| | FREE WRITING PROSPECTUS |
| | FILED PURSUANT TO RULE 433 |
| | REGISTRATION FILE NO.: 333-226486-08 |
NEW ISSUE CMBS: WFCM 2019-C52 **IO Pricing Spots**
Treasuries
Wells Fargo Commercial Mortgage Securities, Inc., as depositor, has filed a registration statement (including a prospectus) with the Securities and Exchange Commission (‘‘SEC’’) (SEC File No. 333-226486) for the offering to which this communication relates. Before you invest, you should read the prospectus in the registration statement and other documents the depositor has filed with the SEC for more complete information about the depositor, the issuing entity and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the depositor, any underwriter, or any dealer participating in the offering will arrange to send you the prospectus after filing if you request it by calling toll free 1-800-745-2063 (8 a.m. - 5 p.m. EST) or by emailingwfs.cmbs@wellsfargo.com.