ERHC Energy to Present at Premier Sub Saharan Africa Oil and Gas Conference in Houston

HOUSTON, TX--(Marketwire - June 11, 2008) - ERHC Energy Inc. (OTCBB: ERHE) today announced that Vice President Technical, James Ledbetter, will be a featured speaker at the Premier Sub Saharan Africa Oil and Gas Conference at the Intercontinental Hotel in Houston. ERHC is a publicly traded American company with valuable oil and gas assets in the highly prospective Gulf of Guinea off the coast of central West Africa.

The announcement comes as ERHC's management met with investors at the Growth Company Investors Conference in London. Chief Operations Officer Peter Ntephe described the Company's plans to list a subsidiary on the Alternative Investments Market (AIM) of the London Stock Exchange, its oil and gas interests in the Gulf of Guinea and progress being made toward exploratory drilling.

In Houston, Mr. Ledbetter's keynote address, "Challenges for a Small Company in the Deep Water of the Gulf of Guinea," is scheduled for 9:50 a.m., Tuesday June 17th. The Premier Sub Saharan Africa Oil and Gas Conference is expected to attract senior energy policymakers from governments, investors and investment bankers, risk managers and local content advisers.

Mr. Ledbetter is guiding ERHC Energy's technical activities in the Gulf of Guinea as the Company prepares for the start of exploratory drilling. ERHC has interests in six of the nine Joint Development Zone (JDZ) Blocks between Nigeria and the Democratic Republic of São Tome & Principe. Operators of two of the JDZ Blocks have indicated that drill could begin before the end of 2008. The Company also holds preferential rights in the São Tome & Principe Exclusive Economic Zone.

The theme of the three-day conference is "Investment opportunities, partnership challenges in the oil and gas industries in Sub Saharan Africa and outcomes of local content policy." The conference will present investment opportunities in the Sub-Saharan oil and gas exploration and production industry as well as best practices for creating innovative partnerships between foreign investors and local operators.

Countries of focus during the conference include Angola, Cameroon, Chad, Congo, Cote D'Ivoire, Equatorial Guinea, Gabon, Ghana, Guinea-Bissau, Mali, Mauritania, Nigeria, São Tome & Principe and Senegal.

About ERHC Energy

ERHC Energy Inc. is a publicly traded American company with valuable oil and gas assets in the in the highly prospective Gulf of Guinea. ERHC is committed to creating and delivering significant value for its shareholders, investors, and employees; sustainable and profitable growth through risk balanced smart exploration, cost efficient development and high margin production. For more information, visit www.erhc.com.

This press release contains statements concerning ERHC Energy Inc.'s future operating milestones, future drilling operations, the planned exploration and appraisal program, future prospects, future investment opportunities and financing plans, future shareholders' meetings, response to the Senate Subcommittee investigation, developments in the SEC investigation of the Company and related proceedings, as well as other matters that are not historical facts or information. Such statements are inherently subject to a variety of risks, assumptions and uncertainties that could cause actual results to differ materially from those anticipated, projected, expressed or implied. A discussion of the risk factors that could impact these areas and the Company's overall business and financial performance can be found in the Company's reports and other filings with the Securities and Exchange Commission. These factors include, among others, those relating to the Company's ability to exploit its commercial interests in the JDZ and the exclusive territorial waters of São Tomé and Príncipe, general economic and business conditions, changes in foreign and domestic oil and gas exploration and production activity, competition, changes in foreign, political, social and economic conditions, regulatory initiatives and compliance with governmental regulations and various other matters, many of which are beyond the Company's control. Given these concerns, investors and analysts should not place undue reliance on these statements. Each of the above statements speaks only as of the date of this press release. The Company expressly disclaims any obligation or undertaking to release publicly any updates or revisions to any forward-looking statement to reflect any change in the Company's expectations with regard thereto or any change in events, conditions or circumstances on which any of the above statements is based.

Contact Information: Contact: Dan Keeney, APR DPK Public Relations 832-467-2904