Maverick Tube Corporation to Market and Sell Premium Seamless Oil Country Tubular Goods (OCTG) For Rocky Mountain Steel Mills

Jeff Shorter, Maverick's Vice President and General Manager, said,"We are very excited about adding premium seamless OCTG products toour portfolio. As our alloy expansion nears completion, this was thenext logical step to continue to improve our access to the deeperwells our customers are drilling in all parts of the world. We expectthat this arrangement will help improve the alloy component of our2006 U.S. OCTG revenues to between 60% and 70%." Mr. Shortercontinued, "This partnership is a win for everyone. Maverick broadensand upgrades its product portfolio, our customers have access topremium 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 MountainSteel Mills, said, "We are pleased about the reopening of our seamlessmill and the successful start-up we experienced in December 2005. Withthe investment we are making in this facility, we continue to expandour offerings of value-added products. This agreement with MaverickTube allows us to combine our process and manufacturing expertise withthe sales and marketing skills of Maverick to bring our product tomarket."

Maverick Tube Corporation is a St. Louis, Missouri basedmanufacturer of tubular products in the energy industry forexploration, production, and transmission, as well as industrialtubing 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 OregonSteel Division produces steel plate, coil, small and large diameterline pipe, casing and structural tubing from plants located inPortland, Oregon and Camrose, Alberta, Canada. The Rocky MountainSteel Mills Division, located in Pueblo, Colorado, produces steelrail, rod and bar, and seamless tubular products.

This news release may contain forward-looking information that isbased on assumptions that are subject to numerous business risks, manyof which are beyond the control of the Company. There is no assurancethat such assumptions will prove to be accurate. Actual results maydiffer from these forward-looking statements due to numerous factors,including those described under "Risk Factors" and elsewhere inMaverick's Form 10-K for its year ended December 31, 2004.