International Logging Incorporated Announces Acquisition of Information Systems Division of Datalog Technology

Houston, TX (June 15, 2007) – International Logging Incorporated (ILI) announced today that it has acquired the surface instrumentation businesses from Datalog Technology Incorporated (DTI). The acquisition includes the WellWizard electronic drilling recorder and the GasWizard stand-alone total gas analysis product lines and associated operations in the United States, Canada, Brazil, and Venezuela. Financial terms were not disclosed.

ILI, founded in 1990 and headquartered in Houston, Texas, acquired Datalog’s manned surface logging division in September 2006. Today, ILI has amongst the most modern and largest logging fleets in the world and is a market leader in the Far East, Latin America, and Africa, with more than 900 field geologists in 53 countries. ILI is majority owned by equity sponsors Carlyle/Riverstone and Cherington Capital.

"We envisioned this transaction last year when we acquired the DTI mud logging operations and we are delighted to add more Datalog-developed technology to our portfolio of products and services. Most importantly, however, we are very excited to welcome the manufacturing, service, and R&D groups to the ILI team," stated Ken Babcock, President and Chief Executive Officer of ILI. "In addition to opening new market segments and growth opportunities for ILI, the Calgary-based manufacturing and R&D center compliments our global network of service and manufacturing facilities."

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Carlyle/Riverstone
Riverstone Holdings LLC and The Carlyle Group are the co-general partners of Carlyle/Riverstone Global Energy and Power Funds. Riverstone, a New York-based energy and power focused private equity firm founded in 2000, has $8.1 billion under management. Riverstone conducts buyout and growth capital investments in the midstream, upstream, power and oilfield service sectors of the energy industry. To date, the firm has committed more than $5.5 billion to 36 investments across each of these four sectors. The Carlyle Group is a global private equity firm with $56 billion under management. Carlyle invests in buyouts, venture & growth capital, real estate and leveraged finance in North America, Europe and Asia. Since 1987, the firm has invested $26.4 billion of equity in 601 transactions. www.carlyle.com.

Cherington Capital
Cherington Capital leads buyouts and recapitalizations for lower middle market companies in the energy sector, focusing in particular on oilfield services companies. Cherington Capital is located in Cambridge, MA and has led eight acquisitions and investments in oilfield services firms providing a wide range of products and services. Cherington helps management create value after the transaction through strategic planning, executive recruitment, increased investment in new products, structuring joint ventures to expand distribution, and executing add-on acquisitions. Cherington seeks businesses with proprietary products and defensible business models that can grow throughout cycles. www.cherington.com.

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