<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>confirmingstatementjmc.txt
<TEXT>
										Exhibit 1


CONFIRMING STATEMENT



This Statement confirms that the undersigned, James
M.Conniff, has authorized and designated either Deborah
A. Golden, Peter J. Falconer, Marland O. Webb or Lisa M.
Ibarra to execute and file on the undersigneds behalf
all Forms 3, 4 and 5 (including any amendments thereto)
that the undersigned may be required to file with the
US Securities and Exchange Commission as a result of
the undersigneds ownership of or transactions in securities
of GATX Corporation.  The authority of Deborah A.
Golden, Peter J. Falconer, Marland O. Webb and Lisa
M. Ibarra under this Statement shall continue until
the undersigned is no longer required to file Forms
3, 4 and 5 with regard to the undersigneds ownership
of or transactions in securities of GATX Corporation,
unless earlier revoked in writing.  The undersigned
acknowledges that neither Deborah A. Golden, Peter
J. Falconer, Marland O. Webb, nor Lisa M. Ibarra is
assuming any of the undersigneds responsibilities to
comply with Section 16 of the Securities Exchange Act
of 1934.



Date: December 22, 2014



/s/ James M. Conniff
_______________________________
	James M. Conniff


 Lisa M. Ibarra is
assuming any of the undersigneds responsi
</TEXT>
</DOCUMENT>
