Offering by Maurel & Prom of OCEANE due July 31, 2015

PARIS, July 22, 2010 /PRNewswire-FirstCall/ --

- Full Exercise of the Over-Allotment: Amount of Issue Increased to Approximately EUR70 Million

The Lead Manager and Bookrunner for the issuance of bonds convertible into and/or exchangeable for new or existing shares (OCEANE) due July 31, 2015 (the "Bonds") launched by Maurel & Prom (the "Company") on July 8, 2010 has informed the Company that it is exercising in full the over-allotment option.

As a result, the aggregate principal amount will be increased to EUR70,000,012.40, i.e. 5,511,812 Bonds.

In addition, BNP Paribas as stabilizing agent in the offering has informed the Company that no stabilization activities were carried out during the stabilization period, which began July 8, 2010 following publication of the press release by the Company announcing the final terms of the Bonds, and which ended today.

The issue date and settlement and delivery date of the Bonds is expected to be July 28, 2010.

Application has been made to list the Bonds on the Euro MTF Market of the Luxembourg Stock Exchange. A prospectus has been submitted to the Luxembourg Stock Exchange for approval.

BNP PARIBAS is acting as sole Manager and Bookrunner of the transaction.

Maurel & Prom is listed on Euronext Paris - compartment A - CAC mid 100 Indice

Isin FR0000051070/ Bloomberg MAU.FP/ Reuters MAU.PA

Important notice

This press release is an advertisement and not a prospectus within the meaning of Directive 2003/71/EC of the European Parliament and the Council of November 4th, 2003 (as implemented in each member State of the European Economic Area (the "Member States"), the "Prospectus Directive"). No action is or will be taken in any member state of the European Economic Area to make an offer to the public of securities requiring the publication of a prospectus in any such member state.

This press release does not, and shall not, in any circumstances constitute a public offering by Maurel & Prom of Bonds nor an invitation to the public in connection with any offer. No action has been or will be taken in any country or jurisdiction that would permit a public offering of the Bonds, or the possession or distribution of this press release or any other offering or publicity material relating to the Bonds, in any country or jurisdiction where action for that purpose is required. The offering or subscription of the Bonds may be subject to specific legal or regulatory restrictions in certain jurisdictions. Maurel & Prom takes no responsibility for any violation of any such restrictions by any person.

The Bonds have been offered only to qualified investors within the meaning of the Prospectus Directive.

In relation to each Member State which has implemented the Prospectus Directive (each, a "Relevant Member State"), no action has been undertaken or will be undertaken to make an offer to the public of the Bonds requiring a publication of a prospectus in any Relevant Member State. As a result, the Bonds may only be offered in Relevant Member States: (a) to legal entities which are authorized or regulated to operate in the financial markets or, if not so authorized or regulated, whose corporate purpose is solely to invest in securities; (b) to any legal entity which has two or more of (1) an average of at least 250 employees during the last financial year; (2) a total balance sheet of more than EUR43,000,000 and (3) an annual net turnover of more than EUR50,000,000, as shown in its last annual or consolidated accounts; or (c) in any other circumstances falling within Article 3(2) of the Prospectus Directive.

The Bonds will not be offered or sold, and this press release or any other offering or publicity material relating to the Bonds may not be distributed, in the Republic of France, except to (i) providers of investment services relating to portfolio management for the account of third parties and/or (ii) qualified investors (investisseurs qualifies) acting for their own account, other than individuals, all as defined in, and in accordance with, articles L.411-1, L.411-2 and D.411-1 to D.411-3 of the French Code monetaire et financier and applicable regulations thereunder.

This press release is for distribution only to persons who (i) are outside the United Kingdom, (ii) have professional experience in matters relating to investments falling within Article 19(5) of the Financial Services and Markets Act 2000 (Financial promotion) Order 2005, (iii) are "high net worth entities" and other persons, to whom this press release may be legally distributed within the meaning of Article 49(2) (a) to (d) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005, or (iv) are any other person to whom this press release may be communicated under applicable law (all such persons together being referred to as "Qualified Persons"). The Bonds are intended only for Qualified Persons, and no invitation, offer or agreements to subscribe, purchase or otherwise acquire such Bonds may be proposed or concluded other than with Qualified Persons. Any person other than a Qualified Person may not act or rely on this press release or any provision thereof.

This press release does not constitute an offer to sell or a solicitation of an offer to purchase any securities in the United States. The securities referred to herein have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the "Securities Act") or the laws of any state within the United States, and may not be offered or sold in the United States except in a transaction not subject to, or pursuant to an applicable exemption from, the registration requirements of the Securities Act or any state securities laws. This press release and the information contained herein may not be distributed or sent into the United States. No offering of the Bonds is being made in the United States.

This press release contains forward-looking statements based on estimates and assumptions. Forward-looking statements include, among other things, statements concerning the business, future financial condition and prospects of the Issuer. For each of these statements, you should be aware that forward-looking statements involve known and unknown risks and uncertainties. Although it is believed that the expectations reflected in these forward-looking statements are reasonable, there is no assurance that the actual results or developments anticipated will be realized or, even if realized, that they will have the expected effects on the business, financial condition or prospects of the Issuer. These forward-looking statements speak only as of the date on which the statements were made, and no obligation has been undertaken to publicly update or revise any such forward-looking statements except as required by applicable laws and regulations.

    For more information, see http://www.maureletprom.com

    Contact:

    INFLUENCES

    Clementine Dourne
    t: +33-1-42-72-46-76
    e: [email protected]

    Catherine Durand-Meddahi
    t : +33-1-42-72-46-76
    e : [email protected]

SOURCE Maurel & Prom