CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-1 (File Nos. 333- 226841, 333-233722, 333-251187 and 333-252482), Form S-8 (File Nos. 333-171181 and 333-207950) and Form S-3 (File Nos. 333-230742 and 333-221126) of our report dated March 31, 2021 (which report expresses an unqualified opinion and includes an explanatory paragraph expressing substantial doubt about the Company’s ability to continue as a going concern) relating to the financial statements of Titan Pharmaceuticals, Inc., which appears in this Annual Report on Form 10-K.
|/s/ OUM & CO. LLP|
|San Francisco, California|
|March 31, 2021|