Smith International, Inc. (NYSE:SII) announced that it plans to report second quarter financial results on Tuesday, July 24, 2007 prior to the opening of the New York Stock Exchange. The press release will be followed by a conference call at 10:00 a.m. Central Time, which is open to the public. The conference call will include a discussion of the quarterly results and a brief question and answer session. Doug Rock, Smith's Chairman and Chief Executive Officer, will host the call and will be joined by Margaret Dorman, Chief Financial Officer, and Mike Pearce, President of Smith Technologies.

Participants may join the conference call by dialing (706) 634-6555 and requesting the Smith International, Inc. call hosted by Doug Rock. A replay of the conference call will also be available through Tuesday, July 31, 2007 by dialing (706) 645-9291 and entering conference call identification number ?5050946?. A live broadcast of the conference call will be available on the Internet with an archived version accessible after the call. Further information on the broadcast can be found on Smith's website at http://www.smith.com/conferencecall.

Smith International, Inc. is a leading supplier of premium products and services to the oil and gas exploration and production industry. The Company employs over 18,500 full-time personnel and operates through four principal business units ? M-I SWACO, Smith Technologies, Smith Services and Wilson.

Smith International, Inc., Houston
Chief Financial Officer
Margaret K. Dorman, 281-443-3370