IBM 			New Orchard Road 			Armonk, NY 10504 						June 8, 2016 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 I hereby delegate to each of the following individuals, whose signatures appear below, to sign and file on behalf of Jon C Iwata, an executive officer of IBM, any Securities and Exchange Commission forms or documents in connection with any transactions by Jon C Iwata in IBM securities, including without limitation Form 3, Form 4, Form 5 under the Securities Exchange Act of 1934, or Form 144 under the Securities Act of 1933. The specimen signatures provided below may be signed on separate documents, and such documents taken together shall constitute a single document. E. Barth _____________/s/ E. Barth___________________ C. Kobialka ____________/s/ C. Kobialka_________________ P.T. Charouk ____________/s/ P.T. Charouk________________ M. Clemens ____________/s/ M. Clemens__________________ C. A. Hall ___________/s/ C. A. Hall___________________ G. A. Kuehnel ___________/s/G.A. Kuehnel__________________ A. Gomes da Silva ___________/s/ A. Gomes da Silva____________ N. LaMoreaux __________/s/ N. LaMoreaux__________________ L. Mallardi ___________/s/ L. Mallardi__________________ This authorization shall remain in effect for as long as Jon C Iwata remains an executive officer of IBM. 		Very truly yours, 			/s/ Christina M. Montgomery 			Christina M. Montgomery 			Vice President, Assistant General Counsel 			and Secretary