NTIC / Northern Technologies International Corporation - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Northern Technologies International Corporation
US ˙ NasdaqGM ˙ US6658091094

Mga Batayang Estadistika
CIK 875582
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Northern Technologies International Corporation
SEC Filings (Chronological Order)
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July 11, 2025 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2025

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2025 MINNEAPOLIS, July 10, 2025 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

July 11, 2025 EX-10.1

Third Amendment to Credit Agreement, dated as of July 8, 2025, between JPMorgan Chase Bank, N.A. and Northern Technologies International Corporation (filed herewith)

Exhibit 10.1 Third Amendment to Credit Agreement This Third Amendment to Credit Agreement (this "Amendment") is dated as of July 8, 2025, by and between Northern Technologies International Corporation (the "Borrower") and JPMorgan Chase Bank, N.A. (together with its successors and assigns the "Bank"). The provisions of this Amendment are effective on the date that this Amendment has been executed

July 11, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHERN TE

July 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 10, 2025 NORTHERN TECHNOLOGI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 10, 2025 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inco

July 11, 2025 EX-10.2

Line of Credit Note, dated July 8, 2025, between Northern Technologies International Corporation and JPMorgan Chase Bank, N.A. (filed herewith)

Exhibit 10.2 Line of Credit Note $10,000,000.00 Date: July 8, 2025 Promise to Pay. On or before January 5, 2026, for value received, Northern Technologies International Corporation (the "Borrower") promises to pay to JPMorgan Chase Bank, N.A., whose address is 10 S Dearborn St, Floor 35, Chicago, IL 60603-2300 ATTN: MMBSI Credit Executive- MN (the "Bank") or order, in lawful money of the United St

April 10, 2025 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2025

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2025 MINNEAPOLIS, April 10, 2025 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for

April 10, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHE

April 10, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 10, 2025 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inc

January 17, 2025 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 17, 2025 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of i

January 10, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHE

January 10, 2025 EX-10.2

Line of Credit Note, dated January 6, 2025, between Northern Technologies International Corporation and JPMorgan Chase Bank, N.A. (filed herewith)

Exhibit 10.2 LINE OF CREDIT NOTE $8,000,000.00 Date: December 19, 2024 Promise to Pay. On or before January 5, 2026, for value received, Northern Technologies International Corporation (the "Borrower") promises to pay to JPMorgan Chase Bank, N.A., whose address is 650 3rd Ave S Ste 450, Minneapolis, MN 55402-4300 (the "Bank") or order, in lawful money of the United States of America, the sum of Ei

January 10, 2025 EX-10.1

Second Amendment to Credit Agreement, dated as of January 6, 2025, between JPMorgan Chase Bank, N.A. and Northern Technologies International Corporation (filed herewith)

Exhibit 10.1 SECOND AMENDMENT TO CREDIT AGREEMENT This Second Amendment to Credit Agreement (this "Amendment") is dated as of January 6, 2025, by and between Northern Technologies International Corporation (the "Borrower") and JPMorgan Chase Bank, N.A. (together with its successors and assigns the "Bank"). The provisions of this Amendment are effective on the date that this Amendment has been exec

January 8, 2025 EX-99.1

Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2025

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2025 MINNEAPOLIS, Jan. 08, 2025 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

January 8, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 8, 2025 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of In

December 2, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive

December 2, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

November 19, 2024 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Fourth Quarter and Full Year Fiscal 2024

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Fourth Quarter and Full Year Fiscal 2024 MINNEAPOLIS, Nov. 19, 2024 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financia

November 19, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 19, 2024 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of

November 19, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-11038 NORTHERN TECHNOLO

November 19, 2024 EX-21.1

Filed herewith

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Nevada 60% Same Northern Technologies Holding Company, LLC Minnesota 100% Same Natur-Tec India Private Limited India 75% Same Natur Tec Lanka (Pvt) Ltd Sri Lanka(1) 75% Same Zerust Prevenção de Corros

November 19, 2024 EX-3.2

Filed herewith

Exhibit 3.2 THIRD AMENDED AND RESTATED BYLAWS OF NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION A Delaware corporation (As amended through November 14, 2024) ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware shall be in the City of Wilmington, County of New Castle, State of Delaware. The name of the Corporation’s registered agent sha

November 14, 2024 SC 13G/A

NTIC / Northern Technologies International Corporation / PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. Passive Investment

SC 13G/A 1 fp0090585-3sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 3)* Northern Technologies International Corp. (Name of Issuer) Common (Title of Class of Securities) 665809109 (CUSIP Number

September 4, 2024 SC 13D/A

NTIC / Northern Technologies International Corporation / Inter Alia Holding Co - SC 13D/A Activist Investment

SC 13D/A 1 ef20035500sc13da.htm SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 5)* Northern Technologies International Corporation (Name of Issuer) Common Stock, $0.02 Par Value (Title of Class of Securities) 665809 10 9 (CUSIP Number) G. Patrick Lynch Inter Alia Holding Company c/o Northern Technologies In

September 4, 2024 EX-99.1

Joint Filing Agreement, dated September 4, 2024 by and among the reporting persons.

EX-99.1 2 ef20035500ex99-1.htm EXHIBIT 99.1 EXHIBIT 99.1 JOINT FILING AGREEMENT Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required on Schedule 13D need be filed with respect to ownership by each of the undersigned of shares of common stock of Northern Technologies International Corporation

August 2, 2024 SC 13G

NTIC / Northern Technologies International Corporation / NEEDHAM INVESTMENT MANAGEMENT LLC Passive Investment

SC 13G 1 d1143669313g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.)* Northern Technologies International Corp. (Name of Issuer) Common Stock, par value $0.02 per share (Title of Class of Securities) 665809109 (CUSIP Number) July 24, 2024 (Date of Event Which Requires Filing of this Statement) Check t

July 11, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHERN TE

July 11, 2024 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2024

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2024 MINNEAPOLIS, July 11, 2024 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

July 11, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 11, 2024 NORTHERN TECHNOLOGI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 11, 2024 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inco

April 11, 2024 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2024

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2024 MINNEAPOLIS, April 11, 2024 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for

April 11, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 11, 2024 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inc

April 11, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 29, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHE

February 14, 2024 SC 13G/A

NTIC / Northern Technologies International Corporation / PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. Passive Investment

SC 13G/A 1 fp0086898-5sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 2)* Northern Technologies International Corp. (Name of Issuer) Common (Title of Class of Securities) 665809109 (CUSIP Number

January 22, 2024 EX-FILING FEES

Filing Fee Table (Filed herewith)

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Northern Technologies International Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit(2) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee(3) Equity Common Stock, par value $0.

January 22, 2024 S-8

As filed with the Securities and Exchange Commission on January 22, 2024

As filed with the Securities and Exchange Commission on January 22, 2024 Registration No.

January 22, 2024 S-8 POS

As filed with the Securities and Exchange Commission on January 22, 2024

As filed with the Securities and Exchange Commission on January 22, 2024 Registration Nos.

January 22, 2024 S-8 POS

As filed with the Securities and Exchange Commission on January 22, 2024

As filed with the Securities and Exchange Commission on January 22, 2024 Registration Nos.

January 19, 2024 EX-10.1

Northern Technologies International Corporation 2024 Stock Incentive Plan (Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 19, 2024 (File No. 001-11038))

Exhibit 10.1 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION 2024 STOCK INCENTIVE PLAN (Effective January 19, 2024) 1. Purpose of Plan. The purpose of the Northern Technologies International Corporation 2024 Stock Incentive Plan (this “Plan”) is to advance the interests of Northern Technologies International Corporation, a Delaware corporation (the “Company”), and its stockholders by enabling the

January 19, 2024 EX-10.4

Form of Restricted Stock Unit Award Agreement for use with the Northern Technologies International Corporation 2024 Stock Incentive Plan (filed herewith)

Exhibit 10.4 FORM OF RESTRICTED STOCK UNIT AWARD AGREEMENT THIS RESTRICTED STOCK UNIT AWARD AGREEMENT is entered into and effective as of , 20 (the “Grant Date”), by and between Northern Technologies International Corporation (the “Company”) and (the “Participant”). A. The Company has adopted the Northern Technologies International Corporation 2024 Stock Incentive Plan (as amended from time to tim

January 19, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2024 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of i

January 19, 2024 EX-10.2

Form of Incentive Stock Option Agreement for use with the Northern Technologies International Corporation 2024 Stock Incentive Plan (filed herewith)

Exhibit 10.2 FORM OF INCENTIVE STOCK OPTION AGREEMENT THIS INCENTIVE STOCK OPTION AGREEMENT is entered into and effective as of , 20 (the “Grant Date”), by and between Northern Technologies International Corporation (the “Company”) and (the “Optionee”). A. The Company has adopted the Northern Technologies International Corporation 2024 Stock Incentive Plan (as amended from time to time, the “Plan”

January 19, 2024 EX-10.3

Form of Non-Statutory Stock Option Agreement for use with the Northern Technologies International Corporation 2024 Stock Incentive Plan (Incorporated by reference to Exhibit 10.3 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 19, 2024 (File No. 001-11038))

Exhibit 10.3 FORM OF NON-STATUTORY STOCK OPTION AGREEMENT THIS NON-STATUTORY STOCK OPTION AGREEMENT is entered into and effective as of , 20 (the “Grant Date”), by and between Northern Technologies International Corporation (the “Company”) and (the “Optionee”). A. The Company has adopted the Northern Technologies International Corporation 2024 Stock Incentive Plan (as amended from time to time, th

January 11, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHE

January 11, 2024 EX-99.1

Northern Technologies International Corporation Reports Financial Results For First Quarter Fiscal 2024

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results For First Quarter Fiscal 2024 MINNEAPOLIS, Jan. 11, 2024 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

January 11, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 11, 2024 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of I

January 11, 2024 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Quarterly Report on Form 10-Q for the fiscal quarter ended February 29, 2024 (File No. 001-11038)

Exhibit 10.1 LINE OF CREDIT NOTE, EFFECTIVE JANUARY 5, 2024, BETWEEN NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION AND JPMORGAN CHASE BANK, N.A. Line of Credit Note $10,000,000.00 Date: December 21, 2023 Promise to Pay. On or before January 6, 2025, for value received, Northern Technologies International Corporation (the "Borrower") promises to pay to JPMorgan Chase Bank, N.A., whose address is

December 4, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive

December 4, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive

November 21, 2023 EX-21.1

Filed herewith

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Nevada 60% Same Northern Technologies Holding Company, LLC Minnesota 100% Same Natur-Tec India Private Limited India 75% Same Natur Tec Lanka (Pvt) Ltd Sri Lanka(1) 75% Same Zerust Prevenção de Corros

November 21, 2023 EX-99.1

Northern Technologies International Corporation Reports Financial Results For Fourth Quarter and Full Year Fiscal 2023

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results For Fourth Quarter and Full Year Fiscal 2023 MINNEAPOLIS, Nov. 21, 2023 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financia

November 21, 2023 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Amendment No. 1) (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numb

November 21, 2023 8-K

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 17, 2023 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of

November 21, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 21, 2023 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of

November 21, 2023 EX-4.2

Filed herewith

Exhibit 4.2 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Northern Technologies International Corporation, a Delaware corporation (referred to as NTIC, we, us and our), has only one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: common stock, par

November 21, 2023 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Amendment No. 1) (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

November 21, 2023 EX-97.1

Filed herewith

Exhibit 97.1 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION CLAWBACK POLICY Purpose Northern Technologies International Corporation (the “Company”) is committed to conducting business with integrity in accordance with high ethical standards and in compliance with all applicable laws, rules and regulations, including those applicable to the presentation of the Company’s financial information to th

November 21, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-11038 NORTHERN TECHNOLO

July 13, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 13, 2023 NORTHERN TECHNOLOGI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 13, 2023 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inco

July 13, 2023 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2023

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2023 MINNEAPOLIS, July 13, 2023 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

July 13, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHERN TE

April 13, 2023 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2023

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2023 MINNEAPOLIS, April 13, 2023 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for

April 13, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHE

April 13, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2023 NORTHERN TECHNOLOG

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2023 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inc

April 13, 2023 EX-3.1

Restated Certificate of Incorporation of Northern Technologies International Corporation, dated January 31, 2023 (Incorporated by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q for the fiscal quarter ended February 28, 2023 (File No. 001-11038))

Exhibit 3.1 Delaware Page 1 The First State I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE RESTATED CERTIFICATE OF “NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION”, FILED IN THIS OFFICE ON THE THIRTY- FIRST DAY OF JANUARY, A.D. 2023, AT 9:47 O`CLOCK A.M. 844552 8100 Authentication: 202629480 SR# 20230312706 Date

April 13, 2023 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Quarterly Report on Form 10-Q for the fiscal quarter ended February 28, 2023 (File No. 001-11038)

Exhibit 10.1 Credit Agreement This agreement dated as of December 19, 2022, is between JPMorgan Chase Bank, N.A. (together with its successors and assigns, the "Bank"), whose address is 10 S Dearborn St, Floor 35, Chicago, IL, 60603-2300, ATTN: Credit Executive- MN, and NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the "Borrower"), whose address is 4201 Woodland Road, Circle Pines, MN 55014. 1.

February 13, 2023 SC 13G/A

NTIC / Northern Technologies International Corp / PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. Passive Investment

SC 13G/A 1 fp0082241-12sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 1)* Northern Technologies International Corp. (Name of Issuer) Common (Title of Class of Securities) 665809109 (CUSIP Numbe

January 23, 2023 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 20, 2023 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of i

January 23, 2023 EX-3.1

Certificate of Amendment to Restated Certificate of Incorporation of Northern Technologies International Corporation dated January 23, 2023 (filed herewith)

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO RESTATED CERTIFICATE OF INCORPORATION OF NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION Northern Technologies International Corporation (hereinafter called the “Corporation”), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware, does hereby certify: FIRST: The present name of the corporation is No

January 12, 2023 EX-99.1

Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2023

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2023 MINNEAPOLIS, Jan. 12, 2023 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

January 12, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 12, 2023 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of I

January 12, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934‐‐ For the transition period from to Commission File Number: 001-11038 NORT

December 20, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive

December 5, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

December 5, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

November 16, 2022 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

PRE 14A 1 pre14a111422.htm FORM PRE 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Ru

November 16, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 16, 2022 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of

November 16, 2022 EX-99.1

Northern Technologies International Corporation Fourth Quarter FY 2022 Investor Presentation NTIC’s environmentally friendly technologies deliver leading corrosion inhibiting products and services, as well as advanced bioplastic packaging solutions N

Exhibit 99.1 Northern Technologies International Corporation Fourth Quarter FY 2022 Investor Presentation NTIC’s environmentally friendly technologies deliver leading corrosion inhibiting products and services, as well as advanced bioplastic packaging solutions Nasdaq: NTIC Disclaimers Forward - Looking Statements Statements contained in this presentation that are not historical information are fo

November 15, 2022 EX-10.22

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

Exhibit 10.22 Amended and Restated Revolving Line of Credit Note (Daily BSBY) $7,000,000.00 August 8, 2022 FOR VALUE RECEIVED, NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the ?Borrower?), with an address at 4201 WOODLAND ROAD, CIRCLE PINES, MINNESOTA 55014-1794, promises to pay to the order of PNC BANK, NATIONAL ASSOCIATION (the ?Bank?), in lawful money of the United States of America in imme

November 15, 2022 EX-10.24

Amendment to Consulting Agreement effective January 11, 2022 by and among Northern Technologies International Corporation, BioPlastic Polymers LLC, and Ramani Narayan, Ph.D.

Exhibit 10.24 AMENDMENT TO CONSULTING AGREEMENT This Amendment to Consulting Agreement (this ?Amendment?) is effective as of the 11th day of January, 2022, by and among Northern Technologies International Corporation, a Delaware corporation, located at 4201 Woodland Road, Circle Pines, MN 55014 (?NTIC?), BioPlastic Polymers LLC, a Michigan limited liability company, located at 4275 Conifer Circle,

November 15, 2022 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Delaware 60% Same Northern Technologies Holding Company, LLC Delaware 100% Same Natur-Tec India Private Limited India 75% Same Natur Tec Lanka (Pvt) Ltd Sri Lanka(1) 75% Same Zerust Preven??o de Corro

November 15, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-11038 NORTHERN TECHNOLO

November 14, 2022 EX-3.1

Second Amended and Restated Bylaws of Northern Technologies International Corporation (Incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on November 14, 2022 (File No. 001-11038))

Exhibit 3.1 SECOND AMENDED AND RESTATED BYLAWS OF NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION A Delaware corporation (As amended through November 11, 2022) ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware shall be in the City of Wilmington, County of New Castle, State of Delaware. The name of the Corporation?s registered agent sh

November 14, 2022 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Fourth Quarter and Full Year Fiscal 2022

Exhibit 99.1 Northern Technologies International Corporation Reports Financial Results for Fourth Quarter and Full Year Fiscal 2022 MINNEAPOLIS, Nov. 14, 2022 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financia

November 14, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 11, 2022 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of

July 8, 2022 EX-10.2

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

Exhibit 10.2 Amended and Restated Revolving Line of Credit Note (Daily BSBY) $7,000,000.00 May 20, 2022 FOR VALUE RECEIVED, NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the ?Borrower?), with an address at 4201 WOODLAND ROAD, CIRCLE PINES, MINNESOTA 55014-1794, promises to pay to the order of PNC BANK, NATIONAL ASSOCIATION (the ?Bank?), in lawful money of the United States of America in immedia

July 8, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHERN TE

July 7, 2022 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2022

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2022 MINNEAPOLIS, July 07, 2022 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

July 7, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 7, 2022 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incor

April 8, 2022 EX-10.1

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

Exhibit 10.1 Amended and Restated Revolving Line of Credit Note (Daily BSBY) $5,000,000.00 March 1, 2022 FOR VALUE RECEIVED, NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the ?Borrower?), with an address at 4201 WOODLAND ROAD, CIRCLE PINES, MINNESOTA 55014-1794, promises to pay to the order of PNC BANK, NATIONAL ASSOCIATION (the ?Bank?), in lawful money of the United States of America in immedi

April 8, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHE

April 7, 2022 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2022

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2022 MINNEAPOLIS, April 07, 2022 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for

April 7, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 7, 2022 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inco

February 14, 2022 SC 13G

NTIC / Northern Technologies International Corp / PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. Passive Investment

SC 13G 1 fp0073032sc13g.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. )* Northern Technologies International Corp. (Name of Issuer) Common (Title of Class of Securities) 665809109 (CUSIP Number) Dece

January 21, 2022 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2022 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of i

January 12, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHE

January 7, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 4, 2022 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of in

January 7, 2022 EX-10.1

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 herewith)

Exhibit 10.1 Amended and Restated Revolving Line of Credit Note (Daily BSBY) $5,000,000.00 January 4, 2022 FOR VALUE RECEIVED, ?NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the ?Borrower?), with an address at 4201 WOODLAND ROAD, CIRCLE PINES, MINNESOTA 55014-1794, promises to pay to the order of PNC BANK, NATIONAL ASSOCIATION (the ?Bank?), in lawful money of the United States of America in imm

January 6, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 6, 2022 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of In

January 6, 2022 EX-99.1

Northern Technologies International Corporation Reports Financial Results For First Quarter Fiscal 2022

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results For First Quarter Fiscal 2022 MINNEAPOLIS, Jan. 06, 2022 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

December 6, 2021 DEF 14A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Stateme

December 6, 2021 DEFA14A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Stateme

November 19, 2021 EX-21.1

Filed herewith

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Delaware 60% Same Northern Technologies Holding Company, LLC Delaware 100% Same Natur-Tec India Private Limited India 75% Same Natur Tec Lanka (Pvt) Ltd Sri Lanka(1) 75% Same Zerust Preven??o de Corro

November 19, 2021 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-11038 NORTHERN TECHNOLO

November 17, 2021 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Fiscal 2021

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Fiscal 2021 MINNEAPOLIS, Nov. 17, 2021 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for the fourth quar

November 17, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 17, 2021 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of

September 22, 2021 EX-10.1

Amended and Restated Loan Agreement dated as of August 31, 2021 by and between Northern Technologies International Corporation and PNC Bank, National Association

EXHIBIT 10.1 AMENDED AND RESTATED LOAN AGREEMENT THIS AMENDED AND RESTATED LOAN AGREEMENT (the ?Agreement?), is entered into as of August 31, 2021, between NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION, a Delaware corporation (the ?Borrower?), with an address at 4201 WOODLAND ROAD, CIRCLE PINES, MINNESOTA 55014-1794, and PNC BANK, NATIONAL ASSOCIATION (the ?Bank?), with an address at 1900 E 9th

September 22, 2021 8-K

Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 22, 2021 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of

September 22, 2021 EX-99.1

Northern Technologies International Corporation Acquires Remaining Ownership Interest in Indian Joint Venture Expected to Add an Additional $0.10 Per Diluted Share in Earnings and Approximately $10 Million to Consolidated Net Sales in Fiscal Year 202

EXHIBIT 99.1 Northern Technologies International Corporation Acquires Remaining Ownership Interest in Indian Joint Venture Expected to Add an Additional $0.10 Per Diluted Share in Earnings and Approximately $10 Million to Consolidated Net Sales in Fiscal Year 2022 MINNEAPOLIS, Sept. 22, 2021 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of c

September 22, 2021 EX-10.2

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

EXHIBIT 10.2 Amended and Restated Revolving Line of Credit Note (Daily LIBOR) $5,000,000.00 August 31, 2021 FOR VALUE RECEIVED, NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the ?Borrower?), with an address at 4201 WOODLAND ROAD, CIRCLE PINES, MINNESOTA 55014-1794, promises to pay to the order of PNC BANK, NATIONAL ASSOCIATION (the ?Bank?), in lawful money of the United States of America in imm

August 10, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 10, 2021 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of in

July 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHERN TE

July 8, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 7, 2021 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of incor

July 8, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 8, 2021 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incor

July 8, 2021 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2021

EX-99.1 2 exh991.htm PRESS RELEASE EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2021 MINNEAPOLIS, July 08, 2021 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today r

July 8, 2021 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on July 8, 2021 (File No. 001-11038)

Exhibit 10.1

July 8, 2021 EX-10.2

Incorporated by reference to Exhibit 10.2 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on July 8, 2021 (File No. 001-11038)

Exhibit 10.2 Unofficial English Summary of Shanghai Real Estate Contract dated July 7, 2021 between NTIC (Shanghai) Co., Ltd, and Shanghai FASTO Investment Group Limited Company On July 7, 2021, NTIC (Shanghai) Co., Ltd. (?Buyer?), a wholly owned subsidiary of Northern Technologies International Corporation (the ?Company?), entered into a Shanghai Real Estate Sales Contract (the ?Contract?) with S

April 9, 2021 10-Q

Quarterly Report - FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHE

April 8, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 8, 2021 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inco

April 8, 2021 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2021

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2021 MINNEAPOLIS, April 08, 2021 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for

January 19, 2021 S-8

- FORM S-8

As filed with the Securities and Exchange Commission on January 19, 2021 Registration No.

January 15, 2021 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 15, 2021 (File No. 001-11038)

Exhibit 10.1 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION AMENDED AND RESTATED 2019 STOCK INCENTIVE PLAN (As amended on January 15, 2021) 1. Purpose of Plan. The purpose of the Northern Technologies International Corporation 2019 Stock Incentive Plan (this “Plan”) is to advance the interests of Northern Technologies International Corporation (the “Company”) and its stockholders by enabling the

January 15, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 15, 2021 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of i

January 8, 2021 10-Q

Quarterly Report - FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHERN

January 7, 2021 EX-99.1

Northern Technologies International Corporation Reports Financial Results For First Quarter Fiscal 2021

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results For First Quarter Fiscal 2021 MINNEAPOLIS, Jan. 07, 2021 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

January 7, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 7, 2021 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of In

December 29, 2020 EX-10.2

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

Exhibit 10.2 Amended and Restated Revolving Line of Credit Note (Daily LIBOR) $3,000,000.00 December 21, 2020 FOR VALUE RECEIVED, NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the “Borrower”), with an address at 4201 WOODLAND ROAD, CIRCLE PINES, MINNESOTA 55014-1794, promises to pay to the order of PNC BANK, NATIONAL ASSOCIATION (the “Bank”), in lawful money of the United States of America in i

December 29, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2020 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction (Co

December 29, 2020 EX-10.1

Amendment to Loan Documents dated as of December 21, 2020 by and between Northern Technologies International Corporation and PNC Bank, National Association

Exhibit 10.1 Amendment to Loan Documents THIS AMENDMENT TO LOAN DOCUMENTS (this “Amendment”) is made as of December 21, 2020, by and between NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the “Borrower”) (the “Borrower”), and PNC BANK, NATIONAL ASSOCIATION (the “Bank”). BACKGROUND A. The Borrower or another obligor has executed and delivered to the Bank (or a predecessor which is now known by th

November 30, 2020 DEFA14A

- DEFINITIVE ADDITIONAL MATERIALS

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Stateme

November 30, 2020 DEF 14A

- DEFINITIVE PROXY STATEMENT

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Stateme

November 13, 2020 EX-4.2

Filed herewith

Exhibit 4.2 northern technologies international corporation DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Northern Technologies International Corporation, a Delaware corporation (referred to as NTIC, we, us and our), has only one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: common stock, par

November 13, 2020 10-K

Annual Report - FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-11038 NORTHERN TECHNOLO

November 13, 2020 EX-21.1

Filed herewith

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Delaware 60% Same Northern Technologies Holding Company, LLC Delaware 100% Same Natur-Tec India Private Limited India 75% Same Natur Tec Lanka (Pvt) Ltd Sri Lanka(1) 75% Same Zerust Prevenção de Corro

November 12, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 12, 2020 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inco

November 12, 2020 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Fiscal 2020

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Fiscal 2020 MINNEAPOLIS, Minn., Nov. 12, 2020 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for the four

July 9, 2020 10-Q

Quarterly Report - FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHERN TE

July 8, 2020 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2020

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2020 MINNEAPOLIS, July 08, 2020 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

July 8, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): July 8, 2020 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incorpora

April 8, 2020 10-Q

NTIC / Northern Technologies International Corp. 10-Q - Quarterly Report - FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 29, 2020 or [] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NOR

April 7, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): April 7, 2020 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incorpor

April 7, 2020 EX-99.1

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION REPORTS FINANCIAL RESULTS FOR SECOND QUARTER FISCAL 2020

EXHIBIT 99.1 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION REPORTS FINANCIAL RESULTS FOR SECOND QUARTER FISCAL 2020 MINNEAPOLIS, April 07, 2020 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for

February 10, 2020 SC 13G/A

NTIC / Northern Technologies International Corp. / PERRITT CAPITAL MANAGEMENT INC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* Northern Technologies International Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 665809109 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rul

January 21, 2020 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 17, 2020 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of i

January 8, 2020 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Quarterly Report on Form 10-Q for the fiscal quarter ended November 30, 2019 (File No. 001-11038)

Exhibit 10.1 PNC BANK December 16, 2019 Northern Technologies International Corporation Po Box 69 Circle Pines, MN 55014-1794 Re: Renewal of Expiration Date for that certain $3,000,000.00 Committed Line of Credit ("Line of Credit") extended by PNC Bank, National Association (the "Bank") to NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the "Borrower") We are pleased to inform you that the Line o

January 8, 2020 10-Q

NTIC / Northern Technologies International Corp. 10-Q - Quarterly Report - FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHERN

January 7, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): January 7, 2020 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incorp

January 7, 2020 EX-99.1

Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2020

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2020 MINNEAPOLIS, Jan. 07, 2020 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

December 2, 2019 DEFA14A

NTIC / Northern Technologies International Corp. DEFA14A - - DEFA14A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Stateme

December 2, 2019 DEF 14A

NTIC / Northern Technologies International Corp. DEF 14A - - DEF 14A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Stateme

November 13, 2019 10-K

NTIC / Northern Technologies International Corp. 10-K - Annual Report - FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-11038 NORTHERN TECHNOLOGIE

November 13, 2019 EX-4.2

Filed herewith

Exhibit 4.2 description of common stock of northern technologies international corporation The following summary description of the general terms and provisions of the common stock of Northern Technologies International Corporation is a summary only and, therefore, is not complete and is subject to, and qualified in its entirety by reference to, the terms and provisions of NTIC’s Restated Certific

November 13, 2019 EX-21.1

Filed herewith

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Delaware 60% Same Northern Technologies Holding Company, LLC Delaware 100% Same Natur-Tec India Prívate Limited India 75% Same Natur Tec Lanka (Pvt) Ltd Sri Lanka 75% Same Zerust Prevenção de Corrosão

November 12, 2019 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Fiscal 2019

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Fiscal 2019 MINNEAPOLIS, Nov. 12, 2019 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for the fourth quar

November 12, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 12, 2019 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Inco

October 23, 2019 EX-99.1

Nancy Calderon and Sarah Kemp Join Northern Technologies International Corporation’s Board of Directors

EXHIBIT 99.1 Nancy Calderon and Sarah Kemp Join Northern Technologies International Corporation’s Board of Directors MINNEAPOLIS, Oct. 23, 2019 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today announced that the size of its Board

October 23, 2019 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): October 22, 2019 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incor

October 23, 2019 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on October 23, 2019 (File No. 001-11038)

EdgarFiling Exhibit 10.1 INDEMNIFICATION AGREEMENT THIS INDEMNIFICATION AGREEMENT, made and executed this day of 20, by and between Northern Technologies International Corporation, a Delaware corporation (the “Company”), and , an individual resident of the State of (the “Indemnitee”). WHEREAS, the Company is aware that, in order to induce highly competent persons to serve the Company as directors

October 22, 2019 SC 13D/A

NTIC / Northern Technologies International Corp. / Inter Alia Holding Co - SCHEDULE 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 4)* Northern Technologies International Corporation (Name of Issuer) Common Stock, $0.02 Par Value (Title of Class of Securities) 665809 10 9 (CUSIP Number) G. Patrick Lynch Inter Alia Holding Company c/o Northern Technologies International Corporation 4201 Woodland Roa

July 9, 2019 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2019

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2019 MINNEAPOLIS, July 09, 2019 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

July 9, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): July 9, 2019 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incorpora

July 9, 2019 10-Q

NTIC / Northern Technologies International Corp. 10-Q - Quarterly Report - FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2019 or [] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NORTHERN

June 3, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): June 3, 2019 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incorpora

June 3, 2019 EX-99.1

Northern Technologies International Corporation Declares Two-for-One Stock Split

EXHIBIT 99.1 Northern Technologies International Corporation Declares Two-for-One Stock Split MINNEAPOLIS, June 03, 2019 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported that its Board of Directors has declared a two-for

April 8, 2019 10-Q

NTIC / Northern Technologies International Corp. FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2019 or [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-11038 NO

April 5, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): April 5, 2019 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incorpor

April 5, 2019 EX-99.1

Northern Technologies International Corporation Reports Financial Results For Second Quarter Fiscal 2019

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results For Second Quarter Fiscal 2019 MINNEAPOLIS, April 05, 2019 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for

February 8, 2019 SC 13G/A

NTIC / Northern Technologies International Corp. / PERRITT CAPITAL MANAGEMENT INC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Northern Technologies International Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 665809109 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rul

January 28, 2019 S-8

NTIC / Northern Technologies International Corp. FORM S-8

S-8 1 s1012819.htm FORM S-8 As filed with the Securities and Exchange Commission on January 28, 2019 Registration No. 333- United States SECURITIES AND EXCHANGE cOMMISSION Washington, D.C. 20549 fOrm S-8 registration statement under the securities act of 1933 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction

January 25, 2019 EX-10.3

Incorporated by reference to Exhibit 10.3 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 25, 2019 (File No. 001-11038)

Exhibit 10.3 FORM OF NON-STATUTORY STOCK OPTION AGREEMENT THIS NON-STATUTORY STOCK OPTION AGREEMENT is entered into and effective as of , 20 (the “Date of Grant”), by and between Northern Technologies International Corporation (the “Company”) and (the “Optionee”). A. The Company has adopted the Northern Technologies International Corporation 2019 Stock Incentive Plan (the “Plan”) authorizing the B

January 25, 2019 EX-10.2

Incorporated by reference to Exhibit 10.2 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 25, 2019 (File No. 001-11038)

Exhibit 10.2 FORM OF INCENTIVE STOCK OPTION AGREEMENT THIS INCENTIVE STOCK OPTION AGREEMENT is entered into and effective as of , 20 (the “Date of Grant”), by and between Northern Technologies International Corporation (the “Company”) and (the “Optionee”). A. The Company has adopted the Northern Technologies International Corporation 2019 Stock Incentive Plan (the “Plan”) authorizing the Board of

January 25, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 18, 2019 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of I

January 25, 2019 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 25, 2019 (File No. 001-11038)

Exhibit 10.1 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION 2019 STOCK INCENTIVE PLAN 1. Purpose of Plan. The purpose of the Northern Technologies International Corporation 2019 Stock Incentive Plan (this “Plan”) is to advance the interests of Northern Technologies International Corporation (the “Company”) and its stockholders by enabling the Company and its Subsidiaries to attract and retain qua

January 25, 2019 EX-3.1

Incorporated by reference to Exhibit 3.1 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 25, 2019 (File No. 001-11038)

Exhibit 3.1 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION CERTIFICATE OF VALIDATION OF THE CERTIFICATE OF AMENDMENT TO RESTATED CERTIFICATE OF INCORPORATION Pursuant to Section 204 of the General Corporation Law of the State of Delaware Northern Technologies International Corporation, a Delaware corporation (the “Corporation”), hereby certifies as follows: 1. The defective corporate act that is

January 9, 2019 10-Q

NTIC / Northern Technologies International Corp. FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934- For the transition period from to . Commission File Number: 001-11038 NORTHE

January 9, 2019 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Quarterly Report on Form 10-Q for the fiscal quarter ended November 30, 2018 (File No. 001-11038)

Exhibit 10.1 PNC BANK November 30, 2018 Northern Technologies International Corporation Po Box 69 Circle Pines, MN 55014-0069 Re: Renewal of Expiration Date for that certain $3,000,000.00 Committed Line of Credit ("Line of Credit") extended by PNC Bank, National Association (the "Bank") to NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the "Borrower") We are pleased to inform you that the Line o

January 8, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): January 8, 2019 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of Incorp

January 8, 2019 EX-99.1

Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2019

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2019 MINNEAPOLIS, Jan. 08, 2019 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for t

November 30, 2018 DEF 14A

NTIC / Northern Technologies International Corp. DEF 14A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Stateme

November 30, 2018 DEFA14A

NTIC / Northern Technologies International Corp. DEFA14A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Stateme

November 16, 2018 PRE 14A

NTIC / Northern Technologies International Corp. PRE 14A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Stateme

November 13, 2018 EX-99.1

Northern Technologies International Corporation Reports Record Financial Results for Fiscal 2018

EXHIBIT 99.1 Northern Technologies International Corporation Reports Record Financial Results for Fiscal 2018 MINNEAPOLIS, Nov. 13, 2018 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ: NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for the four

November 13, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 13, 2018 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Inco

November 13, 2018 EX-10.9

Incorporated by reference to Exhibit 10.9 to NTIC’s Annual Report on Form 10-K for the fiscal year ended August 31, 2018 (File No. 001-11038)

Exhibit 10.9 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION NON-EMPLOYEE DIRECTOR COMPENSATION PROGRAM This document describes the compensation to be provided to the non-employee directors of Northern Technologies International Corporation (the “Company”). This program was most recently approved by the Board of Directors of the Company on August 31, 2018. Cash Compensation The Company’s non-emplo

November 13, 2018 10-K

NTIC / Northern Technologies International Corp. FORM 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 001-11038 NORTHERN TECHNOLOG

November 13, 2018 EX-21.1

Filed herewith

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Delaware 60% Same Northern Technologies Holding Company, LLC Delaware 100% Same Natur-Tec India Prívate Limited India 75% Same Zerust Prevenção de Corrosão S.A. Brazil 85% Same NTIC (Shanghai) Co., Lt

July 16, 2018 10-Q

NTIC / Northern Technologies International Corp. FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-11038 NORTHERN TEC

July 12, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): July 12, 2018 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Incorpor

July 12, 2018 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2018

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2018 MINNEAPOLIS, July 12, 2018 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for th

April 16, 2018 10-Q

NTIC / Northern Technologies International Corp. FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934- For the transition period from to . Commission File Number: 001-11038 NORTHE

April 12, 2018 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2018

EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2018 MINNEAPOLIS, April 12, 2018 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for

April 12, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): April 12, 2018 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Incorpo

February 5, 2018 SC 13G/A

NTIC / Northern Technologies International Corp. / PERRITT CAPITAL MANAGEMENT INC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Northern Technologies International Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 665809109 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rul

January 22, 2018 8-K

NTIC / Northern Technologies International Corp. FORM 8-K (Current Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 22, 2018 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of I

January 22, 2018 DEFA14A

NTIC / Northern Technologies International Corp. FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 22, 2018 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of I

January 16, 2018 EX-3.1

Incorporated by reference to Exhibit 3.1 to NTIC’s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 16, 2018 (File No. 001-11038)

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO RESTATED CERTIFICATE OF INCORPORATION OF NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION Northern Technologies International Corporation (hereinafter called the ?Corporation?), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware, does hereby certify: FIRST: The present name of the corporation is No

January 16, 2018 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 12, 2018 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of I

January 12, 2018 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Quarterly Report on Form 10-Q for the fiscal quarter ended November 30, 2017 (File No. 001-11038)

Exhibit 10.1 PNC BANK January 5, 2018 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION PO BOX 69 CIRCLE PINES, MN 55014-0069 Re: Renewal of Expiration Date for that certain $3,000,000.00 Committed Line of Credit ("Line of Credit") extended by PNC Bank, National Association (the "Bank") to NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the "Borrower") Ladies/Gentlemen: We are pleased to inform you

January 12, 2018 10-Q

NTIC / Northern Technologies International Corp. FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2017 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934- For the transition period from to . Commission File Number: 001-11038 NORTHE

January 11, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): January 11, 2018 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Incor

January 11, 2018 EX-99.1

Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2018

EdgarFiling EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2018 MINNEAPOLIS, Jan. 11, 2018 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial re

November 27, 2017 DEFA14A

NTIC / Northern Technologies International Corp. DEFINITIVE ADDITIONAL MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

November 27, 2017 DEF 14A

NTIC / Northern Technologies International Corp. DEFINITIVE PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

November 21, 2017 10-K

NTIC / Northern Technologies International Corp. FORM 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2017 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 001-11038 NORTHERN TECHNOLOG

November 21, 2017 EX-21.1

Filed herewith

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Delaware 60 % Same Northern Technologies Holding Company, LLC Delaware 100 % Same Natur-Tec India Prívate Limited India 90 % Same Zerust Prevenção de Corrosão S.A. Brazil 85 % Same NTIC (Shanghai) Co.

November 21, 2017 EX-10.9

Filed herewith

Exhibit 10.9 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS Overview NTIC uses a combination of cash and long-term equity-based incentive compensation in the form of annual stock option grants to attract and retain qualified non-employee candidates to serve on the Board of Directors. Annual Retainers; Meeting Fees Each non-employee di

November 20, 2017 8-K

NTIC / Northern Technologies International Corp. FORM 8-K (Current Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 20, 2017 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Inco

November 20, 2017 EX-99.2

Northern Technologies International Corporation Initiates $0.10 per Share Quarterly Cash Dividend

EdgarFiling

November 20, 2017 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Fiscal 2017 and Announces Quarterly Dividend

EdgarFiling

November 15, 2017 PRE 14A

NTIC / Northern Technologies International Corp. PRELIMINARY PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

September 21, 2017 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 20, 2017 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of

July 14, 2017 10-Q

NTIC / Northern Technologies International Corp. FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2017 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-11038 NORTHERN TEC

July 13, 2017 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): July 13, 2017 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Incorpor

July 13, 2017 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2017

EdgarFiling EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2017 MINNEAPOLIS, July 13, 2017 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial re

April 11, 2017 10-Q

Northern Technologies International FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2017 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-11038 NORTHER

April 6, 2017 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): April 6, 2017 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Incorpor

April 6, 2017 EX-99

Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2017

EdgarFiling EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2017 MINNEAPOLIS, April 06, 2017 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial

February 14, 2017 SC 13G/A

NTIC / Northern Technologies International Corp. / PERRITT CAPITAL MANAGEMENT INC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Northern Technologies International Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 665809109 (CUSIP Number) December 31, 2016 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rul

January 17, 2017 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 13, 2017 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of I

January 17, 2017 10-Q

Northern Technologies International FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2016 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-11038 NORTHER

January 17, 2017 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Quarterly Report on Form 10-Q for the fiscal quarter ended November 30, 2016 (File No. 001-11038)

Exhibit 10.1 PNC BANK January 3, 2017 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION PO BOX 69 CIRCLE PINES, MN 55014-0069 Re: Renewal of Expiration Date for that certain $3,000,000.00 Committed Line of Credit ("Line of Credit") extended by PNC Bank, National Association (the "Bank") to NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the "Borrower") Ladies/Gentlemen: We are pleased to inform you

January 17, 2017 EX-10.2

Incorporated by reference to Exhibit 10.2 to NTIC’s Quarterly Report on Form 10-Q for the fiscal quarter ended November 30, 2016 (File No. 001-11038)

Exhibit 10.2 CONSULTING AGREEMENT This Consulting Agreement (this ?Agreement?) is made effective as of the 11th day of January, 2017 (?Effective Date?) by and among Northern Technologies International Corporation, a Delaware corporation, located at 4201 Woodland Road, Circle Pines, MN 55014 (?NTIC?), BioPlastic Polymers LLC, a Michigan limited liability company, located at 4275 Conifer Circle, Oke

January 12, 2017 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): January 12, 2017 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Incor

January 12, 2017 EX-99.1

Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2017

EdgarFiling EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2017 MINNEAPOLIS, Jan. 12, 2017 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial re

November 28, 2016 DEFA14A

Northern Technologies International DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

November 28, 2016 DEF 14A

Northern Technologies International DEFINITIVE PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

November 22, 2016 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Delaware 60% Same Northern Technologies Holding Company, LLC Delaware 100% Same Natur-Tec India Pr?vate Limited India 90% Same Zerust Preven??o de Corros?o S.A. Brazil 85% Same NTIC (Shanghai) Co., Lt

November 22, 2016 10-K

Northern Technologies International FORM 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark one) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2016 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 001-11038 NORTHERN TECHNOLOG

November 22, 2016 EX-10.9

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS

Exhibit 10.9 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS Overview NTIC uses a combination of cash and long-term equity-based incentive compensation in the form of annual stock option grants to attract and retain qualified non-employee candidates to serve on the Board of Directors. Annual Retainers; Meeting Fees Each non-employee di

November 15, 2016 EX-99.1

Northern Technologies International Corporation Reports Financial Results For Fiscal 2016

EdgarFiling EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results For Fiscal 2016 MINNEAPOLIS, Nov. 15, 2016 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial results for the

November 15, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 15, 2016 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Inco

July 18, 2016 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2016 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of inco

July 18, 2016 EX-99.1

EX-99.1

Exhibit 99.1

July 11, 2016 10-Q

Northern Technologies International FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2016 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-11038 NORTHERN TEC

July 7, 2016 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): July 7, 2016 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Incorpora

July 7, 2016 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2016

EdgarFiling EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Third Quarter Fiscal 2016 MINNEAPOLIS, July 07, 2016 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial re

April 11, 2016 10-Q

Northern Technologies International FORM 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 29, 2016 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-11038 NORTHER

April 11, 2016 EX-10.1

Incorporated by reference to Exhibit 10.1 to NTIC’s Quarterly Report on Form 10-Q for the fiscal quarter ended February 29, 2016 (File No. 001-11038)

Exhibit 10.1 Amendment to Loan Documents THIS AMENDMENT TO LOAN DOCUMENTS (this ?Amendment?) is made as of January 6, 2016, by and between NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (the ?Borrower?), and PNC BANK, NATIONAL ASSOCIATION (the ?Bank?). BACKGROUND A. The Borrower has executed and delivered to the Bank (or a predecessor which is now known by the Bank?s name as set forth above), one

April 7, 2016 EX-99.1

Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2016

EdgarFiling EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for Second Quarter Fiscal 2016 MINNEAPOLIS, April 07, 2016 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC), a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today reported its financial

April 7, 2016 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): April 7, 2016 Northern Technologies International Corporation (Exact Name of Registrant as Specified in Charter) DELAWARE 001-11038 41-0857886 (State or Other Jurisdiction of Incorpor

February 4, 2016 SC 13G/A

Northern Technologies International 3G/A (Passive Acquisition of More Than 5% of Shares)

cg684.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Northern Technologies International Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 665809109 (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designa

January 15, 2016 EX-99.1

EX-99.1

Exhibit 99.1

January 15, 2016 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 15, 2016 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or Other Jurisdiction of I

January 15, 2016 8-K

Northern Technologies International FORM 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 15, 2016 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of i

January 11, 2016 10-Q

NTIC / Northern Technologies International Corp. 10-Q - Quarterly Report - FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2015 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-11038 NORTHER

January 7, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 7, 2016 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-11038 41-0857886 (State or other jurisdiction of in

January 7, 2016 EX-99.1

Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2016

EdgarFiling EXHIBIT 99.1 Northern Technologies International Corporation Reports Financial Results for First Quarter Fiscal 2016 MINNEAPOLIS, Jan. 07, 2016 (GLOBE NEWSWIRE) - Northern Technologies International Corporation (NASDAQ:NTIC) today reported its financial results for the first quarter of fiscal 2016. Highlights of NTIC?s financial and operating results include: NTIC?s consolidated net sa

December 3, 2015 DEFA14A

Northern Technologies International DEFINITIVE ADDITIONAL MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

December 3, 2015 DEF 14A

Northern Technologies International DEFINITIVE PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

November 13, 2015 EX-10.6

Incorporated by reference to Exhibit 10.6 to NTIC’s Annual Report on Form 10-K for the fiscal year ended August 31, 2015 (File No. 001-11038)

Exhibit 10.6 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION MATERIAL TERMS OF ANNUAL BONUS PLAN The material terms of the Northern Technologies International Corporation annual bonus plan for executive officers and certain other employees are set forth in resolutions approved by the Compensation Committee and are not otherwise set forth in any written formal plan or individual agreements between

November 13, 2015 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary State or Other Jurisdiction of Incorporation or Organization Ownership Interest Names Under Which Subsidiary Does Business NTI ASEAN LLC Delaware 60% Same Northern Technologies Holding Company, LLC Delaware 100% Same Natur-Tec India Private Limited India 90% Same Zerust Preven??o de Corros?o S.A. Brazil 85% Same NTIC (Shanghai) Co., Lt

November 13, 2015 EX-10.9

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS

Exhibit 10.9 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION DESCRIPTION OF NON-EMPLOYEE DIRECTOR COMPENSATION ARRANGEMENTS Overview NTIC?s non-employee directors currently consist of Barbara D. Colwell, Soo Keong Koh, Ph.D., Sunggyu Lee, Ph.D., Ramani Narayan, Ph.D., Richard J. Nigon and Konstantin von Falkenhausen. NTIC uses a combination of cash and long-term equity-based incentive compensation

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