DAYTON, Ohio, October 01, 2007 --Teradata Corporation today announced that it has completed its spin off from NCR Corporation (NYSE:NCR) and that shares of its common stock begin regular trading on the New York Stock Exchange (NYSE) under the symbol “TDC” on Monday, October 1, 2007.

Teradata President and Chief Executive Officer Mike Koehler will ring The Opening Bell(SM) at the NYSE on October 1 to celebrate the occasion. He will be joined by other senior Teradata leaders.

“Listing our shares on the NYSE, the world's leading and most global capital market, is a historic event and marks a new beginning for Teradata as the global leader in enterprise data warehousing,” said Koehler. “We will continue to strengthen our company, to expand and deepen our relationships with our strong and diversified customer base, and to invest in initiatives that further improve our technology leadership and grow our business.”

“Today, organizations around the world rely on Teradata’s proven expertise in helping them to use enterprise analytics to drive growth, profitability and competitive advantage,” Koehler continued. “We are well positioned to capitalize on the many opportunities in the global marketplace.”

On September 28 after the market closed, Standard & Poor’s added Teradata as a component of its flagship index, the Standard & Poor’s 500. In addition, effective as of market close on October 1, 2007, Teradata will be added to the NYSE Arca Tech 100SM Index.

In connection with the spin off, NCR shareholders received one share of Teradata common stock for every one share of common stock they held in NCR as of the close of business on September 14, 2007. One hundred percent of the approximately 181 million shares of Teradata common stock were distributed.

About Teradata

Teradata Corporation (NYSE:TDC) is the world’s largest company focused on raising intelligence through data warehousing and enterprise analytics. Teradata is located in more than 40 countries and on the Web at www.teradata.com.

Teradata is a trademark or registered trademark of Teradata Corporation in the United States and other countries.

Note to Investors

This news release contains forward-looking statements, including statements as to anticipated or expected results, beliefs, opinions and future financial performance, within the meaning of Section 21E of the Securities and Exchange Act of 1934. Forward-looking statements include projections of revenue, profit growth and other financial items, future economic performance and statements concerning analysts’ earnings estimates, among other things. These forward-looking statements are based on current expectations and assumptions and involve risks and uncertainties that could cause Teradata’s actual results to differ materially.

In addition to the factors discussed in this release, other risks and uncertainties could affect our future results and could cause actual results to differ materially from those expressed in such forward-looking statements. Such factors include those related to: the uncertain economic climate and its impact on the markets in general or on the ability of our suppliers to meet their commitments to us, or the timing of purchases by our current and potential customers, and other general economic and business conditions; the impact of our separation from NCR and risks relating to our ability to operate effectively as a stand-alone, publicly traded company; changes in our cost structure, management, financing and business operations following our separation from NCR; the rapidly changing and intensely competitive nature of the information technology industry and the data enterprise warehousing business, including the increasing pressure on price/performance for data warehousing solutions; fluctuations in our operating results, unanticipated delays or accelerations in our sales cycles and the difficulty of accurately estimating revenues; risks inherent in operating in foreign countries, including the impact of economic, political, legal, regulatory, compliance, cultural, foreign currency fluctuations and other conditions abroad; the timely development, production or acquisition and market acceptance of new and existing products and services, including our ability to accelerate market acceptance of new products and services; tax rates; turnover of workforce and the ability to attract and retain skilled employees; availability and successful exploitation of new acquisition and alliance opportunities; changes in Generally Accepted Accounting Principles (GAAP) and the resulting impact, if any, on the company’s accounting policies; continued efforts to establish and maintain best-in-class internal information technology and control systems; and other factors described in Teradata Corporation’s Registration Statement on Form 10, and those factors that will be detailed from time to time in the company’s U.S. Securities and Exchange Commission reports and the company’s annual reports to stockholders. The company does not undertake any obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.