Phillip MD Frost Et Al SC 13D NOCOPI / FROST PHILLIP MD ET AL ownership change

Exhibit 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing, along with all other such undersigned, on behalf of the Reporting Persons (as defined in the joint filing), of a statement on Schedule 13D (including amendments thereto) with respect to Nocopi Technologies, Inc., a Maryland corporation, and that this agreement be included as an Exhibit 1 to such joint filing. This agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument. The undersigned acknowledge that each shall be responsible for the timely filing of any amendments, and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

Date: September 15, 2023

By:	/s/ Phillip Frost, M.D.
	Name: Phillip Frost, M.D.

Frost Gamma Investments Trust
By:	/s/ Phillip Frost, M.D.
	Phillip Frost, M.D.
	Trustee