Cbre Group Inc. (CBG): ValueAct Capital Raises Stake, Signs $250 Million Purchase Agreement With Goldman Sachs

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Page 12 of 16 – SEC Filing
SCHEDULE 13D
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CUSIP NO. 12504L109 Page 12 of 16
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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 CBRE Group,
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 16, 2016 Bradley E. Singer, Chief Operating Officer

VA Partners I, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: September 16, 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 16, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Capital Management, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: September 16, 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 16, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Holdings GP, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: September 16, 2016 Bradley E. Singer, Chief Operating Officer

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