Golden Minerals Company

% of Shares Held by All Insider and 5% Owners:

23%

% of Shares Held by Institutional & Mutual Fund Owners:

49%

% of Float Held by Institutional & Mutual Fund Owners:

63%

Number of Institutions Holding Shares:

39

Holder

Shares

Reported

SENTIENT EXECUTIVE GP III, LTD

2,939,790

Oct 22, 2010

SENTIENT GLOBAL RESOURCES FUND III, LP

2,673,371

Oct 22, 2010

HOCHSCHILD MINING PLC

N/A

Jan 7, 2010

SGRF III PARALLEL I, LP

266,419

Oct 22, 2010

CLEVENGER JEFFREY G

255,056

Sep 15, 2011

Holder

Shares

% Out

Value*

Reported

Sprott Asset Management Inc

821,700

5.37

14,609,826

Jun 30, 2011

Royal Bank of Canada

524,085

3.42

9,318,231

Jun 30, 2011

OPPENHEIMER FUNDS, INC.

466,420

3.05

8,292,947

Jun 30, 2011

VANGUARD GROUP, INC. (THE)

442,352

2.89

7,865,018

Jun 30, 2011

GILDER, GAGNON, HOWE & CO.

2,905,543

18.99

51,660,554

Jun 30, 2011

AGF Investments Inc.

297,400

1.94

5,287,772

Jun 30, 2011

BlackRock Fund Advisors

281,663

1.84

5,007,968

Jun 30, 2011

DIMENSIONAL FUND ADVISORS LP

256,040

1.67

4,552,391

Jun 30, 2011

DEUTSCHE BANK AKTIENGESELLSCHAFT

204,910

1.34

3,643,299

Jun 30, 2011

TRELLUS MANAGEMENT COMPANY, LLC

179,500

1.17

3,191,510

Jun 30, 2011

Holder

Shares

% Out

Value*

Reported

OPPENHEIMER GOLD & SPECIAL MINERALS FUND, INC.

789,952

5.16

17,347,345

Mar 31, 2011

Market Vectors ETF Tr-Junior Gold Miners ETF

567,914

3.71

8,257,469

Jul 31, 2011

DWS Gold & Precious Metals Fd

202,074

1.32

3,592,875

Jun 30, 2011

VANGUARD SMALL-CAP INDEX FUND

185,210

1.21

4,067,211

Mar 31, 2011

Global X Fds-Global X Silver Miners ETF

161,557

1.06

2,349,038

Jul 31, 2011

ISHARES RUSSELL 2000 INDEX FD

146,519

0.96

2,130,386

Jul 31, 2011

VANGUARD SMALL-CAP GROWTH INDEX FUND

125,403

0.82

2,753,849

Mar 31, 2011

VANGUARD TOTAL STOCK MARKET INDEX FUND

98,921

0.65

2,172,305

Mar 31, 2011

ISHARES RUSSELL 2000 GROWTH INDEX FD

71,672

0.47

1,042,110

Jul 31, 2011

DFA U.S. MICRO CAP SERIES

64,871

0.42

1,297,420

Apr 30, 2011