On 05/13/2013, Harvest Natural Resources Inc. announced that they will be unable to file their next 10-Q by the deadline required by the SEC.

Harvest Natural Resources Inc. reported unaudited consolidated earnings results for the fourth quarter and year ended December 31, 2012. For the quarter, the company reported net loss attributable to the company of $23.1 million, or $0.59 per diluted share, compared with a net loss attributable to the company of $44.3 million, or $1.30 per diluted share, for the 2011 fourth quarter. The fourth quarter results include exploration charges of $3.6 million, or $0.09 per diluted share, impairment expense relating to Oman and China blocks of $9.3 million, or $0.24 per diluted share, unrealized gain on warrant derivatives of $0.4 million, or $0.01 per diluted share, debt conversion expense of $0.3 million, or $0.01 per diluted share and a loss on extinguishment of debt of $5.4 million, or $0.14 per diluted share. Loss from operations was $22.638 million against $61.119 million a year ago. Loss from consolidated companies continuing operations before income taxes was $29.471 million against $61.070 million a year ago. Loss from consolidated companies continuing operations was $29.381 million against $61.194 million a year ago. Net loss from continuing operations was $21.636 million or $0.59 per diluted share against net loss from continuing operations of $42.959 million or $1.36 per diluted share a year ago. For the year, the company reported net loss attributable to the company of $12.2 million, or $0.33 per diluted share, compared to net income attributable to the company of $56.0 million, or $1.64 per diluted share, for 2011. The current year results also included an unrealized loss on warrant derivatives of $0.6 million, or $0.02 per diluted share, debt conversion expense of $3.6 million, or $0.10 per diluted share, loss on extinguishment of debt of $5.4 million, or $0.14 per diluted share, and other non-operating expenses relating to the company's strategic alternatives of $2.9 million, or $0.08 per diluted share. Loss from operations was $22.638 million against $61.119 million a year ago. Loss from consolidated companies continuing operations before income taxes was $29.471 million against $61.070 million a year ago. Loss from consolidated companies continuing operations was $29.381 million or $0.59 per diluted share against loss from consolidated companies continuing operations of $61.194 million or $1.30 per diluted share a year ago. Loss from operations was $51.517 million against $88.512 million a year ago. Loss from consolidated companies continuing operations before income taxes was $65.467 million against $99.873 million a year ago. Loss from consolidated companies continuing operations was $64.858 million or $0.28 per diluted share against $100.930 million or $1.22 per diluted share a year ago. Net income from continuing operations was $2.911 million against net loss from continuing operations of $27.479 million a year ago. Net cash used in operating activities was $26.405 million against $55.243 million a year ago. Additions of property and equipment was $23.575 million against $72.180 million a year ago. For the fourth quarter ended December 31, 2012, the company reported impairment expense of $9.312 million against $3.335 million a year ago.

Harvest Natural Resources Inc. filed its 10-K on May 02, 2013 for the period ending Dec 31, 2012. In this report its auditor, PricewaterhouseCoopers LLP, gave an unqualified opinion expressing doubt that the company can continue as a going concern.