Exhibit 16.1
March 21, 2019
Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Ladies and Gentlemen:
We have read United-Guardian, Inc.’s statements included under Item 4.01(a) of its Form 8-K dated March 21, 2019 to be filed with the Securities and Exchange Commission. We agree with the statements concerning our firm contained therein.
Very truly yours,
/s/ Raich Ende Malter & Co. LLP