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Clayton, Dubilier & Rice LLC (Clayton, Dubilier & Rice) is a private equity subsidiary of Clayton, Dubilier & Rice Holdings LP founded in 1978 by Joseph L. Rice. The firm is headquartered in New York.

Citigroup Alternative Investments LLC (CAI) is a SEC-registered asset management firm headquartered in New York City. The firm was founded in 2002 and is a wholly-owned subsidiary of Citigroup Investments, Inc., which is owned by Citigroup, Inc. (NYSE: C). CAI provides advisory services to private investment companies, such as private equity funds and funds of one or more private equity and real estate funds. The investors in the funds advised by the firm are institutional investors, funds of funds, high-net worth individuals and employees, and former employees of Citigroup, Inc.

GTCR LLC (GTCR) is a private equity firm founded in 1980 by Charlie Thomas. The firm is headquartered in Chicago, Illinois.