Oct. 3, 2006 — Maverick Tube Corp.’s stockholders have approved the previously announced merger with a subsidiary of Tenaris SA at a special meeting held on Monday, October 2nd.

There were 25,634,954 votes cast at the special meeting in favor of the merger, representing approximately 69.4% of the 36,954,313 shares entitled to vote.

Upon consummation of the merger, Maverick will become a wholly owned subsidiary of Tenaris SA. Under terms of the merger agreement, Maverick stockholders will receive $65 in cash for each share of Maverick common stock they own. Maverick stockholders will receive letters of transmittal from the paying agent for the transaction shortly after the merger is completed for them to complete and return with their stock certificates to receive their per share merger consideration.

“As we complete the final steps towards Maverick’s acquisition by Tenaris, I would once again like to thank all of the members of the Maverick family — customers, suppliers, stockholders, directors and, especially, employees,” said Maverick’s CEO, C. Robert Bunch. “Working together for mutual benefit, you have created a company of which we can all be proud.”

All other conditions to the merger have been satisfied and the parties expect that the merger will be consummated on October 5, 2006.

Maverick Tube Corp. is a St. Louis, Missouri, based manufacturer of tubular products in the energy industry for exploration, production, and transmission, as well as industrial tubing products such as steel electrical conduit, standard pipe, pipe piling, and mechanical tubing used in various applications.