TORONTO, ONTARIO--(Marketwire - May 30, 2011) - Compania de Tierras Sud Argentino S.A. (the "Offeror") announces that, through a three-cornered amalgamation (the "Amalgamation") involving Minsud Resources Corp. formerly Rattlesnake Ventures Inc. (the "Issuer"), Minsud Resources Inc. and 1830835 Ontario Inc., a wholly-owned subsidiary of the Issuer, it has acquired ownership of 7,147,668 common shares of the Issuer ("Common Shares"), representing approximately 20.6% of the total issued and outstanding Common Shares.

The Amalgamation constituted the qualifying transaction (the "Qualifying Transaction") of the Issuer under Policy 2.4 of the TSX Venture Exchange Corporate Finance Manual, all as set out in the filing statement of the Issuer dated April 27, 2011, which is available under the Issuer's profile on SEDAR at

The Offeror also acquired ownership of 1,000,000 Common Share purchase warrants (the "Warrants") of the Issuer pursuant to the Amalgamation. Each Warrant is exercisable for one Common Share at price of $0.60 until May 10, 2013.

The Offeror's Vice President, Diego Eduardo Perrazo, who may be considered a joint actor with respect to the Offeror, acquired ownership of 780,803 Common Shares, representing approximately 2.3% of the total issued and outstanding Common Shares pursuant to the Amalgamation.

In aggregate, the Offeror and its joint actor own 7,928,471 Common Shares (8,928,471 including Common Shares issuable upon exercise of the Warrants), representing approximately 22.9% of the total issued and outstanding Common Shares (approximately 25.1% on a partially diluted basis)

The Offeror and joint actor acquired and intend to hold the securities for investment purposes. The Offeror and/or joint actor may, depending on market and other conditions, increase its beneficial ownership, control or direction over the Common Shares or other securities of Issuer, through market transactions, private agreements, treasury issuances, exercise of convertible securities or otherwise, in accordance with applicable securities regulations. Depending on market or other conditions, the Offeror and/or its joint actor may sell all or a portion of the Common Shares and/or Warrants.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Contact Information:

Compania de Tierras Sud Argentino S.A.
Diego Eduardo Perazzo
Vice President
(54) 11-4393-2025