X0306 4 2013-03-04 0000062709 MARSH & MCLENNAN COMPANIES, INC. MMC 0001309593 Beshar Peter J 1166 AVENUE OF THE AMERICAS NEW YORK NY 10036 1 EVP and General Counsel Common Stock 2013-03-04 4 M 0 100000 0 A 206741 D Common Stock 2013-03-04 4 M 0 75000 0 A 281741 D Common Stock 2013-03-04 4 S 0 156511 36.9698 D 125230 D Stock Options (Right to Buy) 27.53 2013-03-04 4 M 0 100000 0 D 2014-11-21 Common Stock 100000 0 D Stock Options (Right to Buy) 30.505 2013-03-04 4 M 0 75000 0 D 2015-03-15 Common Stock 75000 0 D Mr. Beshar received an option grant covering 100,000 shares in 2004 and an option grant covering 75,000 shares in 2005. On March 4, 2013, Mr. Beshar exercised these two grants and thereby increased his net ownership of MMC common stock from 106,741 shares to 125,230 shares. 156,511 shares were sold solely to cover the exercise price and applicable taxes. These options were granted on November 22, 2004 and vested in three equal annual installments on November 22nd of 2005, 2006 and 2007. These options were granted on March 16, 2005 and vested in four equal annual installments on March 16th 2006, 2007, 2008 and 2009. /s/ Lucy Fato, Attorney-in-Fact 2013-03-06