November 5, 2008 - Telvent (NASDAQ: TLVT), the IT company for a sustainable and secure world, today announced that the Company will release its financial results for the third quarter ended September 30, 2008, before the opening of the market on Thursday, November 20, 2008.

Manuel Sanchez, Chairman and Chief Executive Officer and Barbara Zubiria, Chief Financial Reporting Officer and Head of Investor Relations, will conduct a conference call to discuss the third quarter 2008 results, which will be simultaneously webcast at 1:00 P.M. Eastern Time / 7:00 P.M. Madrid Time on Thursday, November 20, 2008.

To access the conference call, participants in North America should dial (800) 374-0724 and international participants +1 (706) 634-1387. A live webcast of the conference call will be available at the Investor Relations page of Telvent’s corporate website at www.telvent.com. Please visit the website at least 15 minutes prior to the start of the call to register for the teleconference webcast and download any necessary audio software.

A replay of the call will be available approximately two hours after the conference call is completed. To access the replay, participants in North America should dial (800) 642-1687 and international participants should dial +1 (706) 645-9291. The passcode for the replay is 71451227.

About Telvent

Telvent (NASDAQ: TLVT) is a unique global company listed on the NASDAQ Stock Exchange and a component of the CleanTech IndexTM —the first, and only, stock market index of leading clean technology ("cleantech") companies.

Telvent, the IT Company for a sustainable and secure world, specializes in high-value-added products, services and integrated solutions in the Energy, Transportation, Environmental and Public Administration industry segments, as well as Global Services. Its innovative technology and proven experience help ensure secure and efficient management of the operating and business processes of the world’s leading companies. (www.telvent.com)

Investor Relations Contact

Barbara Zubiria
Tel. +34 902 335599
Email: barbara.zubiria@telvent.com

Lucia Domville
Tel. +1 646 284 9416
Email: ldomville@hfgcg.com

Communication Contact

Patricia Malo de Molina
Tel. +34 954 93 71 11
Email: comunicacion@abengoa.com