NORTHERN TECHNOLOGIES INTERNATIONAL CORP — Director's Dealing 2017

Sep 5, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)
CIK: 0000875582
Period of Report: 2017-09-01

Reporting Person: LYNCH G PATRICK (Director, President and CEO, 10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-09-01	Stock Option (right to buy)	$18.35	A	5852	Acquired	2027-08-31	Common Stock (5852)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	37052	Direct
Common Stock	601668	Indirect

Footnotes

F1: These shares are held directly by Inter Alia Holding Company of which G. Patrick Lynch is an officer and stockholder. Mr. G. Patrick Lynch
disclaims beneficial ownership of the shares held by Inter Alia Holding Company, except to the extent of his pecuniary interest therein.

F2: This option vests with respect to 1,951 shares on each of September 1, 2018 and September 1, 2019 and with respect to 1,950 shares on September 1, 2020.