MECHANICAL TECHNOLOGY INC | Business Contracts

Form of Subscription Agreement (Filed With SEC on April 29, 2022)

Amendment No. 5 to Lease Agreement Between MTI Instruments Inc. and CETF Properties, LLC dated June 30, 2021 (Filed With SEC on March 31, 2022)

Description of Securities (Filed With SEC on March 31, 2022)

Form of Restricted Stock Agreement under the Amended and Restated Soluna Holdings, Inc., formerly known as Mechanical Technology, Incorporated, 2021 Stock Incentive Plan (Filed With SEC on March 31, 2022)

Placement Agency Agreement by and between the Company and the Placement Agent (Filed With SEC on October 25, 2021)

Agreement and Plan of Merger dated as of August 11, 2021, by and among Mechanical Technology, Incorporated, SCI Merger Sub, Inc., and Soluna Computing, Inc (Filed With SEC on August 12, 2021)

Form of Underwriters Warrant (Filed With SEC on April 29, 2022)

Underwriting Agreement by and between the Company and Univest Securities, LLC, as representative of the several underwriters named therein, dated April 26, 2022 (Filed With SEC on April 29, 2022)

Certificate of Amendment to Certificate of Designations, Preferences and Rights of 9.0% Series A Cumulative Perpetual Preferred Stock, filed with the Secretary of State of the... (Filed With SEC on April 27, 2022)

Stock Purchase Agreement, dated as of April 11, 2022, by and between Soluna Holdings, Inc. and NKX Acquiror, Inc (Filed With SEC on April 15, 2022)

Form of Class D Common Stock Purchase Warrants (Filed With SEC on March 31, 2022)

Form of Restricted Stock Unit Agreement under the Amended and Restated Soluna Holdings, Inc., formerly known as Mechanical Technology, Incorporated, 2021 Stock Incentive Plan (Filed With SEC on March 31, 2022)

Form of Stock Option Agreement under the Amended and Restated Soluna Holdings, Inc., formerly known as Mechanical Technology, Incorporated, 2021 Stock Incentive Plan (Filed With SEC on March 31, 2022)

Amended and Restated Contingent Rights Agreement dated November 5, 2021, by and between Harmattan Energy, Ltd. and Soluna Holdings, Inc (Filed With SEC on March 31, 2022)

Form of Note by and between Soluna Holdings, Inc. and certain institutional lenders (Filed With SEC on March 31, 2022)

Commercial Security Agreement, by and between Soluna Holdings, Inc., formerly known as Mechanical Technology, Incorporated, and KeyBank National Association, dated September 15,... (Filed With SEC on March 31, 2022)

Promissory Note, by and between Soluna Holdings, Inc., formerly known as Mechanical Technology, Incorporated, and KeyBank National Association, dated September 15, 2021 (Filed With SEC on March 31, 2022)

Employment Agreement, by and between Soluna Computing, Inc., formerly known as EcoChain, Inc., and John Belizaire, dated as of October 29, 2021 (Filed With SEC on March 31, 2022)

Employment Agreement, by and between MTI Instruments, Inc. and Moshe Binyamin, dated as of January 20, 2022 (Filed With SEC on January 21, 2022)

Employment Agreement, by and between Soluna Holdings, Inc. and Michael Toporek, dated as of January 14, 2022 (Filed With SEC on January 21, 2022)

Digital Asset Account Control Agreement, by and among Soluna MC Borrowing 2021-1 LLC, NYDIG ABL LLC and NYDIG Trust Company LLC, effective as of December 30, 2021 (Filed With SEC on January 18, 2022)

Master Equipment Finance Agreement, by and between Soluna MC Borrowing 2021-1 LLC and NYDIG ABL LLC, dated as of December 30, 2021 (Filed With SEC on January 18, 2022)

Consent and Waiver Agreement, dated January 13, 2022, by and among the Company and the purchasers signatory to the Securities Purchase Agreement, dated as of October 20, 2021 (Filed With SEC on January 18, 2022)

Guaranty Agreement, by Soluna MC LLC, in favor of NYDIG ABL LLC, dated as of December 30, 2021 (Filed With SEC on January 18, 2022)

Form of Representatives Warrant (Filed With SEC on December 29, 2021)

Certificate of Amendment to Certificate of Designations, Preferences and Rights of 9.0% Series A Cumulative Perpetual Preferred Stock, filed with the Secretary of State of the... (Filed With SEC on December 29, 2021)

Underwriting Agreement by and between the Company and Univest Securities, LLC, as representative of the several underwriters named therein, dated December 23, 2021 (Filed With SEC on December 29, 2021)

Securities Purchase Agreement, dated as of October 20, 2021, by and among the Company and the purchasers signatory thereto (Filed With SEC on October 25, 2021)

Security Agreement, dated as of October 25, 2021, by and among the Company, MTI Instruments, Inc., EcoChain, Inc., EcoChain Wind, LLC, EcoChain Block, LLC and Collateral Services... (Filed With SEC on October 25, 2021)

Registration Rights Agreement, dated as of October 25, 2021, by and among the Company and the investors listed on the Schedule of Purchasers attached thereto (Filed With SEC on October 25, 2021)

Form of Class C Common Stock Purchase Warrant to be issued by the Company pursuant to and in accordance with the Securities Purchase Agreement (Filed With SEC on October 25, 2021)

Form of Class B Common Stock Purchase Warrant to be issued by the Company pursuant to and in accordance with the Securities Purchase Agreement (Filed With SEC on October 25, 2021)

Form of Class A Common Stock Purchase Warrant to be issued by the Company pursuant to and in accordance with the Securities Purchase Agreement (Filed With SEC on October 25, 2021)

Form of Secured Convertible Note to be issued by the Company pursuant to and in accordance with the Securities Purchase Agreement (Filed With SEC on October 25, 2021)

Form of 9.0% Series A Cumulative Perpetual Preferred Stock Certificate (Filed With SEC on August 23, 2021)

Termination Agreement dated as of August 11, 2021, by and among Mechanical Technology, Incorporated, EcoChain, Inc., and Harmattan Energy, Ltd (Filed With SEC on August 12, 2021)

Form of Certificate of Designation for Series A Preferred Stock (Filed With SEC on July 19, 2021)

Form of Underwriting Agreement (Filed With SEC on July 19, 2021)

Amendment No. 2 to Registration Rights Agreement, dated as of June 24, 2021, by and between Mechanical Technology, Incorporated and American Stock Transfer & Trust Company, LLC (Filed With SEC on June 24, 2021)

Form of Certificate of Designation for Series A Preferred Stock (Filed With SEC on June 22, 2021)

Form of Power Supply Agreement, dated as of May 3, 2021 (Filed With SEC on May 4, 2021)

Form of Ground Lease Agreement, dated as of May 3, 2021 (Filed With SEC on May 4, 2021)

Form of Land Lease Agreement (Vacant Land), dated as of May 3, 2021 (Filed With SEC on May 4, 2021)

Form of Guaranty of Rent, dated as of May 3, 2021 (Filed With SEC on May 4, 2021)

Form of Transition Services Agreement, dated as of May 3, 2021 (Filed With SEC on May 4, 2021)

Form of Warrant Agent Agreement between Mechanical Technology, Incorporated and American Stock Transfer & Trust Company (Filed With SEC on April 21, 2021)

Form of Pre-Funded Warrant (Filed With SEC on April 12, 2021)

Form of Underwriting Agreement (Filed With SEC on April 12, 2021)

Form of Purchase Agreement, dated April 11, 2021 (Filed With SEC on April 12, 2021)

Form of Underwriters Warrant (Filed With SEC on April 2, 2021)

Form of Common Purchase Warrant (Filed With SEC on April 2, 2021)

Form of Underwriting Agreement (Filed With SEC on April 2, 2021)

Form of Stock Option Agreement under the Mechanical Technology, Incorporated 2021 Stock Incentive Plan (Filed With SEC on March 31, 2021)

Mechanical Technology, Incorporated 2021 Stock Incentive Plan (Filed With SEC on March 31, 2021)

Form of Restricted Stock Agreement under the Mechanical Technology, Incorporated 2021 Stock Incentive Plan (Filed With SEC on March 31, 2021)

Form of Restricted Stock Unit Agreement under the Mechanical Technology, Incorporated 2021 Stock Incentive Plan (Filed With SEC on March 31, 2021)

Agreement and Plan of Merger (Filed With SEC on March 31, 2021)

MECHANICAL TECHNOLOGY INC (57)