NORTHERN TECHNOLOGIES INTERNATIONAL CORP Contracts & Agreements

Form of Restricted Stock Unit Award Agreement for use with the Northern Technologies International Corporation 2024 Stock Incentive Plan (Filed With SEC on January 19, 2024)

Form of Non-Statutory Stock Option Agreement for use with the Northern Technologies International Corporation 2024 Stock Incentive Plan (Filed With SEC on January 19, 2024)

Form of Incentive Stock Option Agreement for use with the Northern Technologies International Corporation 2024 Stock Incentive Plan (Filed With SEC on January 19, 2024)

Northern Technologies International Corporation 2024 Stock Incentive Plan (Filed With SEC on January 19, 2024)

Line of Credit Note, effective January 5, 2024, between Northern Technologies International Corporation and JPMorgan Chase Bank, N.A (Filed With SEC on January 11, 2024)

Northern Technologies International Corporation Amended and Restated 2019 Stock Incentive Plan (Filed With SEC on November 21, 2023)

Credit Agreement between JPMorgan Chase Bank, N.A. and Northern Technologies International Corporation, dated December 19, 2022 (Filed With SEC on April 13, 2023)

Amendment to Consulting Agreement effective January 11, 2022 by and among Northern Technologies International Corporation, BioPlastic Polymers LLC, and Ramani Narayan, Ph.D (Filed With SEC on November 15, 2022)

Amended and Restated Revolving Line of Credit Note dated as of August 8, 2022 issued by Northern Technologies International Corporation to PNC Bank, National Association (Filed With SEC on November 15, 2022)

Amended and Restated Revolving Line of Credit Note dated as of May 20, 2022 issued by Northern Technologies International Corporation to PNC Bank, National Association (Filed With SEC on July 8, 2022)

Amended and Restated Revolving Line of Credit Note dated as of March 1, 2022 issued by Northern Technologies International Corporation to PNC Bank, National Association (Filed With SEC on April 8, 2022)

Amended and Restated Revolving Line of Credit Note dated as of January 4, 2022 issued by Northern Technologies International Corporation to PNC Bank, National Association (Filed With SEC on January 7, 2022)

Amended and Restated Loan Agreement dated as of August 31, 2021 by and between Northern Technologies International Corporation and PNC Bank, National Association (Filed With SEC on September 22, 2021)

Amended and Restated Revolving Line of Credit Note dated as of August 31, 2021 issued by Northern Technologies International Corporation to PNC Bank, National Association (Filed With SEC on September 22, 2021)

Real Estate Purchase and Sales Contract dated July 7, 2021 between NTIC (Shanghai) Co., Ltd. and Shanghai FASTO Investment Group Limited Company (Official Chinese Version) (Filed With SEC on July 8, 2021)

Unofficial English Summary of Real Estate Purchase and Sales Contract dated July 7, 2021 between NTIC (Shanghai) Co., Ltd. and Shanghai FASTO Investment Group Limited Company (Filed With SEC on July 8, 2021)

Northern Technologies International Corporation Amended and Restated 2019 Stock Incentive Plan (Filed With SEC on January 15, 2021)

Amendment to Loan Documents dated as of December 21, 2020 by and between Northern Technologies International Corporation and PNC Bank, National Association (Filed With SEC on December 29, 2020)

Amended and Restated Revolving Line of Credit Note dated as of December 21, 2020 issued by Northern Technologies International Corporation to PNC Bank, National Association (Filed With SEC on December 29, 2020)

Northern Technologies International Corporation 2019 Stock Incentive Plan (Filed With SEC on November 13, 2020)

Letter Agreement dated as of December 16, 2019 between PNC Bank, National Association and Northern Technologies International Corporation (Filed With SEC on January 8, 2020)

Northern Technologies International Corporation 2019 Stock Incentive Plan (Filed With SEC on November 13, 2019)

Form of Indemnification Agreement between Northern Technologies International Corporation and its Directors and Officers (Filed With SEC on October 23, 2019)

Northern Technologies International Corporation 2019 Stock Incentive Plan (Filed With SEC on January 25, 2019)

Form of Incentive Stock Option Agreement for Northern Technologies International Corporation 2019 Stock Incentive Plan (Filed With SEC on January 25, 2019)

Form of Non-Statutory Stock Option Agreement for Northern Technologies International Corporation 2019 Stock Incentive Plan (Filed With SEC on January 25, 2019)

Letter Agreement effective as November 30, 2018 between PNC Bank, National Association and Northern Technologies International Corporation (Filed With SEC on January 9, 2019)

Executive Employment Agreement dated as of November 18, 2011 between Northern Technologies International Corporation and G. Patrick Lynch (Filed With SEC on November 13, 2018)

Letter Agreement effective as of January 5, 2018 between PNC Bank, National Association and Northern Technologies International Corporation (Filed With SEC on January 12, 2018)

Executive Employment Agreement dated as of November 18, 2011 between Northern Technologies International Corporation and G. Patrick Lynch (Filed With SEC on November 21, 2017)

* * * * * (Filed With SEC on January 17, 2017)

CONSULTING AGREEMENT (Filed With SEC on January 17, 2017)

NORTHERN TECHNOLOGIESINTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEEDIRECTOR COMPENSATION ARRANGEMENTS (Filed With SEC on November 22, 2016)

Amendmentto Loan Documents (Filed With SEC on April 11, 2016)

NORTHERN TECHNOLOGIESINTERNATIONAL CORPORATION MATERIAL TERMS OF ANNUALBONUS PLAN (Filed With SEC on November 13, 2015)

NORTHERN TECHNOLOGIESINTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEEDIRECTOR COMPENSATION ARRANGEMENTS (Filed With SEC on November 13, 2015)

[PNC Letterhead] (Filed With SEC on April 9, 2015)

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION MATERIAL TERMS OF ANNUAL BONUS PLAN (Filed With SEC on November 14, 2014)

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS (Filed With SEC on November 14, 2014)

PURCHASE AND SALE AGREEMENT (Filed With SEC on July 15, 2014)

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS (Filed With SEC on November 22, 2013)

PNC1900 East 9th StreetCleveland, OR 44114 (Filed With SEC on January 14, 2013)

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS (Filed With SEC on November 21, 2012)

WAIVER AND FIRST AMENDMENT TO LOAN DOCUMENTS (Filed With SEC on January 13, 2012)

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS (Filed With SEC on November 21, 2011)

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION CONFIDENTIAL INFORMATION, INVENTIONS ASSIGNMENT, NONCOMPETITION AND NON-SOLICITATION AGREEMENT (Filed With SEC on November 21, 2011)

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on November 21, 2011)

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Filed With SEC on November 21, 2011)

RESTRICTED STOCK AWARD AGREEMENT (Filed With SEC on January 24, 2011)

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION AMENDED AND RESTATED 2007 STOCK INCENTIVE PLAN (Filed With SEC on January 24, 2011)

INCENTIVE STOCK OPTION AGREEMENT (Filed With SEC on January 24, 2011)

NON-STATUTORY STOCK OPTION AGREEMENT (Filed With SEC on January 24, 2011)

NORTHERNTECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTIONOF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS (Filed With SEC on November 23, 2010)

NORTHERNTECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTIONOF EXECUTIVE OFFICER COMPENSATION ARRANGEMENTS (Filed With SEC on November 23, 2010)

NORTHERNTECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTIONOF NON-EMPLOYEE DIRECTOR COMPENSATIONARRANGEMENTS (Filed With SEC on November 30, 2009)

NORTHERNTECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTIONOF EXECUTIVE OFFICER COMPENSATIONARRANGEMENTS (Filed With SEC on November 30, 2009)

PLACEMENT AGENCY AGREEMENT September 18, 2009 (Filed With SEC on September 21, 2009)

Form ofSubscription Agreement (Filed With SEC on September 21, 2009)

TECHNOLOGY TRANSFER AND CONSULTING AGREEMENT (Filed With SEC on July 14, 2009)

AGREEMENT (Filed With SEC on May 7, 2009)

NORTHERNTECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTIONOF NON-EMPLOYEE DIRECTOR COMPENSATIONARRANGEMENTS (Filed With SEC on November 25, 2008)

NORTHERNTECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTIONOF EXECUTIVE OFFICER COMPENSATIONARRANGEMENTS (Filed With SEC on November 25, 2008)

INDEMNIFICATION AGREEMENT (Filed With SEC on November 24, 2008)

PURCHASE AND SALE AGREEMENT (Filed With SEC on June 5, 2006)

CONSULTING AGREEMENT (Filed With SEC on May 22, 2006)

AMENDMENT NO. 3 TO PURCHASE AGREEMENT (Filed With SEC on May 9, 2006)

QUALIFIED EXCHANGE ACCOMMODATION AGREEMENT (REPLACEMENT PROPERTY HOLD) EXCHANGE NO. 380271R-A (Filed With SEC on May 9, 2006)

MORTGAGE (Filed With SEC on May 9, 2006)

COMMERCIAL GUARANTY (Filed With SEC on May 9, 2006)

AMENDMENT NO. 2 TO PURCHASE AGREEMENT (Filed With SEC on May 9, 2006)

AMENDMENT NO. 1 TO PURCHASE AGREEMENT (Filed With SEC on May 9, 2006)

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NORTHERN TECHNOLOGIES INTERNATIONAL CORP Contracts & Agreements