CRA International Acquires The Ballentine Barbera Group for $22.7 Million; Acquisition of Highly Respected Firm Expected To Accelerate Growth in CRA's Transfer Pricing Practice.

BOSTON -- CRA International, Inc. (NASDAQ: CRAI), a worldwide leader in providing economic, financial, and management consulting services, today announced that it has acquired Washington, DC-based The Ballentine Barbera Group, LLC (BBG), an independent consulting firm focusing on transfer pricing services.

Under the terms of the agreement, CRA purchased substantially all of the assets of BBG for approximately $22.7 million, consisting of $17.7 million in cash and $5.0 million in restricted stock of CRA. Additional purchase consideration may be payable based upon specific performance metrics. CRA anticipates that the acquisition will be accretive in 2006. CRA anticipates retaining the services of substantially all of BBG's employees.

"CRA's acquisition of BBG reflects our corporate strategy of adding businesses that complement our core capabilities while further expanding our geographic reach throughout the United States and Europe," said CRA International President and CEO James C. Burrows. "In addition, it offers an opportunity to expand our market presence in transfer pricing, a rapidly growing area of our litigation practice. With the addition of BBG's 35 billable staff, CRA has significantly strengthened its ability to respond to the demands of the global litigation support marketplace."

J. Gregory Ballentine, formerly a principal with BBG, says "CRA's scope, resources and collaborative corporate culture provide a perfect fit for BBG and enable us to offer our unique services to a broader range of clients." Dr. Ballentine will now lead CRA's Transfer Pricing practice.

BBG offers a full range of world-class transfer pricing and valuation services. Its primary service areas include Controversy, Documentation, Planning, and Valuation. The firm has been involved in cases with many high-profile companies in the past several years, including DHL, Halliburton, Sears, and Federal Express Corporation. Internationally, BBG has advised on major transfer pricing cases in Canada, France, Germany, Hong Kong, Italy, Japan, the Netherlands, Singapore, and the United Kingdom. In addition to its headquarters in Washington, DC, BBG has offices in Atlanta, New York, Palo Alto, London, and Melbourne. For the trailing twelve months ended April 30, 2006, BBG's revenues were approximately $12.0 million.

About CRA

Founded in 1965, CRA International is a leading provider of economic and financial expertise and management consulting services. Working with businesses, law firms, accounting firms, and governments, CRA is the preferred consulting firm for complex assignments with pivotal and high-stakes outcomes. The firm is distinguished by a unique combination of credentials: deep vertical experience in a variety of industries; broad horizontal expertise in a range of functional disciplines; and rigorous economic, financial, and market analysis. CRA offers a proven track record of thousands of successful engagements in regulatory and litigation support, business strategy and planning, market and demand forecasting, policy analysis, and engineering and technology management. Headquartered in Boston, the firm has more than a dozen offices within the United States and ten offices in Canada, Europe, the Middle East, and the Asia Pacific region. Detailed information about CRA is available at www.crai.com.

Statements in this press release concerning the expected benefits from CRA's acquisition of BBG are "forward-looking" statements as defined in the Private Securities Litigation Reform Act of 1995. Such statements are based on management's current expectations and are subject to a number of factors and uncertainties. Information contained in these forward-looking statements is inherently uncertain, and actual performance and results may differ materially. Such factors that could cause actual results to differ materially from any forward-looking statements made by CRA include, among others, difficulties in integrating BBG's operations, difficulties in integrating BBG's personnel into CRA's existing operations, undisclosed or unanticipated expenses or liabilities associated with the acquisition, the potential loss of clients, the potential loss of key personnel, the difficulty of attracting and retaining qualified consultants, dependence on outside experts, intense competition, and professional liability. Further information on factors that could affect CRA's financial results is included in its most recent Form 10-Q/A filed on April 26, 2006, with the Securities and Exchange Commission.