n23c2_062408.htm
 
Securities and Exchange Commission
Washington, DC 20549
Rule 23c-2 Notice of Intention to
Redeem Securities
 
of
 
Nuveen Insured Municipal Opportunity Fund, Inc.
333 West Wacker Drive
Chicago, Illinois  60606
 
under the
 
Investment Company Act of 1940
 
Investment Company Act File No. 811-06379
 
The undersigned registered closed-end investment company hereby notifies the Securities and Exchange Commission that it intends to redeem securities of which it is the issuer, as set forth below in accordance with the requirements of Rule 23c-2 under the Investment Company Act of 1940 (the “Act”), and states that it is filing this notice with the Commission pursuant to permission granted by the Commission staff fewer than 30 days prior to the date set for the redemption.
 
(1)  
Title of the class of securities of Nuveen Insured Municipal Opportunity Fund, Inc. (the “Fund”) to be redeemed:
 
Municipal Auction Rate Cumulative Preferred Shares, Liquidation Preference $25,000 per share, Series M (CUSIP #670984202), Series T (CUSIP #670984301), Series W1 (CUSIP #670984608), Series W2 (CUSIP #670984806), Series TH1 (CUSIP #670984400), Series TH2 (CUSIP #670984707) and Series F (CUSIP #670984509) (the “MuniPreferred Shares”).
 
(2)  
Date on which the securities are to be called or redeemed:
 
Series
Date
M
July 22, 2008
T
July 23, 2008
W1
July 17, 2008
W2
July 17, 2008
TH1
July 18, 2008
TH2
July 18, 2008
F
July 21, 2008
 
 
 
 
 
 
(3)  
Applicable provisions of the governing instrument pursuant to which the securities are to be redeemed:
 
The MuniPreferred Shares are to be redeemed pursuant to Section 11(a)(i) of the Statement Establishing and Fixing the Rights and Preferences of Municipal Auction Rate Cumulative Preferred Stock of the Fund.
 
(4)  
The number of shares to be redeemed and the basis upon which the shares to be redeemed are to be selected:
 
The Fund intends to redeem, by lot (as determined by The Depository Trust Company), the number of outstanding MuniPreferred Shares set forth below:
 
Series
Number of Shares
M
245
T
245
W1
244
W2
195
TH1
244
TH2
244
F
245

 
[Remainder of Page Left Blank]
 
 
 
 
 
 
SIGNATURE
 
Pursuant to the requirement of Rule 23c-2 under the Investment Company Act of 1940, the Fund has duly caused this Notice of Intention to Redeem Securities to be signed on its behalf by the undersigned on this 26th day of June, 2008.
 
 
NUVEEN INSURED MUNICIPAL OPPORTUNITY FUND, INC.
  
       
 
By:
/s/Mark L. Winget   
  Name:  Mark L. Winget  
 
Title:    Vice President and Assistant Secretary