In the opinion of management, the accompanying unaudited consolidated financial statements contain all necessary adjustments, which are of a normal recurring nature, and present fairly the consolidated financial position of Northern Technologies International Corporation and its subsidiaries (the Company) as of May 31, 2026 and August 31, 2025, the results of the Company’s operations for the three and nine months ended May 31, 2026 and 2025, the changes in stockholders’ equity for the three and nine months ended May 31, 2026 and 2025, and the Company’s cash flows for the nine months ended May 31, 2026 and 2025, in conformity with accounting principles generally accepted in the United States of America (U.S. GAAP).

These consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes contained in the Company’s annual report on Form 10-K for the fiscal year ended August 31, 2025. These consolidated financial statements also should be read in conjunction with the “Management’s Discussion and Analysis of Financial Condition and Results of Operations” section appearing in this report.

Operating results for the three and nine months ended May 31, 2026 are not necessarily indicative of the results that may be expected for the full fiscal year ending August 31, 2026.

The Company identified immaterial prior period classification errors related to the classification of selling expenses and general and administrative expenses in its consolidated statements of operations for the three and nine months ended May 31, 2025. For the three and nine months ended May 31, 2025, $217,270 and $555,484, respectively, were reclassified from general and administrative expenses to selling expenses. These changes had no impact on the Company’s results of operations, cash flows or financial position for the three and nine months ended May 31, 2025.

The Company has evaluated events occurring after the date of these consolidated financial statements through the date July 9, 2026 for events requiring disclosure in these consolidated financial statements.