NTR Acquisition Co. Contracts & Agreements

CANCELLATIONAND RELEASE AGREEMENT (Filed With SEC on January 28, 2009)

TERMINATION AGREEMENT AND MUTUAL RELEASE (Filed With SEC on April 4, 2008)

CERTIFICATE OF DESIGNATIONS, PREFERENCES AND RIGHTS OF SERIES A SENIOR CONVERTIBLE PREFERRED STOCK OF NTR ACQUISITION CO. (Filed With SEC on November 5, 2007)

NTR ACQUISITION CO. PROMISSORY NOTE (Filed With SEC on November 5, 2007)

STOCK PURCHASE AGREEMENT BETWEEN CASEY CO. AND NTR ACQUISITION CO. DATED AS OF NOVEMBER 2, 2007 (Filed With SEC on November 5, 2007)

SERIES A SENIOR CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENT By and between NTR ACQUISITION CO. and OCCIDENTAL PETROLEUM INVESTMENT CO SERIES A SENIOR CONVERTIBLE PREFERRED... (Filed With SEC on November 5, 2007)

FORM OF SHAREHOLDERS RIGHTS AGREEMENT By and between NTR ACQUISITION CO., NTR PARTNERS LLC and OCCIDENTAL PETROLEUM INVESTMENT CO. Dated _________________ Table of Contents (Filed With SEC on November 5, 2007)

FORM OF REGISTRATION RIGHTS AGREEMENT dated as of __________________, 2007 among NTR ACQUISITION CO. and OCCIDENTAL PETROLEUM INVESTMENT CO. TABLE OF CONTENTS (Filed With SEC on November 5, 2007)

[FORM OF UNDERWRITING AGREEMENT] NTR Acquisition Co. (Filed With SEC on January 26, 2007)

NTR ACQUISITION CO. Incorporated under the Laws of the State of Delaware (Filed With SEC on January 26, 2007)

[FORM OF AMENDED AND RESTATED WARRANT AGREEMENT] NTR ACQUISITION CO. (Filed With SEC on January 26, 2007)

[Form of Letter Agreement for NTR Partners LLC, Altamira Ventures I LP, Hendricks Family LLLP, Gilliam Enterprises LLC, and Sewanee Partners III, L.P.] (Filed With SEC on January 26, 2007)

[Form of Letter Agreement for (Filed With SEC on January 26, 2007)

[FORM OF REGISTRATION RIGHTS AGREEMENT] REGISTRATION RIGHTS AGREEMENT (Filed With SEC on January 26, 2007)

[FORM OF INDEMNIFICATION AGREEMENT] INDEMNIFICATION AGREEMENT (Filed With SEC on January 26, 2007)

[FORM OF INVESTMENT MANAGEMENT TRUST AGREEMENT] INVESTMENT MANAGEMENT TRUST AGREEMENT (Filed With SEC on January 26, 2007)

[FORM OF ADDITIONAL FOUNDERS WARRANTS PURCHASE AGREEMENT] (Filed With SEC on January 26, 2007)

[SPECIMEN UNIT CERTIFICATE] (Filed With SEC on October 2, 2006)

[SPECIMEN COMMON STOCK CERTIFICATE] (Filed With SEC on October 2, 2006)

[FORM OF WARRANT AGREEMENT] NTR ACQUISITION CO. and AMERICAN STOCK TRANSFER & TRUST COMPANY, as Warrant Agent _______________________________ AMENDED AND RESTATED WARRANT... (Filed With SEC on October 2, 2006)

[Form of Founders Warrant Certificate] [Face] (Filed With SEC on October 2, 2006)

[Form of Performance Warrant Certificate] [Face] (Filed With SEC on October 2, 2006)

[Form of Private Placement Warrant Certificate] [Face] (Filed With SEC on October 2, 2006)

[Form of Warrant Certificate for Public Warrants] [Face] (Filed With SEC on October 2, 2006)

[Form of Letter Agreement for NTR Partners LLC] (Filed With SEC on October 2, 2006)

[Form of Letter Agreement for NTR Investors LLC] (Filed With SEC on October 2, 2006)

[Form of Letter Agreement for Directors and Officers of NTR Acquisition Co.] (Filed With SEC on October 2, 2006)

NTR ACQUISITION CO. and AMERICAN STOCK TRANSFER & TRUST COMPANY, as Warrant Agent _______________________________ WARRANT AGREEMENT Dated as of June 20, 2006 WARRANT AGREEMENT... (Filed With SEC on June 28, 2006)

NTR ACQUISITION CO. INITIAL FOUNDERS SECURITIES PURCHASE AGREEMENT (Filed With SEC on June 28, 2006)

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NTR Acquisition Co. Contracts & Agreements