MVK Maverick Tube

Maverick Tube Corporation (NYSE:MVK) announced today that it has entered into a marketing agreement with Rocky Mountain Steel Mills (RMSM), a division of Oregon Steel Mills, Inc., whereby Maverick will have the exclusive worldwide right to market and sell RMSM premium seamless OCTG products. This agreement is for a minimum of 48,000 tons per year and commences immediately. Jeff Shorter, Maverick's Vice President and General Manager, said, "We are very excited about adding premium seamless OCTG products to our portfolio. As our alloy expansion nears completion, this was the next logical step to continue to improve our access to the deeper wells our customers are drilling in all parts of the world. We expect that this arrangement will help improve the alloy component of our 2006 U.S. OCTG revenues to between 60% and 70%." Mr. Shorter continued, "This partnership is a win for everyone. Maverick broadens and upgrades its product portfolio, our customers have access to premium seamless OCTG products and RMSM gains an efficient, experienced sales force with access to multiple markets." Rob Simon, Vice President and General Manager of Rocky Mountain Steel Mills, said, "We are pleased about the reopening of our seamless mill and the successful start-up we experienced in December 2005. With the investment we are making in this facility, we continue to expand our offerings of value-added products. This agreement with Maverick Tube allows us to combine our process and manufacturing expertise with the sales and marketing skills of Maverick to bring our product to market." Maverick Tube Corporation 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 (steel electrical conduit, standard pipe, pipe piling, and mechanical tubing) used in various applications. Rocky Mountain Steel Mills is a division of Oregon Steel Mills, Inc. Oregon Steel Mills is organized into two divisions. The Oregon Steel Division produces steel plate, coil, small and large diameter line pipe, casing and structural tubing from plants located in Portland, Oregon and Camrose, Alberta, Canada. The Rocky Mountain Steel Mills Division, located in Pueblo, Colorado, produces steel rail, rod and bar, and seamless tubular products. This news release may contain forward-looking information that is based on assumptions that are subject to numerous business risks, many of which are beyond the control of the Company. There is no assurance that such assumptions will prove to be accurate. Actual results may differ from these forward-looking statements due to numerous factors, including those described under "Risk Factors" and elsewhere in Maverick's Form 10-K for its year ended December 31, 2004.