EXHIBIT 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
June 20, 2024
To the Benefits Administration Committee
BMO Financial Corp.
We consent to the incorporation by reference in Registration Statement No. 333-177579 of Bank of Montreal on Form S-8 of our report dated June 20, 2024, appearing in this Annual Report on Form 11-K of the BMO 401(k) Savings Plan as of, and for the year ended, December 31, 2023.
/s/ GJC CPA’S & ADVISORS
Chicago, Illinois
| Bank America Tower | PNC Center | |||
| 110 N. Wacker Drive | 201 E. 5th Street | 1001 Woodward Avenue | ||
| Suite 2500 | Suite 1900-1239 | Suite 850 | ||
| Chicago, Illinois 60606 | Cincinnati, Ohio 45202 | Detroit, Michigan 48226 | ||
| Tel: (872) 465-1330 | Tel: (513) 766-9415 | Tel: (313) 965-2655 | ||
| Fax: (833) 452-2727 | Fax: (833) 452-2727 | Fax: (833) 452-2727 |
An Independent Member of the BDO Alliance USA