PIEDMONT NATURAL GAS CO INC
10-K405, 1998-01-26
NATURAL GAS DISTRIBUTION
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<PAGE>   1
 
================================================================================
 
                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                               ------------------
 
                                   FORM 10-K
 
<TABLE>
<CAPTION>
(MARK ONE)
<C>        <S>
   [X]     ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF
           THE SECURITIES EXCHANGE ACT OF 1934
           (NO FEE REQUIRED)
           FOR THE FISCAL YEAR ENDED OCTOBER 31, 1997
                                        OR
   [  ]    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF
           THE SECURITIES EXCHANGE ACT OF 1934 (NO FEE REQUIRED)
           FOR THE TRANSITION PERIOD FROM ____________ TO____________
</TABLE>
 
                         COMMISSION FILE NUMBER 1-6196
 
                               ------------------
 
                       PIEDMONT NATURAL GAS COMPANY, INC.
             (Exact name of registrant as specified in its charter)
 
<TABLE>
<C>                                                  <C>
             NORTH CAROLINA
     (State or other jurisdiction of                                56-0556998
     incorporation or organization)                    (I.R.S. Employer Identification No.)
 
   1915 REXFORD ROAD, CHARLOTTE, NORTH
                CAROLINA                                               28211
(Address of principal executive offices)                            (Zip Code)
</TABLE>
 
       Registrant's telephone number, including area code (704) 364-3120
 
                               ------------------
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT:
 
<TABLE>
<CAPTION>
         TITLE OF EACH CLASS           NAME OF EACH EXCHANGE ON WHICH REGISTERED
         -------------------           -----------------------------------------
<C>                                    <C>
     Common Stock, no par value                 New York Stock Exchange
</TABLE>
 
     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.  Yes X     No __
 
     Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.  [X]
 
     State the aggregate market value of the voting stock held by nonaffiliates
of the registrant as of January 9, 1998.
                   Common Stock, no par value -- $949,208,114
 
     Indicate the number of shares outstanding of each of the registrant's
classes of common stock, as of the latest practicable date.
 
<TABLE>
<CAPTION>
                CLASS                     OUTSTANDING AT JANUARY 9, 1998
                -----                     ------------------------------
<C>                                    <C>
     Common Stock, no par value                     30,298,404
</TABLE>
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
     Portions of the Proxy Statement for the Annual Meeting of Shareholders on
February 27, 1998, are incorporated by reference into Part III.
 
================================================================================
<PAGE>   2
                       PIEDMONT NATURAL GAS COMPANY, INC.



                          1997 FORM 10-K ANNUAL REPORT





                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
Part I.                                                                           Page

<S>                                                                               <C>
     Item 1.         Business                                                       1
     Item 2.         Properties                                                     6
     Item 3.         Legal Proceedings                                              6
     Item 4.         Submission of Matters to a Vote of Security Holders            6

Part II.

     Item 5.         Market for Registrant's Common Equity and
                        Related Stockholder Matters                                 7
     Item 6.         Selected Financial Data                                        8
     Item 7.         Management's Discussion and Analysis of Financial
                        Condition and Results of Operations                         8
     Item 8.         Financial Statements and Supplementary Data                   17
     Item 9.         Changes in and Disagreements with Accountants on
                       Accounting and Financial Disclosure                         38

Part III.

     Item 10.        Directors and Executive Officers of the Registrant            39
     Item 11.        Executive Compensation                                        42
     Item 12.        Security Ownership of Certain Beneficial Owners
                        and Management                                             42
     Item 13.        Certain Relationships and Related Transactions                42

Part IV.

     Item 14.        Exhibits, Financial Statement Schedule, and
                        Reports on Form 8-K                                        43

                     Signatures                                                    51

</TABLE>


<PAGE>   3



                                     PART I
Item 1.  Business

         Piedmont Natural Gas Company, Inc. (the Company), incorporated in 1950,
is an energy and services company primarily engaged in the transportation and
sale of natural gas and the sale of propane to over 648,000 residential,
commercial and industrial customers in North Carolina, South Carolina and
Tennessee.

         The Company is the second-largest natural gas utility in the southeast,
serving over 600,000 natural gas customers. The Company and its non-utility
subsidiaries and divisions are also engaged in acquiring, marketing and
arranging for the transportation and storage of natural gas for large-volume
purchasers, and in the sale of propane to over 48,000 customers in the Company's
three-state service area.

         In the Carolinas, the service area is comprised of numerous cities,
towns and communities including Anderson, Greenville and Spartanburg in South
Carolina and Charlotte, Salisbury, Greensboro, Winston-Salem, High Point,
Burlington and the Hickory area in North Carolina. In Tennessee, the service
area is the metropolitan area of Nashville, including portions of eight
adjoining counties. The Company's propane market is in and adjacent to its
natural gas market in all three states.

         Operating revenues shown in the consolidated financial statements
represent revenues from utility operations only. Such revenues totaled
$775,517,000 for the year ended October 31, 1997, of which 41% was from
residential customers, 25% from commercial customers, 25% from industrial
customers, 8% from secondary market sales and 1% from various sources. Revenues
from non-utility operations, less related costs and income taxes, are shown in
the consolidated financial statements in other income. Non-utility revenues as a
percentage of total revenues, including utility operations, were 5% in 1997. No
single non-utility activity accounted for greater than 4% of total revenues.
Income from non-utility activities as a percentage of total net income was 5% in
1997. No single non-utility activity accounted for more than 2% of net income.

         The Company is principally engaged in the gas distribution industry and
has no other reportable industry segments.

         The Company's utility operations are subject to regulation by the North
Carolina Utilities Commission (NCUC) and the Tennessee Regulatory Authority
(TRA) as to the issuance of securities, and by those commissions and by the
Public Service Commission of South Carolina (PSCSC) as to rates, service area,

                                        1

<PAGE>   4



adequacy of service, safety standards, extensions and abandonment of facilities,
accounting and depreciation. The Company is also subject to or affected by
various federal regulations.

         The Company holds non-exclusive franchises for natural gas service in
all communities where required, with expiration dates from 1998 to 2044. The
earliest date at which a franchise for a major service area expires is 1999. The
franchises are adequate for operation of the gas distribution business and do
not contain restrictions which are of a materially burdensome nature. In most
cases, the loss of a franchise would not have a material effect on operations.
The Company has never failed to obtain the renewal of a franchise; however, this
is not necessarily indicative of future action.

         The Company's utility business and its non-utility propane activities
are seasonal in nature as variations in weather conditions generally result in
greater earnings during the winter months. The Company normally injects natural
gas into storage during periods of warm weather (principally April 1 through
October 31) for withdrawal from storage during periods of cold weather
(principally November 1 through March 31) when sufficient quantities of flowing
pipeline gas are not available to meet customer demand. During 1997, the amount
of natural gas in storage varied from 5.9 million dekatherms (one dekatherm
equals 1,000,000 BTUs) to 18.1 million dekatherms, and the aggregate commodity
cost of this gas in storage varied from $13,477,000 to $42,459,000.

         The following is a five-year comparison of gas sales and other
statistics for the years ended October 31, 1993 through 1997:

<TABLE>
<CAPTION>
                                                    1997          1996         1995         1994         1993
                                                  --------      --------     --------     --------     --------
<S>                                               <C>           <C>          <C>          <C>          <C>     
OPERATING REVENUES (in thousands):
  Sales and Transportation:
    Residential                                   $319,722      $292,010     $229,546     $240,314     $221,632
    Commercial                                     195,862       180,415      135,933      165,805      154,894
    Industrial                                     191,565       184,118      133,205      165,989      173,943
    For Resale                                         266         2,748        3,323          815            1
                                                  --------      --------      -------     --------     --------

     Total                                         707,415       659,291      502,007      572,923      550,470
  Secondary Market Sales                            64,411        22,152            -            -            -
  Miscellaneous                                      3,691         3,612        3,216        2,431        2,290
                                                  --------      --------     --------     --------     --------

     Total                                        $775,517      $685,055     $505,223     $575,354     $552,760
                                                  ========      ========     ========     ========     ========

GAS VOLUMES - DEKATHERMS (in thousands):
  System Throughput:
    Residential                                     38,339        43,357       33,513       36,093       34,277
    Commercial                                      28,476        31,040       22,867       28,931       28,179
    Industrial                                      68,236        64,054       67,735       60,966       57,505
    For Resale                                          27           581        1,478          140          192
                                                   -------      --------     --------      -------      -------

     Total                                         135,078       139,032      125,593      126,130      120,153
                                                  ========      ========     ========      =======      =======

  Secondary Market Sales                            24,547         9,724            -            -            -
</TABLE>


                                        2

<PAGE>   5


<TABLE>
<CAPTION>
                                                    1997          1996         1995         1994         1993
                                                  --------      --------     --------     --------     --------
<S>                                               <C>           <C>          <C>          <C>          <C>     
NUMBER OF RETAIL CUSTOMERS BILLED (12 month average):
    Residential                                    495,739       468,803      446,118      420,861      396,394
    Commercial                                      62,258        59,905       57,803       56,147       54,451
    Industrial                                       2,697         2,687        2,711        2,010        1,822
                                                  --------       -------      -------      -------      -------

     Total                                         560,694       531,395      506,632      479,018      452,667
                                                  ========       =======      =======      =======      =======

AVERAGE PER RESIDENTIAL CUSTOMER:
    Gas Used - Dekatherms                            77.34         92.48        75.12        85.76        86.47
    Revenue                                        $644.94       $622.88      $514.54      $571.00      $559.12
    Revenue Per Dekatherm                            $8.34         $6.73        $6.85        $6.66        $6.47

COST OF GAS (in thousands):
    Natural Gas Purchased                         $362,249      $327,968     $155,683     $242,609     $267,217
    Liquefied Petroleum Gas (LPG)                       77           160           60          204            -
    Transportation Gas Received (Not
      Delivered)                                    (1,840)        1,024         (181)        (616)        (216)

    Natural Gas Withdrawn from
      (Injected into) Storage, net                   2,597        (8,078)       6,094        4,106         (894)
    Other Storage                                      318           (40)         860        1,058          316
    Other Adjustments                               97,264        73,099       85,051       93,214       62,465
                                                  --------      --------     --------     --------     --------

        Total                                     $460,665      $394,133     $247,567     $340,575     $328,888
                                                  ========      ========     ========     ========     ========

COST OF GAS PER DEKATHERM OF GAS SOLD                $3.81         $3.17        $2.76        $3.29        $3.11

SUPPLY AVAILABLE FOR DISTRIBUTION - DEKATHERMS (in thousands):
    Natural Gas Purchased                          129,797       127,799       86,372      106,556      106,507
    LPG                                                 10           121           13           52            -
    Transportation Gas                              32,026        24,550       41,589       22,299       14,281
    Natural Gas Withdrawn from (Injected
      into) Storage, net                                (3)       (1,142)        (750)      (1,646)         (41)
    Other Storage                                       16            16          (15)          25           33
    Company Use                                       (121)         (152)        (118)        (159)        (171)
                                                  --------       -------      -------      -------      -------

     Total                                         161,725       151,192      127,091      127,127      120,609
                                                  ========       =======      =======      =======      =======

UTILITY CAPITAL EXPENDITURES (in thousands)        $93,482       $98,258     $100,825     $105,787      $84,242

GAS MAINS - MILES OF 3" EQUIVALENT                  17,800        16,900       16,700       16,300       15,900

DEGREE DAYS - SYSTEM AVERAGE:
    Actual                                           3,471         3,993        3,144        3,567        3,659
    Normal                                           3,611         3,606        3,617        3,630        3,637
    Percentage of Actual to Normal                     96%          111%          87%          98%         101%

PROPANE OPERATIONS:
    Revenues (in thousands)                        $36,816       $44,046      $33,414      $34,972      $32,120
    Volumes Sold (gallons in millions)                36.7          49.3         38.4         41.3         37.2
    Customers (at year end)                         48,100        48,100       48,500       46,900       42,600
</TABLE>


         During 1997, the Company delivered 135.1 million dekatherms of natural
gas to its customers, of which 32.7 million dekatherms were transported for
large industrial customers. This compares with 139 million dekatherms delivered
in 1996, of which 24.4 million dekatherms were transported. In addition to this
system throughput, secondary-market sales volumes increased to 24.5 million
dekatherms in 1997 compared with 9.7 million dekatherms in 1996.

         Sales to temperature-sensitive customers, whose consumption varies with
the weather, were 66.8 million dekatherms in 1997, compared with 74.4 million
dekatherms in 1996. Weather which was

                                        3

<PAGE>   6



4% warmer than normal was experienced in 1997, compared with 11%
colder-than-normal weather in 1996. The Company sold or transported 68.2 million
dekatherms to industrial users in 1997, compared with 64.1 million dekatherms in
1996. Industrial sales are the most price-sensitive of the Company's markets and
are largely a function of the Company's ability to obtain supplies of natural
gas competitively priced with other industrial fuels.

         Except as set forth below, all natural gas distributed is transported
to the Company by one of eight interstate pipelines, Transcontinental Gas Pipe
Line Corporation (Transco), Tennessee Gas Pipeline Company (Tennessee Pipeline),
Texas Eastern Transmission Corporation (Texas Eastern), Columbia Gas
Transmission Company (Columbia Gas), Columbia Gulf Transmission Corporation
(Columbia Gulf), National Fuel Gas Supply Corporation (National Fuel), Texas Gas
Transmission Corporation (Texas Gas) and CNG Transmission Corporation (CNG).

         As of November 1, 1997, the Company has contracted to purchase the
following daily pipeline firm transportation capacity in dekatherms of natural
gas:

<TABLE>
<S>                                                                <C>    
  Transco (including certain upstream arrangements with CNG, 
    Texas Gas and National Fuel)                                   487,600
  Tennessee Pipeline                                                74,100
  Texas Eastern                                                      1,700
  Columbia Gas (through arrangements with Transco 
    and Columbia Gulf)                                              36,000
  Columbia Gulf                                                      5,000
                                                                   -------
    Total                                                          604,400
                                                                   =======
</TABLE>

         The Company has the following additional daily peaking capacity in
dekatherms of natural gas through local peaking facilities, storage contracts
and third party city gate arrangements to meet the firm demands of its markets.
This availability varies from five days to one year.

<TABLE>
<S>                                                               <C>    
   Liquefied Natural Gas                                          230,000
   Liquefied Petroleum Gas                                          8,000
   Transco Storage                                                 86,000
   Columbia Gas Storage                                            72,000
   Tennessee Pipeline Storage                                      55,900
   CNG Storage                                                      7,000
   Third Party City Gate Arrangements                              37,100
                                                                  -------
     Total                                                        496,000
                                                                  =======
</TABLE>

         The Company utilizes a "best cost" gas purchasing philosophy that seeks
to purchase gas on a short- or long-term basis by weighing cost against supply
security and reliability factors. Of the 129.8 million dekatherms of natural gas
purchased in 1997, approximately 14% was purchased under short-term contracts of
less than one year, 14% under contracts of from one to three years and 72% under
contracts of over three years.

         The Company owns or has under contract 21.3 million dekatherms of
storage capacity, either in the form of underground storage or liquefied natural
gas. This capability is used to


                                        4

<PAGE>   7



supplement regular pipeline supplies on colder winter days when demand
increases.

         For further information on gas supply and regulation, see "Gas Supply
and Rate Proceedings" included in Management's Discussion and Analysis of
Financial Condition and Results of Operations in Item 7 of this report.

         Currently, approximately 36% of annual gas deliveries are made to
industrial or large commercial customers who have the capability to burn a fuel
other than natural gas. The alternative fuels are primarily fuel oil or propane
and, to a much lesser extent, coal or wood. The ability to maintain or increase
deliveries of gas to these customers depends on a number of factors, including
weather conditions, governmental regulations, the price of gas from suppliers
and the price of alternate fuels. Under existing regulations of the FERC, it is
possible for certain large commercial or industrial customers located in
proximity to the interstate pipelines delivering gas to the Company to bypass
the Company and take delivery of gas directly from the pipeline or from a third
party connecting with the pipeline. To date, the Company has experienced only
minimal bypass activity in part because of the Company's ability to negotiate
competitive rates and service terms.

         In the residential and small commercial markets, natural gas competes
primarily with electricity for such uses as cooking and water heating and with
electricity and fuel oil for space heating.

          During 1997, the Company's largest customer contributed $10,096,000,
or 1%, to total revenues.

         The amount of research and development costs incurred in connection
with Company-sponsored research is immaterial. The Company contributes to gas
industry-sponsored research projects; however, the amounts contributed to such
projects are minimal.

         Compliance with federal, state and local environmental protection laws
had no material effect on capital expenditures, earnings or competitive position
during 1997. For further information on environmental issues, see "Environmental
Matters" included in Management's Discussion and Analysis of Financial Condition
and Results of Operations in Item 7 of this report.

         As of October 31, 1997, the Company had 1,904 employees, compared with
1,973 employees as of October 31, 1996.



                                        5

<PAGE>   8


Item 2.  Properties

         The Company's properties consist primarily of distribution systems and
related facilities to serve its utility customers. The Company has constructed
and owns approximately 495 miles of lateral pipelines up to 16 inches in
diameter which connect the distribution systems of the Company with the
transmission systems of its pipeline suppliers. Natural gas is distributed
through approximately 17,800 miles (three-inch equivalent) of distribution
mains. The lateral pipelines and distribution mains are located on or under
public streets and highways, or private property with the permission of the
individual owners.

         The Company either owns or leases for varying periods district and
regional offices for its utility and non-utility operations.


Item 3.  Legal Proceedings

         There are a number of lawsuits pending against the Company for damages
alleged to have been caused by negligence of employees. The Company has
liability insurance which it believes is adequate to cover any material
judgments which may result from these lawsuits.


Item 4.  Submission of Matters to a Vote of Security Holders

         None.

                                        6

<PAGE>   9



                                     PART II


Item 5.  Market for Registrant's Common Equity and Related Stockholder Matters

         (a) The Company's Common Stock is traded on the New York Stock Exchange
(NYSE). The following table provides information with respect to the high and
low sales prices on the NYSE (symbol PNY) for each quarterly period for the
years ended October 31, 1997 and 1996.

<TABLE>
<CAPTION>
  1997          High        Low                 1996          High        Low
- ----------      ----        ---              ----------       ----        ---
<S>             <C>         <C>              <C>              <C>         <C>
January 31      25 3/8      23               January 31       24 7/8      21
April 30        24 3/4      22               April 30         24 1/4      20 3/4
July 31         26 5/8      23 3/8           July 31          24 1/8      20 1/2
October 31      30 15/16    23 13/16         October 31       25 3/4      23 1/8
</TABLE>


         (b) As of January 9, 1998, the Company's Common Stock was owned by
19,207 shareholders of record.


         (c) Information with respect to quarterly dividends paid on Common
Stock for the years ended October 31, 1997 and 1996, is as follows:

<TABLE>
<CAPTION>
               Dividends Paid                                   Dividends Paid
  1997            Per Share                         1996           Per Share
- ----------     --------------                    ----------     --------------

<S>            <C>                                <C>           <C>       
January 31        29  (cent)                     January 31        27.5(cent)
April 30          30.5(cent)                     April 30          29  (cent)
July 31           30.5(cent)                     July 31           29  (cent)
October 31        30.5(cent)                     October 31        29  (cent)
</TABLE>

         The Company's articles of incorporation and note agreements under which
long-term debt was issued contain provisions which restrict the amount of cash
dividends that may be paid on Common Stock. As of October 31, 1997, all of the
Company's retained earnings was free of such restrictions.


                                        7

<PAGE>   10



Item 6.  Selected Financial Data

         Selected financial data for the years ended October 31, 1993 through
1997, is as follows:

<TABLE>
<CAPTION>
                                                     1997          1996          1995          1994           1993
                                                  ----------    ----------     --------      --------       --------
                                                               (in thousands except per share amounts)
<S>                                                 <C>           <C>          <C>           <C>            <C>     
Margin                                              $314,852      $290,922     $257,656      $234,779       $223,872
Operating Revenues                                  $775,517      $685,055     $505,223      $575,354       $552,760
Net Income                                           $54,074       $48,562      $40,310       $35,506        $37,534
Earnings per Share of Common Stock                     $1.81         $1.67        $1.45         $1.35          $1.45
Cash Dividends Declared Per Share of
  Common Stock                                        $1.205        $1.145       $1.085        $1.025          $.965
Average Shares of Common Stock Outstanding            29,883        29,161       27,890        26,346         25,960
Total Assets                                      $1,098,156    $1,067,086     $964,895      $889,233       $797,748
Long-Term Debt (less current maturities)            $381,000      $391,000     $361,000      $313,000       $278,000
Rate of Return on Average Common Equity                13.42%        13.11%       12.27%        12.10%         13.65%
Long-Term Debt to Total Capitalization Ratio           47.58%        50.32%       50.42%        50.89%         49.38%
</TABLE>



Item 7.  Management's Discussion and Analysis of Financial
Condition and Results of Operations

Liquidity and Capital Resources

         The gas distribution business is highly weather sensitive and seasonal
and requires the use of short-term debt at times to meet working capital
requirements. This weather sensitivity and seasonality cause short-term cash
requirements to vary significantly during the year. Short-term debt is also used
to finance construction pending the issuance of long-term debt or equity.

         The Company has committed bank lines of credit totaling $75,000,000 to
finance cash requirements not generated internally. Additional uncommitted lines
are also available on an as needed, if available, basis. Borrowings under the
lines include bankers' acceptances, transactional borrowings and overnight
cost-plus loans based on the lending bank's cost of money, with a maximum rate
of the lending bank's commercial prime interest rate. Outstanding borrowings
against the lines of credit during 1997 ranged from zero to a high of
$60,000,000 and interest rates ranged from 5.40% to 7.15% during the year. At
October 31, 1997, $25,000,000 of short-term debt was outstanding at a weighted
average interest rate of 5.83%.

         The Company had $391,000,000 of long-term debt outstanding at October
31, 1997. Annual sinking fund requirements and maturities of this debt are
$10,000,000 in 1998 through 2000,

                                        8

<PAGE>   11



$40,000,000 in 2001 and $10,000,000 in 2002. Long-term debt retired in 1997
totaled $10,000,000.

         At October 31, 1997, the Company's capitalization ratio consisted of
48% long-term debt and 52% common equity. The embedded cost of long-term debt at
that date was 8.33%. The return on average common equity in 1997 was 13.42%.

         Cash provided from operations and from the issuance of Common Stock
through dividend reinvestment and stock purchase plans was sufficient to fund
capital expenditures of $95,076,000, payments of debt principal and interest of
$43,324,000 and dividend payments to shareholders of $36,008,000.

         The Company's capital expansion program is very important in meeting
the growth in the demand for natural gas evidenced by the growth in the customer
base. Capital expenditures for 1997 were $93,482,000 for utility operations and
$1,594,000 for non-utility activities. Capital expenditures totaling
$100,303,000 for utility operations, primarily to serve customer growth, and
$1,920,000 for non-utility activities are budgeted for 1998.

Competition and Accounting for Regulated Activities

         The natural gas industry, including producers, pipelines and local gas
distribution companies (LDCs), has undergone significant changes in recent years
as it moves toward a more deregulated marketplace. In response to the changing
competitive situation, the Company is assessing the nature of its business and
is exploring alternatives to the traditional utility role of purchase, sale and
transportation of natural gas. Non-traditional ratemaking initiatives and
market-based pricing of products and services will provide additional challenges
and opportunities for the Company. The Company anticipates that opportunities
for non-regulated sales will increase as competition intensifies and further
retail market unbundling occurs.

         The Company accounts for its regulated activities in accordance with
Statement of Financial Accounting Standards (SFAS) No. 71,"Accounting for the
Effects of Certain Types of Regulation" (FAS 71). FAS 71 provides that
rate-regulated public utilities account for and report assets and liabilities
consistent with the economic effect of the manner in which independent
third-party regulators establish rates. In applying FAS 71, the Company has
capitalized certain costs and benefits as regulatory assets and liabilities,
respectively, pursuant to orders of the state utility regulatory commissions,
either in

                                        9

<PAGE>   12



general rate proceedings or expense deferral proceedings, in order to provide
for recovery of or refunds to utility customers in future periods. As
competition increases and the Company is further subjected to the impact of
deregulation, the Company may not be able to continue to apply FAS 71 to all or
parts of its business. If this were to occur, the Company would be required to
apply accounting standards utilized by non-regulated enterprises. At such time
as the Company determines that the provisions of FAS 71 no longer apply, costs
previously deferred as regulatory assets in the consolidated balance sheet would
be eliminated. The composition and amount of regulatory assets are shown in Note
1 to the consolidated financial statements.

         While the Company believes the provisions of FAS 71 continue to apply
to its regulated operations, the changing nature of the business requires
continual assessment of the impact of those changes on its accounting policies.

Gas Supply and Regulatory Proceedings

         To meet customer requirements, the Company must acquire sufficient gas
supplies and pipeline capacity to ensure delivery to its distribution system
while also ensuring that supply and capacity levels will allow it to remain
competitive. The Company has a diversified portfolio of local peaking
facilities, transportation and storage contracts with interstate pipelines and
supply contracts with major producers and marketers to satisfy the supply and
deliverability requirements of its customers.

         In the Company's opinion, present rules and regulations of the North
Carolina Utilities Commission (NCUC), the Public Service Commission of South
Carolina (PSCSC) and the Tennessee Regulatory Authority (TRA) permit the pass
through of interstate pipeline capacity and storage service costs and similar
costs that may be incurred under orders or regulations of the FERC. The majority
of the Company's natural gas supply is purchased from sources in non-regulated
transactions. The Company is permitted to recover 100% of its prudently incurred
gas costs, subject to annual prudence reviews in North Carolina and South
Carolina covering historical twelve-month periods. For the latest applicable
periods, the NCUC and the PSCSC found the Company to be prudent in its gas
purchasing practices and allowed 100% recovery of its gas costs.

         In May 1996, the TRA approved a two-year experimental performance
incentive plan effective July 1, 1996. The plan eliminates annual prudence
reviews and establishes an incentive sharing mechanism based on differences in
the actual cost of gas

                                       10

<PAGE>   13



purchased and benchmark rates, together with income from marketing
transportation and storage capacity in the secondary market, subject to an
overall annual cap of $1,600,000 on gains or losses by the Company. Secondary
market transactions include sales for resale, off-system sales, capacity release
and other interstate transactions designed to reduce fixed gas costs during
off-peak periods. The benefits of the incentive plan are the elimination of
annual gas purchase prudence reviews, reduction of gas costs for ratepayers and
potential earnings to shareholders by sharing in gas cost reductions.

         Secondary market transactions permit the Company to market short-term
gas supplies and transportation services by contract with its customers. These
sales contribute the smallest per-unit margin; however, the program allows the
Company to act as an independent marketer of natural gas and provide
transportation in order to generate operating margin from sources not restricted
by the capacity of the Company's distribution system. In North Carolina, a
sharing mechanism is in effect where 75% of any margin earned is refunded to
firm customers. Sales in Tennessee are included in the rate-sharing mechanism
under the performance incentive plan discussed above.

         Approximately 36% of annual gas deliveries are made to industrial or
large commercial customers who have the capability to burn a fuel other than
natural gas. The alternative fuels are primarily fuel oil or propane and, to a
much lesser extent, coal or wood. The ability to maintain or increase deliveries
of gas to these customers depends on a number of factors, including weather
conditions, governmental regulations, the price of gas from suppliers and the
price of alternate fuels. Under existing regulations of the FERC, it is possible
for certain large commercial or industrial customers located in proximity to the
interstate pipelines delivering gas to the Company to bypass the Company and
take delivery of gas directly from the pipeline or from a third party connecting
with the pipeline. To date, the Company has experienced only minimal bypass
activity in part because of the Company's ability to negotiate competitive rates
and service terms. The future level of bypass activity cannot be predicted.

         The NCUC, in 1996, ordered the establishment of an expansion fund for
the Company and approved initial funding to enable the extension of natural gas
service into unserved areas of the state. The North Carolina State Treasurer
currently holds $17,912,000 in the Company's expansion fund account. This amount
along with other supplier refunds, including interest earned to date, is
included in restricted cash in the consolidated financial statements. The use of
such funds will be at the

                                       11

<PAGE>   14



discretion of the NCUC as individual project applications for unserved areas are
filed by the Company and approved by the NCUC. As of October 31, 1997, no funds
had been used for expansion.

         In 1994, the Company filed a petition with the NCUC for a certificate
of public convenience and necessity to serve four counties in North Carolina not
presently receiving natural gas service. The Company requested permission to use
expansion funds to offset a portion of the cost of the construction. Another
company also filed an application to serve the four counties; however, this
company did not request permission to use expansion funds. In January 1996, the
NCUC granted a final certificate to the competing applicant. The Company
appealed that order to the Supreme Court of North Carolina and in July 1997 the
Court ruled to uphold the decision of the NCUC awarding the franchise to the
competing applicant.

         In November 1995, the PSCSC issued an order permitting the Company to
increase its rates in South Carolina, effective November 7, 1995, by $7,800,000
annually. The Consumer Advocate for the State of South Carolina appealed the
order to the Circuit Court of Richland County, South Carolina. The Court
dismissed the appeal and affirmed the PSCSC's original order in its entirety in
May 1997. In August 1997, the Consumer Advocate filed an appeal with the Supreme
Court of South Carolina. The outcome of this appeal cannot be determined at this
time.

         In December 1996, the TRA issued an order in a general rate case
proceeding permitting the Company to increase its margin in Tennessee, effective
January 1, 1997, by $4,400,000 annually. The TRA's decision was confirmed by a
written decision in February 1997. The Tennessee Consumer Advocate filed several
pleadings with the TRA arguing, among other things, that the Company was not
entitled to recover the increased rates prior to the date of the TRA's February
order. All parties in this proceeding, including the Company, petitioned the TRA
to reconsider its February order. In June 1997, the TRA issued an order denying
all motions and upholding its previous orders. In August 1997, the Consumer
Advocate petitioned the Court of Appeals for a review of the TRA's orders. The
outcome of this proceeding cannot be determined at this time.

Results of Operations

         Net income for 1997 was $54,074,000, compared with $48,562,000 in 1996
and $40,310,000 in 1995. The increase in net income in 1997, compared with 1996,
was primarily due to regulatory rate changes which increased rates and updated
gas cost components, secondary market transactions and an increase in

                                       12

<PAGE>   15



interest income, partially offset by increases in operations and maintenance
expenses, depreciation, general taxes and utility interest charges. The increase
in net income in 1996, compared with 1995, was primarily due to regulatory rate
changes which increased rates and updated gas cost components, increased
delivered volumes to customers due to customer growth and 11% colder-than-normal
weather, secondary market transactions and increased earnings from propane
operations, partially offset by increases in operations and maintenance
expenses, depreciation, general taxes and utility interest charges. Compared
with the prior year, weather in the Company's service area was 13% warmer in
1997, 27% colder in 1996 and 12% warmer in 1995. Volumes of gas delivered to
customers were 135.1 million dekatherms in 1997, compared with 139 million
dekatherms in 1996, a decrease of 3%, and 125.6 million dekatherms in 1995. In
addition to this system throughput, secondary-market sales volumes increased to
24.5 million dekatherms in 1997 compared with 9.7 million dekatherms in 1996 and
zero in 1995.

         Operating revenues were $775,517,000 in 1997, $685,055,000 in 1996 and
$505,223,000 in 1995. The increase in operating revenues in 1997 over 1996 was
primarily due to higher rates from general rate increases in North Carolina and
Tennessee and increased volumes in secondary market sales. The increase in
operating revenues in 1996 over 1995 was primarily due to higher rates billed
from increased commodity costs of natural gas, increased delivered volumes to
weather-sensitive residential and commercial customers, the shift from
transportation to sales of gas and secondary market sales. The weather
normalization adjustment mechanism (WNA) in effect in all three states is
designed to offset the impact that unusually cold or warm weather has on
customer billings and margin. Weather 4% warmer than normal was experienced in
1997, compared with 11% colder-than-normal weather in 1996 and 13%
warmer-than-normal weather in 1995.

         In the Company's general rate proceedings, the state regulatory
commissions authorize the Company to recover a margin (applicable rate less cost
of gas) on each unit of gas sold. Each commission has also authorized the
Company to negotiate lower rates to certain of its industrial customers when
necessary to remain competitive. The Company is permitted to recover margin
losses resulting from these negotiated transactions through rates. The ability
to recover such negotiated margin reductions is subject to continuing regulatory
approvals.

         Cost of gas was $460,665,000 in 1997, $394,133,000 in 1996 and
$247,567,000 in 1995. The increase in 1997, compared with 1996, was primarily
due to increases in commodity costs billed to

                                       13

<PAGE>   16



customers and secondary market sales. The increase in 1996, compared with 1995,
was primarily due to an increase in delivered volumes, the shift from
transportation to sales, higher commodity prices from suppliers and higher
pipeline demand charges, partially offset by a decrease in reservation fees.
Increases or decreases in purchased gas costs from suppliers had no significant
impact on margin as substantially all changes were passed on to customers
through purchased gas adjustment procedures.

         Margin was $314,852,000 in 1997, $290,922,000 in 1996 and $257,656,000
in 1995. The increases were primarily due to regulatory approved changes and
rate increases and increased volumes of gas delivered, including secondary
market transactions. WNA surcharges of $10,599,000 and $10,415,000 were
collected in 1997 and 1995, respectively, compared with WNA credits of
$11,621,000 in 1996. The margin earned per dekatherm of gas delivered on the
system increased by $.21 in 1997 over 1996 and by $.04 in 1996 over 1995.

         Other operations and maintenance expenses increased from $110,497,000
to $126,849,000 over the three-year period 1995 to 1997. The increases were
primarily due to increases in outside labor and consulting fees, rents,
advertising, payroll and provisions for uncollectibles. As part of a plan to
reduce overall operating expenses and further prepare for increased competition,
the Company, in 1997, eliminated 93 positions which reduced the utility
workforce by 5% from the employee count as of the end of the previous fiscal
year. The workforce reduction plan resulted in a charge to operations expense of
$1,823,000 in the fourth quarter.

         Depreciation expense increased from $31,944,000 to $39,187,000 over the
three-year period 1995 to 1997 primarily due to the growth in plant in service.

         General taxes increased from $27,392,000 to $32,882,000 over the
three-year period 1995 to 1997 primarily due to increases in property taxes
resulting from rate increases and additions to taxable property and gross
receipts taxes on higher revenues.

         Other income, net of income taxes, decreased to $4,084,000 in 1997 from
$5,000,000 in 1996 primarily due to decreases in earnings from propane
operations and energy marketing services. Such decreases were partially offset
by increases in earnings from merchandise and jobbing operations and interest
earned on temporary cash investments. Other income, net of income taxes,
increased to $5,000,000 in 1996 from $4,476,000 in 1995

                                       14

<PAGE>   17



primarily due to increases from propane operations and interest earned on
temporary cash investments. Such increases were partially offset by decreases in
earnings from energy marketing services and merchandise operations.

         Utility interest charges were $33,996,000 in 1997, $31,067,000 in 1996
and $29,478,000 in 1995. The increases were primarily due to increases in the
balances outstanding on long-term debt and for 1997, to increases in the
balances outstanding on refunds due customers. For 1996, the increases were also
due to increases in the balances outstanding on short-term debt.

Environmental Matters

         The Company has owned, leased or operated manufactured gas plant (MGP)
facilities at 12 sites in its three-state service area, nine of which involve
other parties who either owned the property or operated the facilities. In
October 1997, the Company entered into a settlement with one of the third
parties pursuant to which the Company paid the third party $5,250,000. The third
party assumed responsibility for all costs of investigation, monitoring,
assessment, evaluation, removal, remedy or remedial action (Response Costs)
incurred at the nine MGP sites and indemnified the Company from any and all
actions, causes of action, claims and demands arising out of or relating to such
Response Costs. The settlement does not cover any third-party claims for
personal injury, death, property damage, diminution of property value or natural
resources. No such claims are pending or, to the knowledge of the Company,
threatened.

         The Company is authorized by its three state regulatory commissions to
utilize deferral accounting, or the creation of a regulatory asset, for
expenditures made in connection with environmental matters. The Company had
previously established an environmental liability and associated regulatory
asset of $4,000,000 for future environmental costs. In October 1997, the Company
increased the regulatory asset to $6,610,000 and decreased the environmental
liability to $1,360,000 to account for the settlement relating to the nine
sites. In addition, as of October 31, 1997, the regulatory asset includes
$306,000, net of recoveries from customers, for other environmental costs,
primarily legal fees and engineering assessments.

         The estimate of the regulatory asset and environmental liability on the
remaining three sites, included in the amounts above, was based on a generic MGP
site study. Site-specific evaluations have not been performed. Resolution of
these matters


                                       15

<PAGE>   18



and further evaluations of the sites could significantly affect recorded
amounts; however, the Company believes that the ultimate resolution of these
matters will not have a material adverse effect on financial position or results
of operations.

Accounting Pronouncements

         Effective January 1, 1998, the Company will adopt SFAS No. 125,
"Accounting for Transfers and Servicing of Financial Assets and Extinguishment
of Liabilities" (FAS 125). The Company does not expect the adoption of FAS 125
to have a material effect on financial position or results of operations.

         Effective January 31, 1998, the Company will adopt SFAS No. 128,
"Earnings Per Share" (FAS 128). Adoption of FAS 128 will require the Company to
present a diluted earnings per share amount which currently is only impacted by
shares issuable under the Long-Term Incentive Plan. The Company does not expect
the adoption of FAS 128 to have a material effect on earnings per share.

Other Matters

         Piedmont Interstate Pipeline Company (Piedmont Interstate), a wholly
owned subsidiary, is a 35% member of Pine Needle LNG Company, L.L.C. (Pine
Needle), a North Carolina limited liability company that is currently
constructing a liquified natural gas (LNG) peak-demand facility in North
Carolina with peaking service scheduled to be available during the winter of
1999-2000. Storage capacity will be four billion cubic feet with vaporization
capability of 400 million cubic feet per day. The Company has subscribed to
one-half of this capacity. Pine Needle has made arrangements to finance the
construction through construction loans, with permanent financing at the end of
the construction period. A portion of this permanent financing will include an
estimated equity contribution of $18,700,000 by Piedmont Interstate.

         The Company has developed plans to address the exposures related to the
impact on its computer systems of the Year 2000, including plans to address
modifications to and replacements of key financial and operational systems
required by December 31, 1999. The financial impact of making the required
changes is not expected to be material to financial position or results of
operations.


                                       16

<PAGE>   19



Item 8.  Financial Statements and Supplementary Data

         The Company's consolidated financial statements and schedules required
by this Item are listed in Item 14(a)1 and 2 in Part IV of this report.


                                       17

<PAGE>   20



CONSOLIDATED BALANCE SHEETS
October 31, 1997 and 1996

ASSETS
<TABLE>
<CAPTION>
                                                     1997         1996
                                                  ----------   ----------
                                                       (in thousands)
<S>                                               <C>          <C>       
Utility Plant:
  Utility plant in service                        $1,224,001   $1,141,535
    Less accumulated depreciation                    342,418      306,419
                                                  ----------   ----------
      Utility plant in service, net                  881,583      835,116
  Construction work in progress                       32,771       26,913
                                                  ----------   ----------
      Total utility plant, net                       914,354      862,029
                                                  ----------   ----------

Other Physical Property, at cost (net of
  accumulated depreciation of $15,947,000 in 1997
  and $14,569,000 in 1996)                            27,382       27,072
                                                  ----------   ----------

Current Assets:
  Cash and cash equivalents                            5,210        4,994
  Restricted cash                                     21,385       20,481
  Receivables (less allowance for doubtful
    accounts of $2,027,000 in 1997 and
    $1,960,000 in 1996)                               32,367       32,378
  Inventories:
    Gas in storage                                    47,676       50,065
    Materials, supplies and merchandise                6,781        7,451
  Deferred cost of gas                                 7,327        6,796
  Refundable income taxes                              7,115       31,949
  Other                                                4,295        3,873
                                                  ----------   ----------
      Total current assets                           132,156      157,987
                                                  ----------   ----------

Deferred Charges and Other Assets:
  Unamortized debt expense (amortized
    over life of related debt on a
    straight-line basis)                               2,759        3,033
  Other                                               21,505       16,965
                                                  ----------   ----------
      Total deferred charges and other assets         24,264       19,998
                                                  ----------   ----------

        Total                                     $1,098,156   $1,067,086
                                                  ==========   ==========
</TABLE>


See notes to consolidated financial statements.



                                       18

<PAGE>   21




<TABLE>
<CAPTION>
CAPITALIZATION AND LIABILITIES                              1997        1996
                                                         ----------  ----------
                                                             (in thousands)
<S>                                                      <C>         <C>       
Capitalization:
   Stockholders' equity:
       Cumulative preferred stock - no par
          value - 175,000 shares authorized              $        -  $        -
       Common stock - no par value - 100,000,000
          shares authorized; outstanding, 30,193,014
          shares in 1997 and 29,548,868 shares in 1996      262,576     246,907
       Retained earnings                                    157,250     139,184
                                                         ----------  ----------
          Total stockholders' equity                        419,826     386,091
   Long-term debt                                           381,000     391,000
                                                         ----------  ----------
          Total capitalization                              800,826     777,091
                                                         ----------  ----------

Current Liabilities:
   Current maturities of long-term debt and sinking
       fund requirements                                     10,000      10,000
   Notes payable                                             25,000      39,000
   Accounts payable                                          65,103      60,150
   Customers' deposits                                        6,629       6,114
   Deferred income taxes                                     10,276      17,727
   Taxes accrued                                             11,041       9,940
   Refunds due customers                                     15,097          68
   Other                                                     12,383      10,656
                                                         ----------  ----------
          Total current liabilities                         155,529     153,655
                                                         ----------  ----------

Deferred Credits and Other Liabilities:
   Unamortized federal investment tax credits                 8,381       8,939
   Accumulated deferred income taxes                        105,249      93,812
   Other                                                     28,171      33,589
                                                         ----------  ----------
          Total deferred credits and other liabilities      141,801     136,340
                                                         ----------  ----------

          Total                                          $1,098,156  $1,067,086
                                                         ==========  ==========
</TABLE>



See notes to consolidated financial statements.


                                       19

<PAGE>   22



STATEMENTS OF CONSOLIDATED INCOME 
For the Years Ended October 31, 1997, 1996 and 1995

<TABLE>
<CAPTION>
                                           1997           1996            1995
                                         --------       --------        --------
                                         (in thousands except per share amounts)
<S>                                      <C>            <C>             <C>     
Operating Revenues                       $775,517       $685,055        $505,223
Cost of Gas                               460,665        394,133         247,567
                                         --------       --------        --------

Margin                                    314,852        290,922         257,656
                                         --------       --------        --------

Other Operating Expenses:
   Operations                             110,689        105,822          94,088
   Maintenance                             16,160         15,776          16,409
   Depreciation                            39,187         36,039          31,944
   Income taxes                            31,948         27,609          22,511
   General taxes                           32,882         31,047          27,392
                                         --------       --------        --------

      Total other operating expenses      230,866        216,293         192,344
                                         --------       --------        --------

Operating Income                           83,986         74,629          65,312
                                         --------       --------        --------

Other Income:
   Non-utility activities, net of
      income taxes                          2,813          4,376           3,785
   Other income, net of income taxes        1,271            624             691
                                         --------       --------        --------

      Total other income                    4,084          5,000           4,476
                                         --------       --------        --------

Income Before Utility Interest Charges     88,070         79,629          69,788
                                         --------       --------        --------

Utility Interest Charges:
   Interest on long-term debt              32,429         30,120          26,354
   Allowance for borrowed funds used
      during construction (credit)           (712)          (783)         (1,095)
   Other interest                           2,279          1,730           4,219
                                         --------       --------        --------

      Total utility interest charges       33,996         31,067          29,478
                                         --------       --------        --------

Net Income                               $ 54,074       $ 48,562        $ 40,310
                                         ========       ========        ========

Average Shares of Common
   Stock Outstanding                       29,883         29,161          27,890

Earnings Per Share of Common Stock          $1.81          $1.67           $1.45
</TABLE>



See notes to consolidated financial statements.

                                       20

<PAGE>   23

STATEMENTS OF CONSOLIDATED CASH FLOWS 
For the Years Ended October 31, 1997, 1996 and 1995

<TABLE>
<CAPTION>
                                                   1997       1996       1995
                                                  -------    -------    -------
                                                         (in thousands)
<S>                                               <C>        <C>        <C>    
Cash Flows from Operating Activities:
  Net income                                      $54,074    $48,562    $40,310
                                                  -------    -------    -------
  Adjustments to reconcile net income
  to net cash provided by operating
  activities:
        Depreciation and amortization              43,441     40,107     35,712
        Deferred income taxes                       3,983     13,053     15,014
        Amortization of investment
           tax credits                               (558)      (558)      (558)
        Allowance for funds used during
           construction                            (1,418)    (1,419)    (1,690)
        Changes in assets and liabilities:
           Restricted cash                           (904)    (2,533)    (2,987)
           Receivables                                 11    (11,260)     1,479
           Inventories                              3,059    (10,061)     4,671
           Other assets, net                       19,269    (18,053)   (11,841)
           Accounts payable                         4,953     21,847      2,399
           Refunds due customers                   15,029    (22,221)       165
           Other liabilities, net                  (1,484)     1,460      8,211
                                                  -------    -------   --------
                  Total adjustments                85,381     10,362     50,575
                                                  -------    -------   --------

Net cash provided by operating activities         139,455     58,924     90,885
                                                  -------    -------   --------

Cash Flows from Investing Activities:
  Utility construction expenditures               (92,057)   (96,759)   (99,180)
  Other                                            (1,594)    (2,876)    (3,311)
                                                  -------    -------   --------

Net cash used in investing activities             (93,651)   (99,635)  (102,491)
                                                  -------    -------   --------

Cash Flows from Financing Activities:
  Increase (Decrease) in bank loans, net          (14,000)    25,500    (50,000)
  Proceeds from issuance of
    long-term debt                                      -     40,000     55,000
  Retirement of long-term debt                    (10,000)    (7,000)    (5,000)
  Sale of common stock, net of expenses                 -          -     33,023
  Issuance of common stock through
    dividend reinvestment and
    employee stock plans                           14,420     14,787      8,435
  Dividends paid                                  (36,008)   (33,393)   (30,564)
                                                  -------    -------   --------

Net cash provided by (used in)
    financing activities                          (45,588)    39,894     10,894
                                                  -------    -------   --------

Net Increase (Decrease) in Cash and
  Cash Equivalents                                    216       (817)      (712)
Cash and Cash Equivalents at
  Beginning of Year                                 4,994      5,811      6,523
                                                  -------    -------   --------
Cash and Cash Equivalents at End of Year          $ 5,210    $ 4,994   $  5,811
                                                  =======    =======   ========

Cash Paid During the Year for:
  Interest                                        $33,324    $31,435    $27,310
  Income taxes                                    $34,636    $52,087    $30,087
</TABLE>

See notes to consolidated financial statements.

                                       21

<PAGE>   24


STATEMENTS OF CONSOLIDATED RETAINED EARNINGS
For the Years Ended October 31, 1997, 1996 and 1995


<TABLE>
<CAPTION>
                                                1997        1996        1995
                                              --------    --------    --------
                                                       (in thousands)
<S>                                           <C>         <C>         <C>     
Balance at Beginning of Year                  $139,184    $124,015    $114,400
Net Income                                      54,074      48,562      40,310
                                              --------    --------    --------
    Total                                      193,258     172,577     154,710
                                              --------    --------    --------
Deduct:
    Dividends declared on common
        stock ($1.205 a share in 1997,
        $1.145 in 1996 and $1.085 in 1995)      36,008      33,393      30,564
    Capital stock expense                            -           -         131
                                              --------    --------    --------
        Total                                   36,008      33,393      30,695
                                              --------    --------    --------

Balance at End of Year                        $157,250    $139,184    $124,015
                                              ========    ========    ========

</TABLE>




See notes to consolidated financial statements.


                                       22

<PAGE>   25



NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. Summary of Significant Accounting Policies

A. Operations and Principles of Consolidation.

         Piedmont Natural Gas Company, Inc. (the Company), an
investor-owned public utility, is primarily engaged in the sale and
transportation of natural gas to residential, commercial and industrial
customers in the Piedmont region of North Carolina and South Carolina and the
metropolitan Nashville, Tennessee, area. The consolidated financial statements
include the accounts of the Company and its wholly owned subsidiaries.
Significant intercompany transactions have been eliminated in consolidation
where appropriate.

B. Utility Plant and Depreciation.

         Utility plant is stated at original cost, including direct labor and
materials, allocable overheads and an allowance for borrowed and equity funds
used during construction (AFUDC). The weighted average accrual rate for AFUDC
was 9.46% for 1997, 9.39% for 1996 and 9.47% for 1995. The portion of AFUDC
attributable to equity funds is included in other income, and the portion
attributable to borrowed funds is shown as a reduction of utility interest
charges. The costs of property retired are removed from utility plant and such
costs, including removal costs net of salvage, are charged to accumulated
depreciation.

         Depreciation expense is computed using the straight-line method applied
to average depreciable costs. The ratio of depreciation provisions to average
depreciable property balances was 3.41% for 1997, 3.40% for 1996 and 3.29% for
1995.

         In accordance with the Company's operations procedures, long-lived
assets and certain identifiable intangibles are reviewed for impairment whenever
events or changes in circumstances indicate that the carrying amount of an asset
may not be recoverable. These reviews did not result in a material effect on the
results of operations or financial condition.

C. Inventories.

         Inventories are maintained on the basis of the average cost charged
thereto.

D. Deferred Purchased Gas Adjustment.

         Rate schedules include purchased gas adjustment provisions that permit
the recovery of purchased gas costs. Purchased gas adjustment factors are
revised periodically without formal rate proceedings to reflect changes in the
cost of purchased gas. Charges to cost of gas are based on the amount
recoverable under

                                       23

<PAGE>   26



approved rate schedules. The net of any over- or under-recovered amounts is
included in refunds due customers.

E. Income Taxes.

         Deferred income taxes are provided for differences between book and tax
income, principally attributable to accelerated tax depreciation and the timing
of the recording of revenues and cost of gas. Deferred investment tax credits
are being amortized to income over the estimated useful life of the related
property.

F. Operating Revenues.

         Revenues are recognized from meters read on a monthly cycle basis which
results in unrecognized revenue from the cycle date through month end. The cost
of gas delivered to customers but not yet billed under the cycle billing method
is deferred.

G. Earnings Per Share.

         Earnings per share are computed based on the weighted average number of
shares of Common Stock outstanding during each year. Effective January 31, 1998,
the Company will adopt Statement of Financial Accounting Standards (SFAS) No.
128, "Earnings Per Share" (FAS 128). Adoption of FAS 128 will require the
Company to present a diluted earnings per share amount which currently is only
impacted by shares issuable under the Long-Term Incentive Plan. The Company does
not expect the adoption of FAS 128 to have a material effect on earnings per
share.

H. Rate-Regulated Basis of Accounting

         SFAS No. 71, "Accounting for the Effects of Certain Types of
Regulation" (FAS 71), provides that rate-regulated public utilities account for
and report assets and liabilities consistent with the economic effect of the
manner in which independent third-party regulators establish rates. In applying
FAS 71, the Company has capitalized certain costs and benefits as regulatory
assets and liabilities, respectively, pursuant to orders of the state utility
regulatory commissions, either in general rate proceedings or expense deferral
proceedings, in order to provide for recovery of or refunds to utility customers
in future periods.

         The Company monitors the regulatory and competitive environment in
which it operates to determine that its regulatory assets continue to be
probable of recovery. If the Company, at some point in the future, determines
that all or a portion of these regulatory assets no longer meet the criteria for
continued application of FAS 71, then the Company would be required to write off
that portion which it could not recover.


                                       24

<PAGE>   27



         The amounts recorded as regulatory assets and liabilities in the
consolidated balance sheets at October 31, 1997 and 1996, are shown in the table
below.

<TABLE>
<CAPTION>
                                                  1997                   1996
                                                -------                 ------
                                                         (in thousands)
<S>                                             <C>                     <C>   
Regulatory Assets
Unamortized debt expense                        $ 2,759                 $3,033
Environmental                                     6,916                  4,184
Pipeline transition costs                         3,578                      -
Other                                             2,486                    773
                                                -------                 ------
  Total                                         $15,739                 $7,990
                                                =======                 ======

Regulatory Liabilities
Refunds due customers                           $15,097                 $   68
Excess deferred taxes                            13,327                 13,272
Deferred incentive plan                             563                     55
Pipeline transition costs                             -                  2,171
                                                -------                -------
  Total                                         $28,987                $15,566
                                                =======                =======
</TABLE>

I. Statement of Cash Flows.

         For purposes of reporting cash flows, all highly liquid debt
instruments purchased with an original maturity of three months or less are
considered to be cash equivalents.

J. Segment Reporting.

         The Company is principally engaged in the gas distribution industry and
has no other reportable industry segments.

K. Use of Estimates.

         The preparation of financial statements requires management to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.

L. Reclassifications.

         Certain financial statement items for 1996 and 1995 have been
reclassified to conform with the 1997 presentation.


2. Regulatory Matters

         The Company's utility operations are subject to regulation by the North
Carolina Utilities Commission (NCUC) and the Tennessee Regulatory Authority
(TRA) as to the issuance of securities, and by those commissions and by the
Public Service Commission of South Carolina (PSCSC) as to rates, service area,

                                       25

<PAGE>   28



adequacy of service, safety standards, extensions and abandonment of facilities,
accounting and depreciation.

     The Company has been operating in an unbundled environment with all of its
interstate pipelines for several years under Federal Energy Regulatory
Commission (FERC) Order 636. In the Company's opinion, present rules and
regulations of the NCUC, the PSCSC and the TRA permit the pass through to
customers of interstate pipeline capacity and storage service costs and similar
costs that may be incurred under Order 636. Through 1997, the Company has
recovered substantially all such costs through purchased gas adjustment
procedures.

     In 1996, the NCUC ordered the establishment of an expansion fund for the
Company and approved initial funding to enable the extension of natural gas
service into unserved areas of the state. The North Carolina State Treasurer
currently holds approximately $17,912,000 as of its last report for credit to
the Company's expansion fund account. This amount along with other supplier
refunds, including interest earned to date, is included in restricted cash. The
use of such funds will be at the discretion of the NCUC as individual project
applications for unserved areas are filed by the Company and approved by the
NCUC. As of October 31, 1997, no funds had been used for expansion.

     In 1994, the Company filed a petition with the NCUC for a certificate of
public convenience and necessity to serve four counties in North Carolina not
presently receiving natural gas service. The Company requested permission to use
expansion funds to offset a portion of the cost of construction in the four
counties. Another company also filed an application to serve the four counties;
however, this company did not request permission to use expansion funds. In
January 1996, the NCUC granted a final certificate to the competing applicant.
The Company appealed that order to the Supreme Court of North Carolina in
November 1996, and in July 1997, the Court ruled to uphold the decision of the
NCUC awarding the franchise to the competing applicant.

     In November 1995, the PSCSC issued an order permitting the Company to
increase its rates in South Carolina, effective November 7, 1995, by $7,800,000
annually. The Consumer Advocate for the State of South Carolina appealed the
order to the Circuit Court of Richland County, South Carolina. The Court
dismissed the appeal and affirmed the PSCSC's original order in its entirety in
May 1997. In August 1997, the Consumer Advocate filed an appeal with the Supreme
Court of South Carolina. The outcome of this appeal cannot be determined at this
time.


                                       26

<PAGE>   29



     In December 1996, the TRA issued an order in a general rate case proceeding
permitting the Company to increase its margin in Tennessee, effective January 1,
1997, by $4,400,000 annually. The TRA's decision was confirmed by a written
decision in February 1997. The Tennessee Consumer Advocate filed several
pleadings with the TRA arguing, among other things, that the Company was not
entitled to recover the increased rates prior to the date of the TRA's February
Order. All parties in this proceeding, including the Company, petitioned the TRA
to reconsider its February Order. In June 1997, the TRA issued an order denying
all motions and upholding its previous orders. In August 1997, the Consumer
Advocate petitioned the Court of Appeals for a review of the TRA's orders. The
outcome of this proceeding cannot be determined at this time.


3. Long-Term Debt

     Long-term debt at October 31, 1997 and 1996, is summarized as follows:

<TABLE>
<CAPTION>
                                               1997                     1996
                                            --------                  --------
                                                       (in thousands)
<S>                                          <C>                      <C>    
Senior Notes:
   9.19%, due 2001                          $ 30,000                  $ 30,000
  10.02%, due 2003                            24,000                    28,000
  10.06%, due 2004                            14,000                    16,000
  10.11%, due 2004                            28,000                    32,000
   9.44%, due 2006                            35,000                    35,000
   8.51%, due 2017                            35,000                    35,000
Medium-Term Notes:
   6.23%, due 2003                            45,000                    45,000
   6.87%, due 2023                            45,000                    45,000
   8.45%, due 2024                            40,000                    40,000
   7.40%, due 2025                            55,000                    55,000
   7.50%, due 2026                            40,000                    40,000
                                            --------                  --------
     Total                                   391,000                   401,000
Less current maturities                       10,000                    10,000
                                            --------                  --------
     Total                                  $381,000                  $391,000
                                            ========                  ========
</TABLE>

     Annual sinking fund requirements and maturities through 2002 are
$10,000,000 in 1998 through 2000, $40,000,000 in 2001 and $10,000,000 in 2002.

     The Company's articles of incorporation and note agreements under which
long-term debt was issued contain provisions which restrict the amount of cash
dividends that may be paid on Common


                                       27

<PAGE>   30

Stock. At October 31, 1997, all of the Company's retained earnings was free of
such restrictions.


4. Capital Stock

     The changes in Common Stock for the years ended October 31, 1995, 1996
and 1997, are summarized as follows:

<TABLE>
<CAPTION>
                                                      Shares        Amount
                                                    ----------     --------
                                                                (in thousands)
<S>                                                 <C>            <C>     
Balance, October 31, 1994                           26,576,543     $187,592
  Public Offering                                    1,725,000       33,154
  Issue to Participants in the Employee
     Stock Purchase Plan (SPP)                          29,133          523
  Issue to the Dividend Reinvestment and
     Stock Purchase Plan (DRIP)                        409,860        7,912
  Issue to Participants in the
     Long-Term Incentive Plan (LTIP)                    94,468        1,783
                                                    ----------     --------
Balance, October 31, 1995                           28,835,004      230,964
  Issue to SPP                                          27,713          577
  Issue to DRIP                                        635,046       14,210
  Issue to LTIP                                         51,105        1,156
                                                    ----------     --------
Balance, October 31, 1996                           29,548,868      246,907
  Issue to SPP                                          24,948          555
  Issue to DRIP                                        568,482       13,865
  Issue to LTIP                                         50,716        1,249
                                                    ----------     --------
Balance, October 31, 1997                           30,193,014     $262,576
                                                    ==========     ========
</TABLE>

     At October 31, 1997, 2,371,802 shares of Common Stock were reserved for
issuance as follows:

<TABLE>
<S>                                                 <C>
          SPP                                          245,628
          DRIP                                       1,071,913
          LTIP                                       1,054,261
                                                     ---------
            Total                                    2,371,802
                                                     =========
</TABLE>


5. Financial Instruments and Related Fair Value

     The Company has committed bank lines of credit totaling $75,000,000 to
finance current cash requirements. Additional uncommitted lines are also
available on an as needed, if available, basis. Borrowings under the lines, with
maturity dates of less than 90 days, include bankers' acceptances, transactional
borrowings and overnight cost-plus loans based on the lending bank's cost of
money, with a maximum rate of the lending bank's commercial prime interest rate.
At October 31, 1997, the lines of credit were on either a fee

                                       28

<PAGE>   31



basis or compensating balance basis, with average annual balance requirements of
$300,000.

     At October 31, 1997, outstanding notes payable consisted of $15,000,000
in bankers' acceptances and $10,000,000 in overnight cost-plus loans. The
weighted average interest rate on such borrowings was 5.83%.

     The Company's principal business activity is the sale and transportation of
natural gas to customers located in North Carolina, South Carolina and
Tennessee. At October 31, 1997, gas receivables totaled $23,684,000 and other
receivables totaled $10,710,000. The uncollected balance of installment
receivables transferred with recourse was $23,184,000 and $26,584,000 at October
31, 1997 and 1996, respectively. The Company has provided an adequate allowance
for any receivables which may not be ultimately collected, including the
receivables transferred with recourse.

     Effective January 1, 1998, the Company will adopt SFAS No. 125, "Accounting
for Transfers and Servicing of Financial Assets and Extinguishment of
Liabilities" (FAS 125). The Company does not expect the adoption of FAS 125 to
have a material effect on financial position or results of operations.

     The carrying amounts in the consolidated balance sheets of cash and cash
equivalents, restricted cash, receivables, notes payable and accounts payable
approximate their fair values due to the short-term maturities of these
financial instruments. Based on quoted market prices of similar issues having
the same remaining maturities, redemption terms and credit ratings, the
estimated fair values of long-term debt at October 31, 1997 and 1996, including
current portion, are as follows:

<TABLE>
<CAPTION>
                           1997                    1996
                     -----------------       -----------------
                     Carrying    Fair        Carrying    Fair
                      Amount     Value        Amount     Value
                     --------   ------       --------   ------
                                  (in thousands)
<S>                  <C>        <C>          <C>        <C>     
Long-term debt       $391,000   $425,148     $401,000    $442,116
</TABLE>


     The use of different market assumptions or estimation methodologies may
have a material effect on the estimated fair values. The fair value amounts are
not intended to reflect principal amounts that the Company will ultimately be
required to pay.

     The Company engages in minimal derivative products activities, such as
exchange traded futures and over-the-counter forward contracts, to manage
commodity price and basis risk when appropriate. The hedging

                                       29

<PAGE>   32



activities permit the Company to translate physical market activities into a
common pricing index against which transaction values will be measured at the
margin. Under internal Company guidelines, limited speculative positions are
permitted in the derivatives market or in the form of fixed price gas supply
contracts. The Company does not hold or issue derivative financial instruments
for trading purposes. The Company's derivative products activity is not material
to financial position or results of operations.


6. Employee Benefit Plans

     The Company has a defined-benefit pension plan for the benefit of
substantially all full-time regular employees. Plan benefits are generally based
on credited years of service and the level of compensation during the five
consecutive years of the last ten years prior to retirement during which the
participant received his or her highest compensation. The Company's policy is to
fund the plan in an amount not in excess of the amount that is deductible for
income tax purposes under applicable federal regulations. Plan assets consist
primarily of marketable securities with a minor investment in commercial real
estate and cash equivalents.

     The plan is amended from time to time in accordance with changes in tax
law. The unrecognized prior service costs, if any, resulting from amendments are
amortized over the average remaining service life of active employees.

     A reconciliation of the funded status of the plan to the amounts recognized
in the consolidated financial statements at October 31, 1997 and 1996, is
presented below:

<TABLE>
<CAPTION>
                                                       1997           1996
                                                    ---------      ---------
                                                        (in thousands)
<S>                                                 <C>            <C>      
Actuarial present value of benefit obligations:
     Vested benefit obligation                      $  73,189      $  66,537
                                                    =========      =========
     Accumulated benefit obligation                 $  79,104      $  73,818
                                                    =========      =========
Projected benefit obligation for service
     rendered to date                               $(112,330)     $(106,962)
Plan assets at fair value                             141,540        117,646
                                                    ---------      ---------
Plan assets in excess of projected
     benefit obligation                                29,210         10,684
Unrecognized net gain and effects
     of changes in assumptions                        (39,703)       (23,238)
Unrecognized prior service cost                         3,805          4,222
Unrecognized net obligation at transition                  90            105
                                                    ---------      ---------
        Accrued pension cost                        $  (6,598)     $  (8,227)
                                                    =========      =========
</TABLE>


                                       30

<PAGE>   33



     Net periodic pension cost, excluding trustee fees and other expenses, for
the years ended October 31, 1997, 1996 and 1995, includes the following
components:

<TABLE>
<CAPTION>
                                                  1997        1996        1995
                                                 ------      ------      ------
                                                           (in thousands)
<S>                                              <C>         <C>        <C>   
Service cost                                     $5,146      $5,215      $4,212
Interest cost                                     7,251       6,891       6,704
Return on plan assets                           (24,827)    (17,127)    (19,009)
Net asset gain (loss) deferred                   14,688       7,766      10,544
Other                                               135         432         358
                                                 ------      ------      ------
     Net periodic pension cost                   $2,393      $3,177      $2,809
                                                 ======      ======      ======

Actuarial assumptions used were:
     Weighted average discount rate                6.75%       7.0 %       6.75%
     Rate of increase in future compensation
        levels                                     4.75%       5.0 %       5.0 %
     Expected long-term rate of return             9.5 %       9.5 %       9.5 %

</TABLE>

     The Company provides certain postretirement health care and life insurance
benefits to substantially all full-time regular employees. As of October 31,
1997, the liability associated with such benefits was funded in irrevocable
trust funds which can only be used to pay the benefits.

     A reconciliation of the funded status of the plan to the amounts recognized
in the consolidated financial statements at October 31, 1997 and 1996, is
presented below:

<TABLE>
<CAPTION>
                                                        1997            1996
                                                      --------        --------
                                                          (in thousands)
<S>                                                   <C>             <C>      
Accumulated postretirement benefit obligation:
  Retirees                                            $(13,994)       $(11,129)
  Fully eligible active plan participants               (5,147)         (5,442)
  Other active plan participants                        (2,800)         (2,847)
                                                      --------        --------
      Total                                            (21,941)        (19,418)
Plan assets at fair value                                4,709           3,137
                                                      --------        --------
Accumulated postretirement benefit obligation
     in excess of plan assets                          (17,232)        (16,281)
Unrecognized net gain and effects of
     changes in assumptions                              3,705             852
Unrecognized transition obligation                      14,878          15,808
                                                      --------        --------
     Prepaid postretirement benefit cost              $  1,351        $    379
                                                      ========        ========

</TABLE>



                                       31

<PAGE>   34



     Net periodic postretirement benefit cost for the years ended October 31,
1997, 1996 and 1995, includes the following components:

<TABLE>
<CAPTION>
                                                   1997     1996     1995
                                                  ------   ------   ------
                                                       (in thousands)
<S>                                               <C>      <C>      <C>   
Service cost                                      $  627   $  657   $  578
Interest Cost                                      1,367    1,342    1,405
Return on plan assets                               (377)    (289)    (226)
Amortization of transition obligation                930      930      930
Other                                                 25        -      (24)
                                                  ------   ------   ------
   Net periodic postretirement benefit cost       $2,572   $2,640   $2,663
                                                  ======   ======   ======

Actuarial assumptions used were:
 Weighted average discount rate                      7.0 %   7.25%    7.25%
 Weighted average rate of return
   on plan assets                                    9.5 %   9.5 %    8.0 %
 Average assumed annual rate of salary increase
   for the applicable life insurance plans           4.75%   5.0 %    5.0 %
</TABLE>

     The assumed health care cost trend rate used in measuring the accumulated
postretirement benefit obligation for the medical plans is 8.5% for 1998,
declining gradually to 4.25% in 2005 and remaining at that level thereafter. The
health care cost trend rate assumption has a significant effect on the amounts
reported. A one-percentage point increase in this rate would increase the
accumulated postretirement benefit obligation at October 31, 1997, by $1,237,000
and the aggregate of the service and interest cost components of net periodic
postretirement benefit cost by $82,000.

     The Company maintains salary investment plans which are profit sharing
plans under Section 401(a) of the Internal Revenue Code of 1986, as amended (the
Tax Code), which include qualified cash or deferred arrangements under Tax Code
Section 401(k). Employees who have completed six months of service are eligible
to participate. Participants are permitted to defer a portion of their base
salary to the plans, with the Company matching a portion of the participants'
contributions. All contributions vest immediately. For the years ended October
31, 1997, 1996 and 1995, the Company contributed $2,172,000, $2,173,000 and
$1,932,000, respectively, to the plans.



                                       32

<PAGE>   35



7. Income Taxes

         The components of income tax expense for the years ended October 31,
1997, 1996 and 1995, are as follows:

<TABLE>
<CAPTION>
                                                1997                           1996                            1995
                                                ----                           ----                            ----
                                        Federal       State           Federal         State            Federal      State
                                        -------       ------          -------         ------           -------      ------
                                                                          (in thousands)
<S>                                     <C>           <C>             <C>             <C>              <C>          <C>   
Income taxes charged to operations:
 Current                                $24,074       $5,311          $11,966         $3,215           $ 6,809      $1,886
 Deferred                                 2,696          425           11,224          1,762            12,176       2,198
 Amortization of
  investment tax
  credits                                  (558)           -             (558)             -              (558)          -
                                        -------       ------          -------         ------           -------      ------
    Total                                26,212        5,736           22,632          4,977            18,427       4,084
                                        -------       ------          -------         ------           -------      ------
Income taxes charged to other income:
 Current                                  2,101         (261)           2,683            568             1,937         353
 Deferred                                   127          735               52             16               485         155
                                        -------       ------          -------         ------           -------      ------
    Total                                 2,228          474            2,735            584             2,422         508
                                        -------       ------          -------         ------           -------      ------
Total income tax expense                $28,440       $6,210          $25,367         $5,561           $20,849      $4,592
                                        =======       ======          =======         ======           =======      ======
</TABLE>


         A reconciliation of income tax expense at the federal statutory rate to
recorded income tax expense for the years ended October 31, 1997, 1996 and 1995,
is as follows:

<TABLE>
<CAPTION>
                                               1997        1996        1995
                                             -------     -------     -------
                                                     (in thousands)
<S>                                          <C>         <C>         <C>    
Federal taxes at 35%                         $31,054     $27,822     $23,013
State income taxes, net of
 federal benefit                               4,037       3,614       2,987
Amortization of investment tax credits          (558)       (558)       (558)
Other, net                                       117          50          (1)
                                             -------     -------     -------
Total income tax expense                     $34,650     $30,928     $25,441
                                             =======     =======     =======
</TABLE>

     At October 31, 1997 and 1996, deferred income taxes consisted of the
following temporary differences:

<TABLE>
<CAPTION>
                                                        1997        1996
                                                      --------    --------
                                                          (in thousands)
<S>                                                   <C>         <C>     
Excess of tax over book depreciation and tax and
 book asset basis differences                         $110,746    $101,797
Revenues and cost of gas                                14,384      21,609
Long-term incentive plan                                (4,027)     (3,176)
Regulatory liability related to SFAS No. 109            (4,622)     (4,608)
Pension expense                                            800      (3,388)
Alternative minimum tax                                      -        (558)
Other, net                                              (1,756)       (137)
                                                      --------    --------
     Net deferred income taxes                        $115,525    $111,539
                                                      ========    ========
</TABLE>



                                       33

<PAGE>   36



     Total deferred income tax liabilities were $132,808,000 and $130,536,000
and total deferred income tax assets were $17,283,000 and $18,997,000 at October
31, 1997 and 1996, respectively.


8. Subsidiary and Non-Utility Activities

     Piedmont Energy Company, a wholly owned subsidiary of the Company, is a 51%
member of Resource Energy Services Company, L.L.C. (Resource Energy), a North
Carolina limited liability company. Resource Energy offers natural gas
acquisition, transportation and storage services to industrial users and other
utilities in the southeast, mid-Atlantic and midwest regions of the United
States. If such customers are on the Company's distribution system, revenues for
transporting this gas are included in utility operating revenues.

     Piedmont Intrastate Pipeline Company, a wholly owned subsidiary of the
Company, is a 36% member of Cardinal Pipeline Company, L.L.C. (Cardinal), a
North Carolina limited liability company that owns and operates a natural gas
pipeline from a connection with an interstate pipeline to facilities owned by
the Company and facilities owned by another utility company, also a member.
Because the investment in Cardinal is treated as utility assets for ratemaking
purposes, the Company includes its share of the assets and operations of
Cardinal in utility operations.

     Piedmont Interstate Pipeline Company (Piedmont Interstate), a wholly owned
subsidiary of the Company, is a 35% member of Pine Needle LNG Company, L.L.C.
(Pine Needle), a North Carolina limited liability company that is currently
constructing a liquified natural gas (LNG) peak-demand facility in North
Carolina with the peaking service scheduled to be available during the winter of
1999-2000. Storage capacity will be four billion cubic feet with vaporization
capability of 400 million cubic feet per day. The Company has subscribed to
one-half of this capacity. Pine Needle has made arrangements to finance the
construction through construction loans, with permanent financing at the end of
the construction period. A portion of this permanent financing will include an
estimated equity contribution of $18,700,000 by Piedmont Interstate.

     Piedmont Propane Company, a wholly owned subsidiary of the Company, markets
propane and propane appliances to residential, commercial and industrial
customers within and adjacent to the Company's three-state natural gas service
area.

     Operating revenues shown in the consolidated financial statements represent
revenues from utility operations only. Non-utility revenues as a percentage of
total revenues, including utility operations, were 5% in 1997, 7% in 1996 and 8%
in 1995.


                                       34

<PAGE>   37



No single non-utility activity accounted for greater than 6% of total revenues
in any year. Income from non-utility activities as a percentage of total net
income was 5% in 1997 and 9% in 1996 and 1995. No single non-utility activity
accounted for more than 6% of net income in any year.


9. Environmental Matters

     The Company has owned, leased or operated manufactured gas plant (MGP)
facilities at 12 sites in its three-state service area, nine of which involve
other parties who either owned the property or operated the facilities. In
October 1997, the Company entered into a settlement with one of the third
parties pursuant to which the Company paid the third party $5,250,000. The third
party assumed responsibility for all costs of investigation, monitoring,
assessment, evaluation, removal, remedy or remedial action (Response Costs)
incurred at the nine MGP sites and indemnified the Company from any and all
actions, causes of action, claims and demands arising out of or relating to such
Response Costs. The settlement does not cover any third party claims for
personal injury, death, property damage, diminution of property value or natural
resources. No such claims are pending or, to the knowledge of the Company,
threatened.

     The Company is authorized by its three state regulatory commissions to
utilize deferral accounting, or the creation of a regulatory asset, for
expenditures made in connection with environmental matters. The Company had
previously established an environmental liability and associated regulatory
asset of $4,000,000 for future environmental costs. In October 1997, the Company
increased the regulatory asset to $6,610,000 and decreased the environmental
liability to $1,360,000 to account for the settlement relating to the nine
sites. In addition, as of October 31, 1997, the regulatory asset includes
$306,000, net of recoveries from customers, for other environmental costs,
primarily legal fees and engineering assessments.

     The estimate of the regulatory asset and environmental liability on the
remaining three sites, included in the amounts above, is based on a generic MGP
site study. Site-specific evaluations have not been performed. Resolution of
these matters and further evaluations of the sites could significantly affect
recorded amounts; however, the Company believes that the ultimate resolution of
these matters will not have a material adverse effect on financial position or
results of operations.


                                       35

<PAGE>   38



MANAGEMENT'S RESPONSIBILITY FOR FINANCIAL REPORTING

     The management of the Company is responsible for the preparation and
integrity of the accompanying consolidated financial statements and related
notes. The statements were prepared in conformity with generally accepted
accounting principles appropriate in the circumstances and include amounts which
are necessarily based on management's best estimates and judgments made with due
consideration to materiality. Financial information presented elsewhere in this
report is consistent with that in the financial statements.

     Management has established and is responsible for maintaining a
comprehensive system of internal accounting controls which it believes provides
reasonable assurance that Company policies and procedures are complied with,
assets are safeguarded and transactions are executed according to management's
authorization. This system is continually reviewed for effectiveness and
modified in response to changing business conditions and operations and as a
result of recommendations by the external and internal auditors.

     The Audit Committee of the Board of Directors, consisting solely of outside
Directors, meets periodically with Deloitte & Touche LLP, the internal auditors
and representatives of management to discuss auditing and financial reporting
matters. The Audit Committee reviews audit plans and results and the Company's
accounting, financial reporting and internal control practices, procedures and
results. Both Deloitte & Touche LLP and the internal auditors have full and free
access to all levels of management.


                                       36

<PAGE>   39



INDEPENDENT AUDITORS' REPORT

Piedmont Natural Gas Company, Inc.

     We have audited the accompanying consolidated balance sheets of Piedmont
Natural Gas Company, Inc. and subsidiaries (the Company) as of October 31, 1997
and 1996, and the related statements of consolidated income, retained earnings
and cash flows for each of the three years in the period ended October 31, 1997.
Our audits also included the supplemental consolidated financial statement
schedule listed in Item 14. These financial statements and financial statement
schedule are the responsibility of the Company's management. Our responsibility
is to express an opinion on these financial statements and financial statement
schedule 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, such consolidated financial statements present fairly, in
all material respects, the financial position of the Company at October 31, 1997
and 1996, and the results of its operations and its cash flows for each of the
three years in the period ended October 31, 1997 in conformity with generally
accepted accounting principles. Also, in our opinion, such consolidated
financial statement schedule, when considered in relation to the basic
consolidated financial statements taken as a whole, presents fairly in all
material respects the information set forth therein.



/s/ DELOITTE & TOUCHE LLP

Charlotte, North Carolina
December 19, 1997


                                       37

<PAGE>   40


QUARTERLY FINANCIAL DATA

         Quarterly financial data for 1997 and 1996 is summarized as follows:

<TABLE>
<CAPTION>
                                                                                                              Earnings
                                Operating                                Operating            Net           Per Share of
                                Revenues               Margin              Income           Income          Common Stock
                                ---------             --------           ---------          -------         ------------
                                                   (in thousands except per share amounts)
<S>                             <C>                   <C>                <C>                <C>             <C>  
1997
January 31                      $312,533              $118,370             $43,387          $37,312           $1.26
April 30                        $259,306              $109,119             $39,623          $32,274           $1.08
July 31                         $103,997              $ 47,143             $ 3,692          $(5,777)          $(.19)
October 31                      $ 99,681              $ 40,220             $(2,716)         $(9,735)          $(.32)

1996
January 31                      $239,160              $106,453             $38,904          $34,098           $1.18
April 30                        $259,472              $105,395             $37,887          $32,451           $1.12
July 31                         $ 95,744              $ 40,186             $    79          $(8,326)          $(.28)
October 31                      $ 90,679              $ 38,888             $(2,241)         $(9,661)          $(.33)

</TABLE>

         The pattern of quarterly earnings is the result of the highly seasonal
nature of the business as variations in weather conditions generally result in
greater earnings during the winter months. Earnings per share are calculated
based on the weighted average number of shares outstanding during the quarter.
The annual amount may differ from the total of the quarterly amounts due to
changes in the number of shares outstanding during the year.


Item 9.  Changes in and Disagreements with Accountants on Accounting
and Financial Disclosure

     None.


                                       38

<PAGE>   41

                                    PART III


Item 10.  Directors and Executive Officers of the Registrant

         Information required under this item with respect to directors is
contained in the Company's proxy statement filed with the Securities and
Exchange Commission (SEC) on or about January 15, 1998, and is incorporated
herein by reference.

         The names, ages and positions of all of the executive officers of the
Company as of October 31, 1997, are listed below along with their business
experience during the past five years.

         So far as practicable, all elected officers are elected at the first
meeting of the Board of Directors held following the annual meeting of
shareholders in each year and hold office until the meeting of the Board
following the annual meeting of shareholders in the next subsequent year and
until their respective successors are elected and qualify. All other officers
hold office during the pleasure of the Board. There are no family relationships
among these officers. There are no arrangements or understandings between any
officer and any other person pursuant to which the officer was selected except
for employment agreements with Messrs. Denny, Dzuricky, Killough, Maxheim,
Schiefer and Skains.

                                                  Business Experience
Name, Age and Position                            During Past Five Years
- ----------------------                            ----------------------

John H. Maxheim, 63                               Elected in 1984.
Chairman of the Board, President
  and Chief Executive Officer

Ware F. Schiefer, 59                              Elected in 1995.
Executive Vice President                          Prior to his election, he
                                                  was Senior Vice
                                                  President-Marketing and
                                                  Gas Supply.

David J. Dzuricky, 46                             Elected in 1995.
Senior Vice President-Finance                     From 1993 until his
                                                  election, he was Vice
                                                  President and Treasurer
                                                  of Consolidated Natural
                                                  Gas Company, Pittsburgh,
                                                  Pennsylvania. From 1992
                                                  to 1993, he was Vice
                                                  President and Treasurer

                                       39

<PAGE>   42



                                                  of Virginia Natural Gas
                                                  Company, Norfolk,
                                                  Virginia.

Ray B. Killough, 49                               Elected in 1993.  Prior
Senior Vice President-Operations                  to his election, he was
                                                  Vice President-
                                                  Engineering.

Thomas E. Skains, 41                              Elected in 1995.
Senior Vice President-Gas Supply                  Prior to his election, he
  and Services                                    was Senior Vice
                                                  President, Transportation
                                                  and Customer Services, of
                                                  Transcontinental Gas Pipe
                                                  Line Corporation,
                                                  Houston, Texas.

Ted C. Coble, 54                                  Elected in 1982.
Vice President and Treasurer, and
  Assistant Secretary

Stephen D. Conner, 49                             Elected in 1990.
Vice President-Corporate
  Communications

J. William Denny, 62                              Elected in 1985.
Vice President-Nashville Division

Charles W. Fleenor, 47                            Elected in 1987.
Vice President-Gas Services

Paul C. Gibson, 58                                Elected in 1986.
Vice President-Rates

Barry L. Guy, 53                                  Elected in 1986.
Vice President and Controller

Donald F. Harrow, 42                              Elected in 1992.
Vice President-Governmental Relations

Dale C. Hewitt, 52                                Elected in 1993.  Prior
Vice President-North Carolina                     to his election, he was
  Operations                                      District Manager of the
                                                  Company's Greensboro, North
                                                  Carolina, operations.


                                       40

<PAGE>   43




Richard A. Linville, 50                           Elected in August 1997.
Vice President-Human Resources                    Prior to his election, he
                                                  was Vice President-Human
                                                  Resources of Harriet and
                                                  Henderson Yarns, Inc.,
                                                  Henderson, North Carolina.

Kevin M. O'Hara, 39                               Elected in 1993.  Prior to
Vice President-Corporate Planning                 his election, he was
                                                  Director-Information
                                                  Services Plans and
                                                  Controls.

William R. Pritchard, Jr., 54                     Elected in 1986.
Vice President-Information
  Services

Martin C. Ruegsegger, 47                          Elected in February 1997.
Vice President, Corporate Counsel                 From 1993 to his election,
  and Secretary                                   he was Corporate Secretary.
                                                  Prior to 1993, he was
                                                  General Counsel for Bell
                                                  South Business Systems,
                                                  Inc., and Bell South
                                                  Communications, Inc.,
                                                  Atlanta, Georgia.

David L. Trusty, 40                               Elected in August 1997,
Vice President-Marketing                          effective November 1997.
                                                  Prior to his election, he was
                                                  Vice President-Marketing
                                                  of the Nashville Division.

Ranelle Q. Warfield, 40                           Elected in August 1997,
Vice President-Customer Services                  effective November 1997.
                                                  From 1993 to her election, 
                                                  she was Director-Marketing.
                                                  Prior to 1993, she was
                                                  Director-Residential Sales.

Bartlett C. Winkler, 61                           Elected in August 1997,
Vice President-Piedmont Propane                   effective November 1997.
                                                  Prior to his election, he was
                                                  Vice President-Marketing.


                                       41

<PAGE>   44

 William D. Workman, III, 57                      Elected in 1993.
 Vice President-South Carolina                    Prior to his election, he
    Operations                                    was Senior Director for
                                                  Facilities and Civic
                                                  Affairs of Fluor Daniel,
                                                  Inc., Greenville, South
                                                  Carolina.


Item 11.  Executive Compensation

         Information required under this item is contained in the Company's
proxy statement filed with the SEC on or about January 15, 1998, and is
incorporated herein by reference.


Item 12.  Security Ownership of Certain Beneficial Owners and Management

    (a)  Security Ownership of Certain Beneficial Owners

         Information with respect to security ownership of certain beneficial
owners is contained in the Company's proxy statement filed with the SEC on or
about January 15, 1998, and is incorporated herein by reference.

    (b)  Security Ownership of Management

         Information with respect to security ownership of directors and
officers is contained in the Company's proxy statement filed with the SEC on or
about January 15, 1998, and is incorporated herein by reference.

    (c)  Changes in Control

         The Company knows of no arrangements or pledges which may result in a
change in control.


Item 13.  Certain Relationships and Related Transactions

         Information with respect to certain transactions with directors is
contained in the Company's proxy statement filed with the SEC on or about
January 15, 1998, and is incorporated herein by reference.

                                       42

<PAGE>   45

                                     PART IV

Item 14.  Exhibits, Financial Statement Schedules, and Reports on Form 8-K

      (a)    1.        FINANCIAL STATEMENTS

             The following consolidated financial statements of the Company and
its subsidiaries and the related independent auditors' report for the year ended
October 31, 1997, are included in Item 8 of this report as follows:

                                                                      Page
                                                                      ----
      Consolidated Balance Sheets - October 31, 1997 and 1996          18
      Statements of Consolidated Income - Years Ended
         October 31, 1997, 1996 and 1995                               20
      Statements of Consolidated Cash Flows - Years Ended
         October 31, 1997, 1996 and 1995                               21
      Statements of Consolidated Retained Earnings - Years
         Ended October 31, 1997, 1996 and 1995                         22
      Notes to Consolidated Financial Statements                       23
      Management's Responsibility for Financial Reporting              36
      Independent Auditors' Report                                     37

      (a)    2.        SUPPLEMENTAL CONSOLIDATED FINANCIAL STATEMENT SCHEDULE

                                                                      Page
                                                                      ----
      II  Valuation and Qualifying Accounts                            53

             Schedules other than those listed above and certain other
information are omitted for the reason that they are not required or are not
applicable, or the required information is shown in the financial statements or
notes thereto.

      (a)    3.        EXHIBITS

                       Where an exhibit is filed by incorporation by reference
                       to a previously filed registration statement or report,
                       such registration statement or report is identified in
                       parentheses. Upon written request of a shareholder, the
                       Company will provide a copy of the exhibit at a nominal
                       charge.

             3.1       Copy of Articles of Incorporation of the Company, filed
                       in the Department of State of the State of North Carolina
                       on December 13, 1993 (Exhibit No. 2, Registration
                       Statement on Form 8-B, dated March 2, 1994).

                                       43

<PAGE>   46



             3.2       Copy of By-Laws of the Company as amended (Exhibit No. 2,
                       Registration Statement on Form 8-B, dated March 2, 1994).

             3.3       Articles of Amendment of the Company (Exhibit No. 3,
                       Amendment to Form 10-Q for the period ended April 30,
                       1997).

             4.1       Copy of Note Agreement, dated as of August 30, 1988,
                       between the Company and Jefferson-Pilot Life Insurance
                       Company, et al (Exhibit 4.26, Form 10-K for the fiscal
                       year ended October 31, 1988).

             4.2       Copy of Note Agreement, dated as of June 15, 1989,
                       between the Company and The Mutual Life Insurance Company
                       of New York (Exhibit 4.27, Form 10-K for the fiscal year
                       ended October 31, 1989).

             4.3       Copy of Note Agreement, dated as of August 31, 1989,
                       between the Company and Teachers Insurance and Annuity
                       Association of America (Exhibit 4.28, Form 10-K for the
                       fiscal year ended October 31, 1989).

             4.4       Copy of Note Agreement, dated as of July 30, 1991,
                       between the Company and The Prudential Insurance Company
                       of America (Exhibit 4.29, Form 10-K for the fiscal year
                       ended October 31, 1991).

             4.5       Copy of Note Agreement, dated as of September 21, 1992,
                       between the Company and Provident Life and Accident
                       Insurance Company (Exhibit 4.30, Form 10-K for the fiscal
                       year ended October 31, 1992).

             4.6       Copy of Indenture, dated as of April 1, 1993, between the
                       Company and Citibank, N.A., Trustee (Exhibit 4.1,
                       Registration Statement No. 33-60108).

             4.7       Copy of Medium-Term Note, Series A, dated as of July 23,
                       1993 (Exhibit 4.7, Form 10-K for the fiscal year ended
                       October 31, 1993).

             4.8       Copy of Medium-Term Note, Series A, dated as of October
                       6, 1993 (Exhibit 4.8, Form 10-K for the fiscal year ended
                       October 31, 1993).

             4.9       Copy of Medium-Term Note, Series A, dated as of September
                       19, 1994 (Exhibit 4.9, Form 10-K for the fiscal year
                       ended October 31, 1994).


                                       44

<PAGE>   47



           4.10        Copy of Pricing Supplement of Medium-Term Notes, Series
                       B, dated October 3, 1995 (Exhibit 4.10, Form 10-K for the
                       fiscal year ended October 31, 1995).

           4.11        Copy of Pricing Supplement of Medium-Term Notes, Series
                       B, dated October 4, 1996 (Exhibit 4.11, Form 10-K for the
                       fiscal year ended October 31, 1996).

          10.1         Copy of Employment Agreement between Tennessee Natural
                       Resources, Inc., and J. William Denny, dated April 27,
                       1984 (Exhibit 10.17, Registration Statement No. 33-
                       4767).

          10.2         Copy of the Company's Executive Long-Term Incentive Plan,
                       as amended through December 2, 1994 (Exhibit 10.3, Form
                       10-K for the fiscal year ended October 31, 1994).

          10.3         Copy of Employment Agreement between the Company and John
                       H. Maxheim, dated February 26, 1993 (Exhibit 10.4, Form
                       10-K for the fiscal year ended October 31, 1993).

          10.4         Copy of Articles of Organization of Cardinal Pipeline
                       Company, L.L.C., dated April 5, 1994 (Exhibit 10.1, Form
                       10-Q for the quarterly period ended April 30, 1994).

          10.5         Copy of Operating Agreement of Cardinal Pipeline Company,
                       L.L.C., dated March 23, 1994 (Exhibit 10.2, Form 10-Q for
                       the quarterly period ended April 30, 1994).

          10.6         Copy of Construction, Operating and Management Agreement
                       by and between Public Service Company of North Carolina,
                       Inc. and Cardinal Pipeline Company, L.L.C., dated March
                       23, 1994 (Exhibit 10.3, Form 10-Q for the quarterly
                       period ended April 30, 1994).

          10.7         Copy of Service Agreement under Rate Schedule LG-A, dated
                       January 15, 1971, between the Company and
                       Transcontinental Gas Pipe Line Corporation (Exhibit 67,
                       Registration Statement No. 2-59631).

          10.8         Copy of Service Agreement (5,900 Mcf per day) (Contract
                       No. 4995), dated August 1, 1991, between the Company and
                       Transcontinental Gas Pipe Line Corporation (Exhibit
                       10.20, Form 10-K for the fiscal year ended October 31,
                       1991).




                                       45

<PAGE>   48



          10.9         Copy of Service Agreement under Rate Schedule WSS
                       (69,701 dekatherms per day) (Contract No. 26419-001),
                       dated August 1, 1991, between the Company and
                       Transcontinental Gas Pipe Line Corporation (Exhibit
                       10.10, Form 10-K for the fiscal year ended October
                       31,1995).

          10.10        Copy of Service Agreement FT-Incremental Mainline (6,222
                       Mcf per day) (Contract No. 2268), dated August 1, 1991,
                       between the Company and Transcontinental Gas Pipe Line
                       Corporation (Exhibit 10.16, Form 10-K for the fiscal year
                       ended October 31, 1992).

          10.11        Copy of Service Agreement (FT, 205,200 Mcf per day)
                       (Contract No. 3702), dated February 1, 1992, between the
                       Company and Transcontinental Gas Pipe Line Corporation
                       (Exhibit 10.20, Form 10-K for the fiscal year ended
                       October 31, 1992).

          10.12        Copy of Service Agreement (Contract #800059) (SCT, 1,677
                       Dt/day), dated June 1, 1993, between the Company and
                       Texas Eastern Transmission Corporation (Exhibit 10.28,
                       Form 10-K for the fiscal year ended October 31, 1993).

          10.13        Copy of Gas Transportation Agreement for Use Under FT-A
                       Rate Schedule (Contract No. 237) (FTA, 130,000 Dt/day),
                       dated September 1, 1993, between the Company and
                       Tennessee Gas Pipeline Company (Exhibit 10.30, Form 10-K
                       for the fiscal year ended October 31, 1993).

          10.14        Copy of Gas Storage Contract for Use Under Rate Schedule
                       FS (Contract No. 2400) (672,091 Dt total capacity), dated
                       September 1, 1993, between the Company and Tennessee Gas
                       Pipeline Company (Exhibit 10.31, Form 10-K for the fiscal
                       year ended October 31, 1993).

          10.15        Copy of Service Agreement under Rate Schedule GSS, dated
                       October 1, 1993, between the Company and Transcontinental
                       Gas Pipe Line Corporation (Exhibit 10.22, Form 10-K for
                       the fiscal year ended October 31, 1995).

          10.16        Copy of FTS Service Agreement (23,000 Dt/day), dated
                       November 1, 1993, between the Company and Columbia Gas
                       Transmission Corporation (Exhibit 10.24, Form 10-K for
                       the fiscal year ended October 31, 1994).




                                       46

<PAGE>   49



          10.17        Copy of Service Agreement under Rate Schedule FSS
                       (2,263,920 Dt total capacity) (Contract No. 38015),
                       dated November 1, 1993, between the Company and Columbia
                       Gas Transmission Corporation (Exhibit 10.25, Form 10-K
                       for the fiscal year ended October 31, 1994).

          10.18        Copy of Service Agreement under Rate Schedule SST
                       (Winter: 10,000 Dt/day; Summer: 5,000 Dt/day) (Contract
                       No. 38052), dated November 1, 1993, between the Company
                       and Columbia Gas Transmission Corporation (Exhibit
                       10.26, Form 10-K for the fiscal year ended October 31,
                       1994).

          10.19        Copy of FSS Service Agreement (10,000 dekatherms per day
                       daily storage quantity) (Contract No. 38017), dated
                       November 1, 1993, between the Company and Columbia Gas
                       Transmission Corporation (Exhibit 10.26, Form 10-K for
                       the fiscal year ended October 31, 1995).

          10.20        Copy of SST Service Agreement (37,000 dekatherms per day)
                       (Contract No. 38054), dated November 1, 1993, between the
                       Company and Columbia Gas Transmission Corporation
                       (Exhibit 10.27, Form 10-K for the fiscal year ended
                       October 31, 1995).

          10.21        Copy of Service Agreement (20,504 Mcf per day), dated
                       June 6, 1994, between the Company and Transcontinental
                       Gas Pipe Line Corporation (Exhibit 10.29, Form 10-K for
                       the fiscal year ended October 31, 1995).

          10.22        Copy of FTS-1 Service Agreement (5,000 dekatherms per
                       day) (Contract No. 43462), dated September 14, 1994,
                       between the Company and Columbia Gulf Transmission
                       Company (Exhibit 10.30, Form 10-K for the fiscal year
                       ended October 31, 1995).

          10.23        Copy of FTS 1 Service Agreement (23,455 Dt per
                       day)(Contract No. 43461), dated September 14, 1994,
                       between the Company and Columbia Gulf Transmission
                       Company. (Exhibit 10.23, Form 10-K for the fiscal year
                       ended October 31, 1996).

          10.24        Copy of Letter of Agreement of Amendment No. 1 to Gas
                       Storage Service Agreement (50,798 Mcf maximum storage
                       withdrawal per day) (Contract No. 6815), dated July 1,
                       1995, between the Company and Tennessee Gas Pipeline
                       Company. (Exhibit 10.24, Form 10-K for the fiscal year
                       ended October 31, 1996).


                                       47

<PAGE>   50



          10.25        Copy of Letter of Agreement of Amendment No. 1 to Gas
                       Storage Service Agreement (6,190 Mcf maximum storage
                       withdrawal per day) (Contract No. 2400), dated July 1,
                       1995, between the Company and Tennessee Gas Pipeline
                       Company. (Exhibit 10.25, Form 10-K for the fiscal year
                       ended October 31, 1996).

          10.26        Copy of Firm Transportation Agreement (FT/NT), dated
                       September 22, 1995, between the Company and Texas Gas
                       Transmission Corporation. (Exhibit 10.26, Form 10-K for
                       the fiscal year ended October 31, 1996).

          10.27        Copy of Service Agreement Applicable to Transportation of
                       Natural Gas Under Rate Schedule FT (X-74 Assignment)
                       (12,875 Dt per day), dated October 18, 1995, between the
                       Company and CNG Transmission Corporation. (Exhibit 10.27,
                       Form 10-K for the fiscal year ended October 31,
                       1996).

          10.28        Copy of FT Service Agreement #01632 (24,995 Dt per day,
                       NIPPS), dated October 18, 1995, between the Company and
                       National Fuel Gas Supply Corporation. (Exhibit 10.28,
                       Form 10-K for the fiscal year ended October 31, 1996).

          10.29        Copy of Service Agreement (Southern Expansion, FT 53,000
                       Mcf per day peak winter months, 47,700 Mcf per day
                       shoulder winter months) (Contract No. 0.4189), dated
                       November 1, 1995, between the Company and
                       Transcontinental Gas Pipe Line Corporation.  (Exhibit
                       10.29, Form 10-K for the fiscal year ended October 31,
                       1996).

          10.30        Copy of Service Agreement (24,140 Mcf per day) (Contract
                       No. 1.1996 NIPPS), dated November 1, 1995, between the
                       Company and Transcontinental Gas Pipe Line Corporation.
                       (Exhibit 10.30, Form 10-K for the fiscal year ended
                       October 31, 1996).

          10.31        Copy of Service Agreement (12,785 Mcf per day) (Contract
                       No. 1.1994, FT/NT), dated November 1, 1995, between the
                       Company and Transcontinental Gas Pipe Line Corporation.
                       (Exhibit 10.31, Form 10-K for the fiscal year ended
                       October 31, 1996).

          10.32        Copy of Rate Schedule GSS Service Agreement, dated May
                       15, 1996, between the Company and CNG Transmission
                       Corporation. (Exhibit 10.32, Form 10-K for the fiscal
                       year ended October 31, 1996).


                                       48

<PAGE>   51



          10.33        Copy of Employment Agreement between the Company and
                       David J. Dzuricky, dated May 31, 1996. (Exhibit 10.33,
                       Form 10-K for the fiscal year ended October 31, 1996).

          10.34        Copy of Employment Agreement between the Company and Ray
                       B. Killough, dated May 31, 1996. (Exhibit 10.34, Form
                       10-K for the fiscal year ended October 31, 1996).

          10.35        Copy of Employment Agreement between the Company and Ware
                       F. Schiefer, dated May 31, 1996. (Exhibit 10.35, Form
                       10-K for the fiscal year ended October 31, 1996).

          10.36        Copy of Employment Agreement between the Company and
                       Thomas E. Skains, dated May 31, 1996. (Exhibit 10.36,
                       Form 10-K for the fiscal year ended October 31, 1996).

          10.37        Copy of Service Agreement (SE95/96), dated June 25, 1996,
                       between the Company and Transcontinental Gas Pipe Line
                       Corporation. (Exhibit 10.37, Form 10-K for the fiscal
                       year ended October 31, 1996).

          10.38        Copy of FSS Service Agreement (25,000 dekatherms per day)
                       (Contract No. 49775), dated November 22, 1995, between
                       the Company and Columbia Gas Transmission Corporation.

          10.39        Copy of SST Service Agreement (25,000 dekatherms per day
                       peak winter months, 12,500 dekatherms per day shoulder
                       months) (Contract No. 49773), dated November 22, 1995,
                       between the Company and Columbia Gas Transmission
                       Corporation.

          12           Computation of Ratio of Earnings to Fixed Charges.

          23           Independent Auditors' Consent.

          27           Financial Data Schedule (for Securities and Exchange
                       Commission use only).

          99           Annual Report on Form 11-K.



                                       49

<PAGE>   52


      (b)    Reports on Form 8-K

             On October 10, 1997, the Company filed a report on Form 8-K
             regarding settlement with a third party on certain environmental
             matters at nine manufactured gas plant sites.



                                       50

<PAGE>   53



                                   SIGNATURES

     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

                                PIEDMONT NATURAL GAS COMPANY, INC.
                                ----------------------------------
                                         (Registrant)



Date January 26, 1998           By:  /s/ John H. Maxheim
     ----------------                -------------------
                                     John H. Maxheim
                                     Chairman of the Board, President
                                     and Chief Executive Officer

     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
registrant and in the capacities and on the dates indicated.

     Signature                     Title                           Date
     ---------                     -----                           ----


/s/ John H. Maxheim         Chairman of the Board,           January 26, 1998
- ---------------------       President and Chief
John H. Maxheim             Executive Officer, and
                            Director


/s/ David J. Dzuricky       Senior Vice President-           January 26, 1998
- ----------------------      Finance
David J. Dzuricky           (Principal Financial
                            Officer)


/s/ Barry L. Guy            Vice President and               January 26, 1998
- ---------------------       Controller (Principal
Barry L. Guy                Accounting Officer)





                                       51

<PAGE>   54
     Signature                    Title                      Date
     ---------                    -----                      ----


/s/ Jerry W. Amos                Director                    January 26, 1998
- -----------------------------       
Jerry W. Amos             


                                 Director                    January 26, 1998
- -----------------------------      
C. M. Butler III           


/s/ Sam J. DiGiovanni            Director                    January 26, 1998
- -----------------------------       
Sam J. DiGiovanni


/s/ John W. Harris               Director                    January 26, 1998
- -----------------------------       
John W. Harris       


/s/ Muriel W. Helms              Director                    January 26, 1998
- -----------------------------      
Muriel W. Helms         


/s/ John F. McNair III           Director                    January 26, 1998
- -----------------------------       
John F. McNair III


/s/ Ned R. McWherter             Director                    January 26, 1998
- -----------------------------       
Ned R. McWherter 


/s/ Walter S. Montgomery, Jr.    Director                    January 26, 1998
- -----------------------------      
Walter S. Montgomery, Jr.


/s/ Donald S. Russell, Jr.       Director                    January 26, 1998
- -----------------------------       
Donald S. Russell, Jr.


/s/ John E. Simkins, Jr.         Director                    January 26, 1998
- -----------------------------       
John E. Simkins, Jr.          



                                       52
<PAGE>   55


                                                                     Schedule II

             PIEDMONT NATURAL GAS COMPANY, INC. AND SUBSIDIARIES

<TABLE>
<CAPTION>
                        Valuation and Qualifying Accounts
               For the Years Ended October 31, 1997, 1996 and 1995
- --------------------------------------------------------------------------------
               Balance at       Additions                         Balance
               Beginning        Charged to        Deductions      at End
Description    of Period    Costs and Expenses       (A)         of Period
- --------------------------------------------------------------------------------
                                 (in thousands)


Allowance for doubtful accounts:

<S>            <C>           <C>                  <C>             <C>   
    1997         $1,960             $3,922          $3,855           $2,027

    1996            972              2,846           1,858            1,960

    1995            947              1,805           1,780              972

</TABLE>


(A) Uncollectible accounts written off, net of recoveries and adjustments.




                                       53


<PAGE>   56


                       Piedmont Natural Gas Company, Inc.
                                    Form 10-K
                   For the Fiscal Year Ended October 31, 1997

                                    Exhibits
                                    --------

10.38          Copy of FSS Service Agreement (25,000 dekatherms per day)
               (Contract No. 49775), dated November 22, 1995, between
               the Company and Columbia Gas Transmission Corporation.

10.39          Copy of SST Service Agreement (25,000 dekatherms per day
               peak winter months, 12,500 dekatherms per day shoulder
               months)(Contract No. 49773), dated November 22, 1995
               between the Company and Columbia Gas Transmission
               Corporation.

12             Computation of Ratio of Earnings to Fixed Charges.

23             Independent Auditors' Consent.

27             Financial Data Schedule (for Securities and Exchange use
               only).

99             Annual Report on Form 11-K.



<PAGE>   1

                                                                   Exhibit 10.38

                                                     SERVICE AGREEMENT NO. 49775
                                                     CONTROL NO. 1995-04-30-0024


                              FSS SERVICE AGREEMENT

THIS AGREEMENT, made and entered into this 22nd day of November, 1995, by and
between:

         COLUMBIA GAS TRANSMISSION CORPORATION
         ("SELLER")
         AND
         PIEDMONT NATURAL GAS CO
         ("BUYER")


WITNESSETH: That in consideration of the mutual covenants herein contained, the
parties hereto agree as follows:


Section 1. Service to be Rendered. Seller shall perform and Buyer shall receive
the service in accordance with the provisions of the effective FSS Rate Schedule
and applicable General Terms and Conditions of Seller's FERC Gas Tariff, Second
Revised Volume No. 1 (Tariff), on file with the Federal Energy Regulatory
Commission (Commission), as the same may be amended or superseded in accordance
with the rules and regulations of the Commission. Seller shall store quantities
of gas for Buyer up to but not exceeding Buyer's Storage Contract Quantity as
specified in Appendix A, as the same may be amended from time to time by
agreement between Buyer and Seller, or in accordance with the rules and
regulations of the Commission. Service hereunder shall be provided subject to
the provisions of Part 284.223 of Subpart G of the Commission's regulations.
Buyer warrants that service hereunder is being provided on behalf of BUYER.


Section 2. Term. Service under this Agreement shall commence as of APRIL 01,
1997, or upon completion of facilities and shall continue in full force and
effect until OCTOBER 31, 2012, and from YEAR-TO-YEAR thereafter unless
terminated by either party upon 2 YEARS' written notice to the other prior to
the end of the initial term granted or any anniversary date thereafter.
Pre-granted abandonment shall apply upon termination of this Agreement, subject
to any right of first refusal Buyer may have under the Commission's regulations
and Seller's Tariff.


Section 3. Rates. Buyer shall pay the charges and furnish the Retainage
percentage


<PAGE>   2



                                                     SERVICE AGREEMENT NO. 49775
                                                     CONTROL NO. 1995-04-30-0024

                              FSS SERVICE AGREEMENT

set forth in the above-referenced Rate Schedule and specified in Seller's
currently effective Tariff, unless otherwise agreed to by the parties in writing
and specified in Seller's currently effective Tariff, unless otherwise agreed to
by the parties in writing and specified as an amendment of this Service
Agreement.


Section 4. Notices. Notices to Seller under this Agreement shall be addressed to
it at Post Office Box 1273, Charleston, West Virginia 25325-1273, Attention:
Manager-Agreements Administration and notices to Buyer shall be addressed to it
at:

         PIEDMONT NATURAL GAS CO
         1915 REXFORD ROAD
         CHARLOTTE, NC 28211

         ATTN:  CHUCK FLEENOR;
until changed by either party by written notice.

Section 5.  Superseded Agreements.  This Service Agreement supersedes and
cancels, as of the effective date hereof, the following Service Agreements: N/A.

         PIEDMONT NATURAL GAS CO
By:      /s/ C.W. Fleenor
         ------------------
Name:    Chuck W. Fleenor
Title:   Vice President - Gas Supply
Date:    November 22, 1995


         COLUMBIA GAS TRANSMISSION CORPORATION
By:      /s/ S.M. Warnick
         ------------------
Name:    Stephen M. Warnick
Title:   Vice President
Date:    November 27, 1995



<PAGE>   3



                                                                    Revision No.
                                                     Control No. 1995-04-30-0024

Appendix A to Service Agreement No. 49775
Under Rate Schedule FSS
Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
and (Buyer) PIEDMONT NATURAL GAS CO



                   Storage Contract Quantity           1,500,034 Dth

              Maximum Daily Storage Quantity              25,000 Dth per day




CANCELLATION OF PREVIOUS APPENDIX A



Service changes pursuant to this Appendix A shall become effective as of APRIL
01, 1997. This Appendix A shall cancel and supersede the previous Appendix A
effective as of N/A, to the Service Agreement referenced above. With the
exception of this Appendix A, all other terms and conditions of said Service
Agreement shall remain in full force and effect.


         PIEDMONT NATURAL GAS CO
By:      /s/ C.W. Fleenor
         ----------------
Name:    Chuck W. Fleenor
Title:   Vice President - Gas Supply
Date:    November 22, 1995

         COLUMBIA GAS TRANSMISSION CORPORATION
By:      /s/ S.M. Warnick
         ----------------
Name:    Stephen M. Warnick
Title:   Vice President
Date:    November 27, 1995



<PAGE>   4



                                                                    Revision No.
                                                     Control No. 1995-04-30-0024

                    Appendix A to Service Agreement No. 49775
                             Under Rate Schedule FSS
             Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
                       and (Buyer) PIEDMONT NATURAL GAS CO

GFNT     /        THIS SERVICE AGREEMENT AND ITS EFFECTIVENESS ARE
SUBJECT TO PRECEDENT AGREEMENT NO. 47762 BETWEEN BUYER AND
SELLER DATED MAY 11, 1995.




<PAGE>   1
                                                                   Exhibit 10.39

                                                     SERVICE AGREEMENT NO. 49773
                                                     CONTROL NO. 1995-04-30-0025

                              SST SERVICE AGREEMENT

THIS AGREEMENT, made and entered into this 22nd day of November, 1995, by and
between:

         COLUMBIA GAS TRANSMISSION CORPORATION
         ("SELLER")
         AND
         PIEDMONT NATURAL GAS CO
         ("BUYER")

WITNESSETH: That in consideration of the mutual covenants herein contained, the
parties hereto agree as follows:

Section 1. Service to be Rendered. Seller shall perform and Buyer shall receive
service in accordance with the provisions of the effective SST Rate Schedule and
applicable General Terms and Conditions of Seller's FERC Gas Tariff, Second
Revised Volume No. 1 (Tariff), on file with the Federal Energy Regulatory
Commission (Commission), as the same may be amended or superseded in accordance
with the rules and regulations of the Commission. The maximum obligation of
Seller to deliver gas hereunder to or for Buyer, the designation of the points
of delivery at which Seller shall deliver or cause gas to be delivered to or for
Buyer, and the points of receipt at which Buyer shall deliver or cause gas to be
delivered, are specified in Appendix A, as the same may be amended from time to
time by agreement between Buyer and Seller, or in accordance with the rules and
regulations of the Commission. Service hereunder shall be provided subject to
the provisions of Part 284.223 of Subpart G of the Commission's regulations.
Buyer warrants that service hereunder is being provided on behalf of BUYER.

Section 2. Term. Service under this Agreement shall commence as of NOVEMBER 01,
1997, or upon completion of facilities and shall continue in full force and
effect until OCTOBER 31, 2012, and from YEAR-to-YEAR thereafter unless
terminated by either party upon 2 YEARS' written notice to the other prior to
the end of the initial term granted or any anniversary date thereafter.
Pre-granted abandonment shall apply upon termination of this Agreement, subject
to any right of first refusal Buyer may have under the Commission's regulations
and Seller's Tariff.

Section 3. Rates. Buyer shall pay Seller the charges and furnish Retainage as
described in the above-referenced Rate Schedule, unless otherwise agreed to by
the parties in writing and specified as an amendment to this Service Agreement.




<PAGE>   2



                                                     SERVICE AGREEMENT NO. 49773
                                                     CONTROL NO. 1995-04-30-0025

                        SST SERVICE AGREEMENT (CONTINUED)

Section 4. Notices. Notices to Seller under this Agreement shall be addressed to
it at Post Office Box 1273, Charleston, West Virginia 25325-1273. Attention:
Manager - Agreements Administration and notices to Buyer shall be addressed to
it at:

         PIEDMONT NATURAL GAS CO
         1915 REXFORD ROAD
         CHARLOTTE, NC 28211

         ATTN: CHUCK FLEENOR
until changed by either party by written notice.

Section 5. Superseded Agreements. This Service Agreement supersedes and cancels,
as of the effective date hereof, the following Service Agreements: N/A

         PIEDMONT NATURAL GAS CO
By:      /s/ C.W. Fleenor
         ----------------
Name:    Chuck W. Fleenor
Title:   Vice President-Gas Supply
Date:    November 22, 1995

         COLUMBIA GAS TRANSMISSION CORPORATION
By:      /s/ S.M. Warnick
         ----------------
Name:    Stephen M. Warnick
Title:   Vice President
Date:    November 27, 1995



<PAGE>   3



                                                                    Revision No.
                                                     Control No. 1995-04-30-0025

                    Appendix A to Service Agreement No. 49773
                            Under Rate Schedule SST
             Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
                       and (Buyer) PIEDMONT NATURAL GAS CO


        October through March Transportation Demand     25,000 Dth/day
       April through September Transportation Demand    12,500 Dth/day

                             Primary Receipt Points

Scheduling        Scheduling                              Maximum Daily
Point No.         Point Name                              Quantity (Dth/Day)
- --------------------------------------------------------------------------------
STOW              STORAGE WITHDRAWALS                            25,000





<PAGE>   4



                                                                    Revision No.
                                                     Control No. 1995-04-30-0025

                    Appendix A to Service Agreement No. 49773
                             Under Rate Schedule SST
             Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
                       and (Buyer) PIEDMONT NATURAL GAS CO


                             Primary Delivery Points






<TABLE>
<CAPTION>
                                                             F
                                                             o
Scheduling                                                   o
Point No.                                                    t                                                  Maximum S1/
                                                             n                                Maximum           Delivery
                                                             o                                Daily             Pressure
                Scheduling                 Measuring         t    Measuring                   Delivery          Obligation
                Point Name                 Point No.         e    Point Name                  Obligation        (PSIG)
                                                                                              (Dth/Day)
- ---------------------------------------------------------------------------------------------------------------------------
<S>             <C>                        <C>                    <C>                         <C>               <C>
124             PIEDMONT NATURAL GAS       833097                 TRC BOSWELL TAVERN          25,000            750
</TABLE>



<PAGE>   5



                                                                    Revision No.
                                                     Control No. 1995-04-30-0025

                   Appendix A to Service Agreement No. 49773
                            Under Rate Schedule SST
             Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
                      and (Buyer) PIEDMONT NATURAL GAS CO.


S1           /    IF A MAXIMUM PRESSURE IS NOT SPECIFICALLY STATED, THEN
                  SELLER'S OBLIGATION SHALL BE AS STATED IN SECTION 13 (DELIVERY
                  PRESSURE) OF THE GENERAL TERMS AND CONDITIONS

GFNT         /    THIS SERVICE AGREEMENT AND ITS EFFECTIVENESS ARE SUBJECT TO
                  PRECEDENT AGREEMENT NO. 47762 BETWEEN BUYER AND SELLER DATED
                  MAY 11, 1995. 

                  UNLESS STATION SPECIFIC MDDOS ARE SPECIFIED IN A SEPARATE FIRM
                  SERVICE AGREEMENT BETWEEN SELLER AND BUYER, SELLER'S AGGREGATE
                  MAXIMUM DAILY DELIVERY OBLIGATION, UNDER THIS AND ANY OTHER
                  SERVICE AGREEMENT BETWEEN SELLER AND BUYER, AT THE STATIONS
                  LISTED ABOVE SHALL NOT EXCEED THE MDDO QUANTITIES SET FORTH
                  ABOVE FOR EACH STATION. ANY STATION SPECIFIC MDDOS IN A
                  SEPARATE FIRM SERVICE AGREEMENT BETWEEN SELLER AND BUYER SHALL
                  BE ADDITIVE TO THE INDIVIDUAL STATION MDDOS SET FORTH ABOVE.




<PAGE>   6


                                                                    Revision No.
                                                     Control No. 1995-04-30-0025

                    Appendix A to Service Agreement No. 49773
                             Under Rate Schedule SST
             Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
                       and (Buyer) PIEDMONT NATURAL GAS CO



The Master List of Interconnects (MLI) as defined in Section 1 of the General
Terms and Conditions of Seller's Tariff is incorporated herein by reference for
the purposes of listing valid secondary receipt and delivery points.


Service changes pursuant to this Appendix A shall become effective as of
NOVEMBER 01, 1997, or upon completion of facilities. This Appendix A shall
cancel and supersede the previous Appendix A effective as of N/A , to the
Service Agreement referenced above. With the exception of this Appendix A, all
other terms and conditions of said Service Agreement shall remain in full force
and effect.


         PIEDMONT NATURAL GAS CO
By:      /s/ C.W. Fleenor
         ----------------
Name:    Chuck W. Fleenor
Title:   Vice President-Gas Supply
Date:    November 22, 1995

         COLUMBIA GAS TRANSMISSION CORPORATION
By:      /s/ S.M. Warnick
         ----------------
Name:    Stephen M. Warnick
Title:   Vice President
Date:    November 27, 1995




<PAGE>   1

                                                                      Exhibit 12





               PIEDMONT NATURAL GAS COMPANY, INC. AND SUBSIDIARIES
                Computation of Ratio of Earnings to Fixed Charges
              For Fiscal Years Ended October 31, 1993 through 1997
                       (in thousands except ratio amounts)


<TABLE>
<CAPTION>
                                   1997      1996      1995     1994     1993
                                 --------  --------  --------  -------  -------
<S>                              <C>       <C>       <C>       <C>      <C> 
Earnings:
    Net income from
      continuing operations      $ 54,074  $ 48,562  $ 40,310  $35,506  $37,534
    Income taxes                   34,650    30,928    25,442   21,407   23,427
    Fixed charges                  39,263    37,009    35,651   29,736   26,715
                                 --------  --------  --------  -------  -------
        Total Adjusted Earnings  $127,987  $116,499  $101,403  $86,649  $87,676
                                 ========  ========  ========  =======  =======

Fixed Charges:
    Interest                     $ 36,949  $ 34,511  $ 33,224  $27,671  $24,870
    Amortization of debt
      expense                         346       345       336      334      192
    One-third of rental expense     1,968     2,153     2,091    1,731    1,653
                                 --------  --------  --------  -------  -------
        Total Fixed Charges      $ 39,263  $ 37,009  $ 35,651  $29,736  $26,715
                                 ========  ========  ========  =======  =======

Ratio of Earnings to Fixed
    Charges                          3.26      3.15      2.84     2.91     3.28
                                     ====      ====      ====     ====     ====
</TABLE>


<PAGE>   1
                                                                      Exhibit 23


INDEPENDENT AUDITORS' CONSENT



Piedmont Natural Gas Company, Inc.:

We consent to the incorporation by reference in Post-Effective Amendment No. 3
to Registration Statement No. 2-67478 on Form S-8, in Post-Effective Amendment
No. 2 to Registration Statement No. 33-3815 on Form S-8, in Registration
Statement No. 333-01855 on Form S-3, in Post-Effective Amendment No. 1 to
Registration Statement No. 33-59369 on Form S-3, in Registration Statement No.
33-61093 on Form S-8, in Registration Statement No. 333-26161 on Form S-3, in
Registration Statement No. 333-34433 on Form S-8, in Registration Statement No.
333-34435 on Form S-8, and in Registration Statement No. 333-35213 on Form S-3
of our report dated December 19, 1997, appearing in the Annual Report on Form
10-K of Piedmont Natural Gas Company, Inc. for the year ended October 31, 1997.





/s/ DELOITTE & TOUCHE LLP

Charlotte, North Carolina
January 26, 1998





<TABLE> <S> <C>

<ARTICLE> UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF PIEDMONT NATURAL GAS COMPANY FOR THE YEAR ENDED
OCTOBER 31, 1997, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH 
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          OCT-31-1997
<PERIOD-START>                             NOV-01-1996
<PERIOD-END>                               OCT-31-1997
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                      914,354
<OTHER-PROPERTY-AND-INVEST>                     27,382
<TOTAL-CURRENT-ASSETS>                         132,156
<TOTAL-DEFERRED-CHARGES>                        24,264
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               1,098,156
<COMMON>                                       262,576
<CAPITAL-SURPLUS-PAID-IN>                            0
<RETAINED-EARNINGS>                            157,250
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 419,826
                                0
                                          0
<LONG-TERM-DEBT-NET>                           381,000
<SHORT-TERM-NOTES>                              25,000
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                   10,000
                            0
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 262,330
<TOT-CAPITALIZATION-AND-LIAB>                1,098,156
<GROSS-OPERATING-REVENUE>                      775,517
<INCOME-TAX-EXPENSE>                            31,948
<OTHER-OPERATING-EXPENSES>                     659,583
<TOTAL-OPERATING-EXPENSES>                     691,531
<OPERATING-INCOME-LOSS>                         83,986
<OTHER-INCOME-NET>                               4,084
<INCOME-BEFORE-INTEREST-EXPEN>                  88,070
<TOTAL-INTEREST-EXPENSE>                        33,996
<NET-INCOME>                                    54,074
                          0
<EARNINGS-AVAILABLE-FOR-COMM>                   54,074
<COMMON-STOCK-DIVIDENDS>                        36,008
<TOTAL-INTEREST-ON-BONDS>                            0
<CASH-FLOW-OPERATIONS>                         139,455
<EPS-PRIMARY>                                     1.81
<EPS-DILUTED>                                        0
        

</TABLE>

<PAGE>   1
                                                                      Exhibit 99

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D. C. 20549


                                  -------------

                                    FORM 11-K

                                  -------------

                              For Annual Reports of
               Employee Stock Purchase, Savings and Similar Plans
                        Pursuant to Section 15(d) of the
                         Securities Exchange Act of 1934


                   For the fiscal year ended October 31, 1997


                          Commission file number 1-6196


A. Full title of the plans and address of the plans, if different from that of
the issuer named below:

            Piedmont Natural Gas Company Employee Stock Purchase Plan
            Piedmont Natural Gas Company Employee Stock Ownership Plan


B. Name of issuer of the securities held pursuant to the plans and the address
of its principal executive office:

                       PIEDMONT NATURAL GAS COMPANY, INC.
                                1915 Rexford Road
                         Charlotte, North Carolina 28211




<PAGE>   2


            PIEDMONT NATURAL GAS COMPANY EMPLOYEE STOCK PURCHASE PLAN


            There were no material changes in the provisions of the Piedmont
Natural Gas Company Employee Stock Purchase Plan (ESPP) during the year ended
October 31, 1997. Financial statements are not required under Article 6A of
Regulation S-X since the shares purchased by employees under the ESPP are not
held by a trustee. Participating employees are furnished a statement after each
stock purchase date (June 30 and December 31) showing the number of shares and
the purchase price of any stock purchased for them and the balance remaining to
their credit. At October 31, 1997, 582 employees participated in the ESPP.

                                        1

<PAGE>   3


           PIEDMONT NATURAL GAS COMPANY EMPLOYEE STOCK OWNERSHIP PLAN

                 STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS
                            October 31, 1997 and 1996

<TABLE>
<CAPTION>
Assets:
                                                       1997           1996
                                                    ----------     ----------
<S>                                                 <C>            <C>       
Investment in Common Stock of Piedmont Natural 
  Gas Company, Inc., at market value - 231,860 
  and 240,457 shares (cost $2,662,664 and
  $2,621,591) at 1997 and 1996, respectively        $6,492,080     $5,891,197
Receivable on sale of stock                             75,522            135
Short-term investment fund, at cost which
  approximates market                                      482            223
Other                                                       56              1
                                                    ----------     ----------

Total Assets and Net Assets Available
  for Plan Benefits                                 $6,568,140     $5,891,556
                                                    ==========     ==========

</TABLE>




See notes to financial statements.

                                        2

<PAGE>   4

           PIEDMONT NATURAL GAS COMPANY EMPLOYEE STOCK OWNERSHIP PLAN

           STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS
               For the Years Ended October 31, 1997, 1996 and 1995


<TABLE>
<CAPTION>
                                            1997          1996          1995
                                         ----------    ----------    ----------
<S>                                      <C>           <C>           <C>       
Dividend and interest income             $  281,528    $  269,400    $  256,811
Gain (loss) on sale of assets (Note 3)       44,876       (30,109)       65,663
Net appreciation in fair value
  of investment in Common Stock             764,046       624,623       361,882
Withdrawals by participants                (413,866)     (165,310)     (415,884)
                                         ----------    ----------    ----------

Net increase                                676,584       698,604       268,472
Net assets available for benefits:
 Beginning of year                        5,891,556     5,192,952     4,924,480
                                         ----------    ----------    ----------

 End of year                             $6,568,140    $5,891,556    $5,192,952
                                         ==========    ==========    ==========

</TABLE>






See notes to financial statements.



                                        3

<PAGE>   5



           PIEDMONT NATURAL GAS COMPANY EMPLOYEE STOCK OWNERSHIP PLAN

                          NOTES TO FINANCIAL STATEMENTS

1.       DESCRIPTION OF THE PLAN

         The Piedmont Natural Gas Company Employee Stock Ownership Plan (ESOP)
         was established to enable employees to acquire Common Stock of the
         Company. Through 1986, the Company contributed to the ESOP amounts
         equal to a tax credit based on aggregate compensation paid or accrued
         to all employees under the ESOP. The Tax Reform Act of 1986 eliminated
         the tax credit allowance, and no Company contributions have been made
         since 1987.

         The ESOP is administered by an ESOP Administration Committee approved
         by the Company's Board of Directors. The Company pays the
         administrative expenses of the ESOP. The Trust Client Services
         department of Wachovia Bank of North Carolina, N.A., serves as the
         trustee and custodian of the ESOP. The ESOP is subject to the
         provisions of the Employee Retirement Income Security Act of 1974
         (ERISA).

         A participant in the ESOP is defined as an active eligible employee
         with a balance in his or her ESOP account. An employee is eligible to
         participate following the later of the date on which he or she
         completes at least 1,000 hours of service during a period of 12
         consecutive months or attains age 21. However, employees who reached
         eligibility subsequent to the termination of Company contributions are
         not considered participants as no contributions have been credited to
         them.

         Separate accounts are maintained for each participant to reflect the
         allocation of contributions and subsequent dividend and investment
         income. Any income credited to participants is reinvested in Common
         Stock. The ESOP provides for immediate vesting.

         Distributions from the ESOP are made either at early retirement (age 55
         and 10 years of service), at normal retirement (age 65), at actual
         retirement for a participant who remains employed after attaining
         normal retirement age, at permanent disability or at death of the
         participant. The Administration Committee of the ESOP may, in its sole
         discretion, direct an earlier distribution following a participant's
         termination of employment.




                                        4

<PAGE>   6




         A participant who has reached age 55 and completed ten years of
         participation in the ESOP has the right to diversify a portion of his
         or her account balance each year during the qualified election period.

         The Company may terminate the ESOP at any time and may either cause the
         ESOP to continue operations until the ESOP trustee has distributed all
         benefits or cause the assets of the ESOP to be liquidated and
         distributed.

2.       BASIS OF ACCOUNTING

         The financial statements are presented on the accrual basis of
         accounting.

         The preparation of financial statements in conformity with generally
         accepted accounting principles requires management to make estimates
         and assumptions that affect the reported amounts of assets and
         liabilities and disclosure of contingent assets and liabilities at the
         date of the financial statements and the reported amounts of income and
         expenses during the reporting period. Actual results could differ from
         those estimates.

         The investment in the Company's Common Stock is valued at fair market
         value on October 31, 1997 and 1996, determined by quoted market values
         on the New York Stock Exchange. Dividend income is accrued on the
         ex-dividend date. Purchases and sales of securities are recorded on a
         trade-date basis. Realized gains and losses from security transactions
         are reported on the average cost method.

         Certain prior year amounts have been reclassified to conform to the
         1997 presentation.

3.       GAIN (LOSS) ON SALE OF ASSETS

         The gain (loss) on sale of assets for the years ended October 31, 1997,
         1996 and 1995, is computed as follows:

<TABLE>
<CAPTION>
                                        1997          1996        1995
                                      --------      --------    --------
<S>                                   <C>           <C>         <C>     
         Gross proceeds               $448,975      $  1,397    $195,724
         Historical cost               404,099        31,506     130,061
                                      --------      --------    --------
         Gain (loss)                  $ 44,876      $(30,109)   $ 65,663
                                      ========      ========    ========
</TABLE>


                                        5

<PAGE>   7


4.       NET ASSETS AVAILABLE FOR BENEFITS

         Net assets available for benefits adjusted for the payable to
         participants for withdrawal for the years ended October 31, 1997, 1996
         and 1995, are as follows:

<TABLE>
<CAPTION>
                                                1997          1996          1995
                                             ----------    ----------    ----------
<S>                                          <C>           <C>           <C>       
         Net assets available for
           benefits at end of year           $6,568,140    $5,891,556    $5,192,952
         Payable to participants
           for withdrawals                      205,919       156,025        70,795
                                             ----------    ----------    ----------
         Net assets available for
           benefits adjusted for
           payable to participants
           for withdrawals                   $6,362,221    $5,735,531    $5,122,157
                                             ==========    ==========    ==========
</TABLE>

5.       TAX STATUS

         The ESOP is qualified under Sections 401 and 409 of the Internal
         Revenue Code of 1986, as amended (the Tax Code). The Internal Revenue
         Service has informed the Company by letter that the ESOP, as designed,
         is qualified, and the trust established under the ESOP is exempt from
         income taxes under Section 501(a) of the Tax Code. The ESOP has been
         amended since receiving the determination letter. However, the ESOP
         administrator and tax counsel believe that the ESOP is currently
         designed and being operated in compliance with the applicable
         requirements of the Code.

         The amount of the distribution under the ESOP is taxed to the recipient
         as ordinary income, with the taxable amount attributed to Common Stock
         distributed to a participant being the lesser of the cost to the trust
         or its fair market value on the date of distribution. Any increase in
         the value of the Common Stock is not taxed during the period that the
         stock is held by the trust nor upon its distribution to the
         participant. If stock is sold by a participant after distribution, the
         sale is subject to capital gain or loss treatment, depending on the
         sales price of the stock.



                                        6

<PAGE>   8


INDEPENDENT AUDITORS' REPORT



Piedmont Natural Gas Company
  Employee Stock Ownership Plan:

We have audited the accompanying statements of net assets available for benefits
of the Piedmont Natural Gas Company Employee Stock Ownership Plan (the Plan) as
of October 31, 1997 and 1996, and the related statements of changes in net
assets available for benefits for each of the three years in the period ended
October 31, 1997. These financial statements are the responsibility of the
Plan'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 financial statements referred to above present fairly, in
all material respects, the net assets available for benefits of the Plan as of
October 31, 1997 and 1996, and the changes in net assets available for benefits
for each of the three years in the period ended October 31, 1997 in conformity
with generally accepted accounting principles.




/s/ Deloitte & Touche LLP
- -------------------------
DELOITTE & TOUCHE LLP

Charlotte, North Carolina
January 5, 1998



                                        7



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