CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
As independent registered public accountants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-3 and related Prospectus, of our report dated March 28, 2019, relating to the consolidated financial statements of Aridis Pharmaceuticals, Inc. included in its Annual Report on Form 10-K for the year ended December 31, 2018, which report includes an explanatory paragraph relating to the uncertainty of the Company's ability to continue as a going concern. We also consent to the reference to our Firm under the caption "Experts" in the Prospectus, which is part of said Registration Statement.
/s/ Mayer Hoffman McCann P.C.
San Diego, California
September 3, 2019
