Omega Navigation Enterprises, Inc. Approves a Shareholder Rights Plan

ATHENS, GREECE--(Marketwire - February 22, 2008) - Omega Navigation Enterprises, Inc. (NASDAQ: ONAV) (SGX: ONAV50) announced today that its Board of Directors has approved a shareholder rights plan designed to enable the Company to protect shareholder interests in the event an unsolicited attempt is made for a business combination with or takeover of the Company. The Company believes the shareholder rights plan will enhance the Board's negotiating power on behalf of shareholders in the event of an unsolicited business combination or takeover attempt. The Company is not aware of any such offers or proposals at this time and is adopting the plan as a matter of prudent corporate governance.

The terms of the shareholder rights plan are set forth in a filing that the Company has made with the Securities and Exchange Commission today. Rights under the plan are expected to be issued to shareholders of record as of the close of business on March 7, 2008.

About Omega Navigation Enterprises, Inc.

Omega Navigation Enterprises, Inc. is an international provider of global marine transportation services through the ownership and operation of eight double hull product tankers. The current fleet includes eight double hull product tankers with a carrying capacity of 512,358 dwt. These eight product tankers are chartered out under three-year period time charters. Furthermore, the company recently announced the signing of shipbuilding contracts to construct and acquire five newbuilding double hull Handymax product tankers each with a capacity of 37,000 dwt scheduled for delivery between March 2010 and early in 2011. With the addition of these five vessels, the Omega fleet will expand to 13 product tankers with a total deadweight capacity of 697,358 tons.

The Company was incorporated in the Marshall Islands in February 2005. Its principal executive offices are located in Piraeus, Greece and it also maintains an office in the United States.

Omega Navigation's Class A common shares are traded on the NASDAQ National Market under the symbol "ONAV" and are also listed on the Singapore Exchange Securities Trading Limited under the symbol "ONAV 50."

Cautionary Statement Regarding Forward-Looking Statements

Matters discussed in this press release may constitute forward-looking statements. The Private Securities Litigation Reform Act of 1995 provides safe harbor protections for forward-looking statements in order to encourage companies to provide prospective information about their business. Forward-looking statements include statements concerning plans, objectives, goals, strategies, future events or performance, and underlying assumptions and other statements, which are other than statements of historical facts.

The Company desires to take advantage of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and is including this cautionary statement in connection with this safe harbor legislation. The words "believe," "except," "anticipate," "intends," "estimate," "forecast," "project," "plan," "potential," "will," "may," "should," "expect" pending and similar expressions identify forward-looking statements.

The forward-looking statements in this press release are based upon various assumptions, many of which are based, in turn, upon further assumptions, including without limitation, the Company's management's examination of historical operating trends, data contained in the Company's records and other data available from third parties. Although the Company believes that these assumptions were reasonable when made, because these assumptions are inherently subject to significant uncertainties and contingencies which are difficult or impossible to predict and are beyond the Company's control, the Company cannot assure you that the Company will achieve or accomplish these expectations, beliefs or projections.

In addition to these important factors other important factors that, in the Company's view, could cause actual results to differ materially from those discussed in the forward-looking statements include the strength of world economies and currencies, general market conditions, including fluctuations in charter rates and vessel values, changes in demand for product tanker and dry bulk shipping capacity, changes in the Company's operating expenses, including bunker prices, drydocking and insurance costs, the market for the Company's vessels, availability of financing and refinancing, changes in governmental rules and regulations or actions taken by regulatory authorities, potential liability from pending or future litigation, general domestic and international political conditions, potential disruption of shipping routes due to accidents or political events, vessels breakdowns and instances of off-hires and other factors. Please see the Company's filings with the Securities and Exchange Commission for a more complete discussion of these and other risks and uncertainties.

Contact Information: Contacts: Company Contact: Gregory A. McGrath Chief Financial Officer Omega Navigation Enterprises, Inc. PO Box 272 Convent Station, NJ 07961 Tel. (551) 580-0532 E-mail: gmcgrath@omeganavigation.com www.omeganavigation.com Investor Relations / Financial Media: Nicolas Bornozis President Capital Link, Inc. 230 Park Avenue, Suite 1536 New York, NY 10169 Tel. (212) 661-7566 E-mail: nbornozis@capitallink.com www.capitallink.com