HYDL Hydril (MM)

(Nasdaq:HYDL) Hydril plans to report earnings for the first quarter ended March 31, 2006 after market closes on Monday, April 24, 2006. The company will conduct a teleconference at 8:30 a.m. EDT (7:30 a.m. CDT; 5:30 a.m. PDT) on Tuesday, April 25, 2006 to discuss the financial results. Individuals who wish to participate in the call should dial 800-657-1269 (domestic) or 973-409-9256 (international) and reference passcode # 7285142 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 broadcast 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 approximately two hours after the completion of the call. Access the replay, # 7285142, by dialing 877-519-4471 (domestic) or 973-341-3080 (international). An archive of the webcast will be available through the Investor Relations page at www.hydril.com until midnight eastern time on Thursday, May 25, 2006. A transcript of the call will be available on Thursday, April 27th, at www.hydril.com until June 30, 2006, and can be accessed from the Investor Relations page by clicking on "Transcripts and Reconciliations". 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.