SIDLEY AUSTIN BROWN & WOOD LLP BEIJING 787 SEVENTH AVENUE LOS ANGELES NEW YORK, NEW YORK 10019 BRUSSELS TELEPHONE 212 839 5300 NEW YORK FACSIMILE 212 839 5599 CHICAGO www.sidley.com SAN FRANCISCO FOUNDED 1866 DALLAS SHANGHAI GENEVA SINGAPORE HONG KONG TOKYO LONDON WASHINGTON, D.C. Exhibit 8.01 [Form of Tax Opinion] October 11, 2005 Man Investments (USA) Corp. 123 North Wacker Drive 28th Floor Chicago, Illinois 60606 Re: Man-AHL 130, LLC Amendment No. 1 to the Registration Statement on Form S-1 Dear Sir or Madame: We have acted as your counsel in connection with the preparation and filing with the Securities and Exchange Commission (the "SEC") under the Securities Act of 1933, as amended, of the Amendment No. 1 to the Registration Statement on Form S-1, to be filed with the SEC on or about October 11, 2005 (the "Registration Statement"), of Man-AHL 130, LLC (the "Fund"), a limited liability company formed under the Delaware Limited Liability Company Act. We have reviewed such data, documents, questions of law and fact and other matters as we have deemed pertinent for the purpose of this opinion. Based upon the foregoing, we hereby confirm our opinions set forth under the caption "Tax Consequences" in the Prospectus constituting a part of the Registration Statement that the Fund will be treated as a partnership for federal income tax purposes and not as an association taxable as a corporation or as a "publicly-traded partnership" and that the summary of the tax consequences to an individual United States taxpayer who invests in the Fund correctly describes (subject to the uncertainties referred to therein) the material aspects of the United States federal income tax treatment to a United States individual taxpayer, as of the date hereof, of an investment in the Fund. Our opinion represents our best legal judgment with respect to the proper federal income tax treatment of the Fund and United States individual taxpayers investing in the Fund, SIDLEY AUSTIN BROWN & WOOD LLP NEW YORK Man Investments (USA) Corp. October 11, 2005 Page 2 based on the materials reviewed. Our opinion assumes the accuracy of the facts as represented in documents reviewed or as described to us and could be affected if any of the facts as so represented or described are inaccurate. We hereby consent to the filing of this opinion as an Exhibit to the Registration Statement and to all references to our firm included in or made a part of the Registration Statement. Very truly yours, ----------------------------------------