Aqua Metals, Inc. Contracts & Agreements

Securities Purchase Agreement dated as of July 18, 2023 between the Company and Yulho Co., Ltd (Filed With SEC on July 21, 2023)

Underwriting Agreement dated as of July 18, 2023 between the Company and The Benchmark Company, LLC (Filed With SEC on July 19, 2023)

Employment Agreement dated August 9, 2021 between the Registrant andBenjamin Taecker (Filed With SEC on March 9, 2023)

Employment Agreement dated August 9, 2021 between the Registrant andDave McMurtry (Filed With SEC on March 9, 2023)

Loan Agreement dated September 30, 2022 with Summit Investment Services, LLC (Filed With SEC on March 9, 2023)

Third Amendment to Equipment Supply Agreement dated June 30, 2021 between the Registrant and Clarios, LLC (Filed With SEC on July 29, 2021)

Description of Capital Stock (Filed With SEC on February 25, 2021)

Industrial Lease Agreement dated February 15, 2021 between Aqua Metals Reno Inc. and LINICO Corporation (Filed With SEC on February 17, 2021)

SeriesA Preferred Stock Purchase Agreement dated February 15, 2021 between Aqua Metals, Inc. and LINICO Corporation (Filed With SEC on February 17, 2021)

Investor Rights Agreement dated February 15, 2021 between Aqua Metals, Inc. and LINICO Corporation (Filed With SEC on February 17, 2021)

Voting Agreement dated February 15, 2021 between Aqua Metals, Inc. and LINICO Corporation (Filed With SEC on February 17, 2021)

At The Market Issuance Sales Agreement between B. Riley FBR, Inc. and Aqua Metals, Inc (Filed With SEC on June 5, 2020)

Memorandum of Agreement dated March 25, 2020 between Aqua Metals, Inc. and Veritex Community Bank (Filed With SEC on March 30, 2020)

Second Amendment dated June 27, 2019 to Equipment Supply Agreement dated April 16, 2018 between the Registrant and Clarios (Filed With SEC on July 31, 2019)

Underwriting Agreement dated as of May 10, 2019 between the Company and Oppenheimer & Co. Inc., as representative of the several underwriters thereto (Filed With SEC on May 10, 2019)

Operations, Maintenance and Management Agreement dated February 26, 2019 between Veolia North America Regeneration Services, LLC and the Registrant (Filed With SEC on May 9, 2019)

Warrant dated January 22, 2019 issued to National Securities Corporation (Filed With SEC on February 28, 2019)

Employment Agreement dated November 4, 2018 between the Registrant and Judd Merrill (Filed With SEC on February 28, 2019)

Separation Agreement and Release dated December 3, 2018 between the Registrant and Selwyn Mould (Filed With SEC on February 28, 2019)

Underwriting Agreement dated as of January 17, 2019 between the Company and National Securities Corporation, as underwriter (Filed With SEC on January 17, 2019)

Form of Underwriters Warrant (Filed With SEC on January 17, 2019)

Amendment No. 1 to Omnibus Amendment Agreement dated August 6, 2018 between the Registrant and Interstate Batteries Recycling, LLC (Filed With SEC on August 8, 2018)

Underwriting Agreement dated as of June 14, 2018 between the Company and Oppenheimer & Co. Inc., as representative of the several underwriters thereto (Filed With SEC on June 14, 2018)

Amendment to the Equipment Supply Agreement dated April 16, 2018 between the Registrant and Johnson Controls Battery Group, Inc (Filed With SEC on May 9, 2018)

Settlement Agreement, dated as of May 2, 2018, by and among Aqua Metals, Inc., David L. Kanen and Kanen Wealth Management, LLC (Filed With SEC on May 2, 2018)

Employment Agreement, dated May 2, 2018, by and between Aqua Metals, Inc. and Stephen Cotton (Filed With SEC on May 2, 2018)

Underwriting Agreement dated as of December 7, 2017 between the Company and Oppenheimer & Co. Inc., as underwriter (Filed With SEC on December 11, 2017)

Aqua Metals, Inc. Officer and Director Share Purchase Plan (Filed With SEC on November 9, 2017)

Tolling/Lead Purchase Agreement dated February 7, 2017 between the Registrant and Johnson Controls Battery Group, Inc (Filed With SEC on May 10, 2017)

Equipment Supply Agreement dated February 7, 2017 between the Registrant and Johnson Controls Battery Group, Inc (Filed With SEC on May 10, 2017)

Stock Purchase Agreement dated February 7, 2017 between the Registrant and Tyco International Finance S.A (Filed With SEC on May 10, 2017)

AQUA METALS, INC. UNDERWRITER WARRANT 33,450 shares of Common Stock November 21, 2016 (Filed With SEC on March 2, 2017)

AQUA METALS,inc. 2,000,000SHARES OF COMMON STOCK UNDERWRITINGAGREEMENT (Filed With SEC on November 16, 2016)

AQUA METALS, INC. UNDERWRITER WARRANT [] shares of Common Stock November [], 2016 (Filed With SEC on November 16, 2016)

CONVERTIBLE TERM NOTE (Filed With SEC on August 10, 2016)

AQUA METALS, INC. Warrantto Purchase Common Stock (Filed With SEC on August 10, 2016)

STOCKPURCHASE AGREEMENT by and between AQUAMETALS, INC. and InterstateEmerging Investments, LLC dated as of May 18, 2016 (Filed With SEC on August 10, 2016)

STOCK PURCHASEAGREEMENT (Filed With SEC on August 10, 2016)

REGISTRATION RIGHTS AGREEMENT (Filed With SEC on August 10, 2016)

CREDIT AGREEMENT BETWEEN AQUA METALS, INC. (“Borrower”) AND INTERSTATE EMERGING INVESTMENTS, LLC (“Lender”) May 18, 2016 (Filed With SEC on August 10, 2016)

AMENDMENTNO. 1 TO EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on August 10, 2016)

LOANAGREEMENT BETWEEN GREENBANK, N.A. asLender and AQUAMETALS RENO, INC. asBorrower November3, 2015 (Filed With SEC on November 10, 2015)

DEED OF TRUST, SECURITY AGREEMENT AND FIXTUREFILING from AQUA METALS RENO, INC, a Delaware corporation (“Grantor”) to FIRST AMERICAN TITLE INSURANCE COMPANY, a Nebraska... (Filed With SEC on November 10, 2015)

MARINA VILLAGE LEASE BSREP MARINA VILLAGE OWNER LLC, a Delawarelimited liability company as Landlord, and AQUA METALS, INC., a Delaware corporation as Tenant (Filed With SEC on August 27, 2015)

AQUA METALS, INC. UNDERWRITING AGREEMENT (Filed With SEC on July 22, 2015)

AQUA METALS, INC. UNDERWRITING AGREEMENT (Filed With SEC on July 20, 2015)

TRANSFER FEE WILLAPPLY (Filed With SEC on July 20, 2015)

AQUA METALS, INC. UNDERWRITER WARRANT [_______] shares of Common Stock [_______], 2015 (Filed With SEC on July 20, 2015)

AQUA METALS, INC. WARRANT TO PURCHASE COMMON STOCK (Filed With SEC on June 9, 2015)

[FORM OF] SENIOR SECURED CONVERTIBLENOTE (Filed With SEC on June 9, 2015)

AQUA METALS, INC. WARRANT TO PURCHASE COMMON STOCK (Filed With SEC on June 9, 2015)

[Form of] AQUA METALS, INC. INDEMNIFICATION AGREEMENT (Filed With SEC on June 9, 2015)

aquametals, inc. AMENDEDAND RESTATED 2014 STOCK INCENTIVE PLAN (May 5, 2015) (Filed With SEC on June 9, 2015)

SECURITIESPURCHASE AGREEMENT (Filed With SEC on June 9, 2015)

REGISTRATION RIGHTS AGREEMENT FORINVESTORS (Filed With SEC on June 9, 2015)

SECURITY AGREEMENT (Filed With SEC on June 9, 2015)

PURCHASE AND SALE AGREEMENT AND ESCROW INSTRUCTIONS TAHOE-RENO INDUSTRIAL CENTER (Filed With SEC on June 9, 2015)

AQUA METALS, INC. EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on June 9, 2015)

THIRDAMENDMENT TO PURCHASE AND SALE AGREEMENT (Filed With SEC on June 9, 2015)