SHAREHOLDER INFORMATION

If a Broker or Banker Holds Your Shares

Shareholders who hold shares of Marsh McLennan beneficially through a broker, bank, or other intermediary organization should contact that organization for these services.

Stock Listings

Marsh McLennan common stock (ticker symbol: MMC) is listed on the New York, Chicago, and London Stock Exchange.

If You Hold Shares Yourself

Shareholders of record inquiring about reinvestment and payment of dividends, consolidation of accounts, stock certificate holdings, stock certificate transfers, and address changes should contact:

Equiniti Shareowner Services

P.O. Box 64874

St. Paul, MN 55164-0874

Telephone: 800 457 8968 or 651 450 4064 (Outside the US and Canada)

Address: 1110 Centre Pointe Curve, Suite 101, Mendota Heights, MN 55120

Equiniti’s website: www.shareowneronline.com

Purchasing Shares Directly

Shareholders of record and other interested investors can purchase Marsh McLennan common stock directly through the Company's transfer agent and the Administrator for the Plan, Equiniti. A brochure on the Plan is available on the Equiniti’s website or by contacting Equiniti directly: