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Standard Disclosures

Strategy and analysis
1.1 Sustainability vision and strategy See Our Mission and Values and Letter from the Chairman.
1.2 Corporate approach to sustainability and commitment at executive level See Management Approach to Sustainability and Letter from the Chairman. We also provide summaries of what we see as our key challenges and opportunities in the introductions to our five focus areas in our 2010/2011 Sustainability Report.
Organizational profile
2.1 Name of the organization Duke Energy Corporation
2.2 and 2.3 Primary products, services and divisions See The Businesses We're In and Duke Energy at a Glance
2.4 Headquarters Corporate office is in Charlotte, North Carolina, USA; with significant offices in Raleigh, North Carolina; St. Petersburg, Florida; Cincinnati, Ohio; Plainfield, Indiana; and Houston, Texas.
2.5 Countries of operations Primary operations are in the United States, with power generation facilities in Argentina, Brazil, Chile, Ecuador, El Salvador, Guatemala and Peru. We also own an equity investment in Saudi Arabia.
2.6 Ownership and legal form Duke Energy Corporation is an investor-owned corporation trading on the New York Stock Exchange under the symbol, DUK.
2.7 Markets served We are primarily an electric and natural gas utility company, with electric customers in North Carolina, South Carolina, Ohio, Kentucky and Indiana, and with natural gas service to customers in Ohio and Kentucky.
2.8 Scale of operations and organization See Workforce Performance Metrics, Electricity Generated and Financial strength supports sustainable growth in our Sustainability Report. More detailed information is available in our Securities and Exchange Commission Form 10-K.
2.9 Significant recent changes

 On July 2, 2012 Duke Energy and Progress Energy merged. The combined company is known as Duke Energy. See "Duke Energy and Progress Energy Have Merged." These GRI indicator disclosures address calendar year 2012, in coordination with our most recent "Sustainability Report".

2.10 Awards received recently Various awards and recognitions are listed on our Duke Energy Awards Web site and mentioned in the Sustainability Report.
EU1 Installed capacity See 2012 Generation Capacity and Securities and Exchange Commission Form 10-K, pages 28-31.
EU2 Net energy output, by source More than one-third of the electricity we generated in 2012 was from carbon-free sources, including nuclear, hydro, wind and solar. See 2012 Electricity Generated.
EU3 Number of customer accounts See Duke Energy at a Glance
EU4 Length of transmission and distribution lines See Duke Energy at a Glance
EU5 Allocation of CO2 emissions permits Not applicable in the United States.
Report Parameters
3.1 Reporting period Calendar year 2012, with certain supplemental material from 2013 if appropriate.
3.2 Date of most recent report April 2013
3.3 Reporting cycle Annual
3.4 Contact person Shawn Heath, Vice President and Chief Sustainability Officer. See Introduction
3.5 Process for defining content See About this Report and What Matters Most in our Sustainability Report.
3.6 Boundary of the report All operations unless otherwise noted.
3.7 Specific reporting limitations None
3.8 Basis for reporting Complete company or ownership share of generating stations, unless otherwise noted.
3.9 Data measurement techniques Quantitative data is provided based on direct measurements, estimates and calculations according to standard industry practice or as called for in regulations.
3.10 Effect of re-statements None
3.11 Significant changes None
3.12 Location of Standard Disclosures Included in this listing.
3.13 Assurance We did not seek external assurances for this report but did ask Business for Social Responsibility for an independent review of our Sustainability Report.
Governance, Commitments and Engagement
4.1 Governance structure See Principles for Corporate Governance and Board Committee Charters.
4.2 Is Chair an executive officer?

No. The position of Chairman is held by James E. Rogers. The positions of Vice Chair, President and Chief Executive Officer are held by Lynn J. Good.

4.3 Directors See Board of Directors.
4.4 Contact with the Board of Directors Interested parties can communicate with any of our directors (including the Lead Director) by writing to: Corporate Secretary, Duke Energy Corporation, P.O. Box 1006, Charlotte, NC 28201-1006.
4.5 Linkage of compensation and performance

Based on defined goals. For more information, see pages 51-61 of our 2013 "Proxy Statement."

4.6 Avoiding conflicts of interest See Duke Energy Code of Business Ethics for members of the Board of Directors and employees.
4.7 Determining qualifications of Board of Directors This is a responsibility of the Corporate Governance Committee of the Board of Directors.
4.8 Internal mission and values statements See Our Mission and Values.
4.9, 4.10 Governance procedures and performance See Corporate Governance and Management Approach to Sustainability.
4.11 Precautionary principle Risks are assessed by each business unit without specific reference to the precautionary principle.
4.12 Endorsement of externally developed charters, principles and other initiatives Duke Energy adheres to the World Economic Forum Partnership Against Corruption Initiative (PACI), and supports programs of The Human Rights Campaign (HRC). Partnerships and memberships in several organizations are mentioned in our Sustainability Report. For the most part, these are voluntary organizations without binding obligations.
4.13 Association memberships Several, but not all, memberships are listed on our Affiliations & Partnerships Web site and mentioned in our Sustainability Report.
4.14 - 4.17 Stakeholder enagement See Engaging Stakeholders.