Item 2. Properties

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As of December 31, 2019, our principal offices consisted of the following leased properties:

As of December 31, 2019, we have more than 30 leased and occupied locations of which the principal offices are listed above. We also have additional office locations, including but not limited to, the following leased locations (in descending order of square footage): Chicago, Illinois; Geneva, Switzerland; San Francisco, California; Beijing, China; Frankfurt, Germany; Shanghai, China; Hong Kong, China; Paris, France; Tokyo, Japan; Portland, Maine; Sydney, Australia; Toronto, Canada; and Singapore.

We believe that our properties are in good operating condition and adequately serve our current business operations. We also anticipate that suitable additional or alternative space, including those under lease options, will be available at commercially reasonable terms for future expansion.