[3] In November 2002, the company acquired London-based reinsurance broker Denis M. Clayton & Co.[4] In September 2004, Russell Investment Group acquired the company's Australia pension consulting and employee benefits business.

[5] In January 2005, the company sold its human-resources outsourcing unit to Electronic Data Systems (EDS) for $420 million.

[6] In addition, ExcellerateHRO, a venture owned 85% by EDS and 15% by the company was formed to provide HR-related outsourcing services as work force administration, employee recruitment and relocation, as well as traditional benefits administration.

[8] In July 2005, the company acquired Rauser AG, a German pension consulting services firm.

[9] In July 2006, the company acquired Risk Capital Management Partners, which provided financial risk management services to companies in the financial services, energy, utilities and mining industries.