-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 BE9P3Fjy7ad9Vo0U1Ozq46OajINASRLevyH5/+BCTonXs58ZUCl9bqhtnTZIop7k
 M5IusCcs4HWiv1Y0choQiw==

<SEC-DOCUMENT>0000950123-09-032703.txt : 20090810
<SEC-HEADER>0000950123-09-032703.hdr.sgml : 20090810
<ACCEPTANCE-DATETIME>20090810131946
ACCESSION NUMBER:		0000950123-09-032703
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20090810
DATE AS OF CHANGE:		20090810

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIEDMONT NATURAL GAS CO INC
		CENTRAL INDEX KEY:			0000078460
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS DISTRIBUTION [4924]
		IRS NUMBER:				560556998
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-39349
		FILM NUMBER:		09998824

	BUSINESS ADDRESS:	
		STREET 1:		4720 PIEDMONT ROW DR
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210
		BUSINESS PHONE:		7043643120

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 33068
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28233

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CINCINNATI FINANCIAL CORP
		CENTRAL INDEX KEY:			0000020286
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				310746871
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		6200 S GILMORE RD
		CITY:			FAIRFIELD
		STATE:			OH
		ZIP:			45014
		BUSINESS PHONE:		5138702000

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 145496
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45250
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>l37281fsc13gza.txt
<DESCRIPTION>AMENDMENT TO SCHEDULE 13G
<TEXT>
<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                 SCHEDULE 13G/A

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 8)*

                          PIEDMONT NATURAL GAS COMPANY
                                (Name of Issuer)

                           COMMON STOCK, NO PAR VALUE
                         (Title of Class of Securities)

                                    720186105
                                 (CUSIP Number)

*    The remainder of this cover page shall be filled out for a reporting
     person's initial filing on this form with respect to the subject class of
     securities, and for any subsequent amendment containing information which
     would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

<PAGE>

CUSIP   720186105                                              13G/A page 2 of 6


- --------------------------------------------------------------------------------
[1]  Name of Reporting Persons S.S. or I.R.S. Identification Nos.

     CINCINNATI FINANCIAL CORPORATION 31-0746871
- --------------------------------------------------------------------------------
[2]  Check the Appropriate Box if a Member of a Group
          (a)  __________
          (b)  __________
- --------------------------------------------------------------------------------
[3]  SEC Use Only

- --------------------------------------------------------------------------------
[4]  Citizenship or Place of Organization

     FAIRFIELD, OHIO

- --------------------------------------------------------------------------------
Number of                   [5]  Sole Voting Power          3,300,953 *
Shares                      [6]  Shared Voting Power           -0-

Beneficially
Owned By

Each                        [7]  Sole Dispositive Power     3,300,953
Reporting                   [8]  Shared Dispositive Power      -0-
Person
With
- --------------------------------------------------------------------------------
[9]  Aggregate Amount Beneficially Owned By Each Reporting Person

     3,300,953
- --------------------------------------------------------------------------------
[10] Check Box
If the Aggregate Amount in Row [9] Excludes Certain Shares

     N/A
- --------------------------------------------------------------------------------
[11] Percent of Class Represented by Amount in Row 9

     4.5%
- --------------------------------------------------------------------------------
[12] Type of Reporting Person*

     PH, IC
- --------------------------------------------------------------------------------

<PAGE>

                                                               13G/A Page 3 of 6


Item 1 (a) Name of Issuer: PIEDMONT NATURAL GAS COMPANY

Item 1 (b) Address of issuer's Principal Executive Offices:
                           1915 REXFORD ROAD
                           CHARLOTTE, NC 28211

Item 2 (a) Name of Person Filing: CINCINNATI FINANCIAL CORPORATION

Item 2 (b) Address of Principal Business Office:
                           6200 SOUTH GILMORE RD.
                           FAIRFIELD, OHIO  45014-5141

Item 2 (c) Citizenship: OHIO

Item 2 (d) Title of Class of Securities: COMMON STOCK, NO PAR VALUE

Item 2 (e) CUSIP Number: 720186105

Item 3. Type of Reporting Person

(a)  [ ]  Broker or Dealer registered under Section 15 of the Act

(b)  [ ]  Bank as defined in section 3(a) (6) of the Act

(c)  [X]  Insurance Company as defined in sections 3(a) (19) of the Act

(d)  [ ]  Investment Company registered under section 8 of the Investment
          Company Act

(e)  [ ]  Investment Adviser registered under section 203 of the Investment
          Advisers Act of 1940

(f)  [ ]  Employees Benefit Plan, Pension Fund which is subject to the
          provisions of the Employee Retirement Income Security Act of 1947 or
          Endowment Fund

(g)  [X]  Parent Holding Company, in accordance with 240.13d-b (ii) (G)

(h)  [ ]  Group, in accordance with 240.13d-1 (b) (1) (ii) (H)

<PAGE>

                                                               13G/A page 4 of 6


Item 4 Ownership:

(a) Amount Beneficially Owned: 3,300,953

(b) Percent of Class: 4.5%

(c) Number of Shares as to which CFC has:

     (i)  sole power to vote or to direct the vote..................   3,300,953

     (ii) shared power to vote or to direct the vote................      -0-

     (iii) sole power to dispose or to direct the disposition of....   3,300,953

     (iv) shared power to dispose or to direct the disposition of...      -0-

Item 5. Ownership of Five Percent or less of A Class: 4.5%

Item 6. Ownership of More than Five Percent on Behalf of Another person.

                                       N/A

<PAGE>

                                                               13G/A page 5 of 6


Item 7. Identification and Classification of the Subsidiary which Acquired the
        Security Being Reported on by the parent Holding Company:

This Schedule 13G/A is being filed by the Cincinnati Financial Corporation for
itself or, if item 3(g) has been checked, as a parent holding company with
respect to the holding of its following subsidiaries:

     [X]  Cincinnati Financial Corporation (31-0746871), a parent holding
          company, in accordance with 240.13d-(b) (ii) (G)

     [X]  The Cincinnati Insurance Company (31-0542366), an insurance company as
          defined in sections 9 (a) (19) of the Act

     [ ]  The Cincinnati Casualty Company (31-0826946), an insurance company as
          defined in sections 3 (a) (19) of the Act

     [ ]  The Cincinnati Life Insurance Company (31-1213778), an insurance
          company as defined in sections 3 (a) (19) of the Act

     [ ]  Cincinnati Financial Retirement Plan Trust (31-0746871), an employee
          benefit plan, pension fund which is subject to the provisions of the
          Employee Retirement Income Security Act of 1947 or Endowment Fund

     [ ]  CinFin Capital Management (31-1596849), an Investment Adviser
          registered under section 203 of the Investment Advisers Act of 1940

<PAGE>

                                                               13G/A Page 6 of 6


Item 8. Identification and Classification of Members of the Group:

Item 9. Notice of Dissolution of Group:

Item 10. Certification:

          By signing below I certify that to the best of my knowledge and
          belief, the securities referred to above were acquired in the ordinary
          course of business and were not acquired for the purpose of and do not
          have the effect of changing or influencing the control of the issuer
          of such securities and were not acquired in connection with or as a
          participant in any transaction having such purposes or effect.

          Signature

          After reasonable inquiry and to the best of my knowledge and belief, I
          certify that the information set forth in this statement is true,
          complete and correct.

          Date: AUGUST 7, 2009

          Cincinnati Financial Corporation


          By: /s/ Steven J. Johnston
              -------------------------------------------------------
              Name: Steven J. Johnston, FCAS, MAAA, CFA
              Title: Chief Financial Officer, Secretary and Treasurer

          *    THIS STOCK IS HELD IN CUSTODY BY FIFTH THIRD BANK
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
