ERHC Energy to Present at Upcoming RedChip Small-Cap Investor Conference

HOUSTON, TX--(Marketwire - May 15, 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, today announced that its senior executives will be presenting at the RedChip Small-Cap Investor Conference at the Palace Hotel in San Francisco, Calif.

ERHC Energy's principal presenter will be Peter Ntephe, Chief Operating Officer and Acting President and Chief Executive Officer. David Bovell, Vice President Corporate Development, will also be in attendance to meet personally with investors. ERHC's presentation is scheduled for Thursday June 5, 2008.

The two-day conference will be the first opportunity for ERHC Energy Inc.'s new management team to present the Company to a broad range of investment professionals as a group and in one-on-one meetings. ERHC intends to make such presentations quarterly.

"For several months, we have been spreading the word about ERHC Energy's 'deep opportunity,' and we are very pleased to take our message to the wide audience that this conference provides," said Ntephe. "We are especially eager to present the results of our work toward exploratory drilling in the Joint Development Zone and our exciting plans for corporate growth."

RedChip investor conferences are nationally known forums for emerging small-cap companies to present their stories before hundreds of investment bankers, fund managers, institutional and accredited investors, and research analysts. RedChip discovered such well-known companies as Nike, Starbucks and MarketWatch while they were still relatively unknown to investors.

Investors are invited to listen to the live audio feed of the presentation at www.redchip.com.

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