Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class B Common Stock^F1,F2	Aug 16, 2016	P	1,000,000	$26.13	A	1,000,000	I	See footnotes
Class B Common Stock^F1,F2	Aug 17, 2016	P	550,000	$26.10	A	1,550,000	I	See footnotes
Class B Common Stock^F1,F2	Aug 17, 2016	P	50,000	$26.05	A	1,600,000	I	See footnotes
Class B Common Stock^F1,F2	Aug 17, 2016	P	500,000	$26.05	A	2,100,000	I	See footnotes
Class B Common Stock^F1,F2	Aug 18, 2016	P	300,000	$26.05	A	2,400,000	I	See footnotes
Class B Common Stock^F1,F2	Aug 18, 2016	P	300,000	$25.99	A	2,700,000	I	See footnotes
Class B Common Stock^F1,F2	Aug 18, 2016	P	300,000	$25.86	A	3,000,000	I	See footnotes
Class B Common Stock^F1,F3,F4	holding	—	—		—	47,326,334	I	See footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
F2The securities reported herein are directly beneficially owned by ValueAct Capital Master Fund, L.P. and may be deemed to be indirectly beneficially owned by (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners I, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P.
F3The securities reported herein are directly beneficially owned by Volpe Velox, L.P. and may be deemed to be indirectly beneficially owned by (i) Volpe Velox, LLC as General Partner of Volpe Velox, L.P., and (ii) Jeffrey W. Ubben as the Managing Member of Volpe Velox, LLC.
F4ValueAct Capital Master Fund, L.P. is the sole limited partner of Volpe Velox, L.P. To the extent that ValueAct Capital Master Fund, L.P. is deemed to be a beneficial owner of securities of the Issuer held by Volpe Velox, L.P., such interests may be deemed to be indirectly beneficially owned by (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners I, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. Jeffrey W. Ubben is a member of the management board of ValueAct Holdings GP, LLC.

Remarks

-The reporting persons herein may be deemed to be members of a "group" for purposes of the Securities Exchange Act of 1934, as amended. Each reporting person disclaims beneficial ownership of any securities deemed to be owned by the group that are not directly owned by such reporting person. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person. - Jeffrey W. Ubben, Managing Member of Volpe Velox, LLC and a member of the management board of ValueAct Holdings GP, LLC, serves on the board of directors of the Issuer. As a result, the other reporting persons herein may be deemed directors by deputization.