X0306 4 2012-08-03 0 0000049826 ILLINOIS TOOL WORKS INC ITW 0001478669 SMITH DAVID BYRON JR ILLINOIS TOOL WORKS INC. 3600 WEST LAKE AVENUE GLENVIEW IL 60026 1 0 0 0 Common Stock 2012-08-03 4 A 0 606 55.62 A 8320 D Common Stock 102901 D Common Stock 2650002 I By partnership Common Stock 6404842 I Trusts Common Stock 14986 I Trusts Phantom Stock Units Common Stock 1076 1076 D Shares of common stock acquired pursuant to the Illinois Tool Works Inc. 2011 Long-Term Incentive Plan representing quarterly director fees. Shares owned directly by reporting person with his spouse. Shares are held by 2009 Smith Family LP of which the reporting person has a partial direct beneficial interest. Shares held in various trusts of which reporting person has a partial direct beneficial interest. Shares held in various trusts of which the reporting person has a pecuniary interest and his father is a co-trustee. The reporting person disclaims beneficial ownership of these shares. Represents units of phantom stock under the Phantom Stock Plan for non-employee directors as of August 3, 2012. Each unit is equal in value to one share of common stock. The units are not transferable and have no voting rights. Additional units are credited in amounts equivalent to cash dividends paid on the common stock. David Byron Smith, Jr. by Maria C. Green, Senior Vice President, General Counsel & Secretary, Attorney-In-Fact POA on File 2012-08-07