NEWSROOM

/NOT FOR DISSEMINATION IN THE UNITED STATES OF AMERICA OR TO US NEWS SERVICES/

TORONTO, July 1 /CNW/ - Pacific Rubiales Energy Corp. (TSX: PRE; BVC: PREC) announced today the commencement of a consent solicitation (the "Consent Solicitation") with respect to an amendment to the indenture governing the Company's outstanding 8.750% senior notes due 2016 (the "Notes") pursuant to the Company's Consent Solicitation Statement, dated as of June 30, 2010, that is being sent to holders of the Notes (the "Consent Solicitation Statement"). Pursuant to the Consent Solicitation, the Company is soliciting consents to amend the indenture relating to the Notes to provide the Company with needed flexibility to invest in minority equity investments in joint venture entities that are engaged in any business that is related, ancillary or complementary to the business of the Company, and to provide guarantees of the indebtedness of such entities. Capitalized terms not otherwise defined herein shall have the meanings assigned to such terms on the Consent Solicitation Statement.

The Consent Solicitation will expire at 5:00 p.m., New York City time, on July 14, 2010, unless extended (such date, as it may be extended, the "Expiration Date").

On the terms and subject to the conditions set forth in the Consent Solicitation Statement, if the Company receives the Requisite Consents, the other conditions specified in the Consent Solicitation Statement are satisfied or waived and the Indenture Supplements that contain the Proposed Amendments is executed and delivered, the Company will pay, promptly following the Expiration Date, to each Noteholder who has validly delivered (and has not validly revoked) a Consent on or prior to the Expiration Date, U.S.$2.50 for each U.S.$1,000 in principal amount of the Notes with respect to which a Consent has been delivered.

This press release is not a solicitation of Consents with respect to the Notes. The complete terms and conditions of the Consent Solicitation are set forth in the Consent Solicitation Statement.

Noteholders are urged to read the Consent Solicitation Statement and accompanying documents carefully. Copies of the Consent Solicitation Statement and related Consent Form may be obtained from Global Bondholder Services Corporation at (866) 873-6300 (toll free) or at (212) 430-3774 (call collect).

BofA Merrill Lynch is the Solicitation Agent for the Consent Solicitation. Questions regarding the Consent Solicitation may be directed to BofA Merrill Lynch at (888) 292-0070 (toll free) or (646) 855-3401 (call collect) Attn: Liability Management Group.

Pacific Rubiales, a Canadian-based company and producer of natural gas and heavy crude oil, owns 100 percent of Meta Petroleum Corp., a Colombian oil operator which operates the Rubiales and Piriri oil fields in the Llanos Basin in association with Ecopetrol S.A., the Colombian national oil company. The company is focused on identifying opportunities primarily within the eastern Llanos Basin of Colombia as well as in other areas in Colombia and northern Peru. Pacific Rubiales has a current net production of approximately 57,000 barrels of oil equivalent per day, with working interests in 35 blocks in Colombia and 3 blocks (135, 137 and 138) in Peru.

Cautionary Note Concerning Forward-Looking Statements

This press release contains forward-looking statements. All statements, other than statements of historical fact, that address activities, events or developments that the company believes, expects or anticipates will or may occur in the future (including, without limitation, statements regarding estimates and/or assumptions in respect of production, revenue, cash flow and costs, reserve and resource estimates, potential resources and reserves and the company's exploration and development plans and objectives) are forward-looking statements. These forward-looking statements reflect the current expectations or beliefs of the company based on information currently available to the company. Forward-looking statements are subject to a number of risks and uncertainties that may cause the actual results of the company to differ materially from those discussed in the forward-looking statements, and even if such actual results are realized or substantially realized, there can be no assurance that they will have the expected consequences to, or effects on the company. Factors that could cause actual results or events to differ materially from current expectations include, among other things: uncertainty of estimates of capital and operating costs, production estimates and estimated economic return; the possibility that actual circumstances will differ from the estimates and assumptions; failure to establish estimated resources or reserves; fluctuations in petroleum prices and currency exchange rates; inflation; changes in equity markets; political developments in Colombia or Peru; changes to regulations affecting the company's activities; uncertainties relating to the availability and costs of financing needed in the future; the uncertainties involved in interpreting drilling results and other geological data; and the other risks disclosed under the heading "Risk Factors" and elsewhere in the company's annual information form dated March 10, 2009 filed on SEDAR at www.sedar.com. Any forward-looking statement speaks only as of the date on which it is made and, except as may be required by applicable securities laws, the company disclaims any intent or obligation to update any forward-looking statement, whether as a result of new information, future events or results or otherwise. Although the company believes that the assumptions inherent in the forward-looking statements are reasonable, forward-looking statements are not guarantees of future performance and accordingly undue reliance should not be put on such statements due to the inherent uncertainty therein.

THE NOTES HAVE NOT BEEN REGISTERED, AND WILL NOT BE REGISTERED, UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT") OR ANY OTHER APPLICABLE SECURITIES LAWS, AND THE NOTES MAY NOT BE OFFERED WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS, EXCEPT (1) TO QUALIFIED INSTITUTIONAL BUYERS AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT ("QIBs"), (2) IN AN OFFSHORE TRANSACTION COMPLYING WITH RULE 903 OR RULE 904 OF REGULATION S UNDER THE SECURITIES ACT OR (3) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULES 144 UNDER THE SECURITIES ACT (IF AVAILABLE).

THE CONSENT SOLICITATION STATEMENT MAY NOT BE DELIVERED WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OR, U.S. PERSONS, EXCEPT TO (1) QIBs OR (2) DEALERS OR OTHER PROFESSIONAL FIDUCIARIES ORGANIZED, INCORPORATED OR (IF AN INDIVIDUAL) RESIDENT IN THE UNITED STATES HOLDING DISCRETIONARY ACCOUNTS OR SIMILAR ACCOUNTS (OTHER THAN AN ESTATE OR TRUST) FOR THE BENEFIT OR ACCOUNT OF NON-U.S. PERSONS.

THE CONSENT SOLICITATION IS NOT BEING MADE TO NOTEHOLDERS IN ANY JURISDICTION IN WHICH THE MAKING OF THE CONSENT SOLICITATION OR THE ACCEPTANCE OF THE CONSENTS WOULD NOT BE IN COMPLIANCE WITH THE LAWS OF SUCH JURISDICTION.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any offer or sale of these securities in any state in which such offer, solicitation or sale would be unlawful.