CUSIP No. 41754V103 Page 13 of 13 pages

EXHIBIT A
JOINT REPORTING AGREEMENT

This will confirm the agreement by and among the undersigned that the Schedule 13G/A filed on or about this date with respect to the beneficial ownership of the undersigned of shares of Common Stock of Harvest Natural Resources, Inc. is being filed on behalf of each of the parties named below.

Dated: February 12, 2010

THE PABRAI INVESTMENT FUND II, L.P.
	By:	Dalal Street, LLC, Its General Partner

By:	/s/ Mohnish Pabrai
	Mohnish Pabrai, Chief Executive Officer

PABRAI INVESTMENT FUND 3, LTD.
	By:	/s/ Mohnish Pabrai
		Mohnish Pabrai, President
THE PABRAI INVESTMENT FUND IV, L.P.
	By:	Dalal Street, LLC, Its General Partner

By:	/s/ Mohnish Pabrai
	Mohnish Pabrai, Chief Executive Officer

DALAL STREET, LLC
	By:	/s/ Mohnish Pabrai
		Mohnish Pabrai, Chief Executive Officer

/s/ Harina Kapoor  

Harina Kapoor 

/s/ Mohnish Pabrai  

Mohnish Pabrai