NiSource Inc.

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Carrie J. Hightman is executive vice president and chief legal officer for NiSource Inc. and serves as a member of the company's senior management team. Her responsibilities include all legal functions, ethics, compliance, and environmental health and safety. Prior to joining NiSource, Hightman served as President of AT&T Illinois (formerly SBC). In that position, she was responsible for all regulatory, legislative, governmental and external affairs activities, as well as community and industry relations throughout Illinois.

Prior to being elected to his current position in January 2003, Vajda held various leadership positions within the organization, including general auditor, director of business and strategic planning, controller and vice president of finance for Northern Indiana Public Service Company (NIPSCO), a wholly owned subsidiary of NiSource. He joined the company as an accountant in 1977. Vajda is chairman of the Finance Committee and on the board of the Lake Area United Way, serving Lake County, Ind. He is a certified public accountant in the state of Indiana and a member of the Indiana CPA Society.

Smith has more than 20 years of experience in financial leadership roles in the regulated energy industry. He has held senior-level positions with American Electric Power Co. (AEP) and the Columbia Energy Group (CEG).

Randy Hulen , currently managing director of Investor Relations, has been promoted to vice president of Investor Relations, with responsibility for all NiSource investor outreach, communication and engagement activities. Hulen joined NiSource in 1994, and has broad experience in financial planning and analysis at both the corporate and business unit levels. He was named director of Investor Relations in 2003, and managing director in 2010. Hulen will report to Stephen P. Smith , NiSource executive vice president and CFO.

NiSource Inc. Violet G. Sistovaris is senior vice president and CIO at NiSource Inc. She is responsible for providing leadership and direction to NiSource's supply chain services, information technology, real estate and facilities management. Prior to her current position, Sistovaris served as vice president, Customer Contact Centers, since November 2003.

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