Trinity Industries Inc (TRN): ValueAct Capital Adds to Its Position

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Page 13 of 13 – SEC Filing
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CUSIP NO. 896522109 Page 13 of 14
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ValueAct Holdings, L.P., by
ValueAct Holdings GP, LLC, its
General Partner

By: /s/ Bradley E. Singer
————————————–
Dated: September 15, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Holdings GP, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: September 15, 2016 Bradley E. Singer, Chief Operating Officer

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CUSIP NO. 896522109 Page 14 of 14
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Exhibit 1

JOINT FILING UNDERTAKING

The undersigned parties hereby agree that the Schedule 13D filed herewith
(and any amendments thereto) relating to the Common Stock of Trinity
Industries, Inc., is being filed jointly on behalf of each of them with the
Securities and Exchange Commission pursuant to Section 13(d) of the
Securities Exchange Act of 1934, as amended.

ValueAct Capital Master Fund L.P., by
VA Partners I, LLC, its General Partner

By: /s/ Bradley E. Singer
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Dated: September 15, 2016 Bradley E. Singer, Chief Operating Officer

VA Partners I, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: September 15, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Capital Management, L.P., by
ValueAct Capital Management, LLC its
General Partner

By: /s/ Bradley E. Singer
————————————–
Dated: September 15, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Capital Management, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: September 15, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Holdings, L.P., by
ValueAct Holdings GP, LLC, its
General Partner

By: /s/ Bradley E. Singer
————————————–
Dated: September 15, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Holdings GP, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: September 15, 2016 Bradley E. Singer, Chief Operating Officer

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