-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, EeqF3VlVuzrhnggP7AHEaaTDIVy69VZuaojG87Pvg+DpfgKlHtgQIlSmK8KoxNio V8eBIvJKlU0OQ30d3vFcBw== 0000950137-07-011693.txt : 20070808 0000950137-07-011693.hdr.sgml : 20070808 20070808154120 ACCESSION NUMBER: 0000950137-07-011693 CONFORMED SUBMISSION TYPE: FWP PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20070808 DATE AS OF CHANGE: 20070808 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: WISCONSIN POWER & LIGHT CO CENTRAL INDEX KEY: 0000107832 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] IRS NUMBER: 390714890 STATE OF INCORPORATION: WI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: FWP SEC ACT: 1934 Act SEC FILE NUMBER: 333-143831 FILM NUMBER: 071035532 BUSINESS ADDRESS: STREET 1: 4902 NORTH BILTMORE LANE STREET 2: PO BOX 77007 CITY: MADISON STATE: WI ZIP: 53707-1007 BUSINESS PHONE: 608-4583314 MAIL ADDRESS: STREET 1: 4902 N BILTMORE LANE STREET 2: PO BOX 77007 CITY: MADISON STATE: WI ZIP: 53707-1007 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WISCONSIN POWER & LIGHT CO CENTRAL INDEX KEY: 0000107832 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] IRS NUMBER: 390714890 STATE OF INCORPORATION: WI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: FWP BUSINESS ADDRESS: STREET 1: 4902 NORTH BILTMORE LANE STREET 2: PO BOX 77007 CITY: MADISON STATE: WI ZIP: 53707-1007 BUSINESS PHONE: 608-4583314 MAIL ADDRESS: STREET 1: 4902 N BILTMORE LANE STREET 2: PO BOX 77007 CITY: MADISON STATE: WI ZIP: 53707-1007 FWP 1 c17457fpfwp.htm FREE WRITING PROSPECTUS fwp
 

Filed Pursuant To Rule 433
Dated August 8, 2007
Registration Statement No. 333-143831
WISCONSIN POWER AND LIGHT COMPANY
Final Term Sheet
Dated August 8, 2007

     
Issuer:
  Wisconsin Power and Light Company
 
    
Size:
  $300,000,000
 
    
Security Type:
  Debenture
 
    
Maturity Date:
  August 15, 2037
 
    
Coupon:
  6.375%
 
    
Price to Public
  99.431%
 
    
Yield to Maturity:
  6.418%
 
    
Benchmark Treasury:
   4.50% due February 15, 2036
 
    
Benchmark Treasury Yield:
  5.043%
 
    
Spread to Benchmark Treasury:
  137.5 bps
 
    
Optional Redemption — Reinvestment Rate:
  25 bps
 
    
Trade Date:
  August 8, 2007
 
    
Settlement Date:
  August 15, 2007 (T+5)
 
    
CUSIP:
   976826 BE6
 
    
Underwriters:
  Joint Book-Running Managers
 
  Banc of America Securities LLC
 
 
Merrill Lynch, Pierce, Fenner & Smith
Incorporated
 
    
 
  Co-Managers
 
  Citigroup Global Markets Inc.
 
  KeyBanc Capital Markets Inc.
The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents that the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, you may request a copy of these documents from Banc of America Securities LLC by calling 1-800-294-1322 or emailing dg.prospectus_distribution@bofasecurities.com or from Merrill Lynch & Co. by calling 1-866-500-5408.

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