EXHIBIT Z

Common Shares Acquired by the Fundação from October 24, 2014 through December 24, 2014
Date	Amount Acquired		Price per Share (R$)		Total Price Paid (R$)			Price per Share (US$)2		Total Price Paid (US$)
12/1/2014		526,900		BRL    16.00		BRL	8,429,221	$	6.27	$	3,303,412
12/2/2014		2,331,000		BRL    15.80		BRL	36,832,548	$	6.17	$	14,372,060
12/3/2014		570,900		BRL    15.78		BRL	9,006,456	$	6.15	$	3,511,617
12/4/2014		312,500		BRL    15.66		BRL	4,893,675	$	6.11	$	1,909,023
12/5/2014		36,600		BRL    15.69		BRL	574,259	$	6.11	$	223,731
12/8/2014		1,000,000		BRL    15.75		BRL	15,752,130	$	6.05	$	6,053,544
12/9/2014		500,000		BRL    15.53		BRL	7,766,780	$	5.99	$	2,993,317
12/10/2014		279,000		BRL    15.62		BRL	4,358,666	$	6.01	$	1,676,779
12/11/2014		410,000		BRL    15.86		BRL	6,503,695	$	6.10	$	2,502,622
12/12/2014		1,480,000		BRL    15.59		BRL	23,071,325	$	5.93	$	8,783,253
12/15/2014		566,900		BRL    15.32		BRL	8,684,102	$	5.77	$	3,271,301
12/16/2014		209,700		BRL    15.31		BRL	3,210,368	$	5.74	$	1,203,567
12/17/2014		390,100		BRL    15.57		BRL	6,072,156	$	5.74	$	2,237,589
12/18/2014		759,400		BRL    15.82		BRL	12,016,505	$	5.81	$	4,408,856
12/19/2014		372,700		BRL    15.88		BRL	5,919,210	$	5.90	$	2,199,578
12/22/2014		45,200		BRL    15.91		BRL	719,130	$	5.99	$	270,681
Total		9,790,900				BRL	153,810,226			$	58,920,930

²  All purchases were made in Reais, the Brazilian currency. The amounts listed in this table in U.S. dollars represent convenience translations based on the applicable closing exchange rate on the day of purchase.