SEC Filings

Please visit www.sec.gov for SEC filings for Interstate Power and Light Company and Wisconsin Power and Light Company.

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View Section 16 Filings (3,4,5)

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Date Filed Type Description Filer View 07/27/10 4 Statement of changes in beneficial ownership of securities KAMPLING PATRICIA L 07/27/10 4 Statement of changes in beneficial ownership of securities LARSEN JOHN O 07/14/10 4 Statement of changes in beneficial ownership of securities HARVEY WILLIAM D 07/13/10 4 Statement of changes in beneficial ownership of securities LARSEN JOHN O 07/13/10 4 Statement of changes in beneficial ownership of securities KAMPLING PATRICIA L 06/29/10 4 Statement of changes in beneficial ownership of securities KAMPLING PATRICIA L 06/29/10 4 Statement of changes in beneficial ownership of securities LARSEN JOHN O 06/24/10 11-K An annual report of employee stock purchase, savings and similar plans   06/17/10 4 Statement of changes in beneficial ownership of securities KAMPLING PATRICIA L 06/17/10 4 Statement of changes in beneficial ownership of securities LARSEN JOHN O

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