HOUSTON, March 9, 2012 /PRNewswire/ -- Harvest Natural Resources, Inc. (NYSE: HNR) will release its 2011 fourth quarter and year end operational and financial results before the market opens on Thursday, March 15, 2012. Harvest will hold a conference call at 10:00 a.m. Central Daylight Time on Thursday, March 15, 2012, during which management will discuss Harvest's 2011 fourth quarter and year end results. The conference leader will be James A. Edmiston, President and Chief Executive Officer. To access the conference call, dial 719-325-2207 or 888-523-1208, five to ten minutes prior to the start time. At that time you will be asked to provide the conference number, which is 8284460. A recording of the conference call will also be available for replay at 719-457-0820, passcode 8284460, until 3:00 p.m. CDT March 20, 2012. The conference call will also be transmitted over the internet through the Company's website at www.harvestnr.com. To listen to the live webcast, enter the web site fifteen minutes before the call to register, download and install any necessary audio software. For those who cannot listen to the live broadcast, a replay of the webcast will be available beginning shortly after the call and will remain on the web site for approximately 90 days. About Harvest Natural Resources Harvest Natural Resources, Inc., headquartered in Houston, Texas, is an independent energy company with principal operations in Venezuela, exploration assets in Indonesia, West Africa, China and Oman and business development offices in Singapore and the United Kingdom. For more information visit the Company's website at www.harvestnr.com. CONTACT: Stephen C. HaynesVice President, Chief Financial Officer(281) 899-5716 This press release may contain projections and other forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. They include estimates and timing of expected oil and gas production, oil and gas reserve projections of future oil pricing, future expenses, planned capital expenditures, anticipated cash flow and our business strategy. All statements other than statements of historical facts may constitute forward-looking statements. Although Harvest believes that the expectations reflected in such forward-looking statements are reasonable, it can give no assurance that such expectations will prove to have been correct. Actual results may differ materially from Harvest's expectations as a result of factors discussed in Harvest's 2010 Annual Report on Form 10-K and other public filings.