ERHC Energy to Present at Growth Company Investor Show in London

HOUSTON, TX--(Marketwire - June 2, 2008) - ERHC Energy Inc. (OTCBB: ERHE), 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, has announced plans to present at the Growth Company Investor Show at Barbican Exhibition Centre in London. ERHC's presentation is scheduled June 11, 2008.

ERHC Energy's Chief Operating Officer and Acting President and Chief Executive Officer, Peter Ntephe, will describe the Company's assets, its near-term opportunities and its growth strategy. ERHC Energy has announced its intention to list a subsidiary on the Alternative Investment Market of the London Stock Exchange.

"Our participation in the Growth Company Investor Show in London will help to build visibility and spread the word about ERHC Energy's 'deep opportunity,' as we push forward aggressively with an initiative to accelerate growth by duplicating what we have been able to accomplish in the Gulf of Guinea," said Ntephe.

Additionally, ERHC's presentation at the RedChip Small-Cap Investor Conference is scheduled for 1:20 p.m. Pacific Time (3:20 p.m. Central Time) on Thursday, June 5, 2008. The presentation will be available online at the following link: http://www.redchip.com/visibility/conferencePages/SanFran2008/conferenceMain.asp?page=webcast.

The Growth Company Investor Show is the leading investment exhibition in the U.K., bringing Britain's fastest-growing companies together with the leading fund managers, institutional investors, corporate financiers, high-net-worth individuals and industry deal-makers.

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