Diaz Resources Ltd : Diaz Announces Second Quarter Filing Date

DIAZ RESOURCES LTD.

#1800, 633 Sixth Avenue S.W.

Calgary, Alberta

T2P 2Y5 Canada

The following is for immediate release August 17, 2011

DIAZ ANNOUNCES SECOND QUARTER FILING DATE

Diaz Resources Ltd. (TSXV: DZR) announces that it has been advised by the ASC that due to the July 14, 2011, effective date of its listing on the TSX Venture Exchange, the customary 60 day period available to Venture-listed issuers is not applicable for the Company’s Q2 2011 financial filing. Consequently, Diaz will be filing its financial results for the second quarter 2011 on August 23rd.

Diaz is an oil and gas exploration and production company based in Calgary, Alberta. Diaz’s current focus is on oil development and exploration in Alberta and Saskatchewan.

FOR FURTHER INFORMATION, PLEASE CONTACT:

Robert W. Lamond, Chairman – or – Donald K. Clark, Chief Operating Officer

DIAZ RESOURCES LTD. Telephone: [phone]

Fax: [phone]

Website: www.diazresources.com

Email: [e-mail]

TSXV: DZR

ADVISORY: This press release contains forward looking statements. Although Diaz believes that the expectations reflected in these forward looking statements are reasonable, undue reliance should not be placed on them because Diaz can give no assurance that they will prove to be correct. Since forward looking statements address future events and conditions, by their very nature they involve inherent risks and uncertainties.

The forward looking statements contained in this press release are made as of the date hereof and Diaz undertakes no obligations to update publicly or revise any forward looking statements or information, whether as a result of new information, future events or otherwise, unless so required by applicable securities laws.

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.