HEC Harken Energy Corp

Harken Energy Announces Successful Re-Completion, Commencement of Production From Macarenas # 1 on Rio Verde Contract in Colombia New Well Tested at 605 Barrels of Oil per Day DALLAS, Jan. 27 /PRNewswire-FirstCall/ -- Harken Energy Corporation (AMEX:HEC) announced its 85% owned subsidiary, Global Energy Development PLC ("Global"), successfully re-completed and commenced production from the Macarenas # 1 well within its' 75,000 acre Rio Verde Exploration and Production Contract in Colombia. The Macarenas # 1 well tested at a maximum potential rate of 605 barrels of oil per day of 36 degree API gravity oil. Global owns a 100% working interest in the Macarenas # 1 well. Global currently produces from two wells on the Rio Verde Contract with the Company intending to explore opportunities for additional development around these two wells in the medium-term. Commenting on the Macarenas # 1 and the Rio Verde Contract, Stephen C. Voss, Managing Director of Global Energy Development PLC said, "Progress made on the Rio Verde Contract continues to run ahead of our initial expectations with two wells having been brought on production in just over a month. Within Global's portfolio are four contracts in Colombia from which production is currently being achieved and the resulting cash flow allows us to consider potentially significant opportunities including additional development and exploration opportunities throughout the remaining Rio Verde acreage." Harken Energy Corporation is engaged in oil and gas exploration, development and production operations both domestically and internationally through its various subsidiaries. Additional information may be found at the Harken Energy Web site, http://www.harkenenergy.com/ , or by calling Bevo Beaven or Bill Conboy at CTA Public Relations at (303) 665-4200. This announcement may contain forward-looking statements as defined by the Securities and Exchange Commission. Harken, however, believes that it is important to provide this operations update and communicate its future expectations to its stockholders. The forward-looking statements in this announcement reflect the current view of management with regard to future events and are subject to numerous known and unknown risks, uncertainties and other factors that may cause the actual results, performance, timing or achievements of Harken to be materially different from any results, performance, timing or achievements expressed or implied by such forward- looking statements. These risks, uncertainties and other factors include, among others, the risks described in Harken's filings with the Securities and Exchange Commission including the Annual Report on Form 10-K for the fiscal year ended December 31, 2003 filed on March 26, 2004 and its Form 10-Q for the quarter ended September 30, 2004 filed on November 5, 2004. Statements regarding future production are subject to all of the risk and uncertainties normally associated with exploration, development and production of oil and gas. These risks include, without limitation, variability in the price received for oil and gas production, lack of availability of oil field goods and services, environmental risks, drilling and production risk, risk related to offshore operations, and regulatory changes. Investors are cautioned that any such statements are not guarantees of future performance and that actual results or developments may differ materially from those projected in the forward-looking statements. Although Harken believes that the expectations reflected in the forward-looking statements of this announcement are reasonable, it can give no assurance that such expectations will prove to be correct or that unforeseen developments will not occur. Harken undertakes no duty to update or revise any forward-looking statements. Contact: Bevo Beaven, Vice President Bill Conboy, Sr. Account Executive CTA Public Relations 303-665-4200 DATASOURCE: Harken Energy Corporation CONTACT: Bevo Beaven, Vice President, , or Bill Conboy, Sr. Account Executive, , both of CTA Public Relations, +1-303-665-4200, for Harken Energy Corporation Web site: http://www.harkenenergy.com/

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