## sIGNaTuREs 

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Company has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. 

## THE TIMKEN COMPANY 

By /s/ James W. Griffith 

James W. Griffith President, Chief Executive Officer and Director (Principal Executive Officer) Date: February 17, 2012 

By /s/ Glenn A. Eisenberg 

Glenn A. Eisenberg Executive Vice President – Finance and Administration (Principal Financial Officer) Date: February 17, 2012 

By /s/ J. Ted Mihaila 

J. Ted Mihaila Senior Vice President and Controller (Principal Accounting Officer) Date: February 17, 2012 

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed by the following persons on behalf of the registrant and in the capacities and on the dates indicated. 

By /s/ John M. Ballbach* 

John M. Ballbach – Director Date: February 17, 2012 

By /s/ Phillip R. Cox* 

Phillip R. Cox – Director Date: February 17, 2012 

By /s/ John A. Luke, Jr.* 

John A. Luke, Jr. – Director Date: February 17, 2012 

By /s/ Joseph W. Ralston* 

Joseph W. Ralston – Director Date: February 17, 2012 

By /s/ John P. Reilly* 

John P. Reilly – Director Date: February 17, 2012 

By /s/ Frank C. Sullivan* 

Frank C. Sullivan – Director Date: February 17, 2012 

By /s/ John M. Timken, Jr.* 

John M. Timken, Jr. – Director Date: February 17, 2012 

By /s/ Ward J. Timken* 

Ward J. Timken – Director Date: February 17, 2012 

By /s/ Ward J. Timken, Jr.* 

Ward J. Timken, Jr. – Director Date: February 17, 2012 

By /s/ Jacqueline F. Woods* 

Jacqueline F. Woods – Director Date: February 17, 2012 

*By /s/ Glenn A. Eisenberg 

Glenn A. Eisenberg, attorney-in-fact By authority of Power of Attorney filed as Exhibit 24 hereto Date: February 17, 2012 

