On October 28, 2010, the [National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling] released results of cement testing Chevron recently conducted on behalf of the Commission utilizing [a] Chevron cement testing facility...In addition, on October 28, 2010, the Deputy Chief Counsel of the Commission sent a letter to the commissioners of the National Commission that describes the results of nine tests on Halliburton’s cement design...performed...by Chevron and describes certain testing performed by Halliburton...Halliburton has only recently received and is continuing to review the results, which it believes raises a number of questions. Halliburton is issuing this press release to provide information about the content and its preliminary views regarding Chevron’s cement testing report and the letter. Halliburton believes that significant differences between its internal cement tests and the Commission’s test results may be due to differences in the cement materials tested. [also refers to BP]