EX-23.1 2 ex231ot2018consentplan2.htm EXHIBIT 23.1 - OLSEN THIELEN AUDITOR CONSENT Exhibit
Exhibit 23.1

Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in Registration Statements (No. 333-74634, No. 333-105986, No. 333-105998, No. 333-161988, No. 333-179933 and No. 333-204120) of Schweitzer-Mauduit International, Inc. on Form S-8 of our report dated July 11, 2019, with respect to the financial statements and supplemental schedule of SWM Retirement Savings Plan II, appearing in this Annual Report on Form 11-K of SWM Retirement Savings Plan II for the year ended December 31, 2018.

/s/ Olsen Thielen & Co., Ltd.

Roseville, Minnesota
July 11, 2019