ERHC Energy Inc. Announces Extension of Exploration Phase I in Joint Development Zone Block 2 HOUSTON, TX--(Marketwire - May 19, 2011) - ERHC Energy Inc. (OTCBB: ERHE), a publicly traded American company with oil and gas assets in the highly prospective Gulf of Guinea off the coast of West...

ERHC Energy Inc. Responds to Announcement of Planned Acquisition of Addax Petroleum by Sinopec Corp. HOUSTON, TX--(Marketwire - June 24, 2009) - ERHC Energy Inc. (OTCBB: ERHE), a publicly traded American company with oil and gas assets in the highly prospective Gulf of Guinea off the coast of West...

ERHC Energy Inc. Announces Significant Progress Toward Drilling in Joint Development Zone HOUSTON, TX--(Marketwire - March 11, 2009) - ERHC Energy Inc. (OTCBB: ERHE), a publicly traded American company with oil and gas assets in the highly prospective Gulf of Guinea off the coast of West...