1. Company Directors - B
2. Brown Arthur

Insider Trading History of Brown Arthur

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Brown Arthur since 2005. The trader's CIK number is 1166090. At the time of the last reporting, Brown Arthur was the Director of Amcol International Corp. (stock ticker symbol ACO). Also see all insider trading activities at Amcol International Corp.

Note that in the past BROWN ARTHUR also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Hecla Mining Co/de/ (HL) by Brown Arthur

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2006	HL	0	$0	187,000	$1,206,014	233,890	$347,879

Yearly summary of insider trading at Amcol International Corp (ACO) by Brown Arthur

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2012	ACO	0	$0	3,000	$87,060	3,000	$78,060
2010	ACO	0	$0	13,999	$394,867	15,999	$232,842
2009	ACO	0	$0	3,000	$41,991	3,000	$7,071
2008	ACO	0	$0	0	$0	22,956	$54,107
2005	ACO	0	$0	8,000	$152,136	0	$0

Insider trading activities at 2 companies by Brown Arthur:

1. Hecla Mining Co/de/ (HL)

2. Amcol International Corp (ACO)

Table 1. Insider trading of Hecla Mining Co/de/ (HL) by Brown Arthur

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2006-06-12	HL	Option Ex	78,704	.00	0
2006-04-05	HL	Sale	5,000	6.52	32,599
2006-04-06	HL	Sale	5,000	6.79	33,950
2006-03-30	HL	Sale	5,000	6.72	33,615
2006-03-28	HL	Option Ex	152,000	2.18	331,360
2006-03-29	HL	Sale	5,000	6.62	33,115
2006-03-28	HL	Sale	162,000	6.43	1,041,660
2006-03-27	HL	Sale	5,000	6.21	31,075
2006-01-31	HL	Option Ex	3,186	5.18	16,519

Table 2. Insider trading of Amcol International Corp (ACO) by Brown Arthur

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2012-02-01	ACO	Option Ex	3,000	26.02	78,060
2012-02-01	ACO	Sale	3,000	29.02	87,060
2010-12-02	ACO	Option Ex	10,999	15.53	170,792
2010-12-02	ACO	Sale	10,999	29.06	319,597
2010-07-14	ACO	Option Ex	2,000	3.88	7,750
2010-02-05	ACO	Sale	3,000	25.09	75,270
2010-02-05	ACO	Option Ex	3,000	18.10	54,300
2009-02-02	ACO	Option Ex	3,000	2.36	7,071
2009-02-02	ACO	Sale	3,000	14.00	41,991
2008-05-08	ACO	Option Ex	22,956	2.36	54,107
2005-06-28	ACO	Sale	8,000	19.02	152,136

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Brown Arthur (Director of Amcol International Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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