SEC Filings
To view these files, you will need Acrobat Reader 5.0 or greater. If you don't have this version, you can download your free copy from Adobe.
- SEC Form 15
- SEC Form 25
- SEC Form ARS
- SEC Form DEF 14A (Proxy Statement)
- SEC Form POS AM
- SEC Form S-3D
- SEC Form S-3
- SEC Form S-4
- SEC Form S-8
- SEC Form U-1
- SEC Form U-3A-2
- Proxy Statements
- WPSR/Peoples Energy Merger Related SEC Filings
- WPSR/UPEN Merger Related SEC Filings
- WPSR/WFL Merger Related SEC Filings
- Stock Investment Plan
If you would like to request these documents through the U.S. mail, please complete and submit the Financial Materials Request Form.