Baker Hughes Announces May 2011 Rig Counts

Houston, Texas - June 7, 2011. Baker Hughes Incorporated (NYSE:BHI) announced today that the international rig count for May 2011 was 1,151, up 22 from the 1,129 counted in April 2011, and up 61 from the 1,090 counted in May 2010. The international offshore rig count for May 2011 was 306, up 13 from the 293 counted in April 2011 and up 8 from the 298 counted in May 2010.

The last report of rig activity in Libya was for February 2011.

The US rig count for May 2011 was 1,836, up 46 from the 1,790 counted in April 2011 and up 323 from the 1,513 counted in May 2010. The Canadian rig count for May 2011 was 143, down 41 from the 184 counted in April 2011 and down 4 from the 147 counted in May 2010.

The worldwide rig count for May 2011 was 3,130, up 27 from the 3,103 counted in April 2011 and up 380 from the 2,750 counted in May 2010.

May 2011 Rotary Rig Counts

About the Baker Hughes Rig Counts

The Baker Hughes Rotary Rig Counts are counts of the number of drilling rigs actively exploring for or developing oil or natural gas in the United States, Canada and international markets. Baker Hughes has issued the rotary rig counts as a service to the petroleum industry since 1944, when Hughes Tool Company began weekly counts of US and Canadian drilling activity. Hughes initiated the monthly international rig count in 1975.

North American rig count data is scheduled to be released at noon central time on the last working day of each week. The international rig count is scheduled to be released on the 5th working day of the month. Additional detailed information on the Baker Hughes rig counts is available from our website.

Baker Hughes provides reservoir consulting, drilling, pressure pumping, formation evaluation, completion and production products and services to the worldwide oil and gas industry.