X0303 4 2011-02-01 0000067472 MOLEX INC MOLX 0001402603 Nauman J Michael C/O MOLEX INCORPORATED 2222 WELLINGTON COURT LISLE IL 60532 1 Executive Vice President, IPD Class A Common Stock 2011-02-01 4 M 0 1875 13.25 A 83790.31 D Class A Common Stock 2011-02-01 4 F 0 1401 22.31 D 82389.31 D Stock Option (Right to Acquire) Class A 13.25 2011-02-01 4 M 0 1875 0 D 2008-02-01 2012-02-01 Class A Common Stock 1875 0 D The reported transaction was not a voluntary exercise on the part of the option holder. These stock options were net share exercised pursuant to the terms of The 2008 Molex Stock Incentive Plan. This means that shares underlying the option were used to pay the exercise price and withholding taxes. Includes 253.29 shares acquired on October 20, 2010 and 253.29 shares acquired on January 20, 2011 under the Molex Dividend Reinvestment Plan. Option granted under the 1998 Molex Stock Option and Restricted Stock Plan that becomes exercisable one year after grant, expires five years after grant and vests in 25% annual increments on the anniversary date of the grant. /s/Mark R. Pacioni, attorney-in-fact for J. Michael Nauman 2011-02-03