The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AT&T INC Common 00206R102 111,437 2,620,200 SH   SOLE   2,620,200 0 0
ABBVIE INC Common 00287Y109 26,188 418,200 SH   SOLE   418,200 0 0
ALLETE INC Common 018522300 13,294 207,100 SH   SOLE   207,100 0 0
ALLIANT ENERGY CORP Common 018802108 12,276 324,000 SH   SOLE   324,000 0 0
ALTRIA GROUP INC Common 02209S103 30,902 457,000 SH   SOLE   457,000 0 0
AMEREN CORP Common 023608102 20,115 383,442 SH   SOLE   383,442 0 0
AMERICAN ELECTRIC POWER CO INC Common 025537101 10,691 169,800 SH   SOLE   169,800 0 0
ASTRAZENECA PLC Common 046353108 25,981 951,000 SH   SOLE   951,000 0 0
AVISTA CORP Common 05379B107 11,097 277,500 SH   SOLE   277,500 0 0
BB & T CORP Common 054937107 11,332 241,000 SH   SOLE   241,000 0 0
BP PLC ADR Common 055622104 61,023 1,632,500 SH   SOLE   1,632,500 0 0
BALDWIN & LYONS INC Common 057755209 6,703 266,000 SH   SOLE   266,000 0 0
BOEING CO Common 097023105 33,004 212,000 SH   SOLE   212,000 0 0
CF INDUSTRIES HOLDINGS INC Common 125269100 22,917 728,000 SH   SOLE   728,000 0 0
CATERPILLAR INC Common 149123101 70,028 755,100 SH   SOLE   755,100 0 0
CENTERPOINT ENERGY INC Common 15189T107 26,882 1,091,000 SH   SOLE   1,091,000 0 0
CHEVRON CORP Common 166764100 91,888 780,700 SH   SOLE   780,700 0 0
CINCINNATI FINANCIAL CORP Common 172062101 43,912 579,700 SH   SOLE   579,700 0 0
CISCO SYSTEMS Common 17275R102 40,779 1,349,400 SH   SOLE   1,349,400 0 0
COCA COLA CO Common 191216100 52,418 1,264,300 SH   SOLE   1,264,300 0 0
CONSOLIDATED EDISON INC Common 209115104 40,177 545,286 SH   SOLE   545,286 0 0
CUMMINS INC Common 231021106 38,814 284,000 SH   SOLE   284,000 0 0
DEERE & CO Common 244199105 40,602 394,040 SH   SOLE   394,040 0 0
DOMINION RESOURCES INC Common 25746U109 28,223 368,500 SH   SOLE   368,500 0 0
DONEGAL GROUP INC Common 257701201 2,972 170,000 SH   SOLE   170,000 0 0
DOW CHEMICAL COMPANY Common 260543103 59,989 1,048,400 SH   SOLE   1,048,400 0 0
DUKE ENERGY CORP Common 26441C204 32,996 425,095 SH   SOLE   425,095 0 0
EATON VANCE CORP Common 278265103 15,831 378,000 SH   SOLE   378,000 0 0
EMERSON ELECTRIC CO Common 291011104 39,332 705,500 SH   SOLE   705,500 0 0
EMPIRE DISTRICT ELECTRIC Common 291641108 15,937 467,500 SH   SOLE   467,500 0 0
ERIE INDEMNITY CO CL A Common 29530P102 25,031 222,600 SH   SOLE   222,600 0 0
EXXON MOBIL CORP Common 30231G102 59,084 654,600 SH   SOLE   654,600 0 0
FLOWERS FOODS INC Common 343498101 24,164 1,210,000 SH   SOLE   1,210,000 0 0
GALLAGHER ARTHUR J Common 363576109 46,993 904,400 SH   SOLE   904,400 0 0
GENERAL ELECTRIC CO Common 369604103 52,311 1,655,400 SH   SOLE   1,655,400 0 0
GENERAL MILLS INC Common 370334104 19,748 319,700 SH   SOLE   319,700 0 0
GENUINE PARTS CO Common 372460105 17,579 184,000 SH   SOLE   184,000 0 0
GLAXOSMITHKLINE ADR Common 37733W105 50,852 1,320,500 SH   SOLE   1,320,500 0 0
GREAT PLAINS ENERGY INC Common 391164100 11,815 432,000 SH   SOLE   432,000 0 0
HELMERICH & PAYNE INC Common 423452101 38,243 494,100 SH   SOLE   494,100 0 0
INTEL CORP Common 458140100 36,861 1,016,300 SH   SOLE   1,016,300 0 0
IBM CORP Common 459200101 65,400 394,000 SH   SOLE   394,000 0 0
JOHNSON & JOHNSON Common 478160104 32,466 281,800 SH   SOLE   281,800 0 0
KELLOGG CO Common 487836108 14,189 192,500 SH   SOLE   192,500 0 0
KIMBERLY CLARK CORP Common 494368103 32,262 282,700 SH   SOLE   282,700 0 0
LEGGETT & PLATT INC Common 524660107 28,424 581,500 SH   SOLE   581,500 0 0
LILLY ELI & CO Common 532457108 22,065 300,000 SH   SOLE   300,000 0 0
MDU RESOURCES GROUP INC Common 552690109 37,401 1,300,000 SH   SOLE   1,300,000 0 0
MARATHON PETROLEUM GROUP Common 56585A102 19,586 389,000 SH   SOLE   389,000 0 0
MCDONALDS CORP Common 580135101 49,686 408,200 SH   SOLE   408,200 0 0
MERCK & CO INC Common 58933Y105 26,580 451,500 SH   SOLE   451,500 0 0
MERCURY GENERAL CORP Common 589400100 51,823 860,700 SH   SOLE   860,700 0 0
METLIFE INC Common 59156R108 31,386 582,400 SH   SOLE   582,400 0 0
NORFOLK SOUTHERN CO Common 655844108 20,447 189,200 SH   SOLE   189,200 0 0
NORTHWEST NATURAL GAS CO Common 667655104 15,745 263,300 SH   SOLE   263,300 0 0
NUCOR CORP Common 670346105 52,348 879,500 SH   SOLE   879,500 0 0
OGE ENERGY CORP Common 670837103 7,593 227,000 SH   SOLE   227,000 0 0
PPL CORP Common 69351T106 28,565 838,900 SH   SOLE   838,900 0 0
PAYCHEX INC Common 704326107 16,730 274,800 SH   SOLE   274,800 0 0
PEPSICO INC Common 713448108 31,515 301,200 SH   SOLE   301,200 0 0
PFIZER INC Common 717081103 49,970 1,538,500 SH   SOLE   1,538,500 0 0
PHILIP MORRIS INTERNATIONAL INC Common 718172109 52,168 570,200 SH   SOLE   570,200 0 0
PHILLIPS 66 Common 718546104 26,657 308,500 SH   SOLE   308,500 0 0
PRINCIPAL FINANCIAL GROUP Common 74251V102 32,112 555,000 SH   SOLE   555,000 0 0
PROCTER & GAMBLE CO Common 742718109 47,430 564,100 SH   SOLE   564,100 0 0
PUBLIC SERVICE ENTERPRISE GRP INC Common 744573106 26,525 604,500 SH   SOLE   604,500 0 0
QUALCOMM INC Common 747525103 35,534 545,000 SH   SOLE   545,000 0 0
ROCKWELL AUTOMATION INC Common 773903109 12,365 92,000 SH   SOLE   92,000 0 0
ROYAL DUTCH SHELL ADR Common 780259107 61,118 1,054,300 SH   SOLE   1,054,300 0 0
SCANA CORP Common 80589M102 15,667 213,800 SH   SOLE   213,800 0 0
SONOCO PRODUCTS Common 835495102 18,540 351,800 SH   SOLE   351,800 0 0
SOUTH JERSEY INDUSTRIES INC Common 838518108 16,340 485,000 SH   SOLE   485,000 0 0
SOUTHERN COMPANY Common 842587107 28,309 575,500 SH   SOLE   575,500 0 0
SPIRE INC Common 84857L101 10,328 160,000 SH   SOLE   160,000 0 0
SYSCO CORP Common 871829107 34,739 627,400 SH   SOLE   627,400 0 0
TEXAS INSTRUMENTS INC Common 882508104 13,135 180,000 SH   SOLE   180,000 0 0
3M CO Common 88579Y101 22,107 123,800 SH   SOLE   123,800 0 0
UNION PACIFIC CORP Common 907818108 17,107 165,000 SH   SOLE   165,000 0 0
UNITED BANKSHARES INC Common 909907107 6,845 148,000 SH   SOLE   148,000 0 0
UNITED PARCEL SERVICES INC Common 911312106 20,039 174,800 SH   SOLE   174,800 0 0
VECTREN CORP Common 92240G101 9,337 179,044 SH   SOLE   179,044 0 0
VERIZON COMMUNICATIONS INC Common 92343V104 100,088 1,875,000 SH   SOLE   1,875,000 0 0
WGL HOLDINGS INC Common 92924F106 16,675 218,600 SH   SOLE   218,600 0 0
WEC ENERGY GROUP INC Common 92939U106 18,366 313,151 SH   SOLE   313,151 0 0
WASTE MANAGEMENT INC Common 94106L109 24,868 350,700 SH   SOLE   350,700 0 0
WESTAR ENERGY INC Common 95709T100 18,596 330,000 SH   SOLE   330,000 0 0
XCEL ENERGY CORP Common 98389B100 22,019 541,000 SH   SOLE   541,000 0 0
EATON CORP Common G29183103 25,360 378,000 SH   SOLE   378,000 0 0