UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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

                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


                                 April 26, 2005
                ------------------------------------------------
                Date of Report (Date of earliest event reported)


                             CNA Surety Corporation
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             (Exact name of registrant as specified in its charter)




                                                                          
               Delaware                             1-13277                      36-4144905
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     (State or other jurisdiction                 (Commission                   (IRS Employer
           of incorporation)                      File Number)               Identification No.)



                       CNA Center, Chicago, Illinois 60685
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               (Address of principal executive offices) (Zip Code)


                                 (312) 822-5000
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              (Registrant's telephone number, including area code)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[    ] Written communications pursuant to Rule 425 under the Securities Act (17
       CFR 230.425)

[    ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17
       CFR 240.14a-12)

[    ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
       Exchange Act (17 CFR 240.14d-2(b))

[    ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
       Exchange Act (17 CFR 240.13e-4(c))




ITEM 1.01 ENTRY INTO MATERIAL DEFINITIVE AGREEMENT.

     On April 25, 2005, the Board of Directors of CNA Surety Corporation (the
"Company") approved the CNA Surety Corporation 2005 Deferred Compensation Plan
(the "Plan") and the CNA Surety Corporation 2005 Deferred Compensation Plan
Trust (the "Trust"). The Plan and Trust were adopted in connection with the
enactment of Section 409A of the Internal Revenue Code of 1986, as amended (the
"Code"), which was implemented under the American Jobs Creation Act of 2004. The
Plan and Trust will be used in lieu of the CNA Surety Corporation Deferred
Compensation Plan (the "Existing Plan") and the CNA Surety Corporation Deferred
Compensation Plan Trust (the "Existing Trust") for all amounts deferred on or
after January 1, 2005. Amounts deferred under the Existing Plan prior to January
1, 2005 will continue to be covered by and paid out in accordance with the terms
of the Existing Plan, the Existing Trust and the elections made by participants
under the Existing Plan.

     The new Plan is intended to comply with new Section 409A of the Code and is
intended to provide deferred compensation for a select group of management or
highly compensated employees as selected by the Board of Directors of the
Company. Each participant in the Plan may elect to defer payment of up to 20% of
the participant's base salary ("Base Salary") each year. Amounts deferred by a
participant are credited to the participant's bookkeeping account. Each year the
Company credits additional amounts to each participant's account. In general,
these amounts are designed to provide the participant with amounts that the
participant could not receive under the CNA Surety Corporation 401(k) Plan (the
"401(k) Plan") because of certain limits applicable to tax qualified plans.

     The Company credits each participant with a "matching contribution" under
the Plan each year which is based upon each participant's aggregate deferrals
under the 401(k) Plan and the Plan. The amount of the matching contribution
credited for each participant under the Plan for a year equals 100% of the
participant's aggregate deferrals for the year under the 401(k) Plan and the
Plan up to the first 3% of Base Salary and 50% of such aggregate deferrals on
the next 3% of Base Salary. However, the matching contributions under the Plan
are reduced by the amount of matching contributions received by the participant
under the 401(k) Plan. The matching contribution formula under the 401(k) Plan
is generally the same as the formula under the Plan, except that the 401(k) Plan
formula is applied solely with respect to the participant's deferrals under the
401(k) Plan and is applied only with respect to Base Salary up to the annual
compensation limit (the "Compensation Limit") applicable to tax qualified plans.
The Compensation Limit for 2005 is $210,000.

     The Company also credits each participant with a "Basic Contribution" under
the Plan each year which is equal to 3% (or 5% if the participant has attained
age 45) of the participant's Base Salary and bonus for the year. However, the
Basic Contribution under the Plan is reduced by the amount of basic
contributions received by the participant under the 401(k) Plan. The basic
contribution formula under the 401(k) Plan is generally the same as the formula
under the Plan, except that the 401(k) Plan formula is applied only with respect
to Base Salary and bonus up to the Compensation Limit. Because the 401(k) Plan
cannot consider Base Salary and bonus in excess of the Compensation Limit, the
Plan generally provides the Basic Contribution with respect to any Base Salary
and bonus in excess of the Compensation Limit.

     The Company may also credit each participant with a discretionary
"Performance Contribution" under the Plan each year in an amount up to 2% of the
participant's Base Salary and bonus for the year. However, the Performance
Contribution, if any, is reduced by the discretionary performance contribution
received by the participant under the 401(k) Plan. The discretionary performance
contribution under the 401(k) Plan is an amount, if any, determined in the
discretion of the Board of Directors. Such amount may not exceed 2% of the
participant's Base Salary and bonus. The actual performance contribution
percentage, if any, determined by the Board of Directors for purposes of the
401(k) Plan is used for purposes of the Plan. Because the 401(k) Plan cannot
consider Base Salary and bonus in excess of the Compensation Limit, the Plan
generally provides the discretionary Performance Contribution with respect to
any Base Salary and bonus in excess of the Compensation Limit.

     Amounts credited to each participant's account under the Plan will be
credited with earnings and losses based upon hypothetical investment elections
made by the participant. Each participant may make such elections from the
investment funds available under the 401(k) Plan.

     Payouts under the Plan are made to a participant in a cash lump sum six
months after the participant has a separation from service. The Plan permits a
participant to receive a distribution prior to separation from service to the
extent necessary in the event of an unforeseeable financial emergency as
approved by the Plan committee.



     The participant deferrals and contributions under the Plan are paid to
First National Bank in Sioux Falls as the trustee of the Trust. The Company's
obligations under the Plan are intended to be satisfied from the assets of the
Trust. The trustee may not return any trust assets to the Company until the
Company's obligations under the Plan have been fully satisfied. However, the
assets of the Trust must remain subject to the claims of the Company's creditors
in the event of the Company's bankruptcy or insolvency.

     The Company may, by action of the Board of Directors, terminate the Plan,
provided that such termination shall not affect any participant's right to
receive any distributions due under the Plan.

     The foregoing description of the Plan and Trust is qualified in its
entirety by reference to the Plan and Trust, copies of which are filed herewith
as Exhibits 10 (27) and 10 (28) respectively, and are incorporated herein by
reference.

ITEM 1.02 TERMINATION OF A MATERIAL DEFINITIVE AGREEMENT.

     Please see the discussion in "Item 1.01. Entry into a Material Definitive
Agreement" of this Current Report on Form 8-K regarding the Existing Plan which
was frozen as to new contributions and deferrals to the accounts of participants
following December 31, 2004 pursuant to the Board of Directors approval on April
25, 2005 of an amendment to the Existing Plan. The foregoing description of the
amendment to the Existing Plan is qualified in its entirety by reference to the
amendment, a copy of which is filed herewith as Exhibit 10 (29), and is
incorporated herein by reference.




                                   SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                  CNA SURETY CORPORATION

Date: April 26, 2005              By: /s/ JOHN F. CORCORAN
                                      ---------------------------------
                                      John F. Corcoran
                                      Senior Vice President and 
                                      Chief Financial Officer



                                  EXHIBIT INDEX

 
 
Exhibit No.
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 10 (27)          CNA Surety Corporation 2005 Deferred Compensation Plan
 10 (28)          CNA Surety Corporation 2005 Deferred Compensation Plan Trust
 10 (29)          Third Amendment to CNA Surety Corporation Deferred Compensation Plan