COMPUTATION OF ILLINOIS ESTATE TAX 
                     DUE WITH RETURN AND ANNUAL INSTALLMENT 
                               (As provided by Section 6(b) [§405/6(b)] of the 
                        Illinois Estate & Generation-Skipping Transfer Tax Act) 

Estate of:                                             County:                    Date of Death: 

Total Estate Tax:              Deferred Portion:               Non-deferred Portion: 
                                                               (Due in 9 months.) 

1. Gross value of decedent's interest in closely held
   business having a taxable situs in Illinois                                  $ 

   Name of business: 

2. Gross value of decedent's estate having
   a taxable situs in Illinois                                                  $ 

3. Ratio of Line 1 to Line 2
   (Divide Line 1 by Line 2.)                                                                    % 

4. Total Estate Tax payable to Illinois                                         $ 

5.                 % of Line 4 (Line 3 x Line 4) ;or smaller 
   amount of qualified deferred portion elected by estate                       $ 

6. Line 4 less Line 5 (Non-deferred portion of tax due 
   within 9 months of decedent's date of death.)                                $ 

7. 6% of line 5 (Interest payment for first
   4 years.)                                                                    $ 

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Form 4350a                                                                        ATTORNEY GENERAL
Rev. 0819                                                                            STATE OF ILLINOIS