Estrella International Energy Services Ltd. Announces Filing of 2010 Annual Audited Financial Statements and MD&A

CALGARY, ALBERTA--(Marketwire - May 2, 2011) -

NOT FOR DISSEMINATION IN THE UNITED STATES OR THROUGH U.S. NEWSWIRES

Estrella International Energy Services Ltd. ("Estrella" or the "Company") (TSX VENTURE:EEN) is pleased to announce that it has filed its Audited Consolidated Financial Statements and the related Management's Discussion and Analysis ("MD&A") for the year-ended December 31, 2010 and its Annual Information Form for the year ended December 31, 2010 on the System for Electronic Document Analysis and Retrieval ("SEDAR").

Copies of these documents can be found on the SEDAR website at www.sedar.com.

Financial Highlights for the Year ended December 31, 2011 (all dollar amounts are US$ '000)

During the year ended December 31, 2010, the Company booked record revenues of $33,577, which represents an increase of 8% compared to the year ended December 31, 2009. The Company recorded a net profit of $2,853 ($0.0467 per common share) compared to a net loss of $11,347 ($(0.7565) per common share) for the year ended December 31, 2009.

Net profit was favourably impacted by the booking of other income of $10,903, primarily in connection with the conversion of a long term debt into equity.

During the year ended December 31, 2010 cash provided by operating activities amounted to $1,390 compared to a use of ($2,900) during the year ended December 2009. Total cash flow from financing activities amounted to $64,434 and included various capital raising transactions, including the issue of special warrants, and the issue of long-term debt. These funds were primarily used to construct/purchase and deploy new drilling equipment to South America and to acquire Rigs 1201, 552, 351, 1001 and STS de los Andes S.A.S.

About Estrella

Estrella is an oil and natural gas, geothermal and mining service company with operations throughout South America. It provides conventional drilling services; directional drilling services; tools and equipment sales and rentals; work-over and finishing services; and consulting and engineering services. The Corporation is headquartered in Buenos Aires, Argentina and has operating locations in six countries Latin and South America.

Forward Looking Statements

This press release may contain forward-looking statements which reflect management's expectations regarding future growth, results of operations, performance and business prospects of Estrella. These forward-looking statements may relate to, among other things, forecasts or expectations regarding business outlook for Estrella; commodity prices for oil and natural gas; oil and natural gas demand and production growth; debt service requirements for Estrella; improvements in operating procedures and technology; capital expenditures by Estrella and the oil and gas industry; the business strategies of Estella's customers; future global economic conditions; and future results of operations; expectations regarding the Corporation's ability to raise capital; realization of the anticipated benefits of acquisitions and dispositions, revenue growth, future acquisitions, generation of cash flow, and may also include other statements that are predictive in nature, or that depend upon or refer to future events or conditions, and can generally be identified by words such as "may", "will", "expects", "anticipates", "intends", "plans", "believes", "estimates", "guidance" or similar expressions. In addition, any statements that refer to expectations, projections or other characterizations of future events or circumstances are forward-looking statements. These statements are not historical facts or guarantees of future performance, but instead represent management's current expectations, estimates and projections regarding future events.

The reader is cautioned that assumptions used in the preparation of any forward-looking information may prove to be incorrect. Events or circumstances, such as future availability of capital on favourable terms, may cause actual results to differ materially from those predicted, as a result of numerous known and unknown risks, uncertainties, and other factors, many of which are beyond the control of Estrella. The reader is cautioned not to place undue reliance on any forward-looking information. Such information, although considered reasonable by management at the time of preparation, may prove to be incorrect and actual results may differ materially from those anticipated. Forward-looking statements contained in this press release are expressly qualified by this cautionary statement. The forward-looking statements contained in this press release are made as of the date of this press release, and Estrella does not undertake any obligation to update publicly or to revise any of the included forward-looking statements, whether as a result of new information, future events or otherwise, except as required by securities law.

THIS PRESS RELEASE, REQUIRED BY APPLICABLE CANADIAN LAWS, IS NOT FOR DISTRIBUTION TO U.S. NEWS SERVICES OR FOR DISSEMINATION IN THE UNITED STATES, AND DOES NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO SELL ANY OF THE SECURITIES DESCRIBED HEREIN IN THE UNITED STATES. THESE SECURITIES HAVE NOT BEEN, AND WILL NOT BE, REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS, AND MAY NOT BE OFFERED OR SOLD IN THE UNITED STATES OR TO U.S. PERSONS UNLESS REGISTERED OR EXEMPT THEREFROM.