X0306 4 2015-09-30 1 0001092839 DUNE ENERGY INC DUNR 0001427430 BlueMountain Capital Management, LLC 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 0001540859 BlueMountain GP Holdings, LLC 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 0001540861 Blue Mountain CA Master Fund GP, Ltd. 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 0001540860 Blue Mountain Credit Alternatives Master Fund L.P. 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 0001541090 BlueMountain Distressed GP, LLC 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 0001540862 BlueMountain Distressed Master Fund L.P. 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 0001541088 BlueMountain Long/Short Credit GP, LLC 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 0001598919 BlueMountain Guadalupe Peak Fund L.P. 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 0001564703 BlueMountain Credit Opportunities GP I, LLC 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 0001564705 BlueMountain Credit Opportunities Master Fund I L.P. 280 PARK AVENUE, 12TH FLOOR NEW YORK NY 10017 0 0 1 0 Common Stock 2015-09-30 4 J 0 15088416 0.00 D 0 I Footnotes Common Stock 2015-09-30 4 J 0 9166258 0.00 D 0 I Footnotes Common Stock 2015-09-30 4 J 0 3486242 0.00 D 0 I Footnotes Common Stock 2015-09-30 4 J 0 3486242 0.00 D 0 D Common Stock 2015-09-30 4 J 0 3006362 0.00 D 0 I Footnotes Common Stock 2015-09-30 4 J 0 3006362 0.00 D 0 D Common Stock 2015-09-30 4 J 0 799572 0.00 D 0 I Footnotes Common Stock 2015-09-30 4 J 0 799572 0.00 D 0 D Common Stock 2015-09-30 4 J 0 1401134 0.00 D 0 I Footnotes Common Stock 2015-09-30 4 J 0 1401134 0.00 D 0 D Common Stock 2015-09-30 4 J 0 8695 0.00 D 0 I Footnotes Common Stock 2015-09-30 4 J 0 8695 0.00 D 0 D Common Stock 2015-09-30 4 J 0 464253 0.00 D 0 I Footnotes Common Stock 2015-09-30 4 J 0 464253 0.00 D 0 D Common Stock 2015-09-30 4 J 0 3076102 0.00 D 0 D Common Stock 2015-09-30 4 J 0 2846056 0.00 D 0 I Footnotes Common Stock 2015-09-30 4 J 0 2846056 0.00 D 0 D The filing of this Form 4 shall not be construed as an admission that any of BlueMountain Capital Management, LLC ("BMCM"), GP Holdings (as defined in Footnote 5) or the General Partners (as defined in Footnote 5) is or was for the purposes of Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise the beneficial owner of any of the shares of Common Stock, par value $0.001 per share (the "Common Stock"), of Dune Energy, Inc. (the "Issuer"). Pursuant to Rule 16a-1(a)(4) of the Exchange Act, each of BMCM, GP Holdings and the General Partners disclaims such beneficial ownership, except to the extent of its respective pecuniary interest. BMCM is the investment manager of each of: (i) Blue Mountain Credit Alternatives Master Fund L.P. ("BMCA"), which prior to the cancellation of the Common Stock was a beneficial owner thereof; (ii) BlueMountain Distressed Master Fund L.P. ("BMD"), which prior to the cancellation of the Common Stock was a beneficial owner thereof; (iii) BlueMountain Guadalupe Peak Fund L.P. ("BMGP"), which prior to the cancellation of the Common Stock was a beneficial owner thereof; (iv) BlueMountain Credit Opportunities Master Fund I L.P. ("BMCO"), which prior to the cancellation of the Common Stock was a beneficial owner thereof; (v) BlueMountain Kicking Horse Fund L.P. ("BMKH"), which prior to the cancellation of the Common Stock was a beneficial owner thereof; (vi) BlueMountain Strategic Credit Master Fund L.P. ("BMSC" and, together with BMCA, BMD, BMGP, BMCO and BMKH, the "Partnerships"), which prior to the cancellation of the Common Stock was a beneficial owner thereof; (vii) BlueMountain Timberline Ltd. ("BMT"),which prior to the cancellation of the Common Stock was a beneficial owner thereof; and (viii) BlueMountain Montenvers Fund SCA SICAV-SIF ("BMM" and, together with the Partnerships and BMT, the "Funds"), which prior to the cancellation of the Common Stock was a beneficial owner thereof. BMCM, although it directed the voting and disposition of the Common Stock held by the Funds, only received an asset-based fee relating to the Common Stock held by the Funds. (i) Blue Mountain CA Master Fund GP, Ltd. ("BMCA GP") is the general partner of BMCA and had an indirect profits interest in the Common Stock beneficially owned by it; (ii) BlueMountain Distressed GP, LLC ("BMD GP") is the general partner of BMD and had an indirect profits interest in the Common Stock beneficially owned by it; (iii) BlueMountain Long/Short Credit GP, LLC ("BMGP GP") is the general partner of BMGP and had an indirect profits interest in the Common Stock beneficially owned by it; (iv) BlueMountain Credit Opportunities GP I, LLC ("BMCO GP") is the general partner of BMCO and had an indirect profits interest in the Common Stock beneficially owned by it; (v) BlueMountain Kicking Horse Fund GP, LLC ("BMKH GP") is the general partner of BMKH and had an indirect profits interest in the Common Stock beneficially owned by it; (vi) BlueMountain Strategic Credit GP, LLC ("BMSC GP" and, together with BMCA GP, BMD GP, BMGP GP, BMCO GP and BMKH GP, the "General Partners") is the general partner of BMSC and had an indirect profits interest in the Common Stock beneficially owned by it; and (vii) BlueMountain Montenvers GP S.a r.l. ("BMM GP") is the general partner of BMM and had an indirect profits interest in the Common Stock beneficially owned by it. BlueMountain GP Holdings, LLC ("GP Holdings") is the sole owner of each of the General Partners and thus had an indirect profits interest in the Common Stock beneficially owned by the Partnerships. BMCM is the sole owner of BMM GP and thus had an indirect profits interest in the Common Stock beneficially owned by BMM. As disclosed on the Issuer's Form 8-K filed on October 1, 2015, on September 30, 2015, the effective date of the Chapter 11 Plan of the Issuer and its subsidiaries dated September 18, 2015, all shares of Common Stock were cancelled without further act. The Reporting Persons are jointly filing this Form 4 pursuant to Rule 16(a)-3(j) under the Exchange Act. The Form 4 for certain additional Reporting Persons is being filed separately and simultaneously with this Form 4 due to the limitation of ten Reporting Persons per filing. BlueMountain Capital Management, LLC, By: /s/ Eric M. Albert, Chief Compliance Officer 2015-12-03 BlueMountain GP Holdings, LLC, By: /s/ Eric M. Albert, Chief Compliance Officer 2015-12-03 Blue Mountain CA Master Fund GP, Ltd., By: /s/ Andrew Feldstein, Director 2015-12-03 Blue Mountain Credit Alternatives Master Fund L.P., By: BlueMountain CA Master Fund GP, Ltd., By: /s/ Andrew Feldstein, Director 2015-12-03 BlueMountain Distressed GP, LLC, By: BlueMountain GP Holdings, LLC, By: /s/ Eric M. Albert, Chief Compliance Officer 2015-12-03 BlueMountain Distressed Master Fund L.P., By: BlueMountain Distressed GP, LLC, By: BlueMountain GP Holdings, LLC, By: /s/ Eric M. Albert, Chief Compliance Officer 2015-12-03 BlueMountain Long/Short Credit GP, LLC, By: BlueMountain GP Holdings, LLC, By: /s/ Eric M. Albert, Chief Compliance Officer 2015-12-03 BlueMountain Guadalupe Peak Fund L.P., By: BlueMountain Long/Short Credit GP, LLC, By: BlueMountain GP Holdings, LLC, By: /s/ Eric M. Albert, Chief Compliance Officer 2015-12-03 BlueMountain Credit Opportunities GP I, LLC, By: BlueMountain GP Holdings, LLC, By: /s/ Eric M. Albert, Chief Compliance Officer 2015-12-03 BlueMountain Credit Opportunities Master Fund I L.P., By: BlueMountain Credit Opportunities GP I, LLC, By: BlueMountain GP Holdings, LLC, By: /s/ Eric M. Albert, Chief Compliance Officer 2015-12-03