Smith International, Inc. (NYSE:SII) announced that it plans to release financial results for the period ended December 31, 2009 on Wednesday, January 27, 2010 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. John Yearwood, Smith’s Chief Executive Officer, will host the call and will be joined by William Restrepo, Chief Financial Officer, Chris Rivers, President of M-I SWACO, and Shawn Housley, Director of Investor Relations.

Participants may join the conference call by dialing +1-800-233-1182 or +1-847-413-2447 for international calls, and requesting the Smith International, Inc. call hosted by John Yearwood. A replay of the conference call will also be available through Wednesday, February 3, 2010 by dialing 888-843-8996 and entering conference call identification number “25754769”. A live broadcast of the conference call will be available on the Internet with an archived version accessible after the call.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 www.smith.com.

Smith International, Inc. is one of the largest global providers of products and services used by operators during the drilling, completion and production phases of oil and natural gas development activities. The Company employs more than 21,000 employees and operates in over 80 countries around the world.