
million for capital expenditures related to oil and gas exploration activities.
The majority of that budget will be used to fund the anticipated costs to
complete production facilities at two offshore properties in which the Company
has an interest.
 
EMPLOYEES AND LABOR RELATIONS
 
     As of April 30, 1995, the Company had approximately 540 employees, of whom
451 were employed by the Navajo Refinery and 73 were employed at the Montana
Refinery. Of its employees, 216 are covered by collective bargaining agreements
("covered employees"). Contracts relating to the covered employees at all
facilities were negotiated during 1993 and will expire in 1996. The Company
considers its employee relations to be good.
 
                                       28
<PAGE>   30
 
REGULATION
 
     Refinery operations are subject to federal, state and local laws regulating
the discharge of matter into the environment or otherwise relating to the
protection of the environment. Over the years, there have been and continue to
be ongoing communications, including notices of violations, and discussions
about environmental matters, between the Company and federal and state
authorities, some of which have resulted in changes in operating procedures and
certain capital expenditures by the Company. Compliance with applicable
environmental laws and regulations will continue to have an impact on the
Company's operations and capital requirements. For example, the final form of
the regulations implementing recent amendments to the Clean Air Act could have a
substantial impact on the future capital spending requirements of the Company
and the refining industry as a whole.
 
     The EPA has promulgated regulations which substantially reduced the
allowable sulfur content of diesel fuel for sales starting in October 1993. In
fiscal 1994, the Company completed projects which allow Navajo and MRC to meet
this new standard.
 
     Effective January 1, 1995, certain cities in the country were required to
use only reformulated gasoline ("RFG"), a cleaner burning fuel. While none of
the Company's principal markets presently require RFG, this requirement could be
implemented over time. Further, other requirements of the Clean Air Act could
cause the Company to be required to expend substantial amounts for compliance at
its refineries. Expenditures in connection with Clean Air Act at the Montana
Refinery could be proportionally larger than similar expenditures anticipated
for the Navajo Refinery. However, the specifics of these requirements and their
attendant costs are not presently determinable.
 
     The Company is and has been the subject of various state, federal and
private proceedings relating to environmental regulations, conditions and
inquiries. The most significant of these is the enforcement action which has
been brought by the DOJ, on behalf of the EPA, and which is discussed in
"Management's Discussion and Analysis of Results of Operations and Financial
Condition -- Financial Condition" and in Note 12 to the Consolidated Financial
Statements for the year ended July 31, 1994 included elsewhere herein. In
addition to the expenditures that will likely be incurred in connection with a
resolution of this matter, current or future environmental regulations likely
will require additional remediation or other expenditures at the Navajo and
Montana Refineries. The extent of any such expenditures cannot be presently
determined.
 
   
     The Company's operations are also subject to various laws and regulations
relating to occupational health and safety. The Company maintains safety,
training and maintenance programs as part of its ongoing efforts to ensure
compliance with applicable laws and regulations. Moreover, while recently
enacted comprehensive health and safety legislation has required, and will
continue to require, substantial expenditures and modifications of procedures,
the Company believes it is taking the appropriate steps to ensure compliance.
    
 
   
     Notwithstanding the Company's efforts, following an eight-month series of
inspections at MRC, the Occupational Safety and Health Administration recently
issued numerous citations alleging a variety of matters of noncompliance. MRC
has contested all citations and it cannot presently determine the extent of any
fines and related costs for which it will ultimately be responsible. The parties
have recently been engaged in substantive settlement discussions; however, no
assurance can be given that a settlement will ultimately be reached.
    
 
INSURANCE
 
   
     The Company's operations (including its limited exploration and production
activities) are subject to normal business hazards, including fire, explosion
and weather-related perils. The Company maintains various insurance coverages,
including business interruption insurance, subject to certain deductibles. The
Company is not fully insured against those risks that are not fully insurable or
for which coverage is unavailable or premium costs are prohibitive.
    
 
LEGAL PROCEEDINGS
 
     In July 1993, the DOJ, acting on behalf of the EPA, filed a complaint in
the United States District Court for the District of New Mexico alleging that
Navajo, beginning in September 1990 and continuing until the
 
                                       29
<PAGE>   31
 
   
present, had violated and continues to violate RCRA and implementing regulations
of the EPA by treating, storing and disposing of certain hazardous wastes
without necessary authorization and without compliance with regulatory
requirements. The complaint seeks a court order directing Navajo to comply with
these regulatory standards and civil penalties for the alleged non-compliance.
The Company believes that the parties are in the final stages of negotiations
that should resolve the litigation. Based on these negotiations, the Company
would close the existing evaporation ponds of its wastewater management system
and implement an alternative waste water treatment system. Any settlement with
DOJ and EPA also is expected to involve payment of a civil penalty. See "Risk
Factors -- Environmental Regulation," "Management's Discussion and Analysis of
Results of Operations and Financial Condition" and the Notes to the Consolidated
Financial Statements included elsewhere herein.
    
 
     The Company is a party to various other litigation and proceedings which it
believes, based on advice of counsel, will not have a material adverse impact on
its financial condition or results of operations.
 
                            MANAGEMENT AND DIRECTORS
 
EXECUTIVE OFFICERS
 
     The following table identifies the executive officers of the Company:
 
<TABLE>
<CAPTION>
                                                                                    EXECUTIVE
                NAME              AGE                   POSITION                  OFFICER SINCE
    ----------------------------  ---   ----------------------------------------  -------------
    <S>                           <C>   <C>                                       <C>
    Lamar Norsworthy............  48    Chairman of the Board, President and           1971
                                        Chief Executive Officer
    Jack P. Reid................  58    Executive Vice President, Refining and         1976
                                        Director
    William J. Gray.............  54    Senior Vice President, Marketing and           1976
                                        Supply
    Matthew P. Clifton..........  43    Senior Vice President                          1988
    David G. Blair..............  37    Vice President, Marketing Asphalt and          1994
                                        LPG
    Christopher L. Cella........  38    Vice President, General Counsel and            1990
                                        Secretary
    Karl N. Knapp...............  36    Vice President                                 1994
    John A. Knorr...............  44    Vice President, Crude Oil Supply and           1988
                                        Trading
    Virgil R. Langford..........  49    Vice President, Refining                       1989
    Mike Mirbagheri.............  56    Vice President, International Crude Oil        1982
                                        and Refined Products
    Henry A. Teichholz..........  52    Vice President, Treasurer and Controller       1984
    Gregory A. White............  37    Vice President, Marketing Light Oils           1994
</TABLE>
 
     In addition to the persons listed above, Kathryn Walker, age 44, was
appointed Controller of Navajo Refining Company in August 1993; prior thereto
she served from November 1985 as Assistant Controller of Navajo.
 
     All officers of the Company are elected annually to serve until their
successors have been elected. Mr. Cella joined the Company in 1990, having
previously been associated with the law firm of Gibson, Dunn & Crutcher since
1982. Mr. Clifton previously served as Vice President, Economics, Engineering
and Legal Affairs from 1988 to 1991. Mr. Knorr serves as the General Manager of
MRC. Mr. Langford became Navajo's refinery manager in January 1989 and had held
a similar position with MRC since 1985. Messrs. Blair, Knapp and White were
elected to their respective positions in September 1994. Mr. Blair has
 
                                       30
<PAGE>   32
 
served as Marketing Manager of Asphalt and LPG of Navajo since 1989 and
previously held various marketing and supply positions. Mr. Knapp joined the
Company in 1992 and served as Director of Corporate Development from 1992 to
1994. Mr. Knapp was Director of Corporate Planning for Northwest Airlines from
1991 to 1992, and prior to that was associated with the management consulting
firm of Monitor Company from 1987 to 1991. Mr. White has served as Marketing
Manager of Light Oils of Navajo since 1989 and previously held various marketing
and supply positions.
 
DIRECTORS
 
     The following table identifies the directors of the Company:
 
<TABLE>
<CAPTION>
                                  NAME                            AGE      DIRECTOR SINCE
        --------------------------------------------------------  ---      --------------
        <S>                                                       <C>      <C>
        W. John Glancy..........................................  53            1975
        Marcus R. Hickerson.....................................  68            1960
        A.J. Losee..............................................  70            1978
        Thomas K. Matthews, II..................................  69            1978
        Robert G. McKenzie......................................  56            1992
        Lamar Norsworthy........................................  48            1967
        E.I. Parsons............................................  66            1976
        Jack P. Reid............................................  58            1977
</TABLE>
 
     W. John Glancy has been a partner in Weil, Gotshal & Manges since April
1995 and previously practiced in the Law Offices of W. John Glancy from January
1991. From 1988 to 1990, Mr. Glancy was a partner in the law firm of Hughes &
Luce.
 
     Marcus R. Hickerson has been a consultant to Centex Development Company
since 1987.
 
     A. J. Losee is a shareholder in the Artesia, New Mexico law firm of Losee,
Carson, Haas & Carroll, P.A., and has practiced law for more than 40 years.
 
     Thomas K. Matthews, II, is a financial consultant.
 
     Robert G. McKenzie has been Executive Vice President and Chief Operating
Officer of Brown Brothers Harriman Trust Company of Texas since January 1990.
Previously, he was Executive Vice President of NCNB Texas National Bank and of
First Republic Bank Dallas N.A. and Senior Vice President of RepublicBank
Dallas, N.A.
 
     Lamar Norsworthy is Chairman of the Board, Chief Executive Officer and
President of the Company.
 
     E. I. Parsons until his retirement in January 1992 was Vice Chairman of the
Board of the Company.
 
     Jack P. Reid is Executive Vice President, Refining, of the Company.
 
                                       31
<PAGE>   33
 
                              SELLING STOCKHOLDERS
 
     The following table sets forth the names of the Selling Stockholders, the
aggregate number of shares of Common Stock identified by the Selling
Stockholders as being beneficially owned by them as of May 15, 1995, and the
aggregate number of shares of Common Stock being sold by each of them in the
Offering.
 
   
<TABLE>
<CAPTION>
                                                                                 NUMBER OF
                                                 NUMBER OF       NUMBER OF       SHARES OF        PERCENT OF COMMON
                                                 SHARES OF       SHARES OF      COMMON STOCK      STOCK OUTSTANDING
                                                COMMON STOCK    COMMON STOCK    TO BE OWNED     ---------------------
             NAME AND ADDRESS OF                OWNED BEFORE     TO BE SOLD        AFTER         BEFORE       AFTER
               BENEFICIAL OWNER                   OFFERING      IN OFFERING       OFFERING      OFFERING     OFFERING
- ----------------------------------------------  ------------    ------------    ------------    --------     --------
<S>                                             <C>             <C>             <C>             <C>          <C>
Brown Brothers Harriman Trust Company of
  Texas, as trustee of trusts in the names of
  Betty Regard, Margaret Simmons and Suzanne
  Bartolucci..................................   2,021,136         510,000       1,511,136        24.5%        15.5%
David Norsworthy(1)...........................     250,752          98,000         152,752         3.0          1.6
Lamar Norsworthy(1)(2)........................     428,581         196,000         232,581         5.2          2.4
Nona Barrett(3)...............................     430,278         196,000         234,278         5.2          2.4
</TABLE>
    
 
- ---------------
 
   
(1) Does not include 567,420 shares which are beneficially owned by two trusts
    of which this Selling Stockholder is a co-trustee and beneficiary.
    
 
   
(2) Lamar Norsworthy is Chairman of the Board, President, Chief Executive
    Officer and a director of the Company.
    
 
   
(3) Does not include 567,420 shares beneficially owned by two trusts of which
    this Selling Stockholder is a beneficiary.
    
 
                                       32
<PAGE>   34
 
   
                          DESCRIPTION OF COMMON STOCK
    
 
   
     The following description of the Common Stock is qualified in its entirety
by reference to the portions of the Company's Restated Certificate of
Incorporation and Revised By-laws, which have been filed as exhibits to the
Registration Statement of which this Prospectus is a part.
    
 
   
     The Company is authorized to issue 20,000,000 shares of Common Stock, par
value of $0.01 per share. Except as expressly required by law or provided in the
Restated Certificate of Incorporation of the Company or the Revised By-laws of
the Company, each holder of Common Stock shall be entitled to one vote, in
person or by proxy, for each share of Common Stock recorded in the stock records
of the Company in such stockholder's name. No holder of the Common Stock shall
be entitled as of right to subscribe for, purchase or receive any part of any
new or additional shares of stock of any class, whether now or hereafter
authorized, or of bonds, debentures or other evidences of indebtedness
convertible into or exchangeable for stock, but all such new or additional
shares of stock of any class, or bonds, debentures or other evidences of
indebtedness convertible into or exchangeable for stock, may be issued and
disposed of by the Board of Directors on such terms and for such consideration,
so far as may be permitted by law, and to such person or persons as the Board of
Directors in its absolute discretion may deem advisable. The holders of the
Common Stock have such rights to receive dividends and to receive distributions
upon a dissolution or liquidation of the Company as are provided for under the
General Corporation Law of Delaware. In addition to the Common Stock, the
Company is authorized to issue up to 1,000,000 shares of preferred stock, par
value $1.00 per share (the "Preferred Stock"), having such designations as may
be fixed by the Board of Directors of the Company. The rights of the holders of
the Common Stock are subject to the terms of any Preferred Stock issued, and in
the event of a liquidation or dissolution of the Company, would be subordinate
to distributions made with respect to the liquidation preferences of holders of
Preferred Stock, if any shares of Preferred Stock were then outstanding.
    
 
                                  UNDERWRITING
 
     Subject to the terms and conditions set forth in the Purchase Agreement
(the "Purchase Agreement") among the Company, the Selling Stockholders and each
of the underwriters named below (the "Underwriters"), the Company and the
Selling Stockholders have agreed to sell to each of the Underwriters, and each
of the Underwriters, for whom Merrill Lynch, Pierce, Fenner & Smith Incorporated
and CS First Boston Corporation are acting as representatives (the
"Representatives"), has severally agreed to purchase from the Company and the
Selling Stockholders the number of shares of Common Stock set forth below
opposite their respective names. The Underwriters are committed to purchase all
of such shares if any are purchased. Under certain circumstances, the
commitments of nondefaulting Underwriters may be increased as set forth in the
Purchase Agreement.
 
<TABLE>
<CAPTION>
                                                                                NUMBER OF
                                          UNDERWRITERS                           SHARES
    --------------------------------------------------------------------------- ---------
    <S>                                                                         <C>
    Merrill Lynch, Pierce, Fenner & Smith
                 Incorporated..................................................
    CS First Boston Corporation................................................
 
                                                                                ---------
                 Total......................................................... 2,500,000
                                                                                =========
</TABLE>
 
     The Representatives have advised the Company and the Selling Stockholders
that the Underwriters propose to offer the shares of Common Stock to the public
initially at the public offering price set forth on the cover page of this
Prospectus, and to certain dealers at such price less a concession not in excess
of $          per share. The Underwriters may allow, and such dealers may
re-allow, a discount not in excess of $
 
                                       33
<PAGE>   35
 
per share on sales to certain other dealers. After the public offering, the
public offering price, concession and discount may be changed.
 
   
     The Selling Stockholders have granted the Underwriters an option,
exercisable by the Representatives, to purchase up to 375,000 additional shares
of Common Stock at the initial public offering price, less the underwriting
discount. Such option, which expires 30 days after the date of this Prospectus,
may be exercised solely to cover over-allotments. To the extent that the
Representatives exercise such options, each of the Underwriters will be
obligated, subject to certain conditions, to purchase approximately the same
percentage of the option shares that the number of shares of Common Stock to be
purchased initially by that Underwriter bears to the total number of shares to
be purchased initially by the Underwriters.
    
 
     The Company and the Selling Stockholders have agreed to indemnify the
Underwriters against certain liabilities, including liabilities under the
Securities Act, or to contribute to payments the Underwriters may be required to
make in respect thereof.
 
   
     Each of the Company, the Selling Stockholders and two trusts for the
benefit of certain of the Selling Stockholders has agreed that it will not,
without the prior written consent of the Representatives, directly or
indirectly, sell, offer to sell, grant any option for the sale of or otherwise
dispose of, any shares of Common Stock or any security convertible into or
exchangeable or exercisable for any such shares of Common Stock for a period of
180 days from the date of this Prospectus.
    
 
                                 LEGAL MATTERS
 
   
     Certain legal matters with respect to the Common Stock offered hereby will
be passed upon for the Company and the Selling Stockholders by Weil, Gotshal &
Manges (a partnership including professional corporations), Dallas, Texas.
Certain legal matters in connection with the sale of the Common Stock offered
hereby will be passed upon for the Underwriters by Baker & Botts L.L.P., Dallas,
Texas. W. John Glancy, a director of the Company, is a partner in Weil, Gotshal
& Manges and beneficially owns 200 shares of Common Stock. Baker & Botts, L.L.P.
from time to time provides legal services to the Company.
    
 
                                    EXPERTS
 
     The consolidated financial statements of Holly Corporation at July 31, 1994
and 1993, and for each of the three years in the period ended July 31, 1994,
appearing in this Prospectus and Registration Statement have been audited by
Ernst & Young LLP, independent auditors, as set forth in their report thereon
appearing elsewhere herein and in the Registration Statement, and are included
herein in reliance upon such report given upon the authority of such firm as
experts in accounting and auditing.
 
                                       34
<PAGE>   36
 
                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
 
   
<TABLE>
<CAPTION>
                                                                                        PAGE
                                                                                        -----
<S>                                                                                     <C>
Annual Financial Statements
  Report of Independent Auditors......................................................    F-2
  Consolidated Balance Sheet at July 31, 1994 and 1993................................    F-3
  Consolidated Statement of Income for the years ended July 31, 1994, 1993 and 1992...    F-4
  Consolidated Statement of Cash Flows for the years ended July 31, 1994, 1993 and
     1992.............................................................................    F-5
  Consolidated Statement of Stockholders' Equity for the years ended
     July 31, 1994, 1993 and 1992.....................................................    F-6
  Notes to Consolidated Financial Statements..........................................    F-7
Interim Financial Statements
  Condensed Consolidated Balance Sheet -- April 30, 1995 (Unaudited)..................   F-17
  Condensed Consolidated Statement of Income (Unaudited) for the nine months ended
     April 30, 1995 and 1994..........................................................   F-18
  Condensed Consolidated Statement of Cash Flows (Unaudited) for the nine months ended
     April 30, 1995 and 1994..........................................................   F-19
  Notes to Condensed Consolidated Financial Statements................................   F-20
</TABLE>
    
 
                                       F-1
<PAGE>   37
 
                          REPORT OF ERNST & YOUNG LLP
                              INDEPENDENT AUDITORS
 
The Board of Directors
and Stockholders of Holly Corporation
 
     We have audited the accompanying consolidated balance sheet of Holly
Corporation (the "Company") at July 31, 1994 and 1993, and the related
consolidated statements of income, cash flows and stockholders' equity for each
of the three years in the period ended July 31, 1994. These financial statements
are the responsibility of the Company's management. Our responsibility is to
express an opinion on these financial statements based on our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the consolidated financial position of
Holly Corporation at July 31, 1994 and 1993, and the consolidated results of its
operations and its cash flows for each of the three years in the period ended
July 31, 1994, in conformity with generally accepted accounting principles.
 
                                          ERNST & YOUNG LLP
 
Dallas, Texas
September 20, 1994
 
                                       F-2
<PAGE>   38
 
                               HOLLY CORPORATION
 
                           CONSOLIDATED BALANCE SHEET
 
<TABLE>
<CAPTION>
                                                                               JULY 31,
                                                                         ---------------------
                                                                           1994         1993
                                                                         --------     --------
                                                                           ($ IN THOUSANDS,
                                                                       EXCEPT PER SHARE AMOUNTS)
<S>                                                                      <C>          <C>
ASSETS
Current assets
  Cash and cash equivalents (Note 6)...................................  $  3,297     $  6,631
  Accounts receivable (Notes 3 and 6)..................................    94,280       76,867
  Inventories (Notes 4 and 6)..........................................    43,995       37,972
  Income taxes receivable..............................................       697           --
  Prepayments and other................................................     9,340        7,082
                                                                         --------     --------
     Total current assets..............................................   151,609      128,552
Properties, plants and equipment, net (Note 5).........................   128,962      118,821
Other assets...........................................................     1,243        2,434
                                                                         --------     --------
                                                                         $281,814     $249,807
                                                                         ========     ========
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities
  Accounts payable.....................................................  $112,084     $ 86,787
  Accrued liabilities..................................................    14,945       16,648
  Income taxes payable.................................................       736        7,364
  Current maturities of long-term debt (Note 6)........................     5,608        5,608
                                                                         --------     --------
     Total current liabilities.........................................   133,373      116,407
Deferred income taxes (Note 7).........................................    14,829       12,474
Long-term debt, less current maturities (Note 6).......................    68,840       74,448
Contingencies (Notes 10 and 12)
Stockholders' equity (Notes 6, 8 and 9)
  Preferred stock, $1.00 par value -- 1,000,000 shares authorized; none
     issued............................................................        --           --
  Common stock, $.01 par value -- 20,000,000 shares authorized;
     8,650,282 shares issued...........................................        87           87
  Additional capital...................................................     6,132        6,132
  Retained earnings....................................................    59,942       42,058
                                                                         --------     --------
                                                                           66,161       48,277
  Common stock held in treasury, at cost -- 396,768 shares.............      (569)        (569)
  Deferred charge -- amount due from ESOP..............................      (820)      (1,230)
                                                                         --------     --------
          Total stockholders' equity...................................    64,772       46,478
                                                                         --------     --------
                                                                         $281,814     $249,807
                                                                         ========     ========
</TABLE>
 
See accompanying notes.
 
                                       F-3
<PAGE>   39
 
                               HOLLY CORPORATION
 
                        CONSOLIDATED STATEMENT OF INCOME
 
<TABLE>
<CAPTION>
                                                                    YEARS ENDED JULY 31,
                                                             ----------------------------------
                                                               1994         1993         1992
                                                             --------     --------     --------
                                                        ($ IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                                          <C>          <C>          <C>
REVENUES
  Net sales................................................  $550,903     $629,884     $506,185
  Miscellaneous............................................     1,417          737          483
                                                             --------     --------     --------
                                                              552,320      630,621      506,668
COSTS AND EXPENSES
  Cost of sales............................................   480,916      565,638      474,151
  General and administrative...............................    12,369       11,951        9,263
  Depreciation, depletion and amortization.................    10,871       11,344       10,085
  Exploration expenses, including dry holes................     4,441        2,867        2,005
  Miscellaneous............................................       183          150          148
                                                             --------     --------     --------
                                                              508,780      591,950      495,652
                                                             --------     --------     --------
Income from operations.....................................    43,540       38,671       11,016
OTHER INCOME (EXPENSE)
  Interest income..........................................       447          169          432
  Interest expense (Note 6)................................    (8,985)      (9,523)     (10,086)
  Other (Note 11)..........................................        --        4,000         (700)
                                                             --------     --------     --------
                                                               (8,538)      (5,354)     (10,354)
                                                             --------     --------     --------
Income before income taxes and cumulative effect of change
  in accounting for income taxes...........................    35,002       33,317          662
Income tax provision (benefit) (Notes 2, 7 and 10)
  Current..................................................    11,785       12,647         (966)
  Deferred.................................................     2,500          737       (1,131)
                                                             --------     --------     --------
                                                               14,285       13,384       (2,097)
                                                             --------     --------     --------
Income before cumulative effect of change in
  accounting principle.....................................    20,717       19,933        2,759
Cumulative effect to August 1, 1992 of change in
  accounting for income taxes (Note 2).....................        --         (958)          --
                                                             --------     --------     --------
Net income.................................................  $ 20,717     $ 18,975     $  2,759
                                                             ========     ========     ========
Income per common share
  Income before cumulative effect of change in
     accounting principle..................................  $   2.51     $   2.42     $    .33
  Cumulative effect to August 1, 1992 of change in
     accounting for income taxes...........................        --         (.12)          --
                                                             --------     --------     --------
  Net income...............................................  $   2.51     $   2.30     $    .33
                                                             ========     ========     ========
Cash dividends paid per share..............................  $    .35     $    .30     $    .45
                                                             ========     ========     ========
Average number of shares of common stock outstanding
  (in thousands)...........................................     8,254        8,254        8,254
                                                             ========     ========     ========
</TABLE>
 
See accompanying notes.
 
                                       F-4
<PAGE>   40
 
                               HOLLY CORPORATION
 
                      CONSOLIDATED STATEMENT OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                                    YEARS ENDED JULY 31,
                                                             ----------------------------------
                                                               1994         1993         1992
                                                             --------     --------     --------
                                                                      ($ IN THOUSANDS)
<S>                                                          <C>          <C>          <C>
CASH FLOWS FROM OPERATING ACTIVITIES
  Net income...............................................  $ 20,717     $ 18,975     $  2,759
  Adjustments to reconcile net income to net cash
     provided by operating activities
     Depreciation, depletion and amortization..............    10,871       11,344       10,085
     Deferred income taxes.................................     2,500          737       (1,131)
     Dry hole costs and leasehold impairment...............     1,509        1,175          369
     Cumulative effect to August 1, 1992 of change in
       accounting for income taxes.........................        --          958           --
     Changes in operating assets and liabilities
       (Increase) decrease in accounts receivable..........   (17,413)      12,222      (27,388)
       Increase in inventories.............................    (6,023)      (2,365)      (5,984)
       (Increase) decrease in income taxes receivable......      (697)       2,115       (1,876)
       Increase in prepayments and other...................    (2,403)        (197)      (1,581)
       (Increase) decrease in accounts payable.............    25,297      (19,964)      26,005
       (Increase) decrease in accrued liabilities..........    (1,703)       6,419          858
       (Increase) decrease in income taxes payable.........    (6,572)       7,427       (1,970)
     Other, net............................................     1,601         (109)         815
                                                             --------     --------     --------
          Net cash provided by operating activities........    27,684       38,737          961
CASH FLOWS FROM FINANCING ACTIVITIES
     Increase (decrease) in notes payable..................        --      (10,500)      10,500
     Reduction of long-term debt...........................    (5,608)        (108)        (474)
     Issuance costs of debt................................        --         (291)          --
     Cash dividends........................................    (2,889)      (2,476)      (3,714)
                                                             --------     --------     --------
          Net cash provided by (used for) financing
            activities.....................................    (8,497)     (13,375)       6,312
CASH FLOWS FROM INVESTING ACTIVITIES
     Additions to properties, plants and equipment.........   (22,521)     (20,120)     (22,317)
     Additional cost of partnership........................        --           --         (739)
                                                             --------     --------     --------
          Net cash used for investing activities...........   (22,521)     (20,120)     (23,056)
                                                             --------     --------     --------
CASH AND CASH EQUIVALENTS
     (Increase) decrease for the year......................    (3,334)       5,242      (15,783)
     Beginning of year.....................................     6,631        1,389       17,172
                                                             --------     --------     --------
     End of year...........................................  $  3,297     $  6,631     $  1,389
                                                             ========     ========     ========
</TABLE>
 
See accompanying notes.
 
                                       F-5
<PAGE>   41
 
                               HOLLY CORPORATION
 
                 CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY
 
<TABLE>
<CAPTION>
                                                                           AMOUNT
                                                                             DUE         TOTAL
                              COMMON   ADDITIONAL   RETAINED   TREASURY     FROM      STOCKHOLDERS'
                              STOCK     CAPITAL     EARNINGS    STOCK       ESOP         EQUITY
                              ------   ----------   --------   --------   ---------   ------------
                                                        ($ IN THOUSANDS)
<S>                           <C>      <C>          <C>        <C>        <C>         <C>
BALANCE AT JULY 31, 1991....   $ 87      $6,132     $26,212     $ (569)    $(2,051)     $ 29,811
Net income..................     --          --       2,759         --          --         2,759
Dividends paid..............     --          --      (3,714)        --          --        (3,714)
Reduction in amount due from
  ESOP......................     --          --          --         --         410           410
Tax benefit of dividends
  paid to ESOP..............     --          --         239         --          --           239
                              -----    --------     -------    -------    --------    ----------
BALANCE AT JULY 31, 1992....     87       6,132      25,496       (569)     (1,641)       29,505
Net income..................     --          --      18,975         --          --        18,975
Dividends paid..............     --          --      (2,476)        --          --        (2,476)
Reduction in amount due from
  ESOP......................     --          --          --         --         411           411
Tax benefit of dividends
  paid to ESOP on
  unallocated shares........     --          --          63         --          --            63
                              -----    --------     -------    -------    --------    ----------
BALANCE AT JULY 31, 1993....     87       6,132      42,058       (569)     (1,230)       46,478
Net income..................     --          --      20,717         --          --        20,717
Dividends paid..............     --          --      (2,889)        --          --        (2,889)
Reduction in amount due from
  ESOP......................     --          --          --         --         410           410
Tax benefit of dividends
  paid to ESOP on
  unallocated shares........     --          --          56         --          --            56
                              -----    --------     -------    -------    --------    ----------
BALANCE AT JULY 31, 1994....   $ 87      $6,132     $59,942     $ (569)    $  (820)     $ 64,772
                              =====    ========     =======    =======    ========    ==========
</TABLE>
 
See accompanying notes.
 
                                       F-6
<PAGE>   42
 
                               HOLLY CORPORATION
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                          JULY 31, 1994, 1993 AND 1992
 
1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
PRINCIPLES OF CONSOLIDATION
 
     The Company is principally engaged in the refining of petroleum products.
Although the Company is also engaged in certain oil and gas exploration and
production activities, such activities do not represent a significant segment of
the Company's assets or operations.
 
     The consolidated financial statements include the accounts of the Company,
its subsidiaries and Montana Refining Company, a Partnership (MRC).
 
CASH EQUIVALENTS
 
     For purposes of the statement of cash flows, the Company considers all
highly liquid investments with a maturity of three months or less at the time of
purchase to be cash equivalents.
 
INVENTORIES
 
     Inventories are stated at the lower of cost, using the last-in, first-out
(LIFO) method for crude oil and refined products and the average cost method for
materials and supplies, or market.
 
REVENUE RECOGNITION
 
     Sales and related cost of sales are recognized when products are shipped to
customers and title passes. Sales are reported exclusive of excise taxes.
 
DEPRECIATION
 
     Depreciation is provided by the straight-line method over the estimated
useful lives of the assets, primarily 10 to 30 years for refining and pipeline
facilities and 3 to 10 years for corporate and other assets.
 
OIL AND GAS EXPLORATION AND DEVELOPMENT
 
     The Company accounts for the acquisition, exploration, development and
production costs of its oil and gas activities using the successful efforts
method of accounting. Lease acquisition costs are capitalized; undeveloped
leases are written down when determined to be impaired and written off upon
expiration or surrender. Geological and geophysical costs and delay rentals are
expensed as incurred. Exploratory well costs are initially capitalized, but if
the effort is unsuccessful, the costs are charged against earnings. Development
costs, whether or not successful, are capitalized. Productive properties are
stated at the lower of amortized cost or estimated realizable value of
underlying proved oil and gas reserves. Depreciation, depletion and amortization
of such properties is computed by the unit-of-production method.
 
EARNINGS PER SHARE
 
     Earnings per share amounts are based upon the weighted average number of
common shares outstanding during each period.
 
FUTURES CONTRACTS
 
     The Company enters into futures contracts to hedge a portion of the price
risk associated with crude oil and refined products. Gains or losses on
contracts are recognized when the related inventory is sold or the hedged
transaction is consummated.
 
                                       F-7
<PAGE>   43
 
                               HOLLY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
                          JULY 31, 1994, 1993 AND 1992
 
2. ACCOUNTING CHANGE
 
     Effective August 1, 1992, the Company adopted Statement of Financial
Accounting Standards (SFAS) No. 109, "Accounting for Income Taxes", which amends
the accounting for income taxes from the deferral method to the liability
method. Under the liability method, deferred taxes are stated at the income tax
rates currently in effect or scheduled to be implemented rather than at the tax
rate in effect when the taxes were provided. The cumulative effect of this
accounting change through the 1992 fiscal year was a $958,000 increase in the
Company's deferred tax liability at August 1, 1992. This additional income tax
expense was reflected as a reduction of $958,000 in net income in the first
quarter of the 1993 fiscal year or $.12 per share. Excluding the provision for
the cumulative effect upon adoption of the new standard, the effect of the
change on net income was not material.
 
3. ACCOUNTS RECEIVABLE
 
<TABLE>
<CAPTION>
                                                                        1994        1993
                                                                       -------     -------
                                                                        ($ IN THOUSANDS)
    <S>                                                                <C>         <C>
    Product..........................................................  $45,259     $40,412
    Crude oil resales................................................   49,021      36,455
                                                                       -------     -------
                                                                       $94,280     $76,867
                                                                       =======     =======
</TABLE>
 
     Crude oil resales accounts receivable principally represent the sell side
of reciprocal crude oil buy/sell exchange arrangements involved in supplying
crude oil to the refineries, with an approximate like amount reflected in
accounts payable. The net differential of these crude oil buy/sell exchanges is
reflected in cost of sales. The exchange differentials result principally from
crude oil type and location differences.
 
     Credit losses are provided for in the financial statements and consistently
have been minimal.
 
4. INVENTORIES
 
<TABLE>
<CAPTION>
                                                                        1994        1993
                                                                       -------     -------
                                                                        ($ IN THOUSANDS)
    <S>                                                                <C>         <C>
    Crude oil and refined products...................................  $37,949     $32,625
    Materials and supplies...........................................    6,046       5,347
                                                                       -------     -------
                                                                       $43,995     $37,972
                                                                       =======     =======
</TABLE>
 
     The excess of current costs over the LIFO value of inventory was
$12,228,000 and $5,990,000 at July 31, 1994 and 1993, respectively.
 
5. PROPERTIES, PLANTS AND EQUIPMENT
 
<TABLE>
<CAPTION>
                                                                       1994         1993
                                                                     --------     --------
                                                                       ($ IN THOUSANDS)
    <S>                                                              <C>          <C>
    Properties, plants and equipment, at cost
      Refining and pipeline facilities.............................  $224,540     $207,935
      Oil and gas exploration and development......................    10,607        6,651
      Corporate and other..........................................     1,038        1,017
                                                                     --------     --------
                                                                      236,185      215,603
    Accumulated depreciation, depletion and amortization...........   107,223       96,782
                                                                     --------     --------
                                                                     $128,962     $118,821
                                                                     ========     ========
</TABLE>
 
                                       F-8
<PAGE>   44
 
                               HOLLY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
                          JULY 31, 1994, 1993 AND 1992
 
     Refining and pipeline facilities at July 31, 1994 and 1993 include
$4,452,000 and $12,002,000, respectively, of construction in progress which was
not being depreciated at those dates, pending completion of the construction
projects.
 
6. DEBT
 
<TABLE>
<CAPTION>
                                                                        1994        1993
                                                                       -------     -------
                                                                        ($ IN THOUSANDS)
    <S>                                                                <C>         <C>
    Senior Notes.....................................................  $74,400     $80,000
    Other............................................................       48          56
                                                                       -------     -------
                                                                        74,448      80,056
    Less current maturities of long-term debt........................    5,608       5,608
                                                                       -------     -------
                                                                       $68,840     $74,448
                                                                       =======     =======
</TABLE>
 
SENIOR NOTES
 
     In June 1991, the Company sold $80 million of Senior Notes to a group of
insurance companies. The Senior Notes were issued in two Series and are
unsecured. The Series A Notes are in the principal amount of $28 million, have a
7-year life, require equal annual principal payments of $5,600,000 beginning
June 15, 1994 and bear interest at 9.72%. The Series B Notes are in the
principal amount of $52 million, have a 10-year life, require equal annual
principal payments of $8,667,000 beginning June 15, 1996 and bear interest at
10.16%. The note agreement imposes certain restrictive covenants, including
limitations on liens, additional indebtedness, sale of assets, investments,
business combinations and dividends, which limitations collectively are less
restrictive than the terms of the bank Credit Agreement.
 
CREDIT AGREEMENT
 
     In July 1993, the Company and certain of its subsidiaries entered into a
new two-year bank Credit Agreement (Credit Agreement), which provides a $100
million facility for letters of credit or for direct borrowings of up to $25
million, with such borrowings being subject to an annual 20-day cleanup period.
Interest on borrowings is based upon, at the Company's option, (i) the agent
bank's prime rate plus  1/2% per annum; (ii) various Eurodollar related rates;
and (iii) various certificate of deposit related rates. A fee of 1% per annum is
payable quarterly on the outstanding balance of all letters of credit, and a
commitment fee of 3/8 of 1% per annum is payable on the unused portion of the
facility. The borrowing base for the facility consists of cash, cash
equivalents, accounts receivable and inventory, all of which secure the
facility. The Credit Agreement imposes certain restrictions, including: (i) a
prohibition of other indebtedness in excess of $3 million with exceptions for,
among other things, indebtedness under the Company's Senior Notes and certain
nonrecourse debt; (ii) maintenance of certain levels of net worth, working
capital and interest coverage; (iii) limitations on investments and dividends;
and (iv) a prohibition of incursions on controlling ownership, material changes
in senior management and business combinations with unaffiliated entities.
 
     At July 31, 1994, the Company had outstanding letters of credit totalling
$51,376,000 and no borrowings. The unused commitment under the Credit Agreement
at July 31, 1994 was $48,624,000, of which up to $25,000,000 may be used for
additional direct borrowings.
 
                                       F-9
<PAGE>   45
 
                               HOLLY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
                          JULY 31, 1994, 1993 AND 1992
 
     The average and maximum amounts outstanding and the effective average
interest rate for borrowings under the Company's current and prior credit
agreements were as follows:
 
<TABLE>
<CAPTION>
                                                              1994        1993        1992
                                                             -------    --------    --------
                                                                    ($ IN THOUSANDS)
    <S>                                                      <C>        <C>         <C>
    Average amount outstanding.............................  $    39    $  3,565    $  7,558
    Maximum balance........................................  $ 1,900    $ 22,330    $ 23,100
    Effective average interest rate........................     6.6%        6.6%        7.7%
</TABLE>
 
     The Senior Notes and Credit Agreement restrict investments and
distributions, including dividends, to an amount in the aggregate not to exceed
75% of cumulative consolidated net income (as defined). Under the most
restrictive of these covenants, at July 31, 1994 approximately $20.7 million was
available for the payment of dividends.
 
     Maturities of long-term debt for the next five fiscal years are as follows:
1995 -- $5,608,000; 1996 -- $14,275,000; 1997 -- $14,275,000;
1998 -- $14,275,000 and 1999 -- $8,675,000.
 
     The Company made interest payments of $8,744,000 in 1994, $9,058,000 in
1993 and $9,361,000 in 1992.
 
     Based on the borrowing rates that the Company believes would be available
for replacement loans with similar terms and maturities of the debt of the
Company now outstanding, the fair value of long-term debt including current
maturities would be $79.3 million at July 31, 1994.
 
7. INCOME TAXES
 
     Effective August 1, 1992, the Company adopted SFAS No. 109 to account for
income taxes (see Note 2).
 
     The statutory federal income tax rate applied to pre-tax book income
reconciles to income tax expense as follows:
 
<TABLE>
<CAPTION>
                                                             1994        1993        1992
                                                            -------     -------     -------
                                                                   ($ IN THOUSANDS)
    <S>                                                     <C>         <C>         <C>
    Tax computed at statutory rate........................  $12,251     $11,521(1)  $   225
    State income taxes, net of federal tax benefit........    1,888       1,744          35
    Adjustment of deferred tax provision relating to MRC
      (see Note 10).......................................       --          --      (2,579)
    Other.................................................      146         119         222
                                                            -------     -------     -------
                                                            $14,285     $13,384     $(2,097)
                                                            =======     =======     =======
</TABLE>
 
(1) Blended rate, as federal income tax rate changed effective January 1, 1993.
 
     Additionally, tax benefit of $56,000, $63,000 and $239,000 for dividends
paid in fiscal 1994, 1993 and 1992, respectively, to the Company's Employee
Stock Ownership Plan was directly credited to retained earnings.
 
     Operations of the corporation that was the sole limited partner of MRC
prior to the acquisition of such corporation by the Company (See Note 10)
resulted in unused net operating loss carryforwards of approximately $7,000,000,
which are expected to be available to the Company to a limited extent each year
through 2006 based on the income of such corporation. As of July 31, 1994,
approximately $6,000,000 of these net operating loss carryforwards remain
available to offset future income. For financial reporting purposes, any benefit
of these net operating loss carryforwards is being offset against any contingent
future payments relating to the acquisition of such corporation.
 
                                      F-10
<PAGE>   46
 
                               HOLLY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
                          JULY 31, 1994, 1993 AND 1992
 
     Deferred income taxes reflect the net tax effects of temporary differences
between the carrying amounts of assets and liabilities for financial reporting
purposes and the amount used for income tax purposes.
 
     The Company's deferred income tax assets and liabilities as of July 31,
1994 and 1993 are as follows:
 
<TABLE>
<CAPTION>
                                                                              1994
                                                               -----------------------------------
                                                               ASSETS     LIABILITIES      TOTAL
                                                               ------     -----------     --------
                                                                        ($ IN THOUSANDS)
<S>                                                            <C>        <C>             <C>
Deferred taxes
  Nondeductible employee benefits............................  $1,376     $        --     $  1,376
  Provision for future maintenance...........................   1,353              --        1,353
  Prepayments and other......................................   1,339          (1,747)        (408)
                                                               ------     -----------     --------
Total current................................................   4,068          (1,747)       2,321
  Properties, plants and equipment (primarily tax in excess
     of book depreciation)...................................      --         (16,038)     (16,038)
  Intangible drilling costs..................................      --            (704)        (704)
  Nondeductible oil and gas costs............................   1,813              --        1,813
  Other......................................................     152             (52)         100
                                                               ------     -----------     --------
Total noncurrent.............................................   1,965         (16,794)     (14,829)
                                                               ------     -----------     --------
                                                                6,033         (18,541)     (12,508)
Valuation allowance..........................................      --              --           --
                                                               ------     -----------     --------
Total........................................................  $6,033     $   (18,541)    $(12,508)
                                                               ======     ===========     ========
</TABLE>
 
<TABLE>
<CAPTION>
                                                                              1993
                                                               -----------------------------------
                                                               ASSETS     LIABILITIES      TOTAL
                                                               ------     -----------     --------
                                                                        ($ IN THOUSANDS)
<S>                                                            <C>        <C>             <C>
Deferred taxes
  Nondeductible employee benefits............................  $1,107     $        --     $  1,107
  Provision for future maintenance...........................   2,477              --        2,477
  Prepayments and other......................................     521          (1,639)      (1,118)
                                                               ------     -----------     --------
Total current................................................   4,105          (1,639)       2,466
  Properties, plants and equipment (primarily tax in excess
     of book depreciation)...................................      --         (13,423)     (13,423)
  Intangible drilling costs..................................      --            (375)        (375)
  Nondeductible oil and gas costs............................   1,173              --        1,173
  Other......................................................     151              --          151
                                                               ------     -----------     --------
Total noncurrent.............................................   1,324         (13,798)     (12,474)
                                                               ------     -----------     --------
                                                                5,429         (15,437)     (10,008)
Valuation allowance..........................................      --              --           --
                                                               ------     -----------     --------
Total........................................................  $5,429     $   (15,437)    $(10,008)
                                                               ======     ===========     ========
</TABLE>
 
                                      F-11
<PAGE>   47
 
                               HOLLY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
                          JULY 31, 1994, 1993 AND 1992
 
     The deferred income tax benefits for the 1992 fiscal year (prior to the
adoption of SFAS No. 109) are as follows:
 
<TABLE>
<CAPTION>
                                                                                  1992
                                                                            ----------------
                                                                            ($ IN THOUSANDS)
    <S>                                                                     <C>
    Excess tax (book) depreciation........................................      $  1,361
    Provision for future maintenance......................................          (423)
    Adjustment of prior years' deferred tax provision relating to
      MRC (see Note 10)...................................................        (1,483)
    Other.................................................................          (586)
                                                                            ------------
                                                                                $ (1,131)
                                                                            ============
</TABLE>
 
     The Company made income tax payments of $18,893,000 in 1994, $5,138,000 in
1993 and $2,503,000 in 1992.
 
     The Company's federal income tax returns have been examined by the Internal
Revenue Service through 1990.
 
8. STOCKHOLDERS' EQUITY
 
STOCK OPTIONS
 
     At July 1, 1994 and 1993, no stock options were outstanding and 751,500
shares of common stock were reserved for issuance under the Company's stock
option plan.
 
9. EMPLOYEE BENEFIT PLANS
 
PENSION PLANS
 
     The Company has non-contributory defined benefit retirement plans that
cover substantially all employees. The Company's policy is to make contributions
annually of not less than the minimum funding requirements of the Employee
Retirement Income Security Act of 1974. Benefits are based on the employee's
years of service and compensation.
 
     Pension expense includes the following components:
 
<TABLE>
<CAPTION>
                                                             1994        1993        1992
                                                            -------     -------     -------
                                                                   ($ IN THOUSANDS)
    <S>                                                     <C>         <C>         <C>
    Service cost -- benefits earned during the year.......  $ 1,014     $ 1,124     $   908
    Interest cost on projected benefit obligations........    1,603       1,711       1,557
    Actual return on plan assets..........................     (841)     (1,802)     (2,110)
    Net amortization and deferral.........................   (1,252)       (379)         35
                                                            -------     -------     -------
    Pension expense.......................................  $   524     $   654     $   390
                                                            =======     =======     =======
</TABLE>
 
                                      F-12
<PAGE>   48
 
                               HOLLY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
                          JULY 31, 1994, 1993 AND 1992
 
     The following table sets forth the funded status of the plans and amounts
recognized in the consolidated balance sheet:
 
<TABLE>
<CAPTION>
                                                                        1994        1993
                                                                       -------     -------
                                                                        ($ IN THOUSANDS)
    <S>                                                                <C>         <C>
    Plan assets at fair value........................................  $23,256     $23,478
    Actuarial present value of projected benefit obligations:
      Accumulated benefit obligations:
         Vested......................................................   17,733      17,034
         Unvested....................................................      222         303
      Provision for future salary increases..........................    6,171       6,289
                                                                       -------     -------
    Projected benefit obligations....................................   24,126      23,626
                                                                       -------     -------
    Plan assets less than projected benefit obligations..............     (870)       (148)
    Unrecognized net loss............................................      248         227
    Unrecognized prior service cost..................................      108         144
    Unrecognized transition net asset................................   (1,435)     (1,648)
                                                                       -------     -------
    Accrued pension liability recognized in the consolidated balance
      sheet..........................................................  $(1,949)    $(1,425)
                                                                       =======     =======
</TABLE>
 
     The principal actuarial assumptions were:
 
<TABLE>
<CAPTION>
                                                                    1994     1993     1992
                                                                    ----     ----     ----
    <S>                                                             <C>      <C>      <C>
    Discount rate.................................................  7.5%     7.5%     7.5%
    Rate of future compensation increases.........................    5%       5%       6%
    Expected long-term rate of return on assets...................  8.5%     8.5%       9%
</TABLE>
 
     Pension costs are determined using the assumptions as of the beginning of
the year. The funded status is determined using the assumptions as of the end of
the year.
 
     Approximately 52% of plan assets is invested in equity securities and 48%
is invested in fixed income securities and other instruments at July 31, 1994.
 
EMPLOYEE STOCK OWNERSHIP PLAN
 
     In December 1985, the Company established an Employee Stock Ownership Plan
(ESOP). The ESOP is non-contributory and includes substantially all employees of
the Company and its subsidiaries who meet certain length of service requirements
and are not covered by a collective bargaining agreement.
 
     In 1985, the ESOP borrowed from the Company the $4,102,000 needed to
purchase 1,500,000 shares of the Company's common stock. The loan is repayable
in ten annual installments of $410,000 (subject to certain adjustments)
commencing August 1, 1986 and bears interest at 12% per annum. The Company is
obligated to make annual contributions sufficient to enable the ESOP to repay
the loan with interest. The unearned compensation of $4,102,000 was recorded as
a reduction of stockholders' equity and is being reduced as payments are made.
Interest income earned on the note due from the ESOP is offset against an equal
amount contributed to the ESOP by the Company.
 
10. MONTANA REFINING COMPANY, A PARTNERSHIP
 
     The Company acquired on July 31, 1992, the corporation that was the limited
partner in MRC in connection with a settlement of litigation. The acquisition
involved among other items contingent future payments of up to $189,000 per year
over the period 1993 through 2005.
 
                                      F-13
<PAGE>   49
 
                               HOLLY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
                          JULY 31, 1994, 1993 AND 1992
 
     As a consequence of the acquisition of the limited partner in MRC, certain
deferred taxes have been eliminated, resulting in a decrease for fiscal 1992 of
$2,579,000 in the provision for income taxes, of which $1,483,000 relates to
income taxes provided in prior years.
 
11. OTHER INCOME (EXPENSE)
 
     The amounts in other income (expense) relate principally to settlements.
The 1993 fiscal year included income of $4,000,000 relating to a settlement with
a common carrier pipeline concerning product pipeline distribution constraints.
The 1992 fiscal year included a charge of $700,000 relating to a settlement of a
lawsuit with the limited partner of MRC (see Note 10).
 
12. CONTINGENCIES
 
     In July 1993, the United States Department of Justice, acting on behalf of
the United States Environmental Protection Agency (EPA), filed a complaint in
the United States District Court for the District of New Mexico alleging that
the Company's subsidiary, Navajo Refining Company, beginning in September 1990
and continuing until the present, had violated and continues to violate the
Resource Conservation and Recovery Act (RCRA) and implementing regulations of
the EPA by treating, storing and disposing of certain hazardous wastes without
compliance with regulatory requirements. The complaint seeks a court order
directing Navajo to comply with these regulatory standards and civil penalties
for the alleged non-compliance.
 
     Navajo has answered the complaint, denying all the allegations of legal
liability and asserting affirmative defenses. Only limited discovery has been
conducted. The Company and Navajo have been contesting the Government's case as
necessary and appropriate, while contemporaneously exploring the prospects for
negotiated settlement.
 
     In this regard, a tentative resolution of a substantial portion of the
litigation has been reached. Under this approach, the Company would close the
existing evaporation ponds of its wastewater management system, at an
approximate cost of $1 to $2 million, to be expended over a several year period.
A reserve of $2 million was recorded in fiscal 1993, principally to provide for
the cost of closing existing ponds. In such event, the Company would implement
one of several alternatives to the existing wastewater treatment system.
Depending upon which approach is utilized, the Company could incur capitalizable
costs of an additional $5 to $10 million over the next several years.
 
     Assuming the Company consummates the settlement discussed above, the
remaining aspect of the litigation would be the civil penalty which the
Government seeks. While the amount of any such civil penalty cannot presently be
ascertained, based upon the advice of counsel, it is not believed that any such
penalty would have a materially adverse impact on the Company's financial
position.
 
     The Company is a party to various other litigation and proceedings which it
believes, based on advice of counsel, will not have a materially adverse impact
on its financial condition of operations.
 
13. SIGNIFICANT CUSTOMERS
 
     Virtually all revenues were domestic revenues (including domestic sales for
export to Mexico). Approximately $67,000,000 (12%) of the Company's revenues for
fiscal 1994, $65,000,000 (10%) of revenues for fiscal 1993 and $67,000,000 (13%)
for fiscal 1992 were from the sale of military jet fuel to the United States
Government. Approximately $58,000,000 (11%) of the Company's revenues for fiscal
1994 were from the sale of gasoline to an affiliate of PEMEX (the
government-owned energy company of Mexico). In addition to the United States
Government and PEMEX, another refiner, which is a purchaser of gasoline and
diesel for resale to retail customers, accounted for approximately $75,000,000
(12%) of the Company's
 
                                      F-14
<PAGE>   50
 
                               HOLLY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
                          JULY 31, 1994, 1993 AND 1992
 
revenues in fiscal 1993 and $96,000,000 (19%) in fiscal 1992. While a loss of,
or reduction in amounts purchased by, major purchasers that resell to retail
customers could have an adverse effect on the Company, the Company believes that
the impact of such a loss on the Company's results of operations should be
limited because the Company's sales volume with respect to products whose
end-users are retail customers is more dependent on the general retail demand in
the Company's primary markets than on sales to any specific customer.
 
14. QUARTERLY INFORMATION (UNAUDITED)
 
FINANCIAL DATA
 
<TABLE>
<CAPTION>
                                               FIRST      SECOND     THIRD      FOURTH
                                              QUARTER    QUARTER    QUARTER    QUARTER       YEAR
                                              --------   --------   --------   --------    --------
                                                   ($ IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                           <C>        <C>        <C>        <C>         <C>
1994
  Revenues                                    $135,518   $120,689   $143,934   $152,179    $552,320
  Operating margin (net sales less cost of
     sales).................................  $ 22,570   $ 15,790   $ 23,420   $  8,207    $ 69,987
  Income (loss) before income taxes.........  $ 13,835   $  7,134   $ 14,635   $   (602)   $ 35,002
  Net income (loss).........................  $  8,273   $  4,266   $  8,730   $   (552)   $ 20,717
  Income (loss) per common share............  $   1.00   $    .52   $   1.06   $   (.07)   $   2.51
  Dividends per share.......................  $   .075   $   .075   $    .10   $    .10    $    .35
  Average number of shares of common stock
     outstanding (in thousands).............     8,254      8,254      8,254      8,254       8,254
 
1993
  Revenues..................................  $151,910   $149,871   $161,695   $167,145    $630,621
  Operating margin (net sales less cost of
     sales).................................  $ 12,296   $ 11,683   $ 16,783   $ 23,484    $ 64,246
  Income before income taxes and cumulative
     effect of change in accounting for
     income taxes...........................  $  4,209   $  2,830   $  7,729   $ 18,549    $ 33,317
  Income before cumulative effect of change
     in accounting principle................  $  2,556   $  2,052   $  4,693   $ 10,632    $ 19,933
  Cumulative effect to August 1, 1992 of
     change in accounting for income
     taxes..................................      (958)        --         --         --        (958)
                                              --------   --------   --------   --------    --------
     Net income.............................  $  1,598   $  2,052   $  4,693   $ 10,632(1) $ 18,975
                                              ========   ========   ========   ========    ========
 
  Income per common share
     Income before cumulative effect of
       change in accounting principle.......  $    .31   $    .25   $    .57   $   1.29    $   2.42
     Cumulative effect to August 1, 1992 of
       change in accounting for income
       taxes................................      (.12)        --         --         --        (.12)
                                              --------   --------   --------   --------    --------
     Net income.............................  $    .19   $    .25   $    .57   $   1.29    $   2.30
                                              ========   ========   ========   ========    ========
  Dividends per share.......................  $   .075   $   .075   $   .075   $   .075    $    .30
  Average number of shares of common stock
     outstanding (in thousands).............     8,254      8,254      8,254      8,254       8,254
</TABLE>
 
(1) Includes pre-tax income of $4 million relating to a settlement and a pre-tax
    reserve of $2 million relating to EPA litigation (see Notes 11 and 12).
 
                                      F-15
<PAGE>   51
 
                               HOLLY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
                          JULY 31, 1994, 1993 AND 1992
 
   OPERATING DATA
 
<TABLE>
<CAPTION>
                                            FIRST      SECOND       THIRD      FOURTH
                                           QUARTER     QUARTER     QUARTER     QUARTER      YEAR
                                           -------     -------     -------     -------     -------
                                                              (BARRELS PER DAY)
<S>                                        <C>         <C>         <C>         <C>         <C>
1994
  Sales of refined products..............   58,500      62,300      73,100      69,600      65,800
  Refinery production....................   54,100      66,000      69,900      67,500      64,300
1993
  Sales of refined products..............   63,400      66,100      70,700      70,900      67,800
  Refinery production....................   60,600      69,000      66,500      65,200      65,300
</TABLE>
 
                                      F-16
<PAGE>   52
 
                               HOLLY CORPORATION
 
                      CONDENSED CONSOLIDATED BALANCE SHEET
                   ($ IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
   
<TABLE>
<CAPTION>
                                                                                    UNAUDITED
                                                                                    APRIL 30,
                                                                                       1995
                                                                                    ----------
<S>                                                                                 <C>
ASSETS
Current assets
  Cash and cash equivalents.......................................................   $  16,940
  Accounts receivable: Trade......................................................      39,742
                       Crude oil..................................................      46,386
                                                                                    ----------
                                                                                        86,128
  Inventories: Crude oil and refined products.....................................      33,631
               Materials and supplies.............................................       6,349
                                                                                    ----------
                                                                                        39,980
  Income taxes receivable.........................................................       3,822
  Prepayments and other...........................................................       9,435
                                                                                    ----------
          Total current assets....................................................     156,305
Properties, plants and equipment, at cost.........................................     245,713
Less accumulated depreciation, depletion and amortization.........................     115,778
                                                                                    ----------
                                                                                       129,935
Other assets......................................................................       4,193
                                                                                    ----------
                                                                                     $ 290,433
                                                                                    ==========
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities
  Accounts payable................................................................   $ 106,935
  Accrued liabilities.............................................................      14,763
  Income taxes payable............................................................         625
  Current maturities of long-term debt............................................       5,608
                                                                                    ----------
          Total current liabilities...............................................     127,931
Deferred income taxes.............................................................      17,371
Long-term debt, less current maturities...........................................      68,832
Contingencies
Stockholders' equity
  Preferred stock, $1.00 par value -- 1,000,000 shares authorized;
     none issued..................................................................          --
  Common stock, $.01 par value -- 20,000,000 shares authorized;
     8,650,282 shares issued......................................................          87
  Additional capital..............................................................       6,132
  Retained earnings...............................................................      71,059
                                                                                    ----------
                                                                                        77,278
  Common stock held in treasury, at cost -- 396,768 shares........................        (569)
  Deferred charge -- amount due from ESOP.........................................        (410)
                                                                                    ----------
          Total stockholders' equity..............................................      76,299
                                                                                    ----------
                                                                                     $ 290,433
                                                                                    ==========
</TABLE>
    
 
See accompanying notes to Condensed Consolidated Financial Statements.
 
                                      F-17
<PAGE>   53
 
                               HOLLY CORPORATION
 
                   CONDENSED CONSOLIDATED STATEMENT OF INCOME
 
   
<TABLE>
<CAPTION>
                                                                               UNAUDITED
                                                                           NINE MONTHS ENDED
                                                                               APRIL 30,
                                                                         ---------------------
                                                                           1995         1994
                                                                         --------     --------
                                                                            ($ IN THOUSANDS
                                                                           EXCEPT PER SHARE
                                                                               AMOUNTS)
<S>                                                                      <C>          <C>
Revenues:
  Net sales............................................................  $453,786     $399,701
  Miscellaneous........................................................       947          440
                                                                         --------     --------
                                                                          454,733      400,141
Costs and expenses:
  Cost of sales........................................................   412,322      337,921
  General and administrative...........................................     9,629        9,153
  Depreciation, depletion and amortization.............................    11,735        8,051
  Exploration expenses, including dry holes............................     2,451        2,706
  Miscellaneous........................................................       107          158
                                                                         --------     --------
                                                                          436,244      357,989
                                                                         --------     --------
Income from operations.................................................    18,489       42,152
Other:
  Interest income......................................................       732          254
  Interest expense.....................................................    (6,337)      (6,802)
                                                                         --------     --------
                                                                           (5,605)      (6,548)
                                                                         --------     --------
Income before income taxes and cumulative effect of
  change in accounting for turnarounds.................................    12,884       35,604
Income tax provision:
  Current..............................................................     3,586       12,416
  Deferred.............................................................     1,439        1,919
                                                                         --------     --------
                                                                            5,025       14,335
                                                                         --------     --------
Income before cumulative effect of change in accounting method.........     7,859       21,269
Cumulative effect to August 1, 1994 of change in accounting for
  turnarounds,
  net of taxes.........................................................     5,703           --
                                                                         --------     --------
Net income.............................................................  $ 13,562     $ 21,269
                                                                         ========     ========
Income per common share:
  Income before cumulative effect of change in accounting method.......  $    .95     $   2.58
  Cumulative effect to August 1, 1994 of change in accounting for
     turnarounds, net of taxes.........................................       .69           --
                                                                         --------     --------
  Net income...........................................................  $   1.64     $   2.58
                                                                         ========     ========
Cash dividends paid per share..........................................  $     30     $    .25
Average number of shares of common stock outstanding (in thousands)....     8,254        8,254
</TABLE>
    
 
See accompanying notes to Condensed Consolidated Financial Statements.
 
                                      F-18
<PAGE>   54
 
                               HOLLY CORPORATION
 
                 CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS
 
   
<TABLE>
<CAPTION>
                                                                               UNAUDITED
                                                                           NINE MONTHS ENDED
                                                                               APRIL 30,
                                                                         ---------------------
                                                                           1995         1994
                                                                         --------     --------
                                                                           ($ IN THOUSANDS)
<S>                                                                      <C>          <C>
Cash flows from operating activities:
  Net income...........................................................  $ 13,562     $ 21,269
  Adjustments to reconcile net income to net cash provided by
     operating activities:
       Depreciation, depletion and amortization........................    11,735        8,051
       Deferred income taxes...........................................     1,439        1,919
       Dry hole costs and leasehold impairment.........................       652        1,037
       Cumulative effect to August 1, 1994 of change in accounting
          for turnarounds..............................................    (5,703)          --
       Changes in other assets and liabilities:
          (Increase) decrease in accounts receivable...................     8,152       (1,282)
          Decrease in inventories......................................     4,015          869
          Increase in income taxes receivable..........................    (3,094)          --
          (Increase) decrease in prepayments and other.................     1,458         (614)
          Increase (decrease) in accounts payable......................    (5,149)          21
          Increase (decrease) in accrued liabilities...................     2,473       (1,566)
          Decrease in income taxes payable.............................      (111)      (2,452)
       Other, net......................................................    (2,696)         630
                                                                         --------     --------
     Net cash provided by operating activities.........................    26,733       27,882
Cash flows from financing activities:
  Reduction in long-term debt..........................................        (8)          (8)
  Cash dividends.......................................................    (2,476)      (2,063)
                                                                         --------     --------
     Net cash used for financing activities............................    (2,484)      (2,071)
Cash flows from investing activities:
  Additions to properties, plants and equipment........................   (10,606)     (18,505)
                                                                         --------     --------
     Net cash used for investing activities............................   (10,606)     (18,505)
                                                                         --------     --------
Cash and cash equivalents:
  Increase for the period..............................................    13,643        7,306
  Beginning of year....................................................     3,297        6,631
                                                                         --------     --------
  End of period........................................................  $ 16,940     $ 13,937
                                                                         ========     ========
Supplemental disclosure of cash flow information:
  Cash paid during period for:
     Interest..........................................................  $  4,249     $  4,569
     Income taxes......................................................  $  6,744     $ 14,752
</TABLE>
    
 
See accompanying notes to Condensed Consolidated Financial Statements.
 
                                      F-19
<PAGE>   55
 
                               HOLLY CORPORATION
 
              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
 
NOTE A -- PRESENTATION OF FINANCIAL STATEMENTS
 
   
     In the opinion of the Company, the accompanying consolidated financial
statements, which have not been audited by independent accountants (except for
the consolidated balance sheet as of July 31, 1994), reflect all adjustments
(consisting only of normal recurring adjustments, except for the accounting
change as described in Note B below) necessary to present fairly the Company's
consolidated financial position as of April 30, 1995, the consolidated results
of operations for the nine months ended April 30, 1995 and 1994, and
consolidated cash flows for the nine months ended April 30, 1995 and 1994.
    
 
     Certain notes and other information have been condensed or omitted.
Therefore, these financial statements should be read in conjunction with the
consolidated financial statements and related notes included in the Company's
Annual Report on Form 10-K for the fiscal year ended July 31, 1994.
 
   
     References herein to the "Company" are for convenience of presentation and
may include obligations, commitments or contingencies that pertain solely to one
or more affiliates of the Company. Results of operations for the first nine
months of fiscal 1995 are not necessarily indicative of the results to be
expected for the full year.
    
 
NOTE B -- ACCOUNTING CHANGE
 
   
     Effective August 1, 1994, the Company changed its method of accounting for
turnaround costs. Turnarounds consist of preventive maintenance on major
processing units as well as the shutdown and restart of all units, and generally
are scheduled at two to three year intervals. Previously, the Company estimated
the costs of the next scheduled turnaround and ratably accrued the related
expenses prior to the actual turnaround. To provide for a better matching of
turnaround costs with revenues, the Company changed its accounting method for
turnaround costs to one that results in the amortization of costs incurred over
the period until the next scheduled turnaround. The cumulative effect of this
accounting change through the 1994 fiscal year was an increase in net income in
the current year of $5,703,000, or $.69 per common share. Excluding the
cumulative effect, the change increased net income for the nine months ended
April 30, 1995 by $950,000 or $.12 per common share. If the accounting change
for turnaround costs had been retroactively applied, pro forma net income for
the nine months ended April 30, 1994 would have increased by $1,162,000 or $.14
per share over what was originally reported and net income for the full 1994
fiscal year would have increased by $1,266,000 or $.15 per share to pro forma
net income amounts for the 1994 fiscal year of $21,983,000 or $2.66 per share.
    
 
NOTE C -- CONTINGENCIES
 
   
     In July 1993, the DOJ filed suit against Navajo alleging that, beginning in
September 1990 and continuing through the present, Navajo has violated and
continues to violate RCRA and implementing regulations of the EPA by treating,
storing and disposing of certain hazardous wastes without compliance with
regulatory requirements. The Company believes that the parties are in the final
stage of negotiating a resolution of the litigation. If settled as anticipated,
the Company would close the existing evaporation ponds of its wastewater
management system at a cost believed to be substantially less than $1 million.
The settlement also contemplates that the Company would implement one of several
alternatives to the existing wastewater treatment system. Depending upon which
approach is utilized, the Company could incur total costs of approximately $3
million over the next several years. The costs to implement an alternative
wastewater treatment system would be capitalized and amortized over the future
useful life of the resulting asset in accordance with generally accepted
accounting principles. The settlement with the DOJ also is expected to involve
the payment of a civil penalty of less than $2 million. In fiscal 1993, the
Company recorded a $2 million reserve for the litigation.
    
 
                                      F-20
<PAGE>   56
 
                               HOLLY CORPORATION
 
       NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS -- CONTINUED
 
   
NOTE D -- SUBSEQUENT EVENT
    
 
   
     The Company filed a Form S-3 Registration Statement on May 17, 1995
relating to the sale of up to 2,500,000 shares of common stock (before an
over-allotment option of up to 375,000 shares granted to the underwriters for
such offering by certain selling stockholders (the "Selling Stockholders")). Of
those shares, 1,500,000 shares will be sold by the Company and 1,000,000 shares
(plus up to 375,000 shares subject to the over-allotment option) will be sold by
the Selling Stockholders. The Company will not receive any portion of the
proceeds from the sale of shares of common stock by the Selling Stockholders.
    
 
   
     The Company will use $15 million of the net offering proceeds to pay for
certain capital improvements to enhance its Navajo Refinery, located in New
Mexico. It will use the balance of the net offering proceeds, together with
internally generated funds, for other capital improvement projects currently
being evaluated and/or for general corporate purposes.
    
 
                                      F-21
<PAGE>   57
 
- ------------------------------------------------------
- ------------------------------------------------------
 
  NO DEALER, SALESPERSON OR OTHER INDIVIDUAL HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS NOT CONTAINED IN, OR INCORPORATED BY
REFERENCE IN, THIS PROSPECTUS, IN CONNECTION WITH THE OFFERING COVERED BY THIS
PROSPECTUS. IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE
RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY, THE SELLING STOCKHOLDERS
OR THE UNDERWRITERS. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A
SOLICITATION OF AN OFFER TO BUY, THE COMMON STOCK IN ANY JURISDICTION WHERE, OR
TO ANY PERSON TO WHOM, IT IS UNLAWFUL TO MAKE SUCH OFFER OR SOLICITATION.
NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE HEREUNDER SHALL, UNDER
ANY CIRCUMSTANCES, CREATE AN IMPLICATION THAT THERE HAS NOT BEEN ANY CHANGE IN
THE FACTS SET FORTH IN THIS PROSPECTUS OR INCORPORATED BY REFERENCE HEREIN OR IN
THE AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF.
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
   
<TABLE>
<CAPTION>
                                        PAGE
                                        ----
<S>                                     <C>
Available Information.................    3
Incorporation of Certain Documents by
  Reference...........................    3
Prospectus Summary....................    4
Risk Factors..........................    9
Use of Proceeds.......................   11
Capital Improvement Projects..........   11
Capitalization........................   12
Price Range of Common Stock and
  Dividend Policy.....................   13
Selected Financial Data...............   14
Management's Discussion and Analysis
  of Results of Operations and
  Financial Condition.................   16
Business..............................   21
Management and Directors..............   30
Selling Stockholders..................   32
Description of Common Stock...........   33
Underwriting..........................   33
Legal Matters.........................   34
Experts...............................   34
Index to Financial Statements.........  F-1
</TABLE>
    
 
- ------------------------------------------------------
- ------------------------------------------------------
 
- ------------------------------------------------------
- ------------------------------------------------------
 
                                2,500,000 SHARES
 
                                  COMMON STOCK
                          ---------------------------
 
                                   PROSPECTUS
                          ---------------------------
 
                              MERRILL LYNCH & CO.
 
                                CS FIRST BOSTON
                                      , 1995
- ------------------------------------------------------
- ------------------------------------------------------
<PAGE>   58
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.
 
     The following table sets forth the expenses to be paid by the Registrant in
connection with this Registration Statement. All such fees are estimates, other
than the fees payable to the SEC, the NASD and the American Stock Exchange.
 
<TABLE>
    <S>                                                                         <C>
    SEC Registration Fee......................................................  $  28,254
    NASD Filing Fee...........................................................      8,694
    American Stock Exchange Additional Listing Fee............................     17,500
    Accounting Fees and Expenses..............................................     30,000
    Legal Fees and Expenses...................................................    100,000
    Blue Sky Fees and Expenses (including legal fees).........................      7,500
    Printing Expenses.........................................................    150,000
    Miscellaneous.............................................................      7,500
                                                                                ---------
              Total...........................................................  $ 349,448
                                                                                 ========
</TABLE>
 
The expenses of the Selling Stockholders (other than underwriting discounts)
will be borne by the Company.
 
ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
     The law of the State of Delaware authorizes corporations to limit the
personal liability of directors to corporations and their stockholders for
monetary damages for certain breaches of a director's fiduciary duties. The
Registrant's Restated Certificate of Incorporation provides that a director will
not be personally liable for monetary damages for the breach of his or her
fiduciary duties as a director, except for liability imposed by the General
Corporation Law of the State of Delaware or imposed by other law for (i) a
breach of the director's duty of loyalty to the Registrant or its stockholders,
(ii) acts or omissions not in good faith or which involve intentional misconduct
or a knowing violation of law, or (iii) a transaction from which the director
derived an improper personal benefit.
 
   
     The Bylaws of the Registrant provide that the Registrant shall indemnify
any person who was or is a party or is threatened to be made a party to any
threatened, pending or completed action, suit or proceeding (other than an
action by or in the right of the Registrant) by reason of the fact that he or
she is or was a director, officer, employee or agent of the Registrant or is or
was serving at the request of the Company as a director, officer, employee or
agent of another entity or is or was the spouse or former spouse of any person
serving in such a capacity, to the fullest extent permitted by the General
Corporation Law of the State of Delaware provided such person gives the
Registrant appropriate notice and permits the Registrant, at its option, to
participate in or to direct in good faith any defense of such person. Pursuant
to the provisions of Section 145 of the General Corporation Law of the State of
Delaware, the Registrant has the power under specified circumstances to
indemnify such persons against expenses, judgments, fines and amounts paid in
settlement actually and reasonably incurred in connection with such action, suit
or proceeding.
    
 
     The power to indemnify generally applies only if such person acted in good
faith and in a manner he or she reasonably believed to be in the best interest,
or not opposed to the best interest, of the Registrant and, with respect to any
criminal action or proceeding, had no reasonable cause to believe his conduct
was unlawful. In actions brought by or in the right of the Registrant, however,
the power to indemnify applies only to expenses reasonably incurred in
connection with the defense and settlement of an action or suit and not to the
satisfaction of a judgment or settlement of the claim itself, and with the
further limitation that in such actions no indemnification shall be made in the
event of any adjudication of liability for the Corporation unless the court, in
its discretion, believes that in light of all the circumstances indemnification
should apply. The General Corporation Law of the State of Delaware further
specifically provides that the indemnification authorized thereby shall not be
deemed exclusive of any other rights to which any such officer or director may
be entitled under any bylaws, agreements, vote of stockholders or disinterested
directors, or otherwise.
 
                                      II-1
<PAGE>   59
 
     Insofar as indemnification for liabilities arising under the Securities Act
of 1933, as amended (the "Securities Act") may be permitted to directors,
officers and controlling persons of the Registrant pursuant to the provisions
referred to above in this Item 15, or otherwise, the Registrant has been advised
that in the opinion of the Securities and Exchange Commission such
indemnification is against public policy as expressed in the Securities Act and
is therefore unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the Registrant of expenses
incurred or paid by a director, officer, or controlling person of the Registrant
in the successful defense of any action, suit, or proceeding) is asserted by
such director, officer, or controlling person in connection with the securities
being registered, the Registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question of whether such indemnification by it is
against public policy as expressed in the Securities Act and will be governed by
the final adjudication of such issue.
 
ITEM 16. EXHIBITS.
 
     The following is a list of all exhibits filed as a part of this
Registration Statement.
 
   
<TABLE>
<CAPTION>
       EXHIBIT
       NUMBER                                DESCRIPTION OF EXHIBITS
- ---------------------------------------------------------------------------------------------
<S>                  <C>
           1.1       -- Form of Purchase Agreement, dated as of           , among the
                        Registrant, the Selling Stockholders and Merrill Lynch, Pierce,
                        Fenner & Smith Incorporated and CS First Boston Corporation, as
                        representatives of the Underwriters.+
           4.1       -- Restated Certificate of Incorporation of the Registrant.*
           4.2       -- Revised Bylaws of the Registrant.*
           5         -- Opinion of Weil, Gotshal & Manges.*
          23.1       -- Consent of Weil, Gotshal & Manges (included in Exhibit 5).*
          23.2       -- Consent of Ernst & Young LLP.*
          24         -- Power of Attorney (included on page II-4 of this Registration
                        Statement).
          99         -- Copy of civil action against the Company's subsidiary, Navajo
                        Refining Company, filed on July 16, 1993 by the United States, in the
                        United States District Court for the District of New Mexico, seeking
                        civil penalties and other compliance measures under the Resource
                        Conservation and Recovery Act and implementing regulations of the
                        Environmental Protection Agency (incorporated by reference to Exhibit
                        28 of Registrant's Form 8-K dated July 16, 1993, File No. 1-3876).
</TABLE>
    
 
   
+ To be filed by amendment.
    
 
   
* Filed herewith.
    
 
ITEM 17. UNDERTAKINGS.
 
     The undersigned Registrant hereby undertakes the following:
 
     (a)(1) For purposes of determining any liability under the Securities Act
of 1933, the information omitted from the form of prospectus filed as part of
this Registration Statement in reliance upon Rule 430A and contained in the form
of prospectus filed by the Registrant pursuant to Rule 424(b)(1) or (4) or
497(h) under the Securities Act shall be deemed to be part of the Registration
Statement as of the time it was declared effective.
 
     (2) For the purpose of determining any liability under the Securities Act
of 1933, each post-effective amendment that contains a form of prospectus shall
be deemed to be a new registration statement relating to the securities offered
therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
 
                                      II-2
<PAGE>   60
 
     (b) For purposes of determining any liability under the Securities Act of
1933, each filing of the Registrant's annual report pursuant to Section 13(a) or
15(d) of the Securities Exchange Act of 1934 that is incorporated by reference
in this Registration Statement shall be deemed to be a new registration
statement relating to the securities offered therein, and the offering of such
securities at that time shall be deemed to be the initial bona fide offering
thereof.
 
     (c) See Item 15.
 
                                      II-3
<PAGE>   61
 
                               POWER OF ATTORNEY
 
     Each person whose signature to this Registration Statement appears below
hereby appoints Lamar Norsworthy, Henry A. Teichholz, Christopher L. Cella and
Karl N. Knapp, and each of them, any one of whom may act without the joinder of
the other, as his attorney-in-fact to sign on his behalf individually and in the
capacity stated below and to file all amendments and post-effective amendments
to this Registration Statement, which amendments may make such changes in and
additions to this Registration Statement as such attorney-in-fact may deem
necessary or appropriate.
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this Amendment No. 1 to
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Dallas, State of Texas, on June   , 1995.
    
 
                                            HOLLY CORPORATION
 
   
                                            By:   /s/  HENRY A. TEICHHOLZ
                                                  -----------------------
    
   
                                                      Henry A. Teichholz
    
   
                                                Vice President, Treasurer and
                                                           Controller
    
 
   
     Pursuant to the requirements of the Securities Act, this Amendment No. 1 to
Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.
    
 
   
<TABLE>
<CAPTION>
              SIGNATURE                                 TITLE                         DATE
- -------------------------------------  ----------------------------------------  --------------
<S>                                    <C>                                       <C>
                     *                 Chairman of the Board, President and      June   , 1995
- -------------------------------------  Chief Executive Officer (Principal
Lamar Norsworthy                       Executive Officer)
 
                     *                 Executive Vice President -- Refining      June   , 1995
- -------------------------------------  and Director
Jack P. Reid                                       
                                       
 /s/  HENRY A. TEICHHOLZ               Vice President, Treasurer and Controller  June   , 1995
- -------------------------------------  (Principal Financial and Accounting
Henry A. Teichholz                     Officer)                           
                                                                          
                                       
                     *                 Director                                  June   , 1995
- -------------------------------------  
W. John Glancy
 
                     *                 Director                                  June   , 1995
- -------------------------------------  
Marcus R. Hickerson
 
                     *                 Director                                  June   , 1995
- -------------------------------------  
A. J. Losee
 
                     *                 Director                                  June   , 1995
- -------------------------------------  
Robert G. McKenzie
 
                     *                 Director                                  June   , 1995
- -------------------------------------  
Thomas W. Matthews, II
 
                     *                 Director                                  June   , 1995
- -------------------------------------  
E. I. Parsons
 
*By: /s/ HENRY A. TEICHHOLZ
    ---------------------------------
     Henry A. Teichholz
     Attorney-in-Fact
</TABLE>
    
 
                                      II-4
<PAGE>   62
 
                               INDEX TO EXHIBITS
 
   
<TABLE>
<CAPTION>
                                                                                   SEQUENTIALLY
  EXHIBIT                                                                           NUMBERED
    NO.                            DESCRIPTION OF EXHIBITS                            PAGE
- ----------------------------------------------------------------------------------------------
<S>        <C>                                                                     <C>
    1.1    -- Form of Purchase Agreement, dated as of           , among the
              Registrant, the Selling Stockholders and Merrill Lynch, Pierce,
              Fenner & Smith Incorporated and CS First Boston Corporation, as
              representatives of the Underwriters.+
    4.1    -- Restated Certificate of Incorporation of the Registrant.*
    4.2    -- Revised Bylaws of the Registrant.*
    5      -- Opinion of Weil, Gotshal & Manges.*
   23.1    -- Consent of Weil, Gotshal & Manges (included in Exhibit 5).*
   23.2    -- Consent of Ernst & Young LLP.*
   24      -- Power of Attorney (included on page II-4 of this Registration
              Statement).
   99      -- Copy of civil action against the Company's subsidiary, Navajo
              Refining Company, filed on July 16, 1993 by the United States, in the
              United States District Court for the District of New Mexico, seeking
              civil penalties and other compliance measures under the Resource
              Conservation and Recovery Act and implementing regulations of the
              Environmental Protection Agency (incorporated by reference to Exhibit
              28 of Registrant's Form 8-K dated July 16, 1993, File No. 1-3876).
</TABLE>
    
 
   
+ To be filed by amendment.
    
 
   
* Filed herewith.
    

<PAGE>   1
                                                                     Exhibit 4.1


                     RESTATED CERTIFICATE OF INCORPORATION

                                       OF

                               Holly Corporation


         Holly Corporation, a Corporation organized and existing under the laws
of the State of Delaware, hereby certifies as follows:

         1.      The name of the Corporation is Holly Corporation, and the name
under which the Corporation was originally incorporated is GENERAL APPLIANCE
CORPORATION.

                 The date of filing its original Certificate of Incorporation
with the Secretary of State was January 25, 1947.

         2.      The text of the Certificate of Incorporation as amended,
supplemented and restated heretofore is hereby restated to read as herein set
forth in full:

         ARTICLE FIRST: The name of the Corporation shall be Holly Corporation.

         ARTICLE SECOND: The address of the registered office of the
Corporation in the State of Delaware is at 1209 Orange Street, in the City of
Wilmington, County of New Castle. The name of the Corporation's registered
agent at that address is The Corporation Trust Company.

         ARTICLE THIRD: The principal business of the Corporation is the
refining and marketing of petroleum and petroleum derivatives, the
transportation and sale of petroleum and petroleum products and the exploration
for, development, production and sale of petroleum, condensate, gas and other
sources of energy. The Corporation may engage in any lawful activity for which
corporations may be organized under the General Corporation Law of Delaware.

         ARTICLE FOURTH: The total number of shares of stock which the
Corporation shall have authority to issue is Twenty-One Million (21,000,000)
shares, of which One Million (1,000,000) shares of the par value of One Dollar
($1.00) each, amounting in the aggregate to One Million Dollars ($1,000,000),
shall be Preferred Stock, and of which Twenty Million (20,000,000) shares of
the par value of One Cent ($.01) each, amounting in the aggregate to Two
Hundred Thousand Dollars ($200,000), shall be Common Stock.

         The designations and the powers, preferences and rights, and the
qualifications, limitations and/or restrictions thereof shall be determined as
follows:
<PAGE>   2
                        PREFERRED STOCK, $1.00 par value

         Shares of Preferred Stock may be issued from time to time in one or
more series, each such series to have such distinctive designation or title as
may be fixed by the Board of Directors prior to the issuance of any shares
thereof.  Each share of any series of Preferred Stock shall be identical with
all other shares of such series, except as to the date from which cumulative
preferred dividends, if any, shall be cumulative. For each such series, the
Board of Directors shall determine, by resolution or resolutions adopted prior
to the issuance of any shares thereof, the rights, preferences, limitations and
restrictions of shares of such series, including, without limitation, rights,
or limitations with respect to voting powers if any, redemption rights if any,
conversion rights if any, dividend rights and any preferences on liquidation.

                         COMMON STOCK, $.01 par value

         SubJect to any preferences, qualifications, limitations, voting rights
and restrictions with respect to each class of the capital stock of the
Corporation having any preference or priority over the Common Stock, the
holders of the Common Stock shall have and possess all rights appertaining to
capital stock of the Corporation.

         No holder of stock of any class of the Corporation shall be entitled
as of right to subscribe for, purchase or receive any part of any new or
additional shares of stock of any class, whether now or hereafter authorized,
or of bonds, debentures or other evidences of indebtedness convertible into or
exchangeable for stock, but all such new or additional shares of stock of any
class, or bonds, debentures or other evidences of indebtedness convertible into
or exchangeable for stock, may be issued and disposed of by the Board of
Directors on such terms and for such consideration, so far as may be permitted
by law, and to such person or persons as the Board of Directors in its absolute
discretion may deem advisable.

         ARTICLE FIFTH: The number of directors of the Corporation shall be
fixed time to time by or in the manner provided for in the By-Laws but shall
never be less than three. In case of any increase in the number of directors,
the additional directors may be elected by the directors then in office or by
the stockholders at any annual or special meeting.

         ARTICLE SIXTH: In furtherance and not in limitation of the powers
conferred by statute, the Board of Directors is expressly authorized to make,
alter, amend, and repeal the By-Laws of the Corporation.

         The By-Laws may confer powers on the Board of Directors in addition to
the foregoing and in addition to the powers and authorities expressly conferred
by statute.

         ARTICLE SEVENTH: No director of the Corporation shall be personally
liable to the Corporation or any of its stockholders for monetary damages for
breach of such director's duty as a director, except that a director shall
remain liable to the extent provided by law (i) for




                                     -2-
<PAGE>   3
breach of the director's duty of loyalty to the Corporation or its
stockholders, (ii) for acts or omissions not in good faith or which involve
intentional misconduct or a knowing violation of law, (iii) under Section 174
of the Delaware General Corporation Law or (iv) for any transaction from which
the director derived an improper personal benefit. No amendment or deletion of
this Article shall impair the immunity of any person under this Article for any
act or omission occurring prior to the effectiveness of such amendment or
deletion.

         ARTICLE EIGHTH: A director of this Corporation shall not in the
absence of fraud be disqualified by his office from dealing or contracting with
the Corporation either as a vendor, purchaser, or otherwise, nor in the absence
of fraud, shall any transaction or contract of this Corporation be void or
voidable or affected by reason of the fact that any director or any firm of
which any director is a member or an employee or any corporation of which any
director is an officer, director, stockholder, or employee is in any way
interested in such transaction or contract, even though the vote of the
director or directors having such adverse interest shall have been necessary to
obligate the Corporation upon such contract or transaction, and, in the absence
of fraud, no director or directors having such adverse interest shall be liable
to the Corporation or to any stockholder or creditor thereof or to any other
person for any loss incurred by it under or by reason of any such contract or
transaction; nor, in the absence of fraud, shall any such director or directors
be accountable for any gains or profits realized thereon.

         ARTICLE NINTH: Whenever a compromise or arrangement is proposed
between this Corporation and its creditors or any class of them and/or between
this Corporation and its stockholders or any class of them, any court of
equitable jurisdiction within the State of Delaware may, on the application in
a summary way of this Corporation or of any creditor or stockholder thereof, or
on the application of any receiver or receivers appointed for this Corporation
under the provisions of Section 291 of Title 8 of the Delaware Code or on the
application of trustees in dissolution or of any receiver or receivers
appointed for this Corporation under the provisions of Section 279 of Title 8
of the Delaware Code order a meeting of the creditors or class of creditors,
and/or of the stockholders or class of stockholders of this Corporation, as the
case may be, to be summoned in such a matter as the said Court directs. If a
majority in number representing three-fourths in value of the creditors or
class of creditors, and/or of the stockholders or class of stockholders of this
Corporation, as the case may be, agree to any compromise or arrangement and to
reorganization of this Corporation as consequence of such compromise or
arrangement, the said compromise or arrangement and the said reorganization
shall, if sanctioned by the Court to which the said application has been made,
be binding on all creditors or class of creditors, and/or on all the
stockholders or class of stockholders, of this Corporation, as the case may be,
and also on this Corporation.




                                     -3-
<PAGE>   4
         3.      This Restated Certificate of Incorporation was duly adopted by
the Board of Directors of the Corporation in accordance with Section 245 of the
General Corporation Law of the State of Delaware. This Restated Certificate of
Incorporation only restates and integrates and does not further amend the
provisions of the Corporation's certificate of incorporation as theretofore
amended or supplemented, and there is no discrepancy between those provisions
and the provisions of the Restated Certificate.

         IN WITNESS WHEREOF, said Holly Corporation has caused this Certificate
to be signed by E.I. PARSONS, its Vice Chairman of the Board of Directors, and
attested by HENRY L. STERN, its Secretary, this 9th of December, 1988.

                                             Holly Corporation

                                             BY:   /s/ E.I. PARSONS
                                                 ------------------------------
                                                   E.I. Parsons
                                                   Vice Chairman of the Board of
                                                     Directors

ATTEST:

BY: /s/ HENRY L. STERN
   -----------------------
    Henry L. Stern
    Secretary




                                     -4-

<PAGE>   1

                                 R E V I S E D
                                (as of 3/12/93)

                                 B Y - L A W S


                                       of



                       H O L L Y   C O R P O R A T I O N
<PAGE>   2
                               TABLE OF CONTENTS



<TABLE>
<S>                                                        <C>
ARTICLE I - Offices                                         1

ARTICLE II - Stockholders Meetings                          2

             Section  1 - Place of Meetings                 2
             Section  2 - Annual Meetings                   2
             Section  3 - Special Meetings                  3
             Section  4 - Notice                            3
             Section  5 - Proxies                           3
             Section  6 - Quorum                            4
             Section  7 - Voting                            4
             Section  8 - List of Stockholders              5
             Section  9 - Judges of Election                5
               
ARTICLE III - Directors                                     7

             Section  1 - Powers                            7
             Section  2 - Number and Tenure                 7
             Section  3 - Regular Meetings                  7
             Section  4 - Special Meetings                  7
             Section  5 - Place of Meetings                 8
             Section  6 - Quorum                            8
             Section  7 - Resignations                      8
             Section  8 - Vacancies                         8
             Section  9 - Removal                           9
             Section 10 - Compensation                      9
               
ARTICLE IV - Committees                                    10

             Section  1 - Executive Committee              10
             Section  2 - Meetings of Executive
                           Committee                       11
             Section  3 - Other Committees                 11
               
ARTICLE V - Officers                                       12

             Section  1 - General                          12
             Section 1A - Chairman of the Board and      
                           Chief Executive Officer         12
             Section 1B - Vice Chairman of the Board       13
                                                         
             Section  2 - President                        13
             Section  3 - Executive Vice Presidents      
                           and Vice Presidents             14
             Section  4 - Secretary                        15
             Section  5 - Controller                       15
             Section  6 - Treasurer                        15
             Section  7 - Assistant Officers               16
</TABLE>       





                                      -i-
<PAGE>   3
<TABLE>
<S>                                                        <C>
        
             Section  8 - Officers Holding Two or      
                           More Offices                    16
             Section  9 - Voting of Other Stock            16
             Section 10 - Compensation                     17
             Section 11 - Removal                          17
             Section 12 - Indemnification                  17
               
ARTICLE VI - Fiscal Year                                   19

ARTICLE VII - Seal                                         20

ARTICLE VIII - Stock                                       21

             Section  1 - Certificates                     21
             Section  2 - Transfer Agents and        
                           Registrars                      21
             Section  3 - Closing of Books                 21
             Section  4 - Lost, Mutilated, or        
                           Destroyed Certificates          22
               
ARTICLE IX - Signatures                                    23

             Section  1 - Checks                           23
             Section  2 - Endorsements                     23
             Section  3 - Proxies                          23
               
ARTICLE X - Notice of Meetings                             25

ARTICLE XI - Amendments                                    26
</TABLE>





                                      -ii-
<PAGE>   4
                                   ARTICLE I

                                    Offices

         The principal office of the Corporation in the State of Delaware shall
be in the City of Dover, County of Kent, State of Delaware, and the name of the
resident agent in charge thereof is United States Corporation Company.

         The Corporation may, in addition to its principal office in the State
of Delaware, establish and maintain an office or offices at such other places
as the Board of Directors may from time to time deem necessary or desirable.





                                      -1-
<PAGE>   5
                                   ARTICLE II

         Section 1. Place of Meetings. The Annual Meeting of the stockholders
for the election of directors and any Special Meetings of Stockholders shall be
held at such time and place as shall be stated in the notice of such meeting.

         Section 2. Annual Meetings. The annual meeting of the stockholders for
the election of directors and for the transaction of any other business
properly presented for action at such meeting shall be held on the second
Thursday in December of each year; provided, however, that if the Board of
Directors deems it impracticable to hold the meeting on such date, such annual
meeting shall be held as soon as practicable after such date on a date to be
specified in a resolution of the Board of Directors. Such annual meetings shall
be general meetings, that is to say, open for transaction of any business
within the powers of the Corporation without special notice of such business,
except in any case in which notice is required by federal, state or local law,
by the Certificate of Incorporation, or by these By-laws. In the event business
is presented for action at such annual meeting which, in the opinion of the
ranking executive officer of the Corporation attending such meeting, requires
the giving of prior notice of such business to stockholders, no action shall be
taken on such business at such meeting unless and until proof of timely and
adequate notice of such business shall have been filed with and accepted by the
ranking executive officer of the Corporation attending such meeting.





                                      -2-
<PAGE>   6
         Section 3. Special Meetings. Special meetings of the stockholders may
be called by the President, and shall be called by the President, a Vice
President, the Secretary or an Assistant Secretary, at the request in writing
of a majority of the Board of Directors, or of a majority of the Executive
Committee, or of stockholders owning a majority of the outstanding shares
having voting power. Such request shall state the purpose or purposes of the
proposed meeting.

         Section 4. Notice. Notice of all stockholders' meetings stating the
time and place, and, in the case of special meetings, the purpose or purposes
for which the meeting is called, shall be delivered personally or mailed to
each stockholder entitled to vote at such meeting not less than ten (10) nor
more than sixty (60) days before the meeting. If mailed, it shall be directed
to the stockholder at his last known post office address as the same appears on
the stock records of the Corporation.

         Section 5. Proxies. At any meeting of the stockholders each
stockholder entitled to vote may vote either in person or by proxy, but no
proxy shall be voted on after three years from its date, unless such proxy
shall, on its face, name a longer period for which it is to remain in force.
Such proxy shall be in writing, subscribed by the stockholder or his duly
authorized attorney, but need not be sealed, witnessed or acknowledged, and
shall be filed with the Secretary at or before the meeting.





                                      -3-
<PAGE>   7
         Section 6. Quorum. At any annual or special meeting of stockholders a
majority in interest of the stockholders entitled to vote thereat, present in
person or by proxy, shall constitute a quorum, except as otherwise provided by
law, but if at any meeting of the stockholders there be less than a quorum
present, the stockholders present at such meeting may, without further notice,
adjourn the same from time to time until a quorum shall attend, but no business
shall be transacted at any such adjourned meeting except such as might have
been lawfully transacted had the meeting not been adjourned.

         Section 7. Voting. Except as otherwise expressly required by statute,
the Certificate of Incorporation or these By-laws, each stockholder shall at
each meeting of the stockholders be entitled to one vote in person or by proxy
for each share of stock of the Corporation entitled to be voted thereat held by
him and registered in his name on the books of the Corporation

         (a)     On such date as may be fixed pursuant to Article VIII of these
                 By-laws as the record date for the determination of
                 stockholders entitled to notice of and to vote at such
                 meeting; or

         (b)     In the event that no record date shall have been so fixed, on
                 the date of such meeting; provided, however, that, except
                 where a record date shall have been so fixed, no share of
                 stock of the Corporation shall be voted at any election of
                 directors which shall have been transferred on the books of
                 the Corporation within 20 days prior to such election of
                 directors.





                                      -4-
<PAGE>   8
         The vote for directors, and, upon the demand of any stockholder, the
vote upon any question before the meeting shall be by ballot. Except as
otherwise provided by law or the Certificate of Incorporation or these By-laws,
directors shall be elected by a plurality vote of the stockholders present or
represented at the meeting, and each other question properly presented to any
meeting of stockholders shall be decided by a majority of the votes cast on the
question entitled to vote thereon.

         Section 8. List of Stockholders. A complete list of the stockholders
entitled to vote at the ensuing election, arranged in alphabetical order, with
the residence of each, and the number of voting shares held by each, shall be
prepared and filed in the office where the election is to be held at least ten
days before every election, and shall at all times during the usual hours for
business during the said ten days and during the whole time of said election be
open to the examination of any stockholder.

         Section 9. Judges of Election. Whenever a vote at a meeting of
stockholders shall be by ballot, the polls shall be opened and closed, the
proxies and ballots shall be received, and all questions pertaining to the
qualification of voters and the validity of proxies and the acceptance or
rejection of votes shall be decided by two Judges of Election. Such Judges of
Election shall be appointed by the Board of Directors before or at the meeting,
or in default thereof, by the officer presiding at the meeting, and shall be
sworn to the faithful performance





                                      -5-
<PAGE>   9
of their duties. If any Judge of Election previously appointed shall fail to
attend or refuse or be unable to serve, a substitute shall be appointed by the
presiding officer.





                                      -6-
<PAGE>   10
                                  ARTICLE III

                                   Directors

         Section 1. Powers. Except as otherwise provided by law, by the
Certificate of Incorporation or by these By-laws, the property, business and
affairs of the Corporation shall be managed by the Board of Directors.

         Section 2. Number and Tenure. The Board of Directors shall consist of
no less than three (3) nor more than eleven (11) members as the Board may
determine from time to time by Resolution of the Board of Directors. Directors
shall hold office until the next annual election and until their successors
shall be duly elected and qualified. The Board of Directors shall keep full and
fair records and accounts of its proceedings and transactions. Directors need
not be stockholders.

         Section 3. Regular Meetings. The Board of Directors shall meet for the
election of officers and for the transaction of any other business as soon as
practicable after the annual meeting of stockholders. Other regular meetings of
the Board may be held at such times and places as the Board may from time to
time determine. No notice of any such annual or regular meeting of the Board
need be given.

         Section 4. Special Meetings. Special Meetings of the Board of
Directors shall be called by the Secretary or any Assistant Secretary at the
request of the Chairman of the Board and Chief Executive Officer, the
President or of any two directors. Notice of the time and place of any




                                      -7-
<PAGE>   11
such special meeting of the Board of Directors shall be served personally upon
each director or mailed, telegraphed or cabled to his address appearing upon
the books of the Corporation at least forty-eight (48) hours before the
meeting.

         Section 5. Place of Meetings. Meetings of the Board of Directors may
be held at such places in or out of the State of Delaware as may be fixed by
the Board or designated in the notice of the meeting, except that the annual
meeting of the Board, if held without notice, shall be held at the principal
executive office of the Corporation.

         Section 6. Quorum. One-third of the Board of Directors, but not less
than two directors, shall constitute a quorum for the transaction of business,
but if, at any meeting of the Board, there be less than a quorum present, a
majority of the directors present may, without further notice, adjourn the same
from time to time until a quorum shall attend. A majority of such quorum shall
decide any questions that may come before the meeting.

         Section 7. Resignations. A resignation from the Board of Directors
shall be deemed to take effect upon its receipt by the Corporation unless
otherwise specified therein.

         Section 8. Vacancies. Vacancies in the Board of Directors created on
account of death, resignation, disqualification or other





                                      -8-
<PAGE>   12
causes, or resulting from an increase in the authorized number of directors,
shall be filled by a majority of the remaining directors, though less than a
quorum, and the directors so chosen shall hold office until the next annual
election and until their successors shall be duly elected and qualified unless
sooner displaced; provided, however, that if the remaining directors shall
constitute less than a majority of the whole Board, upon application of any
stockholder or stockholders holding at least ten per cent (10%) of the total
number of shares of the capital stock of the Corporation at the time
outstanding having the right to vote for directors, an election to fill any
such vacancy or vacancies or to replace the director or directors chosen by the
remaining directors as aforesaid may be held as provided in Section 223 of the
General Corporation Law of the State of Delaware.

         Section 9. Removal. At any meeting of the stockholders called for the
purpose any director may, by vote of stockholders entitled to cast a majority
of the votes, be removed from office with or without cause, and another be
appointed in the place of the person so removed, to serve for the remainder of
his term.

         Section 10. Compensation. Directors shall receive such compensation
for their services as shall be fixed from time to time by resolution of the
Board of Directors. Nothing in this Section shall be construed to preclude a
director from serving the Corporation in any other capacity and receiving
compensation therefor.





                                      -9-
<PAGE>   13
                                   ARTICLE IV

                                   Committees

         Section 1. Executive Committee. The Board of Directors, by resolution
adopted by a majority of the whole Board, may designate not less than three of
the directors then in office (at least one of whom shall be the Chairman of the
Board of Directors or the President of the Corporation) to constitute an
Executive Committee. Terms of members of the Executive Committee shall be at
the pleasure of the Board but only while a member remains a director. If the
Chairman of the Board is a member of the Executive Committee, he shall be
Chairman of the Committee; otherwise, the Chairman of the Executive Committee
may either be designated by the Board or elected by the members of the
Committee. To the extent permitted by law or except as here or by resolution of
the Board of Directors otherwise provided, during the intervals between
meetings of the Board of Directors, the Executive Committee shall possess and
may exercise all of the powers of the Board of Directors in the management of
the business and affairs of the Corporation. An action of the Executive
Committee taken within the scope of its authority shall be an act of the Board.
All action taken by the Executive Committee shall be reported to the Board at
its regular meeting next succeeding such action, but failure to so render such
report shall not invalidate any such action. Vacancies in the Executive
Committee shall be filled by the Board of Directors, but during the temporary
absence of a member of the Executive Committee, the remaining members of the
Executive Committee may appoint a member of the Board of Directors to act in
the place of such absent member.





                                      -10-
<PAGE>   14
         Section 2. Meetings and Records of Executive Committee. Subject to the
provisions of these By-laws, the Executive Committee shall fix its own rules of
procedure and shall meet as provided by such rules or by resolution of the
Board of Directors, and it shall also meet at the call of the Chairman of the
Board or President of the Corporation or of any two members of the Committee.
Notice of meetings of the Executive Committee may be given orally, by
telephone, or in any other manner that reasonably assures receipt thereof and
no minimum advance notice shall be required. No notice shall be required for
any meeting of the Executive Committee in which a majority of its members
participate, action may be taken by the Executive Committee in any manner
permitted for directors' actions or meetings under Delaware law, and action
taken by a majority of the members of the Executive Committee shall constitute
the action of the Executive Committee. Two members of the Executive Committee
shall constitute a quorum. The Executive Committee shall keep records of its
proceedings and transactions.

         Section 3. Other Committees. The Board of Directors may by resolution
provide for such other standing or special committees as it deems desirable and
discontinue the same at pleasure. Each such committee shall have such powers
and perform such duties, not inconsistent with law, as may be assigned to it by
the Board of Directors. If provision be made for any such committee, the
members thereof shall be appointed by the Board of Directors and shall serve
during the pleasure of the Board. Vacancies in such committees shall be filled
by the Board of Directors. Section 2 of this ARTICLE IV shall also apply to the
meetings of such other committees mutatis mutandis.





                                      -11-
<PAGE>   15
                                   ARTICLE V

                                    OFFICERS

         Section 1. General. The officers of the Corporation may consist of a
Chairman of the Board and Chief Executive Officer, one or more Vice Chairmen of
the Board, a President, one or more Executive Vice Presidents, Senior Vice
Presidents and Vice Presidents (some of whom may have particular authority and
responsibilities as designated in their titles by the Board of Directors), a
Secretary, a Controller, a Treasurer and such Assistant Vice Presidents,
Assistant Secretaries, Assistant Treasurers or other subordinate officers as
may from time to time be designated by the Board of Directors. One person may
hold more than one office, and no officer, except the Chairman of the Board and
Chief Executive Officer, any Vice Chairman of the Board and the President, need
be a Director. These said officers shall have all the usual powers and shall
perform all of the usual duties incident to their respective offices and shall,
in addition, perform such other duties as shall be assigned to them from time
to time by the Board of Directors. In its discretion, the Board of Directors
may leave unfilled any office, except that there shall always be either a
Chairman of the Board and Chief Executive Officer or a President of the
Corporation.

         Section 1A. Chairman of the Board and Chief Executive Officer. The
Chairman of the Board and Chief Executive Officer shall preside at all meetings
of stockholders and of the Board of Directors, shall have general management of
the business of the Corporation and shall have supervisory authority over the
general policies and business of the Corporation, and may sign and execute all
instruments, stock certificates, bonds, contracts, and





                                      -12-
<PAGE>   16
other obligations and documents in the name of the Corporation and shall
exercise such other powers as the Board of Directors may from time to time
direct. The Chairman of the Board and Chief Executive Officer may exercise all
powers granted to the President by other provisions of these By-laws. The
Chairman of the Board and Chief Executive Officer may from time to time
delegate all, or any, of his powers and duties to one or more of the President
and any Vice Chairman of the Board.

         Section 1B. Vice Chairman of the Board. Each Vice Chairman of the
Board shall have such powers and duties as may be delegated to such Vice
Chairman by the Chairman of the Board and Chief Executive Officer. In addition,
in the absence of the Chairman of the Board and Chief Executive Officer, the
Vice Chairman of the Board present senior in age shall preside at all meetings
of stockholders and of the Board of Directors.

         Section 2. President. The President shall, subject to the powers of
supervision and control conferred upon the Chairman of the Board and Chief
Executive Officer, be the chief operating officer of the Corporation and shall
have all necessary powers to discharge such responsibility including the powers
to sign and execute all authorized instruments, bonds, contracts and other
obligations in the name of the Corporation and such other powers as the Board
of Directors may from time to time direct. In the event that the office of the
Chairman of the Board and Chief Executive Officer is unfilled, the President
shall in addition have the authority and responsibilities of the Chairman of
the Board and Chief Executive Officer as specified in Section 1A of this
Article.





                                      -13-
<PAGE>   17
         Section 3. Executive Vice Presidents, Senior Vice Presidents, and Vice
Presidents. Each Executive Vice President, Senior Vice President, or Vice
President shall exercise general supervision and have executive control of such
departments of the Corporation's business, or perform such other executive
duties as shall from time to time be assigned to him by the Board of Directors
or by the President. The Board of Directors shall have the power to designate
particular areas of authority and responsibility of an Executive Vice
President, Senior Vice President, or Vice President and to indicate such
designation in such officer's title. In case of the absence or disability of
the President, each Executive Vice President (without regard to whether his
title specifies particular areas of authority and responsibility) and each
Senior Vice President and Vice President whose title does not designate
specific areas of authority and responsibility shall be vested with all the
powers of the President in respect of the signing and execution of any
contracts or other papers requiring the signature of the President. In the case
of each Senior Vice President or Vice President whose title indicates one or
more specific areas of authority and responsibility, such Senior Vice
President's or Vice President's authority and responsibilities shall be limited
to the area or areas designated in such Senior Vice President's or Vice
President's title as specified by the Board of Directors.





                                      -14-
<PAGE>   18
         Section 4. Secretary. The Secretary shall keep the minutes of the
meetings of the stockholders and of the Board of Directors and of the Executive
Committee, in books provided for the purpose; he shall see that all notices are
duly given in accordance with the provision of these By-laws, or as required by
law; he shall be custodian of the records and of the corporate seals of the
Corporation; he shall see that the corporate seal is affixed to all documents,
the execution of which, on behalf of the Corporation, under its seal, is duly
authorized, and when so affixed may attest the same; and, in general, he shall
perform all duties incident to the office of a Secretary of a corporation, and
such other duties, as, from time to time, may be assigned to him by the Board
of Directors. The Secretary may sign, with the President or a Vice President,
certificates of the stock of the Corporation. The Secretary shall be sworn to
the faithful discharge of his duty.

         Section 5. Controller. The Controller shall have charge of the
supervision of the accounting system of the Corporation, including the
preparation and filing of all reports required by law to be made to any public
authorities and officials. He shall perform such other duties as are usually
associated with his office or as shall be assigned to him by the Board of
Directors or the President.

         Section 6. Treasurer. The Treasurer shall have charge of and be
responsible for all funds, securities, receipts and disbursements of the
Corporation, and shall deposit, or cause to be deposited, in the name of the
Corporation, all moneys or other valuable effects in such banks, trust
companies or other depositories as shall, from time to time, be selected by the
Board of Directors; he shall render to the President and to the Board of





                                      -15-
<PAGE>   19
Directors, whenever requested, an account of the financial condition of the
Corporation; he may sign, with the President or a Vice President, certificates
of stock of the Corporation; and, in general, shall perform all the duties
incident to the office of a treasurer of a corporation, and such other duties
as may be assigned to him by the Board of Directors.

         Section 7. Assistant Officers. Each assistant officer shall perform
such duties and have such responsibilities as may be delegated to him by the
superior officer to whom he is made responsible by, designation of the
President, or as the Board of Directors may prescribe. The Board of Directors
may, from time to time, authorize any executive officer to appoint and remove
assistant officers and prescribe the powers and duties thereof.

         Section 8. Officers Holding Two or More Offices. Any two of the
above-mentioned offices, except those of President and a Vice President or
President and Secretary, may be held by the same person, but no officer shall
execute, acknowledge or verify any instrument in more than one capacity, if
such instrument be required by law, by the Certificate of Incorporation, or by
these By-laws, to be executed, acknowledged or verified by any two or more
officers.

         Section 9. Voting of Other Stock. Unless specifically directed
otherwise by resolution of the Board of Directors, the President shall have
full power and authority on behalf of the Corporation to vote the stock of any
other corporation owned or held by the Corporation at any meeting of the
stockholders of such other corporation, or to execute the written consent of
this Corporation to any action that may be taken by the stockholders of such





                                      -16-
<PAGE>   20
other corporation without a meeting.

         Section 10. Compensation. The Board of Directors shall have power to
fix the compensation of all officers of the Corporation. It may authorize any
officer, upon whom the power of appointing subordinate officers may have been
conferred, to fix the compensation of such subordinate officers.

         Section 11. Removal. Any officer of the Corporation may be removed,
with or without cause, by the Board of Directors at a meeting called for that
purpose, or (except in case of an officer elected by the Board of Directors) by
an officer upon whom such power of removal may have been conferred.

         Section 12. Indemnification. The Corporation shall indemnify any
person (including the heirs, executors or administrators of such a person) who
was or is a party or is threatened to be made a party to any threatened,
pending or completed action, suit or proceeding, by reason of the fact that he
is or was a director, officer, employee or agent of the Corporation or is or
was serving at the request of the Corporation as a director, officer, employee
or agent of another corporation, partnership, joint venture, trust or other
enterprise, in accordance with and to the fullest extent permitted by the
General Corporation Law of Delaware as same may be amended from time to time,
including the advancement of expenses incurred by the indemnified person in
defending any such threatened, pending or completed action, suit or
proceedings. To the extent the present or former spouse(s) of any party
indemnified hereunder is made a party or is threatened to be made a party to
any threatened, pending or completed action, suit





                                      -17-
<PAGE>   21
or proceeding solely by virtue of his or her marital relationship to such
indemnified party, such spouse shall be indemnified hereunder to the fullest
extent permitted by the General Corporation Law of Delaware as same may be
amended from time to time.  Except as the Board of Directors of the Corporation
in its discretion (but subject to applicable law) may otherwise determine, such
indemnification shall be afforded only if such person within five (5) business
days after his becoming aware of the institution of such action, suit or
proceeding, shall have notified in writing by registered or certified mail, the
President or Secretary of the Corporation of the institution of such action,
suit or proceeding, and shall have furnished such President or Secretary with
true copies of all papers served upon or otherwise received by such person
relating to such action, suit or proceeding, and shall make available to
officers or counsel of the Corporation all information necessary to keep the
Corporation currently advised as to the status of such action, suit, or
proceeding, and permit the Corporation, at its option and expense, at any time
during the course of such action, suit or proceeding, through counsel of the
Corporation's choosing to participate in or direct the defense thereof in good
faith, and in case of any proposed settlement of any action, suit or proceeding
the defense of which is not directed by the Corporation, to submit the proposed
terms and conditions thereof to the Board of Directors of the Corporation for
their approval, failing which no indemnification hereunder shall be afforded
for any such settlement. Such indemnification as hereinabove provided shall not
be deemed exclusive of any other rights to which those indemnified may be
entitled under any agreement, vote of stockholders or disinterested directors,
or otherwise.





                                      -18-
<PAGE>   22
                                   ARTICLE VI

                                  Fiscal Year

         The fiscal year of the Corporation shall end on the thirty-first day
of July in each year, or on such other day as may be fixed from time to time by
the Board of Directors.





                                      -19-
<PAGE>   23
                                  ARTICLE VII

                                      Seal

         The Board of Directors shall provide a suitable seal, having inscribed
thereon the name of the Corporation, the year of its incorporation and such
other appropriate legend as may from time to time be determined by the Board of
Directors. If deemed advisable by the Board of Directors, a duplicate seal or
duplicate seals may be provided and kept for the necessary purposes of the
Corporation.





                                      -20-
<PAGE>   24
                                  ARTICLE VIII

                                     Stock

         Section 1. Certificates. Certificates of stock shall be issued in such
form as may be approved by the Board of Directors and shall be signed by the
President, or a Vice President, and by the Treasurer, an Assistant Treasurer,
the Secretary or an Assistant Secretary, and sealed with the seal of the
Corporation; provided, however, that where any such certificate is signed by a
Transfer Agent and by a Registrar, the signature of any such President, Vice
President, Treasurer, Assistant Treasurer, Secretary or Assistant Secretary and
the seal of the Corporation upon such certificates may be facsimilies engraved
or printed thereon.

         Section 2. Transfer Agents and Registrars. The Board of Directors
shall have power and authority to make all such rules and regulations as it may
deem expedient concerning the issue, registration, and transfer of certificates
of stock, and may appoint Transfer Agents and Registrars thereof.

         Section 3. Closing of Books. The Board of Directors shall have power
to close the stock transfer books of the Corporation for a period not exceeding
sixty (60) days preceding the date of any meeting of stockholders or the date
for payment of any dividend or the date for the allotment of rights or the date
when any change or





                                      -21-
<PAGE>   25
conversion or exchange of capital stock shall go into effect; provided,
however, that in lieu of closing the stock transfer books as aforesaid, the
Board of Directors may fix in advance a date, not exceeding sixty (60) days
preceding the date of any meeting of stockholders or the date for the payment
of any dividend, or the date for the allotment of rights, or the date when any
change or conversion or exchange of capital stock shall go into effect, as a
record date for the determination of the stockholders entitled to notice of,
and to vote at, any such meeting, or entitled to receive payment of any such
dividend, or to any such allotment of rights, or to exercise the rights in
respect of any such change, conversion or exchange of capital stock, and in
such case only such stockholders as shall be stockholders of record on the date
so fixed shall be entitled to such notice of, and to vote at, such meeting, or
to receive payment of such dividend, or to receive such allotment of rights, or
to exercise such rights, as the case may be, notwithstanding any transfer of
any stock on the books of the Corporation after any such record date fixed as
aforesaid.

         Section 4. Lost, Mutilated, or Destroyed Certificates. In case any
certificate of stock is lost, mutilated or destroyed, the Board of Directors
may authorize the issue of a new certificate in place thereof upon such terms
and conditions as it may deem advisable.





                                      -22-
<PAGE>   26
                                   ARTICLE IX

                                   Signatures

         Section 1. Checks. All checks, drafts, notes or other obligations of
the Corporation shall be signed by the President and/or a Vice President,
and/or the Treasurer, Assistant Treasurer, Controller or by any person or
persons thereunto authorized by the Board of Directors or the Executive
Committee.

         Section 2. Endorsements. All endorsements, assignments, transfers,
stock powers or other instruments of transfer of securities standing in the
name of the Corporation shall be executed for and in the name of the
Corporation by the President or a Vice President, and the Secretary or an
Assistant Secretary, or by any person or persons thereunto authorized by the
Board of Directors or of the Executive Committee.

         Section 3. Proxies. Except as otherwise authorized or directed from
time to time by the Board of Directors or the Executive Committee, the
President of the Corporation, or in his absence or disability, a Vice President
of the Corporation, may authorize from time to time the signature and issuance
of proxies to vote upon, and/or of consents or waivers in respect of, shares of
stock of other corporations standing in the name of the Corporation. All such
proxies, consents or waivers shall be signed in the name of the Corporation by





                                      -23-
<PAGE>   27
the President or a Vice President and the Secretary or an Assistant Secretary.





                                      -24-
<PAGE>   28
                                   ARTICLE X

                               Notice of Meetings

         Whenever by law or by the Certificate of Incorporation or these
By-laws notice is required to be given to any director, officer, or
stockholders, it shall not be construed to mean personal notice, but such
notice may be given in writing by depositing the same in a United States post
office or letter box, in a post-paid, sealed wrapper addressed to such
director, officer or stockholder at his or her address as the same appears on
the books of the Corporation, and the time when the same shall be mailed shall
be deemed to be the time of the giving of such notice.

         Notice of the time, place and/or purpose of any meeting of
stockholders or of the Board of Directors or of the Executive Committee,
whether required by the By-laws or by any provision of law or otherwise, may be
dispensed with if every stockholder entitled to vote at such meeting shall
either attend in person or by proxy, or if every director or member of the
Executive Committee shall attend in person, or if every absent stockholder
entitled to vote at such meeting or every absent director or member of the
Executive Committee shall, in writing filed with the records of the meeting,
either before or after the holding thereof, waive such notice.





                                      -25-
<PAGE>   29
                                   ARTICLE XI

                                   Amendments

         These By-laws may be altered or amended by the affirmative vote of the
holders of a majority of the stock issued and outstanding and entitled to vote
thereon at any regular or special meeting of the stockholders, if notice of the
proposed alteration or amendment be contained in the notice of meeting, or by
the affirmative vote of a majority of the Board of Directors.





                                      -26-

<PAGE>   1
                                                                    EXHIBIT 5




                                 June 7, 1995



Holly Corporation
100 Crescent Court
Suite 1600
Dallas, Texas 75201

Ladies and Gentlemen:

                 We have acted as counsel to Holly Corporation, a Delaware
corporation (the "Company"), in connection with the preparation and filing by
the Company with the Securities and Exchange Commission of a Registration
Statement on Form S-3 (No. 33-59411) (the "Registration Statement") under the
Securities Act of 1933, as amended, relating to the proposed offering of up to
2,875,000 shares (the "Company Shares") of the common stock, par value $.01 per 
share, of the Company (the "Common Stock"), of which up to 1,500,000 shares 
will be issued and sold by the Company (the "Company Shares") and up to 
1,375,000 shares will be sold by certain existing stockholders of the Company 
(the "Secondary Shares").

                 In so acting, we have examined originals or copies, certified
or otherwise identified to our satisfaction, of the Restated Certificate of
Incorporation of the Company and such corporate records, agreements, documents
and other instruments, and such certificates or comparable documents of public
officials and of officers and representatives of the Company, and have made
such inquiries of such officers and representatives as we have deemed relevant
and necessary as a basis for the opinions hereinafter set forth.

                 In such examination, we have assumed the genuineness of all
signatures, the legal capacity of natural persons, the authenticity of all
documents submitted to us as originals, the conformity to original documents of
all documents submitted to us as certified or photostatic copies and the
authenticity of the originals of such latter documents.  As to all questions of
fact
<PAGE>   2



June 7, 1995
Page 2


material to this opinion that have not been independently established, we have
relied upon certificates or comparable documents of officers and
representatives of the Company.

                 Based on the foregoing, and subject to the qualifications
stated herein, we are of the opinion that:

                 1.       The Company is a corporation validly existing and in
good standing under the laws of the State of Delaware.

                 2.       The Company Shares have been duly authorized and,
when issued and delivered to the underwriters (the "Underwriters") against
payment therefor in accordance with the terms of the Purchase Agreement between
the Company, the Selling Stockholders, Merrill Lynch, Pierce, Fenner & Smith
Incorporated and CS First Boston Corporation, as representatives for the
Underwriters, will be validly issued, fully paid and nonassessable, and free of
preemptive rights.

                 3.       The Secondary Shares have been duly authorized,
validly issued and are fully paid and nonassessable and have not been issued in
violation of any preemptive rights.

                 The opinions expressed herein are limited to the corporate
laws of the State of Delaware and we express no opinion as to the effect on the
matters covered by this letter of the laws of any other jurisdiction.

                 The opinions expressed herein are rendered solely for your
benefit in connection with the transactions described herein.  Those opinions
may not be used or relied upon by any other person, nor may this letter or any
copies thereof be furnished to a third party, filed with a governmental agency,
quoted, cited or otherwise referred to without our prior written consent,
except that we hereby consent to the filing of this opinion as an exhibit to
the Registration Statement.  Consent also is given to the reference to this
firm under the caption "Legal Matters" in the Prospectus forming a part of the
Registration Statement.

                               Very truly yours,



                               /s/ WEIL, GOTSHAL & MANGES


<PAGE>   1
 
                                                                    EXHIBIT 23.2
 
               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
 
     We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-3) and the related Prospectus of Holly
Corporation for the registration of 2,875,000 shares of its common stock and to
the inclusion therein of our report dated September 20, 1994, with respect to
the consolidated financial statements of Holly Corporation included in its
Annual Report (Form 10-K) for the year ended July 31, 1994, filed with the
Securities and Exchange Commission.
 
   
                                            ERNST & YOUNG LLP
    
 
Dallas, Texas
   
June 7, 1995
    


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