HYDL Hydril (MM)

Hydril (Nasdaq:HYDL) plans to report earnings for the year ended December 31, 2006 after the market closes on Wednesday, January 31, 2007. The company will conduct a teleconference at 8:30 a.m. EST (7:30 a.m. CST; 5:30 a.m. PST) on Thursday, February 1, 2007 to discuss the financial results. Individuals who wish to participate in the call should dial (877) 407-0782 (domestic) or (201) 689-8567 (international) approximately five to ten minutes prior to the scheduled start time of the call. In addition, the conference call will be simulcast through a listen only webcast over the Internet and can be accessed by logging onto the company�s Web address at www.hydril.com and proceeding to the �Earnings Conference Call� icon on the homepage. A replay of the call will be available by dialing (877) 660-6853 (domestic) or (201) 612-7415 (international). Both account number 286 and conference ID number 229153 are required to access the playback. An archive of the webcast will be available through the Investor Relations page at www.hydril.com for 90 days from the date of the call. A transcript of the call will be available on Monday, February 5, at www.hydril.com and can be accessed from the Investor Relations page by clicking on �Presentations/Webcasts�. Hydril, headquartered in Houston, Texas, is engaged worldwide in engineering, manufacturing and marketing premium connections and pressure control products used for oil and gas drilling and production.