UNITED STATES SECURITIES & EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2012 Check here if Amendment [ ];Amendment Number: This amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: The Adams Express Company Address: 7 St. Paul Street, Suite 1140 Baltimore, MD 21202 Form 13F File Number:28-597 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Christine M. Sloan Title Assistant Treasurer Phone (410) 752-5900 Signature, Place, and Date of Signing: /s/ Christine M. Sloan Baltimore, MD April 20, 2012 [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report). [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 99 Form 13F Information Table Value Total: $1,105,555 (in thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. NONE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 NAME OF ISSUER TITLE CUSIP VALUE SHRS OR SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY OF CLASS (x $1000) PRN AMT PRN CALL DISCRETN MANAGER SOLE SHARED NONE ACE LTD. SHS H0023R105 12,078 165,000 SH SOLE 165,000 ADTRAN, INC. COM 00738A106 3,188 102,200 SH SOLE 102,200 AFFILIATED MANAGERS COM 008252108 2,124 19,000 SH SOLE 19,000 AIR PRODUCTS & CHEMICALS COM 009158106 2,754 30,000 SH SOLE 30,000 APPLE INC. COM 037833100 47,958 80,000 SH SOLE 80,000 AT&T CORP. COM 00206R102 14,834 475,000 SH SOLE 475,000 AUTOMATIC DATA PROCESSING INC. COM 053015103 11,038 200,000 SH SOLE 200,000 AVON PRODUCTS, INC. COM 054303102 6,962 359,600 SH SOLE 359,600 AXIS CAPITAL HOLDINGS LTD. SHS G0692U109 6,302 190,000 SH SOLE 190,000 BANK OF AMERICA CORP. COM 060505104 8,900 930,000 SH SOLE 930,000 BANK OF NEW YORK MELLON CORP. COM 064058100 9,743 403,775 SH SOLE 403,775 BORGWARNER INC. COM 099724106 11,386 135,000 SH SOLE 135,000 BRISTOL-MYERS SQUIBB CO. COM 110122108 5,368 159,061 SH SOLE 159,061 BROADCOM CORP. CL A 111320107 3,930 100,000 SH SOLE 100,000 BUNGE LTD. COM G16962105 8,897 130,000 SH SOLE 130,000 CAPITAL ONE FINANCIAL CORP. COM 14040H105 13,378 240,000 SH SOLE 240,000 CATERPILLAR INC. COM 149123101 17,043 160,000 SH SOLE 160,000 CELGENE CORP. COM 151020104 9,302 120,000 SH SOLE 120,000 CENTURYLINK INC. COM 156700106 13,914 360,000 SH SOLE 360,000 CF INDUSTRIES HOLDINGS, INC. COM 125269100 7,038 38,531 SH SOLE 38,531 CHEVRON CORP. COM 166764100 17,802 166,000 SH SOLE 166,000 CISCO SYSTEMS, INC. COM 17275R102 17,978 850,000 SH SOLE 850,000 CLIFFS NATURAL RESOURCES INC. COM 18683K101 5,610 81,000 SH SOLE 81,000 COCA-COLA CO. COM 191216100 14,802 200,000 SH SOLE 200,000 COGNIZANT TECHNOLOGY SOLUTIONS CL A 192446102 11,543 150,000 SH SOLE 150,000 COLUMBIA SPORTSWEAR CO. COM 198516106 9,490 200,000 SH SOLE 200,000 CONSOL ENERGY INC. COM 20854P109 2,513 73,700 SH SOLE 73,700 CVS/CAREMARK CORP. COM 126650100 13,216 295,000 SH SOLE 295,000 DIAGEO PLC ADR SPON ADR NEW 25243Q205 192 2,000 SH SOLE 2,000 DIGITAL REALTY TRUST INC. COM 253868103 1,110 15,000 SH SOLE 15,000 DOW CHEMICAL CO. COM 260543103 12,470 360,000 SH SOLE 360,000 EMERSON ELECTRIC CO. COM 291011104 11,480 220,000 SH SOLE 220,000 EXPRESS SCRIPTS INC. COM 302182100 11,920 220,000 SH SOLE 220,000 EXXON MOBIL CORP. COM 30231G102 9,974 115,000 SH SOLE 115,000 F5 NETWORKS INC. COM 315616102 6,073 45,000 SH SOLE 45,000 FEDEX CORP. COM 31428X106 10,575 115,000 SH SOLE 115,000 FREEPORT-MCMORAN COPPER & GOLD COM 35671D857 7,825 205,700 SH SOLE 205,700 GENERAL ELECTRIC CO. COM 369604103 10,838 540,000 SH SOLE 540,000 GILEAD SCIENCES INC. COM 375558103 12,213 250,000 SH SOLE 250,000 GOODRICH CORP. COM 382388106 3,763 30,000 SH SOLE 30,000 GOOGLE INC. CL A 38259P508 14,364 22,400 SH SOLE 22,400 HALLIBURTON CO. COM 406216101 4,978 150,000 SH SOLE 150,000 HEWLETT-PACKARD CO. COM 428236103 5,958 250,000 SH SOLE 250,000 HONEYWELL INT'L INC. COM 438516106 15,568 255,000 SH SOLE 255,000 INTEL CORP. COM 458140100 22,207 790,000 SH SOLE 790,000 JOHNSON & JOHNSON COM 478160104 16,820 255,000 SH SOLE 255,000 JPMORGAN CHASE & CO. COM 46625H100 27,588 600,000 SH SOLE 600,000 KANSAS CITY SOUTHERN COM NEW 485170302 3,943 55,000 SH SOLE 55,000 LIFE TECHNOLOGIES CORP. COM 53217V109 9,764 200,000 SH SOLE 200,000 LOWE'S COMPANIES, INC. COM 548661107 18,828 600,000 SH SOLE 600,000 MARRIOTT INTERNATIONAL INC. CL A 571903202 11,355 300,000 SH SOLE 300,000 MASCO CORP. COM 574599106 9,693 725,000 SH SOLE 725,000 MCDONALD'S CORP. COM 580135101 23,544 240,000 SH SOLE 240,000 MCKESSON CORP. COM 58155Q103 1,826 20,800 SH SOLE 20,800 MDU RESOURCES GROUP, INC. COM 552690109 6,954 310,600 SH SOLE 310,600 MEDTRONIC, INC. COM 585055106 13,717 350,000 SH SOLE 350,000 METLIFE INC. COM 59156R108 10,645 285,000 SH SOLE 285,000 MICROSOFT CORP. COM 594918104 22,575 700,000 SH SOLE 700,000 MORGAN STANLEY COM NEW 617446448 2,357 120,000 SH SOLE 120,000 NATIONAL OILWELL VARCO, INC. COM 637071101 7,947 100,000 SH SOLE 100,000 NETAPP, INC. COM 64110D104 5,596 125,000 SH SOLE 125,000 NEWELL RUBBERMAID INC. COM 651229106 7,124 400,000 SH SOLE 400,000 NISOURCE INC. COM 65473P105 1,826 75,000 SH SOLE 75,000 NORFOLK SOUTHERN CORP. COM 655844108 6,583 100,000 SH SOLE 100,000 NORTHEAST UTILITIES COM 664397106 7,164 193,000 SH SOLE 193,000 OLD DOMINION FREIGHT LINE INC. COM 679580100 1,668 35,000 SH SOLE 35,000 ORACLE CORP. COM 68389X105 22,162 760,000 SH SOLE 760,000 PEABODY ENERGY CORP. COM 704549104 1,189 41,060 SH SOLE 41,060 PEPSICO, INC. COM 713448108 19,905 300,000 SH SOLE 300,000 PETROLEUM & RESOURCES CORP. COM 716549100 56,856 2,186,774 SH SOLE 2,186,774 PFIZER INC COM 717081103 18,128 800,000 SH SOLE 800,000 PHILIP MORRIS INTERNATIONAL INC.COM 718172109 13,291 150,000 SH SOLE 150,000 PNC FINANCIAL SERVICES GROUP, COM 693475105 15,155 235,000 SH SOLE 235,000 POTASH CORP OF SASKATCHEWAN INC.COM 73755L107 5,944 130,100 SH SOLE 130,100 PRAXAIR, INC. COM 74005P104 7,738 67,500 SH SOLE 67,500 PROCTER & GAMBLE CO. COM 742718109 18,819 280,000 SH SOLE 280,000 PRUDENTIAL FINANCIAL, INC. COM 744320102 9,509 150,000 SH SOLE 150,000 QUALCOMM INC. COM 747525103 20,406 300,000 SH SOLE 300,000 RYLAND GROUP INC. COM 783764103 11,828 613,500 SH SOLE 613,500 SAFEWAY INC. COM NEW 786514208 6,871 340,000 SH SOLE 340,000 SCHLUMBERGER LTD COM 806857108 8,392 120,000 SH SOLE 120,000 SEADRILL LTD. SHS G7945E105 3,755 100,100 SH SOLE 100,100 SENOMYX, INC. COM 81724Q107 3,519 1,284,400 SH SOLE 1,284,400 SOUTH JERSEY INDUSTRIES INC. COM 838518108 5,004 100,000 SH SOLE 100,000 SPECTRA ENERGY CORP. COM 847560109 12,802 405,780 SH SOLE 405,780 SPIRIT AEROSYSTEMS HOLDINGS,INC.COM CL A 848574109 12,230 500,000 SH SOLE 500,000 T. ROWE PRICE GROUP INC. COM 74144T108 9,795 150,000 SH SOLE 150,000 TARGET CORP. COM 87612E106 18,646 320,000 SH SOLE 320,000 TECK RESOURCES LTD CL B 878742204 3,388 95,000 SH SOLE 95,000 TEREX CORP. COM 880779103 450 20,000 SH SOLE 20,000 TEVA PHARMACEUTICAL INDUSTRIES ADR 881624209 9,913 220,000 SH SOLE 220,000 UNILEVER PLC ADR SPON ADR NEW 904767704 15,203 460,000 SH SOLE 460,000 UNITED TECHNOLOGIES CORP. COM 913017109 8,294 100,000 SH SOLE 100,000 UNITEDHEALTH GROUP INC. COM 91324P102 13,409 227,500 SH SOLE 227,500 VERIZON COMMUNICATIONS COM 92343V104 8,793 230,000 SH SOLE 230,000 WALT DISNEY CO. COM 254687106 21,014 480,000 SH SOLE 480,000 WELLS FARGO & CO. COM 949746101 22,362 655,000 SH SOLE 655,000 WISCONSIN ENERGY CORP. COM 976657106 5,277 150,000 SH SOLE 150,000 ZIMMER HOLDINGS, INC. COM 98956P102 7,392 115,000 SH SOLE 115,000 1,105,555