Chevron Corporation announced today that it would begin purchases of its common stock in the fourth quarter 2010 under an ongoing share repurchase program approved by the Board of Directors and communicated previously.

Yesterday, Chevron Corp. (NYSE: CVX) submitted expert testimony from leading scientists to the Provincial Court of Sucumbíos in Lago Agrio, Ecuador demonstrating that there is no evidentiary basis for the lawsuit against the company.

SAN RAMON, Calif., Aug. 6, 2010 – Chevron Corporation has today filed a petition before the Provincial Court of Sucumbíos in Lago Agrio, Ecuador seeking dismissal of the lawsuit pending against it there.

Chevron Corp. (NYSE: CVX) has uncovered new evidence that Ecuadorian court appointee Richard Cabrera, the so-called "independent expert" claiming that Chevron should pay $27 billion in damages, has had ongoing and surreptitious contacts with plaintiffs' representatives and that a substantial portion of Cabrera's court-ordered analysis is based on materials that could only have been provided by the plaintiffs' representatives outside of the court proceeding.

Lawyers for the plaintiffs suing Chevron Corp. (NYSE: CVX) submitted fraudulent reports to an Ecuadorian court claiming dangerous contamination was found at Amazon oil well sites, the original technical expert for the plaintiffs revealed in sworn testimony last week.

An international arbitration tribunal has ruled in favor of Chevron in a claim against Ecuador related to past oil operations by Chevron's subsidiary, Texaco Petroleum Company.

In a court filing today in Lago Agrio, Ecuador, Chevron Corp. (NYSE:CVX) provided newly discovered information showing that the author of a report recommending that Chevron be ordered to pay $27 billion in damages is the majority owner of an oilfield remediation company that stands to gain financially from a judgment against Chevron.

Chevron Corp. (NYSE:CVX) has filed an international arbitration claim against the government of Ecuador citing violations of the country's obligations under the United States-Ecuador Bilateral Investment Treaty, investment agreements, and international law.

Lawyers for Chevron Corp. (NYSE: CVX) have filed a motion with the Provincial Court of Sucumbios in Ecuador to annul all rulings made by the judge who last week stepped down from presiding over an environmental lawsuit against the company in Lago Agrio.

Lawyers for Chevron Corporation provided evidence to Ecuador authorities today, including video recordings and emails, to assist with the investigation of a $3 million bribe scheme associated with an environmental lawsuit against the company.

Chevron Corporation (NYSE: CVX) issued the following media statement by Hewitt Pate, vice president and general counsel, in response to news Judge Juan Núñez has recused himself from the Lago Agrio proceedings in Ecuador

The following is a statement by Charles James, executive vice president, Chevron Corp. (NYSE: CVX), regarding the response by the government of Ecuador to evidence filed Monday regarding judicial misconduct by the judge in a lawsuit involving the company in that country and evidence of an apparent bribe scheme associated with the case: