Status of Merger Filings (as of June 25, 2012) Stakeholder Progress on Key Milestones Filed Approved Shareholder Received shareholder approvals on August 23, 2011 Department of Justice (DOJ) The parties have met their obligations under the Hart-Scott-Rodino Act (HSR) Waiting Period Expired Federal Communications Commission (FCC) Received approval of Assignment of Authorization filings on July 27, 2011 On January 5, 2012, approval extended by FCC through July 12, 2012 Federal Energy Regulatory Commission (FERC) Received conditional approval of the revised market power mitigation plan, the Joint Dispatch Agreement (JDA) and the Joint Open-Access Transmission Tariff (OATT) on June 8, 2012 Submitted final compliance filings required by FERC on June 25, 2012 Nuclear Regulatory Commission (NRC) Received approval of indirect transfer of Progress Energy licenses on December 2, 2011 North Carolina Filed merger approval application on April 4, 2011 NC Public Staff filed settlement agreement on September 2, 2011; companies signed settlement with South Carolina Office of Regulatory Staff, a party to the NC docket, on September 6, 2011 Hearings held September 20-22, 2011 Filed advance notice regarding revised market power mitigation plan on February 22, 2012 Updated settlement agreement with NC Public Staff filed on May 8, 2012 South Carolina Submitted merger-related filings on April 25, 2011 Hearing to approve joint dispatch agreement held December 12, 2011 Filed a letter with the SC Public Service Commission regarding merger-related commitments made to SC Office of Regulatory Staff on May 16, 2012 Kentucky Received Kentucky Commission approval on October 28, 2011 JDA/OATT Merger Final Compliance Filings EXHIBIT 99.1 | 
