Sasco Partners, LP Amends Previously Filed Early Warning Report

Samex Mining Corp. (TSX VENTURE:SXG)(OTCBB:SMXMF) - As previously announced on
April 28, 2011, Sasco Partners, LP, of Suite 1107 - 2001 Kirby Drive, Suite
1107, Houston, Texas 77019 ("Sasco") acquired 2,464,800 common shares (the
"Common Shares") of Samex Mining Corp. (the "Issuer") at an average price of
$1.37 per Common Share. 


Subsequently, on April 29, 2011, May 2, 2011, May 3, 2011, May 4, 2011 and May
5, 2011, an additional 205,500 Common Shares, 494,500 Common Shares, 362,400
Common Shares, 26,900 Common Shares and 311,800 Common Shares, respectively,
were acquired through the facilities of the TSX Venture Exchange, at an average
price of CDN$1.38 per Common Share, CDN$1.35 per Common Share, CDN$1.35 per
Common Share, CDN$1.29 per Common Share and CDN$1.33 per Common Share,
respectively. An amended early warning report in respect of the above noted
transactions will be filed on SEDAR.


As a result of the acquisition of the additional 1,401,100 Common Shares, the
number of Common Shares owned or controlled by Sasco, together with those
already held by its general manager, Sasan Sadeghpour, is now 29,484,368 Common
Shares (17,596,700 held by Sasco and 11,887,668 held by Sasan Sadeghpour). These
Common Shares represent 23.26% of the Issuer's issued and outstanding Common
Shares. 


In the previous early warning report, Sasco reported that he and joint actors
had acquired Common Shares for investment purposes only. The early warning
report will now be updated and amended to reflect certain changes to the
investment intentions, objectives and strategy of Sasco and its joint actors.


For further information or a copy of the related early warning report filed with
the regulatory authorities, please contact Sasan Sadeghpour at [phone] or
visit www.sedar.com.


"Sasan Sadeghpour"

Manager of Sasco Investments, LP, 

General Manager of Sasco Partners, LP