Oil States to Present at the Calyon Conference

HOUSTON, May 15 /PRNewswire-FirstCall/ -- Oil States International, Inc. announced today that Christopher E. Cragg, Oil States' Senior Vice President of Operations, will present at the Calyon Energy Conference on Wednesday, May 16, 2007 at 9:10 a.m. Eastern time. The Company's presentation can be heard via a live webcast.

To listen to the webcast of Oil States' presentation, please go to Oil States' website at: http://www.oilstatesintl.com/ and click on the webcast link or use the following URL:

https://calyon-events.webex.com/mw0302l/mywebex/default.do?siteurl=calyon- events

Oil States International, Inc. is a diversified oilfield services company with locations around the world. Oil States is a leading manufacturer of products for deepwater production facilities and subsea pipelines, and a leading supplier of a broad range of services to the oil and gas industry, including production-related rental tools, work force accommodations and logistics, oil country tubular goods distribution and land drilling services. Oil States is organized in three business segments - Offshore Products, Tubular Services and Well Site Services, and is publicly traded on the New York Stock Exchange under the symbol OIS. For more information on the Company, please visit Oil States International's website at http://www.oilstatesintl.com/.

The presentation will contain forward-looking statements within the meaning of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements are those that do not state historical facts and are, therefore, inherently subject to risks and uncertainties. The forward-looking statements included in the presentation will be based on then current expectations and entail various risks and uncertainties that could cause actual results to differ materially from those forward-looking statements. Such risks and uncertainties include, among other things, risks associated with the general nature of the oilfield service industry and other factors discussed within the "Business" section of the Form 10-K for the year ended December 31, 2006 filed by Oil States with the SEC on February 28, 2007.