Sonenshine Partners Announces the
Closing of the Merger of ProQuest Information and Learning
Division into Cambridge Information Group
Company Press Release
February 12, 2007
New York, N.Y. - Sonenshine Partners today announced
that Cambridge Information Group has reported the completion
of its previously announced acquisition of the assets
of ProQuest Information and Learning.
ProQuest Information and Learning is a world leader in collecting, organizing, and publishing information for researchers, faculty, and students in libraries and schools. It is widely known for its strength in business and economics, general reference, genealogy, humanities, social sciences, and STM content, as well as award-winning search technology. The Company develops premium research solutions comprising periodicals, newspapers, dissertations, out-of-print books, and other scholarly information from more than 9,000 publishers worldwide. Users access the information through the ProQuest® Web-based online information system, Chadwyck-Healey® electronic and microform resources, UMI® microform and print reference products, eLibrary® and SIRS® educational resources, and Serials Solutions e-resource access and management solutions.
Cambridge Information Group (CIG) is a privately owned group of information services and publishing companies and educational institutions located around the world. CIG provides strategic direction, financial planning and management oversight to its operating companies, facilitating their growth and success. CIG is the parent company to CSA, R.R. Bowker, RefWorks, and Corporate Educational Services, owner of the Sotheby’s Institute of Art, as well as the largest shareholder of Navtech, Inc. (“NAVH.OB”).
Sonenshine Partners is a leading independent investment bank focused on providing integrated strategic, financial and corporate advisory services. The firm was founded in 2000 and is headquartered in New York City.

