TERADATA CORP /DE/

Evaluation of Disclosure Controls and Procedures

Teradata maintains a system of disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934 (the "Exchange Act")) that are designed to provide reasonable assurance that information required to be disclosed in its reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to management, including, as appropriate, the chief executive officer and the chief financial officer, to allow timely decisions regarding required disclosures. In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives.

Based on their evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that our disclosure controls and procedures were effective to provide reasonable assurance as of December 31, 2025.

Management’s Annual Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting as such term is defined in Rule 13a-15(f) under the Exchange Act. Teradata’s internal control over financial reporting is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the Company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree or compliance with the policies or procedures may deteriorate.

Management assessed the effectiveness of Teradata’s internal control over financial reporting as of the end of the period covered by this report. In making this assessment, management used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission ("COSO") in Internal Control – Integrated Framework (2013). Based on its assessment and those criteria, management concluded that Teradata’s internal control over financial reporting was effective as of December 31, 2025.

Teradata’s independent registered public accounting firm has issued their report on the effectiveness of Teradata’s internal control over financial reporting as of December 31, 2025, which appears in this Annual Report.

Changes in Internal Control over Financial Reporting

We implemented a new global cloud enterprise resource planning ("ERP") system which occurred in phases throughout 2024 and the first quarter of 2025. The ERP system is designed to improve and modernize the efficiency of certain financial and related transaction processes, accurately maintain Teradata’s financial records, enhance operational functionality, and provide timely information to our management team related to the operation of the business. We expect that the new ERP system will enhance and modernize our overall system of internal controls over financial reporting through further automation and integration of business processes, although it was not implemented in response to any identified deficiency in Teradata’s internal controls over financial reporting. As of the filing of this Annual Report on Form 10-K, we have concluded that the implementation of the ERP system thus far has not materially affected our internal control over financial reporting.

Other than the ERP implementation referenced above, there have been no changes in our internal control over financial reporting that occurred during the last fiscal quarter ended December 31, 2025 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.