<DOCUMENT>
<TYPE>13F-HR
<SEQUENCE>1
<FILENAME>form13f1q06.txt
<DESCRIPTION>13F 1ST QUARTER 2006
<TEXT>
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 13F

       INFORMATION REQUIRED OF INSTITUTIONAL INVESTMENT MANAGERS PURSUANT
  TO SECTION 13(f) OF THE SECURITIES EXCHANGE ACT OF 1934 AND RULES THEREUNDER

          Report for the Calendar Year or Quarter Ended March 31, 2006

If Amended report check here: |_|

                              ASSOCIATED BANC-CORP
--------------------------------------------------------------------------------
Name of Institutional Investment Manager

                     1200 Hansen Road       Green Bay        WI         54304
--------------------------------------------------------------------------------
Business Address       (Street)              (City)        (State)      (Zip)

                                             Chief Administrative Officer,
Brian R. Bodager     (920) 491-7001    General Counsel and Corporate Secretary
--------------------------------------------------------------------------------
Name, Phone No. and Title of Person Duly Authorized to Submit This Report


                                   ATTENTION

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

                 Intentional misstatements or omissions of facts
                     constitute Federal Criminal Violations
                     See 18 U.S.C. 1001 and 15 U.S.C.78ff(a)
--------------------------------------------------------------------------------

The institutional  investment  manager  submitting this form and its attachments
and the  person  by whom it is  signed  represent  hereby  that all  information
contained  therein is true,  correct and  complete.  It is  understood  that all
required items,  statements and schedules are considered  integral parts of this
Form and that the  submission  of any  amendment  represents  that all unamended
items,  statements and schedules remain true, correct and complete as previously
submitted.

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
undersigned institutional investment manager has caused this report to be signed
on its behalf in the City of Green Bay and State of  Wisconsin on the 5th day of
April, 2006.

                                    Associated Banc-Corp
                                    --------------------------------------------
                                    Name of Institutional Investment Manager

                                    /s/ Brian R. Bodager
                                    --------------------------------------------
                                    Manual Signature of Person Duly Authorized
                                    to Submit This Report

Name and 13F file numbers of ALL institutional  investment managers with respect
to which this schedule is filed (other than the one filing this  report).  (List
in alphabetical order.)

13F file numbers will be assigned to  Institutional  Investment  Managers  after
they file their first report.

         Name                 13F File No.        Name        13F File No.
         ----                 ------------        ----        ------------

Associated Trust Company,
National Association
-------------------------     ------------        ----        ------------
<PAGE>
SAVSTMTS
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE    1
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>         <C>        <C>
KINDER MORGAN MGMT LLC FRACTIONAL SH  EKE55U103                138,131        X           2           138,131
    49455U100
NABORS INDS LTD                       G6359F103      3,877      54,160        X           2            54,160
NABORS INDS LTD                       G6359F103        240       3,350        X   X       2                        3,350
NOBLE CORP COM                        G65422100        135       1,665        X           2             1,665
NOBLE CORP COM                        G65422100        292       3,600        X   X       2                        3,600
SEAGATE TECHNOLOGY COM                G7945J104     17,870     678,680        X           2           675,105        600      2,975
SEAGATE TECHNOLOGY COM                G7945J104        791      30,050        X   X       2             9,600     20,450
LTD PARTNERSHIP INT IN THE STAFFORD   MS0023544        313           6        X           2                 6
    INVESTMENTS LTD PARTNERSHIP (GIFTED
LTD PARTNERSHIP INT IN THE STAFFORD   MS0023593      2,783          87        X           2                87
    INVESTMENTS LTD PARTNERSHIP
NEVERMAR COMPANY LLC                  MS0027321        627         500        X           2               500
NEVERMAR COMPANY OPTIONS              MS0027339        500         500        X           2               500
CHECK POINT SOFTWARE TECH LT ORD      M22465104        342      17,060        X           2            16,810                   250
SYNERON MEDICAL LTD ORD               M87245102      7,585     259,690        X           2           259,690
SYNERON MEDICAL LTD ORD               M87245102        313      10,725        X   X       2               250     10,475
AFLAC CORP COM                        001055102        231       5,122        X           2             5,022                   100
AIM INVT SECS FDS LTD MATURITY        00142C201        511      51,087        X           2            51,087
    TREAS PORTFOLIO SHS
AT&T INC COM                          00206R102      3,447     127,472        X           2           126,183                 1,289
AT&T INC COM                          00206R102        336      12,409        X   X       2             9,541      2,868
ABBOTT LABS COM                       002824100      7,618     179,375        X           2           174,225        250      4,900
ABBOTT LABS COM                       002824100        353       8,305        X   X       2             7,050      1,255
ADELPHIA COMMUNICATIONS CORP CL A     006848105          2      37,600        X           2            37,600
AETNA U S HEALTHCARE INC COM          00817Y108        393       8,000        X           2                                   8,000
AFFILIATED COMPUTER SVCS INC CL A     008190100        397       6,661        X           2             6,661
AIR PRODS & CHEMS INC COM             009158106     10,145     150,990        X           2           149,315        525      1,150
AIR PRODS & CHEMS INC COM             009158106        470       6,990        X   X       2             5,590      1,400
                                                    ------
        COLUMN TOTALS                               59,571
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE    2
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>         <C>        <C>
ALLIANT ENERGY CORP COM               018802108        392      12,459        X           2            12,459
ALLIANT ENERGY CORP COM               018802108         19         600        X   X       2               400        200
ALLIANCEBERNSTEIN HLDG LTD            01881G106        961      14,503        X           2            13,188        240      1,075
    PARTNERSHIP
ALLIANCEBERNSTEIN HLDG LTD            01881G106        142       2,150        X   X       2               550                 1,600
    PARTNERSHIP
ALLSTATE CORP COM                     020002101      8,708     167,107        X           2           160,308                 6,799
ALLSTATE CORP COM                     020002101        291       5,585        X   X       2               885      4,700
ALTRIA GROUP INC COM                  02209S103      9,369     132,218        X           2           129,318                 2,900
ALTRIA GROUP INC COM                  02209S103      2,751      38,820        X   X       2            16,420     17,200      5,200
AMERICAN EXPRESS CO COM               025816109        988      18,796        X           2            18,696                   100
* AMERICAN HIGH INCOME TRUST CL A     026547109        357      29,050        X           2            29,050
AMERICAN INTL GROUP INC COM           026874107      6,753     102,183        X           2            99,393        300      2,490
AMERICAN INTL GROUP INC COM           026874107        406       6,148        X   X       2             5,523        325        300
AMGEN INC COM                         031162100     13,927     191,444        X           2           189,844        775        825
AMGEN INC COM                         031162100        510       7,008        X   X       2             1,733      4,925        350
ANADARKO PETROLEUM CORP COM           032511107        827       8,191        X           2             7,883                   308
ANCHOR BANCORP WI INC COM             032839102      2,523      83,239        X           2            83,239
ANCHOR BANCORP WI INC COM             032839102          8         267        X   X       2                          267
ANHEUSER BUSCH COS INC COM            035229103      2,277      53,239        X           2            53,239
AON CORP COM                          037389103      5,979     144,045        X           2           144,045
AON CORP COM                          037389103         18         425        X   X       2               425
APACHE CORP COM                       037411105     10,708     163,466        X           2           161,031        640      1,795
APACHE CORP COM                       037411105        418       6,375        X   X       2             2,125      4,250
APPLE COMPUTER INC COM                037833100      6,891     109,875        X           2           108,975                   900
APPLE COMPUTER INC COM                037833100        274       4,375        X   X       2                        4,375
APPLIED MATERIALS COM                 038222105      1,710      97,678        X           2            95,653      2,000         25
                                                    ------
        COLUMN TOTALS                               77,207
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE    3
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>         <C>         <C> <C> <C>    <C>         <C>          <C>      <C>
APPLIED MATERIALS COM                 038222105         33       1,875        X   X       2             1,500        375
ASSOCIATED BANC CORP COM              045487105    261,567   7,697,664        X           2         6,600,815      9,391  1,087,458
ASSOCIATED BANC CORP COM              045487105     13,095     385,385        X   X       2           140,292     67,749    177,344
AUTOLIV INC COM                       052800109        463       8,175        X           2             8,175
AUTO DATA PROCESS COM                 053015103      5,962     130,526        X           2           128,251      1,375        900
AUTO DATA PROCESS COM                 053015103        170       3,730        X   X       2             3,105        625
AVERY DENNISON CORP COM               053611109      3,030      51,811        X           2            51,811
BB&T CORP COM                         054937107        253       6,455        X           2             6,455
BJ SVCS CO COM                        055482103      1,568      45,304        X           2            44,854                   450
BJ SVCS CO COM                        055482103         73       2,100        X   X       2             2,100
BP PLC ADR                            055622104     15,767     228,715        X           2           186,505        375     41,835
BP PLC ADR                            055622104      1,527      22,151        X   X       2            20,526      1,275        350
BAIRD FDS INSTL AGGREGATE BOND FD     057071854        347      33,504        X           2            33,504
BANK OF AMERICA CORP COM              060505104      2,191      48,118        X           2            39,290                 8,828
BANK OF AMERICA CORP COM              060505104         46       1,000        X   X       2                        1,000
MEYER INVESTMENTS LTD PARTNERSHIP     060778008        547       2,101        X   X       2             2,101
    (COPY OF DOCUMENT ONLY)
BANTA CORP COM                        066821109      1,577      30,335        X           2            26,435                 3,900
BANTA CORP COM                        066821109        120       2,300        X   X       2             2,075        225
BAXTER INTL COM                       071813109        617      15,900        X           2            14,676                 1,224
BELLSOUTH CORP COM                    079860102      1,062      30,648        X           2            27,998      2,000        650
BELLSOUTH CORP COM                    079860102        180       5,200        X   X       2             3,600      1,600
BEMIS INC COM                         081437105     16,456     521,103        X           2           519,828        200      1,075
BEMIS INC COM                         081437105        899      28,475        X   X       2             3,075     25,400
BERKSHIRE HATHAWAY INC DEL CL B COM   084670207        247          82        X           2                81                     1
BERKSHIRE HATHAWAY INC DEL CL B COM   084670207         27           9        X   X       2                            9
                                                   -------
        COLUMN TOTALS                              327,824
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE    4
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>         <C>         <C>
BEST BUY CO INC COM                   086516101      5,700     101,915        X           2           101,640                   275
BEST BUY CO INC COM                   086516101        389       6,951        X   X       2             2,775      4,176
BIOMET INC COM                        090613100        417      11,730        X           2            11,555                   175
BIOMET INC COM                        090613100        160       4,500        X   X       2                        4,500
BIOGEN IDEC INC COM                   09062X103        645      13,695        X           2            13,635         60
BIOGEN IDEC INC COM                   09062X103         16         350        X   X       2               250        100
BIOTECH HOLDRS TR DEP RCPT COM        09067D201      1,232       6,360        X           2             6,360
BLACK AND DECKER CORP COM             091797100        246       2,830        X           2             2,450                   380
BOEING CO COM                         097023105     13,088     167,950        X           2           165,510        425      2,015
BOEING CO COM                         097023105        471       6,050        X   X       2             1,125      4,925
* BOND FD OF AMERICA                  097873103        283      21,567        X           2            21,567
BRAVO FOODS INTERNATIONAL CORP COM    105666101          8      15,000        X           2            15,000
BRISTOL MYERS-SQUIBB CO COM           110122108      2,976     120,909        X           2           113,369                 7,540
BRISTOL MYERS-SQUIBB CO COM           110122108        639      25,982        X   X       2             9,580     15,202      1,200
BURLINGTON NORTHRN SANTA FE CORP COM  12189T104        307       3,689        X           2             3,689
BURLINGTON RESOURCES COM              122014103      1,156      12,574        X           2            12,574
CANADIAN OIL SANDS TRUST              13642L100        213       1,475        X   X       2             1,475
CAPITAL ONE FINL CORP COM             14040H105        143       1,777        X           2             1,777
CAPITAL ONE FINL CORP COM             14040H105        862      10,700        X   X       2             8,300                 2,400
CARDINAL HEALTH INC COM               14149Y108        247       3,312        X           2             3,312
CAREMARK RX INC COM                   141705103     13,101     266,390        X           2           263,975      1,050      1,365
CAREMARK RX INC COM                   141705103        642      13,055        X   X       2             5,880      7,175
CATERPILLAR INC COM                   149123101     25,319     352,582        X           2           348,142        655      3,785
CATERPILLAR INC COM                   149123101      1,271      17,700        X   X       2             4,925     12,775
CENDANT CORP COM                      151313103        491      28,308        X           2            28,308
                                                    ------
        COLUMN TOTALS                               70,022
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE    5
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>          <C>          <C>        <C>
CENDANT CORP COM                      151313103         96       5,550        X   X       2             4,050                 1,500
CHESAPEAKE CORP COM                   165159104        220      15,823        X           2            15,823
CHEVRON CORP COM                      166764100     14,889     256,847        X           2           239,632      1,564     15,651
CHEVRON CORP COM                      166764100        704      12,137        X   X       2             5,458      6,329        350
CHICAGO BRIDGE & IRON CO N V          167250109      1,944      80,996        X           2            79,746        100      1,150
CHICAGO BRIDGE & IRON CO N V          167250109         22         900        X   X       2               600        300
CISCO SYSTEMS INC COM                 17275R102      4,025     185,735        X           2           176,060                 9,675
CISCO SYSTEMS INC COM                 17275R102        154       7,100        X   X       2             4,100      2,700        300
CITIGROUP INC COM                     172967101      7,776     164,639        X           2           160,549      3,000      1,090
CITIGROUP INC COM                     172967101        204       4,315        X   X       2             4,040        275
CITIZENS BANKING CORP COM             174420109      1,064      39,636        X           2            39,636
CLOROX CO COM                         189054109      2,514      42,000        X           2            42,000
CLOROX CO COM                         189054109      1,194      19,947        X   X       2                       19,947
COACH INC COM                         189754104      1,759      50,880        X           2            50,880
COACH INC COM                         189754104         10         300        X   X       2                          300
COCA COLA CO COM                      191216100     17,147     409,530        X           2           404,554        676      4,300
COCA COLA CO COM                      191216100        577      13,775        X   X       2             4,525      9,000        250
COLDWATER CREEK INC COM               193068103     13,263     477,075        X           2           477,075
COLDWATER CREEK INC COM               193068103        615      22,113        X   X       2               425     21,688
COLGATE PALMOLIVE CO COM              194162103      4,417      77,362        X           2            74,002                 3,360
COLGATE PALMOLIVE CO COM              194162103        623      10,915        X   X       2             6,022      3,693      1,200
COMCAST CORP NEW CL A                 20030N101        404      15,436        X           2            15,436
COMCAST CORP NEW CL A                 20030N101          7         259        X   X       2                97        162
COMCAST CORP CL A SPL NEW COM         20030N200        171       6,565        X           2             5,565                 1,000
COMCAST CORP CL A SPL NEW COM         20030N200         33       1,250        X   X       2             1,250
                                                    ------
        COLUMN TOTALS                               73,832
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE    6
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>          <C>       <C>
COMPARATOR SYSTEMS CORP NEW COM       204494207                 93,500        X           2            93,500
CONOCOPHILLIPS COM                    20825C104      1,050      16,632        X           2            13,060                 3,572
CONSOLIDATED EDISON INC COM           209115104        194       4,455        X           2             4,455
CONSOLIDATED EDISON INC COM           209115104         36         830        X   X       2               830
CORPORATE EXECUTIVE BOARD CO COM      21988R102        202       2,000        X           2                                   2,000
COUNTRY MAID FINANCIAL INC COM NEW    222356206          1      66,000        X           2            66,000
COVANCE INC COM                       222816100     14,351     244,270        X           2           244,005                   265
COVANCE INC COM                       222816100        531       9,030        X   X       2               480      8,450        100
CYMER INC COM                         232572107      5,518     121,425        X           2           121,425
CYMER INC COM                         232572107        223       4,900        X   X       2                        4,900
DANAHER CORP COM                      235851102      2,442      38,425        X           2            37,515        470        440
DANAHER CORP COM                      235851102        148       2,330        X   X       2             2,330
DEAN FOODS CO NEW COM                 242370104      2,988      76,951        X           2            63,622        600     12,729
DEAN FOODS CO NEW COM                 242370104        144       3,700        X   X       2                        3,700
DEERE & CO COM                        244199105        237       3,000        X           2                                   3,000
DELL INC COM                          24702R101      1,585      53,259        X           2            52,644        100        515
DELL INC COM                          24702R101        133       4,475        X   X       2             4,275        200
DICKS SPORTING GOODS INC COM          253393102      2,051      51,696        X           2            51,241                   455
DICKS SPORTING GOODS INC COM          253393102         97       2,450        X   X       2               400      2,050
DISNEY WALT CO COM                    254687106      7,301     261,785        X           2           260,195        650        940
DISNEY WALT CO COM                    254687106        381      13,660        X   X       2             9,910      3,750
DOMINION RESOURCES INC NEW COM        25746U109        499       7,227        X           2             7,227
DOMINION RESOURCES INC NEW COM        25746U109         35         500        X   X       2               500
DONNELLEY R R & SONS CO COM           257867101        341      10,435        X           2            10,435
DOW CHEMICAL CO COM                   260543103      4,982     122,712        X           2           118,862      1,500      2,350
                                                    ------
        COLUMN TOTALS                               45,470
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE    7
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>          <C>       <C>
DOW CHEMICAL CO COM                   260543103         69       1,700        X   X       2               350        600        750
* DREYFUS PA INTER MUNI BD FD         261972103        134      10,063        X           2            10,063
DU PONT E I DE NEMOURS & CO COM       263534109        392       9,280        X           2             5,474                 3,806
DUKE ENERGY CORP COM                  264399106        200       6,864        X           2             6,664                   200
DUKE ENERGY CORP COM                  264399106         52       1,800        X   X       2             1,800
DUN & BRADSTREET CORP DEL COM         26483E100        727       9,476        X           2             1,726                 7,750
DUN & BRADSTREET CORP DEL COM         26483E100        203       2,650        X   X       2               550                 2,100
ENSCO INTL INC COM                    26874Q100     11,446     222,471        X           2           222,371                   100
ENSCO INTL INC COM                    26874Q100        541      10,510        X   X       2             2,635      7,725        150
EOG RESOURCES INC COM                 26875P101      1,146      15,910        X           2            15,450         50        410
EOG RESOURCES INC COM                 26875P101         14         200        X   X       2                          200
ELECTRONIC ARTS INC COM               285512109        395       7,215        X           2             7,140                    75
EMERSON ELEC CO COM                   291011104        409       4,885        X           2             4,635                   250
EMERSON ELEC CO COM                   291011104         11         134        X   X       2               134
EXELON CORP COM                       30161N101        207       3,905        X           2             3,905
EXELON CORP COM                       30161N101         31         588        X   X       2               588
EXXON MOBIL CORP COM                  30231G102     29,750     488,829        X           2           451,500      1,685     35,644
EXXON MOBIL CORP COM                  30231G102      3,037      49,901        X   X       2            35,299      3,860     10,742
FPL GROUP INC COM                     302571104      2,622      65,334        X           2            65,334
FPL GROUP INC COM                     302571104         29         725        X   X       2               725
FEDEX CORP COM                        31428X106      4,806      42,552        X           2            42,052         60        440
FEDEX CORP COM                        31428X106        152       1,350        X   X       2               900        450
F5 NETWORKS INC COM                   315616102      8,080     111,470        X           2           111,470
F5 NETWORKS INC COM                   315616102        432       5,960        X   X       2               130      5,830
FIDELITY US BOND INDEX FD             315911107        438      40,825        X           2            40,825
                                                    ------
        COLUMN TOTALS                               65,323
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE    8
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>         <C>       <C>
* FIDELITY SPARTAN MN MUNI INC FD     316412303        153      13,554        X           2            13,554
FIFTH THIRD BANCORP COM               316773100        132       3,364        X           2             3,364
FIFTH THIRD BANCORP COM               316773100        202       5,131        X   X       2             1,322                 3,809
FIRST DATA CORP COM                   319963104      2,244      47,934        X           2            45,329        300      2,305
FIRST DATA CORP COM                   319963104        255       5,450        X   X       2             3,750      1,200        500
FISERV INC COM                        337738108        327       7,690        X           2             4,290                 3,400
FORTUNE BRANDS INC COM                349631101     11,419     141,625        X           2           139,000        700      1,925
FORTUNE BRANDS INC COM                349631101        219       2,721        X   X       2               871      1,775         75
FRANKLIN RESOURCES INC COM            354613101      2,639      28,007        X           2            28,007
FRANKLIN RESOURCES INC COM            354613101        655       6,950        X   X       2             4,500                 2,450
* FRANKLIN MN INS TAX FREE INC A      354723405        168      14,016        X           2            14,016
GENERAL ELEC CO COM                   369604103     30,995     891,172        X           2           770,577      9,070    111,525
GENERAL ELEC CO COM                   369604103      1,974      56,743        X   X       2            35,353     20,190      1,200
GLAXO SMITHKLINE NEW ADR              37733W105        790      15,095        X           2            13,685                 1,410
GLAXO SMITHKLINE NEW ADR              37733W105        309       5,905        X   X       2             3,000      1,655      1,250
GOLDMAN SACHS GRP INC COM             38141G104     12,763      81,312        X           2            80,112        100      1,100
GOLDMAN SACHS GRP INC COM             38141G104        689       4,390        X   X       2               615      3,700         75
GOLDMAN SACHS CORE FIXED INCOME CL A  38142B419        387      39,854        X           2            39,854
* GOLDMAN SACHS HIGH YIELD MUNI       38142Y583        307      27,137        X           2            27,137
    INSTL CL
GOOGLE INC CL A COM                   38259P508      8,775      22,500        X           2            22,500
GOOGLE INC CL A COM                   38259P508        400       1,025        X   X       2                20        985         20
GRAINGER W W INC COM                  384802104        470       6,235        X           2             6,235
JOHN HANCOCK BANK & THRIFT OPP FD     409735107        108      11,270        X           2            11,270
HARLEY DAVIDSON INC COM               412822108        710      13,680        X           2            12,130                 1,550
HARLEY DAVIDSON INC COM               412822108         87       1,673        X   X       2             1,608                    65
                                                    ------
        COLUMN TOTALS                               77,177
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   9
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>         <C>        <C>
HARRIS CORP DEL COM                   413875105     16,942     358,262        X           2           355,487      1,425      1,350
HARRIS CORP DEL COM                   413875105        742      15,700        X   X       2             1,300     14,100        300
HARSCO CORP COM                       415864107      4,038      48,879        X           2            48,879
HEALTHTRAC INC COM                    42226R100                 30,000        X           2            30,000
HEINZ H J CO COM                      423074103        304       8,017        X           2             6,792                 1,225
HEINZ H J CO COM                      423074103          9         225        X   X       2                          225
HEWLETT PACKARD CO COM                428236103        440      13,359        X           2            13,359
HEWLETT PACKARD CO COM                428236103         20         600        X   X       2               600
HOME DEPOT INC COM                    437076102      4,854     114,755        X           2           114,505                   250
HOME DEPOT INC COM                    437076102        170       4,013        X   X       2             2,288      1,725
HONEYWELL INTL INC COM                438516106        229       5,350        X           2             1,180                 4,170
HUBBELL INC CL A COM                  443510102        239       5,094        X           2             5,094
HUBBELL INC CL A COM                  443510102        113       2,400        X   X       2                                   2,400
HUBBELL INC CL B                      443510201        281       5,478        X           2             5,478
HUBBELL INC CL B                      443510201         34         664        X   X       2                                     664
IDT CORP COM                          448947101        539      49,220        X           2            46,670                 2,550
IDT CORP COM                          448947101         18       1,625        X   X       2                        1,625
IDT CORP COM                          448947309      1,003      90,600        X           2            90,600
IDT CORP COM                          448947309         51       4,650        X   X       2               725      3,925
IMS HEALTH INC COM                    449934108        961      37,310        X           2             6,310                31,000
IMS HEALTH INC COM                    449934108        216       8,400        X   X       2                                   8,400
ILLINOIS TOOL WORKS INC COM           452308109      4,101      42,579        X           2            41,604                   975
ILLINOIS TOOL WORKS INC COM           452308109        159       1,650        X   X       2             1,250                   400
INCO LTD COM                          453258402      3,155      63,244        X           2            63,129        100         15
INCO LTD COM                          453258402         66       1,320        X   X       2             1,020        300
                                                    ------
        COLUMN TOTALS                               38,684
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   10
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>          <C>       <C>
INNOVATIVE FOOD HLDGS COM             45772H103          1      20,400        X           2            20,400
INTEL CORP COM                        458140100      7,507     385,772        X           2           369,687      1,735     14,350
INTEL CORP COM                        458140100        510      26,221        X   X       2            16,100      9,621        500
INTERNATIONAL BUSINESS MACHS COM      459200101      4,424      53,644        X           2            50,438        200      3,006
INTERNATIONAL BUSINESS MACHS COM      459200101        152       1,847        X   X       2             1,572        275
INTERNATIONAL GAME TECHNOLOGY COM     459902102      1,551      44,035        X           2            43,160                   875
INTERNATIONAL GAME TECHNOLOGY COM     459902102          6         170        X   X       2               170
INTERNATIONAL PAPER CO COM            460146103        413      11,960        X           2            11,260                   700
ISHARES INC MSCI JAPAN INDEX FD       464286848      1,143      79,345        X           2            79,345
ISHARES INC MSCI JAPAN INDEX FD       464286848         11         760        X   X       2               760
ISHARES TR MSCI EAFE IDX              464287465      1,262      19,445        X           2            19,445
ISHARES TR MSCI EAFE IDX              464287465         79       1,221        X   X       2                        1,221
ISHARES TR S & P MDCP400 IDX          464287507        333       4,200        X           2               200                 4,000
ISHARES COHEN & STEERS RLTY MAJ INDX  464287564      1,928      22,450        X           2            22,370                    80
ISHARES COHEN & STEERS RLTY MAJ INDX  464287564         21         250        X   X       2               250
ISHARES TR S&P MIDCAP 400 GROWTH      464287606        306       3,800        X           2             3,600                   200
    INDEX FD
ISHARES TR RUSSELL 2000               464287655      2,765      36,390        X           2            36,390
ISHARES TR RUSSELL 2000               464287655         77       1,010        X   X       2                        1,010
ISHARES TR S & P SMCP600 IDX          464287804      1,158      17,755        X           2            15,065                 2,690
ISHARES TR S & P SMCP600 IDX          464287804         46         710        X   X       2               710
ISHARES TR S&P SMALLCAP 600 VALUE     464287879        237       3,260        X           2             3,060                   200
    INDEX FD
ISHARES TR S&P SMALLCAP 600 VALUE     464287879        131       1,800        X   X       2             1,800
    INDEX FD
JPMORGAN CHASE & CO COM               46625H100      2,525      60,630        X           2            27,925                32,705
JPMORGAN CHASE & CO COM               46625H100        239       5,737        X   X       2             5,077                   660
JOHNSON & JOHNSON COM                 478160104     10,892     183,924        X           2           171,389      1,185     11,350
                                                    ------
        COLUMN TOTALS                               37,717
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   11
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>         <C>            <C>      <C>
JOHNSON & JOHNSON COM                 478160104        503       8,491        X   X       2             5,541      2,850        100
JOHNSON CONTROLS INC COM              478366107        462       6,080        X           2             5,955                   125
JOHNSON CONTROLS INC COM              478366107          9         125        X   X       2               125
KIMBERLY CLARK CORP COM               494368103    120,491   2,084,622        X           2         1,559,462        450    524,710
KIMBERLY CLARK CORP COM               494368103      6,697     115,866        X   X       2            78,691      5,275     31,900
KOHLS CORP COM                        500255104      1,059      19,976        X           2            19,976
KOHLS CORP COM                        500255104        168       3,160        X   X       2             3,160
LSI LOGIC CORP COM                    502161102        139      12,000        X           2            12,000
L-3 COMMUN HLDGS INC COM              502424104        241       2,806        X           2             2,806
LEGG MASON INC COM                    524901105      6,763      53,959        X           2            53,609        100        250
LEGG MASON INC COM                    524901105        462       3,690        X   X       2               850      2,840
LIBERTY MEDIA CORP NEW COM SER A      530718105      1,720     209,541        X           2           209,437                   104
LIBERTY MEDIA CORP NEW COM SER A      530718105         50       6,107        X   X       2             5,872        235
LILLY ELI & CO COM                    532457108      4,094      74,026        X           2            69,495        125      4,406
LILLY ELI & CO COM                    532457108        287       5,190        X   X       2             3,340        250      1,600
LINEAR TECHNOLOGY CORP COM            535678106        221       6,300        X           2             5,650        450        200
LINEAR TECHNOLOGY CORP COM            535678106         42       1,200        X   X       2                        1,200
LITTLEFIELD ADAMS & CO COM            537581100                 15,518        X           2            15,518
LOCKHEED MARTIN CORP COM              539830109        392       5,222        X           2             5,222
* LORD ABBETT NATL TAX FREE INC CL A  543902100        444      38,881        X           2            38,881
LORD ABBETT GOVT FUND CL A            543916308        204      80,651        X           2            80,651
LOWES COS INC COM                     548661107      1,125      17,454        X           2            16,954        500
LOWES COS INC COM                     548661107         48         750        X   X       2               750
LUCENT TECHNOLOGIES INC COM           549463107        114      37,420        X           2            37,420
LUCENT TECHNOLOGIES INC COM           549463107          2         760        X   X       2               760
                                                   -------
        COLUMN TOTALS                              145,737
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   12
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>         <C>        <C>
MAF BANCORP INC COM                   55261R108        620      14,169        X           2            14,169
MGE ENERGY INC COM                    55277P104        331       9,987        X           2             9,987
MGE ENERGY INC COM                    55277P104         65       1,950        X   X       2             1,725        225
MANITOWOC CO INC COM                  563571108      4,760      52,223        X           2            40,545                11,678
MANITOWOC CO INC COM                  563571108        751       8,242        X   X       2             8,117        125
MANPOWER INC COM                      56418H100        314       5,500        X           2             5,500
MANULIFE FINANCIAL STOCK LIFE         56501R106        269       4,279        X           2             4,087                   192
    INSURANCE COMPANY
MARSHALL & ILSLEY CORP COM            571834100     10,210     234,277        X           2           218,987     12,390      2,900
MARSHALL & ILSLEY CORP COM            571834100      1,173      26,906        X   X       2            22,264      4,642
MARVEL ENTERTAINMENT INC COM          57383T103      4,412     219,275        X           2           218,450                   825
MARVEL ENTERTAINMENT INC COM          57383T103        146       7,275        X   X       2             1,150      6,125
MASCO CORP COM                        574599106      3,173      97,669        X           2            96,459                 1,210
MASCO CORP COM                        574599106        208       6,415        X   X       2             4,590      1,825
MCDONALDS CORP COM                    580135101      7,131     207,531        X           2           207,531
MCDONALDS CORP COM                    580135101        204       5,933        X   X       2             1,508      4,425
MCGRAW-HILL CO INC COM                580645109        803      13,935        X           2            11,135                 2,800
MCGRAW-HILL CO INC COM                580645109        179       3,100        X   X       2             3,100
MEDTRONIC INC COM                     585055106     10,623     209,329        X           2           175,527        552     33,250
MEDTRONIC INC COM                     585055106        499       9,823        X   X       2             5,623      2,750      1,450
MENS WEARHOUSE INC COM                587118100      6,738     187,490        X           2           187,490
MENS WEARHOUSE INC COM                587118100        281       7,825        X   X       2                        7,825
MERCHANTS & MFRS BANCORP INC COM      588327106        826      23,100        X           2                                  23,100
MERCK & CO INC COM                    589331107      1,316      37,344        X           2            35,544                 1,800
MERCK & CO INC COM                    589331107        117       3,316        X   X       2             2,516        800
MERRILL LYNCH & CO INC COM            590188108      4,689      59,536        X           2            59,536
                                                    ------
        COLUMN TOTALS                               59,838
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   13
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>         <C>        <C>
MERRILL LYNCH & CO INC COM            590188108         32         400        X   X       2                          400
MICROSOFT CORP COM                    594918104     20,429     750,803        X           2           728,318      1,300     21,185
MICROSOFT CORP COM                    594918104        882      32,433        X   X       2            14,326     16,807      1,300
MIDCAP SP DR TR UNIT SER 1 COM        595635103      2,815      19,445        X           2            18,345                 1,100
MIDCAP SP DR TR UNIT SER 1 COM        595635103        268       1,850        X   X       2             1,140        710
MIDWEST RESOURCES 02-1 OIL AND GAS    598349900        200          40        X           2                40
    INCOME LIMITED PARTNERSHIP
MILLER HERMAN INC COM                 600544100      1,293      39,919        X           2            39,919
MILLIPORE CORP COM                    601073109      1,535      21,005        X           2            20,490        100        415
MILLIPORE CORP COM                    601073109         63         860        X   X       2               650        210
MOLEX INC COM                         608554101        433      13,052        X           2            13,052
MOLEX INC CL A                        608554200        921      30,973        X           2            30,873        100
MOLEX INC CL A                        608554200         60       2,020        X   X       2               800                 1,220
FEDERATED PRIME OBLIGATIONS INST SVC  60934N708        178     177,601        X           2           177,601
MOODYS CORP COM                       615369105      2,806      39,268        X           2             7,308                31,960
MOODYS CORP COM                       615369105        757      10,600        X   X       2             2,200                 8,400
MORGAN STANLEY COM                    617446448      1,459      23,231        X           2            19,759                 3,472
MOTOROLA INC COM                      620076109        354      15,438        X           2            15,438
MOTOROLA INC COM                      620076109         41       1,800        X   X       2             1,800
NASDAQ 100 TR UNIT SER 1 COM          631100104        562      13,412        X           2             9,092                 4,320
NATIONAL CITY CORP COM                635405103      2,870      82,233        X           2            82,233
NATIONAL CITY CORP COM                635405103         75       2,140        X   X       2             1,560        580
NATIONS RX INC COM                    638597104          2      50,000        X           2            50,000
NEENAH PAPER INC COM                  640079109      1,907      58,227        X           2            47,448                10,779
NEENAH PAPER INC COM                  640079109        110       3,366        X   X       2             2,349        117        900
NESTLE S A SPONSORED ADR              641069406      1,481      20,000        X           2            19,400                   600
                                                    ------
        COLUMN TOTALS                               41,533
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   14
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>         <C>        <C>
NEW PLAN EXCEL RLTY TR INC COM        648053106        188       7,264        X           2             7,264
NEW PLAN EXCEL RLTY TR INC COM        648053106         19         750        X   X       2                                     750
NEWELL RUBBERMAID INC COM             651229106        638      25,346        X           2            23,246                 2,100
NEWELL RUBBERMAID INC COM             651229106          3         100        X   X       2               100
NEWMONT MINING CORP HOLDING CO COM    651639106      3,332      64,208        X           2            63,793        100        315
NEWMONT MINING CORP HOLDING CO COM    651639106         87       1,680        X   X       2               930        250        500
NICOLET BANKSHARES INC COM            65406E102        119       8,500        X           2             8,500
NICOLET BANKSHARES INC COM            65406E102         28       2,000        X   X       2             2,000
NIKE INC CL B                         654106103     12,814     150,574        X           2           149,899                   675
NIKE INC CL B                         654106103        550       6,465        X   X       2               775      5,690
NOKIA CORP ADR                        654902204      3,406     164,390        X           2           163,165                 1,225
NOKIA CORP ADR                        654902204         23       1,100        X   X       2             1,100
NORTEL NETWORKS CORP NEW COM          656568102         40      13,120        X           2            13,120
NORTH FORK BANCORP COM                659424105      4,618     160,175        X           2           158,825                 1,350
NORTH FORK BANCORP COM                659424105        680      23,600        X   X       2            17,750                 5,850
* NORTH TRACK WIS TAX EXEMPT FD       663038768        545      52,740        X           2            52,740
* NORTH TRACK WIS TAX EXEMPT FD       663038768        118      11,436        X   X       2                       11,436
NORTHERN TRUST CORP COM               665859104      4,341      82,690        X           2            81,965        670         55
NORTHERN TRUST CORP COM               665859104        199       3,797        X   X       2             2,397      1,400
NORTHROP GRUMMAN CORP COM             666807102      2,786      40,793        X           2            40,793
OLD SECOND BANCORP INC ILL COM        680277100        412      12,552        X           2            12,552
OLD SECOND BANCORP INC ILL COM        680277100        175       5,334        X   X       2                                   5,334
OSHKOSH TRUCK CORP CL B               688239201     20,745     333,306        X           2           332,206        250        850
OSHKOSH TRUCK CORP CL B               688239201        783      12,580        X   X       2             1,380     11,050        150
* PIMCO ADV TOTAL RETURN FD CL A      693390445        333      32,253        X           2            32,253
                                                    ------
        COLUMN TOTALS                               56,982
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   15
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>         <C>        <C>
* PIMCO PAC INVT MGMT HIGH YIELD FD   693390841      1,059     108,417        X           2           103,139                 5,278
* PIMCO PAC INVT MGMT HIGH YIELD FD   693390841        378      38,725        X   X       2                       11,640     27,085
* PIMCO REAL RETURN BOND FD INSTL CL  693391104      9,104     841,159        X           2           840,738                   421
* PIMCO REAL RETURN BOND FD INSTL CL  693391104        113      10,436        X   X       2             2,450      7,986
PAYCHEX INC COM                       704326107      1,524      36,579        X           2            36,579
PAYCHEX INC COM                       704326107         14         340        X   X       2               340
PENTAIR INDS INC COM                  709631105      1,077      26,429        X           2            26,429
PENTAIR INDS INC COM                  709631105        513      12,600        X   X       2                       12,600
PEPSICO INC COM                       713448108     17,958     310,744        X           2           294,554      1,530     14,660
PEPSICO INC COM                       713448108      1,295      22,402        X   X       2            15,308      6,875        219
PETSMART INC COM                      716768106        239       8,500        X           2                                   8,500
PFIZER INC COM                        717081103     10,975     440,398        X           2           415,259      1,040     24,099
PFIZER INC COM                        717081103      1,302      52,255        X   X       2            29,225      6,380     16,650
PHELPS DODGE CORP COM                 717265102      1,487      18,472        X           2            18,072        300        100
PITNEY BOWES INC COM                  724479100        432      10,061        X           2            10,061
PLEXUS CORP COM                       729132100      3,336      88,791        X           2            29,791                59,000
PLUM CREEK TIMBER CO INC (REIT)       729251108      8,547     231,436        X           2           226,186        650      4,600
PLUM CREEK TIMBER CO INC (REIT)       729251108        327       8,865        X   X       2             2,790      5,175        900
PRECISION CASTPARTS CORP COM          740189105        175       2,950        X           2             2,950
PRECISION CASTPARTS CORP COM          740189105        651      10,964        X   X       2                       10,964
T ROWE PRICE GROUP INC COM            74144T108      6,840      87,458        X           2            86,483        310        665
T ROWE PRICE GROUP INC COM            74144T108        463       5,925        X   X       2               475      4,800        650
PROCTER & GAMBLE CO COM               742718109     26,255     455,583        X           2           419,383      6,155     30,045
PROCTER & GAMBLE CO COM               742718109      1,415      24,550        X   X       2            16,037      7,875        638
PRUDENTIAL FINANCIAL INC COM          744320102        201       2,649        X           2             2,649
                                                    ------
        COLUMN TOTALS                               95,680
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   16
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>         <C>         <C> <C> <C>    <C>         <C>
* PUTNAM TAX EXEMPT INC FD CL A       746870104        206      23,649        X           2            23,649
QUALCOMM INC COM                      747525103      8,231     162,644        X           2           147,489                15,155
QUALCOMM INC COM                      747525103        286       5,650        X   X       2                        5,500        150
R H DONNELLEY CORP NEW COM            74955W307        188       3,228        X           2               128                 3,100
R H DONNELLEY CORP NEW COM            74955W307         49         840        X   X       2                                     840
ROCKWELL AUTOMATION INC COM           773903109      1,644      22,866        X           2            22,606        260
ROCKWELL AUTOMATION INC COM           773903109        180       2,500        X   X       2             2,500
* T ROWE PRICE TAX EFFICIENT FD       779918101        528      37,210        X           2            37,210
ROYAL DUTCH SHELL PLC SPONS ADR A     780259206      1,543      24,788        X           2            24,788
SEI STABLE ASSET FUND #354            784118879      6,007   6,007,222        X           2         6,007,222
SLM CORP COM                          78442P106      1,675      32,255        X           2            29,055                 3,200
SLM CORP COM                          78442P106         13         250        X   X       2                          250
SPDR TR UNIT SER 1                    78462F103      5,977      46,036        X           2            45,136                   900
SPDR TR UNIT SER 1                    78462F103        478       3,678        X   X       2                75      1,703      1,900
SRA INTL INC CL A                     78464R105        265       7,032        X           2             4,232                 2,800
ST JUDE MEDICAL INC COM               790849103        279       6,800        X           2             6,800
SAN JUAN BASIN RTY TR BEN INT COM     798241105        254       6,200        X   X       2             6,200
SARA LEE CORP NEW COM                 803111103        591      33,065        X           2            27,465      2,400      3,200
SCHERING PLOUGH CORP COM              806605101        580      30,534        X           2            27,334                 3,200
SCHERING PLOUGH CORP COM              806605101         87       4,600        X   X       2             3,600                 1,000
SCHLUMBERGER LTD COM                  806857108     21,977     173,636        X           2           172,136                 1,500
SCHLUMBERGER LTD COM                  806857108        918       7,250        X   X       2             2,300      4,650        300
SCHWEITZER-MAUDUIT INTL INC COM       808541106      1,333      55,533        X           2            25,558        184     29,791
SCHWEITZER-MAUDUIT INTL INC COM       808541106         25       1,044        X   X       2                44                 1,000
SEALED AIR CORP NEW COM               81211K100        289       5,000        X           2             5,000
                                                    ------
        COLUMN TOTALS                               53,603
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   17
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>          <C>        <C>
SEALED AIR CORP NEW COM               81211K100        204       3,530        X   X       2                        3,530
SELECT SECTOR SPDR TR MATERIALS       81369Y100        660      20,405        X           2            19,205                 1,200
SELECT SECTOR SPDR TR MATERIALS       81369Y100         13         400        X   X       2               400
SELECT SECTOR SPDR TR HEALTHCARE      81369Y209      1,173      36,690        X           2            36,675                    15
SELECT SECTOR SPDR TR HEALTHCARE      81369Y209         13         410        X   X       2               410
SELECT SECTOR SPDR TR CONSUM STAPLES  81369Y308      1,071      45,365        X           2            45,365
SELECT SECTOR SPDR TR CONSUM STAPLES  81369Y308          9         400        X   X       2               400
SELECT SECTOR SPDR TR ENERGY          81369Y506      4,214      77,455        X           2            77,210                   245
SELECT SECTOR SPDR TR ENERGY          81369Y506         65       1,195        X   X       2             1,195
SELECT SECTOR SPDR TR FINANCE         81369Y605      2,413      74,130        X           2            73,960                   170
SELECT SECTOR SPDR TR FINANCE         81369Y605         31         965        X   X       2               965
SELECT SECTOR SPDR TR INDUSTRIAL      81369Y704      2,132      63,070        X           2            62,960                   110
SELECT SECTOR SPDR TR INDUSTRIAL      81369Y704         17         510        X   X       2               510
SELECT SECTOR SPDR TR TECHNOLOGY      81369Y803      6,585     297,420        X           2           290,760                 6,660
SELECT SECTOR SPDR TR TECHNOLOGY      81369Y803         37       1,650        X   X       2             1,650
SEMICONDUCTOR HOLDRS TR DEP RCPT COM  816636203      1,119      30,800        X           2            28,600        600      1,600
SEMICONDUCTOR HOLDRS TR DEP RCPT COM  816636203          7         200        X   X       2               200
SMITH INTL INC COM                    832110100        695      17,841        X           2            17,841
SMITH INTL INC COM                    832110100         12         300        X   X       2               300
SNAP-ON INC COM                       833034101        311       8,162        X           2             8,162
SOUTHERN CO COM                       842587107      4,149     126,609        X           2           124,584                 2,025
SOUTHERN CO COM                       842587107        241       7,350        X   X       2             4,650      2,100        600
STANLEY WORKS COM                     854616109      1,468      28,975        X           2            28,975
STAPLES INC COM                       855030102      2,157      84,510        X           2            83,520        700        290
STAPLES INC COM                       855030102         29       1,127        X   X       2             1,127
                                                    ------
        COLUMN TOTALS                               28,825
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   18
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>          <C>       <C>
STATE STREET CORP COM                 857477103      6,585     108,976        X           2           107,111        615      1,250
STATE STREET CORP COM                 857477103        361       5,975        X   X       2             5,025        950
SUPERVALU INC COM                     868536103        687      22,292        X           2            20,792                 1,500
SYMANTEC CORP COM                     871503108        755      44,886        X           2            40,886                 4,000
SYSCO CORP COM                        871829107     10,125     315,914        X           2           313,139      1,075      1,700
SYSCO CORP COM                        871829107        311       9,700        X   X       2             8,650      1,050
* TARGET US GOVT MONEY MARKET FD      875921603         11      11,043        X           2            11,043
TARGET CORP COM                       87612E106        245       4,710        X           2             4,310                   400
TARGET CORP COM                       87612E106        120       2,300        X   X       2             1,800        500
TEVA PHARMACEUTICAL IND ADR           881624209      7,057     171,378        X           2           171,378
TEVA PHARMACEUTICAL IND ADR           881624209        280       6,800        X   X       2               175      6,625
TEXAS INSTR INC COM                   882508104     11,386     350,655        X           2           349,305        550        800
TEXAS INSTR INC COM                   882508104        372      11,470        X   X       2             2,020      8,975        475
THERMO ELECTRON CORP COM              883556102        208       5,618        X           2             5,618
3M COMPANY COM                        88579Y101     10,918     144,246        X           2           126,189        245     17,812
3M COMPANY COM                        88579Y101        833      11,008        X   X       2             2,318      1,490      7,200
TORONTO DOMINION BK ONTARIO CAN COM   891160509        564      10,130        X           2            10,130
TREEHOUSE FOODS INC COM               89469A104        349      13,154        X           2            13,154
TREEHOUSE FOODS INC COM               89469A104         20         740        X   X       2                          740
US BANCORP DEL NEW COM                902973304      7,647     250,734        X           2           241,662        350      8,722
US BANCORP DEL NEW COM                902973304        952      31,210        X   X       2            20,561        800      9,849
USI HOLDINGS CORP COM                 90333H101        161      10,000        X           2            10,000
UNION PAC CORP COM                    907818108        377       4,040        X           2             3,240                   800
UNITED FIRE & CASUALTY CO COM         910331107        329      10,000        X           2            10,000
UNITED PARCEL SERVICES INC COM        911312106        773       9,738        X           2             9,738
                                                    ------
        COLUMN TOTALS                               61,426
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   19
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>         <C>           <C>        <C>
UNITED TECHNOLOGIES CORP COM          913017109        960      16,559        X           2            16,559
UNITEDHEALTH GROUP INC COM            91324P102     19,853     355,405        X           2           350,800      2,200      2,405
UNITEDHEALTH GROUP INC COM            91324P102        935      16,745        X   X       2             2,220     14,325        200
VALERO ENERGY COM                     91913Y100        435       7,280        X           2             2,280                 5,000
* VAN KAMPEN MUNI INCOME CL A         920917101        197      13,500        X           2            13,500
* VANGUARD TOTAL BD MARKET INDEX FD   921937108     28,828   2,920,453        X           2         2,906,639                13,814
* VANGUARD TOTAL BD MARKET INDEX FD   921937108        891      90,290        X   X       2            31,287     59,003
* VANGUARD TOTAL BD INDEX FD ADMIRAL  921937603      9,004     912,276        X           2           911,476                   800
* VANGUARD TOTAL BD INDEX FD ADMIRAL  921937603        279      28,288        X   X       2            11,070     17,218
* VANGUARD HIGH YIELD CORP PORTFOLIO  922031208        116      18,866        X           2            18,866
* VANGUARD SHORT TERM CORP BOND FD    922031406     34,652   3,312,370        X           2         3,277,652                34,718
* VANGUARD SHORT TERM CORP BOND FD    922031406      1,239     118,472        X   X       2            51,249     67,223
VANGUARD FIXED INCOME HIGH YIELD ADM  922031760        279      45,338        X   X       2                                  45,338
* VANGUARD FIXED INC SHORT TERM CORP  922031836     17,627   1,685,125        X           2         1,685,125
    ADMIRAL SHARES
* VANGUARD FIXED INC SHORT TERM CORP  922031836        431      41,193        X   X       2            40,740        453
    ADMIRAL SHARES
* VANGUARD SHORT TERM MUNI BOND FD    922907100        560      36,073        X           2            36,073
* VANGUARD INTERMED TERM MUNI BD FD   922907209        293      22,141        X           2            22,141
* VANGUARD LTD TERM MUNI BOND FD      922907704        618      58,064        X           2            53,162                 4,902
* VANGUARD INTERMED TERM TAX EXEMPT   922907878        684      51,778        X           2            51,778
    MUNI BOND FD ADMIRAL SHS
* VANGUARD LTD TERM TAX EXEMPT MUNI   922907886        245      22,991        X           2            22,991
    BOND FS ADMIRAL SHS
VERIZON COMMUNICATIONS COM            92343V104      4,807     141,134        X           2           138,500                 2,634
VERIZON COMMUNICATIONS COM            92343V104        137       4,024        X   X       2             2,624      1,400
VODAFONE GROUP PLC NEW SPONS ADR      92857W100        364      17,399        X           2            17,399
VODAFONE GROUP PLC NEW SPONS ADR      92857W100         34       1,625        X   X       2               625      1,000
WPP GROUP PLC SPON ADR                929309409        273       4,544        X           2             4,544
                                                   -------
        COLUMN TOTALS                              123,741
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   20
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>          <C>        <C>
WPS RESOURCES CORP COM                92931B106      5,247     106,607        X           2           101,635        410      4,562
WPS RESOURCES CORP COM                92931B106        631      12,826        X   X       2             5,843      6,880        103
WACHOVIA CORP NEW COM                 929903102        964      17,201        X           2            16,571                   630
WACHOVIA CORP NEW COM                 929903102        521       9,292        X   X       2             4,510        500      4,282
WAL MART STORES INC COM               931142103      1,488      31,495        X           2            31,495
WAL MART STORES INC COM               931142103         86       1,813        X   X       2             1,813
WALGREEN CO COM                       931422109     13,668     316,898        X           2           315,778        600        520
WALGREEN CO COM                       931422109      1,393      32,297        X   X       2            21,193      4,300      6,804
WASHINGTON MUTUAL INC COM             939322103      2,324      54,522        X           2            51,972        300      2,250
WASHINGTON MUTUAL INC COM             939322103        216       5,076        X   X       2             2,791      2,000        285
WASTE MANAGEMENT INC NEW COM          94106L109      4,156     117,741        X           2           114,588                 3,153
WASTE MANAGEMENT INC NEW COM          94106L109        148       4,205        X   X       2                                   4,205
WAUSAU PAPER CORP COM                 943315101      1,052      74,233        X           2             1,505      3,889     68,839
WAUSAU PAPER CORP COM                 943315101        256      18,041        X   X       2            18,041
WAUWATOSA HOLDINGS INC COM            94348P108        136      10,000        X           2            10,000
WELLPOINT INC COM                     94973V107     15,545     200,765        X           2           199,615        900        250
WELLPOINT INC COM                     94973V107        805      10,400        X   X       2             2,330      7,970        100
WELLS FARGO & CO NEW COM              949746101     10,779     168,765        X           2           121,644        630     46,491
WELLS FARGO & CO NEW COM              949746101        501       7,843        X   X       2             5,093      2,750
* WELLS FARGO GOVT SECURITIES FD      949917561        143      13,889        X           2            13,889
WEYERHAEUSER CO COM                   962166104        135       1,870        X           2             1,720        150
WEYERHAEUSER CO COM                   962166104        562       7,758        X   X       2             1,813      5,445        500
WISCONSIN ENERGY CORP COM             976657106        777      19,422        X           2            18,522                   900
WISCONSIN ENERGY CORP COM             976657106        202       5,040        X   X       2             4,500        540
WYETH COM                             983024100      5,904     121,675        X           2           117,775                 3,900
                                                    ------
        COLUMN TOTALS                               67,639
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
REPORT PTR285 4A            ASSOCIATED TRUST CO     SECURITIES AND EXCHANGE COMMISSION FORM 13-F         03/31/06         PAGE   21
- - - - - - ITEM 1 AND 2 - - - - - - - ITEM 3 - - - ITEM 4 - - -ITEM 5 - - -ITEM 6- - - -ITEM 7- - - - - - - - -ITEM 8- - -  - - -
                                                                          INVESTMENT
                                                    MARKET     SHARES     DISCRETION                        VOTING AUTHORITY
                                                    VALUE        OR     SOLE SHR OTHER                  SOLE      SHARED     NONE
     ISSUER AND TITLE OF CLASS          CUSIP    (THOUSANDS)  PRINCIPAL  (A) (B) (C)    MANAGERS         (A)        (B)       (C)
<S>                                   <C>        <C>          <C>        <C> <C> <C>    <C>           <C>          <C>        <C>
WYETH COM                             983024100        294       6,067        X   X       2             1,767      4,300
XANSER CORP COM                       98389J103        198      44,650        X           2            44,650
YUM BRANDS INC COM                    988498101        486       9,948        X           2             8,868                 1,080
YUM BRANDS INC COM                    988498101         35         720        X   X       2               720
ZIMMER HLDGS INC COM                  98956P102     16,954     250,793        X           2           242,363        250      8,180
ZIMMER HLDGS INC COM                  98956P102        778      11,515        X   X       2             3,186      8,229        100
                                                 ---------
        COLUMN TOTALS                               18,745
         FINAL TOTALS                            1,626,576
</TABLE>

</TEXT>
</DOCUMENT>
