FREE WRITING PROSPECTUS

FILED PURSUANT TO RULE 433

REGISTRATION FILE NO.: 333-206677-14

From: WELLS ABF SYNDICATE WELLS FARGO (WELLS FARGO SECURITI)

At: 03/23/17 12:08:09

WELLS FARGO COMMERCIAL MORTGAGE TRUST 2017-RB1 - PUBLIC NEW ISSUE **IO LAUNCH** $531.482 MM FIXED-RATE CMBS OFFERING

CO-LEAD MANAGERS
& JOINT BOOKRUNNERS:	WELLS FARGO SECURITIES, LLC
	BARCLAYS CAPITAL INC.
	SG AMERICAS SECURITIES, LLC
	UBS SECURITIES LLC
CO-MANAGER:	ACADEMY SECURITIES, INC.

OFFERED CERTIFICATES - PUBLIC

CLASS	DBRS/FITCH/MDYS	SIZE($MM)	PROCEEDS($MM)	LAUNCH
X-A	AAA(sf)/AAAsf/Aaa(sf)	423.974	~$42.4	T+130
X-B	A(sf)/A-sf/NR	107.508	~$7.0	T+120

NON-OFFERED CERTIFICATES - PRIVATE (144A)

CLASS	DBRS/FITCH/MDYS	SIZE($MM)	C/E	WAL	CUM LTV	NOI DY
X-D	BBB(sf)/BBB-sf/NR	31.798	N/A	N/A	N/A	N/A
D	BBB(low)(sf)/BBB-sf/NR	31.798	7.000%	9.96	52.5%	11.5%

NON-OFFERED ELIGIBLE VERTICAL INTEREST

CLASS	DBRS/FITCH/MDYS	SIZE($MM)	C/E	WAL	CUM LTV	NOI DY
RR	NR/NR/NR	31.878	N/A	N/A	N/A	N/A

COLLATERAL SUMMARY

INITIAL POOL BALANCE:	$637,555,685
NUMBER OF LOANS:	37
NUMBER OF PROPERTIES:	72
WA CUT-OFF LTV:	56.5%
WA BALLOON LTV:	52.6%
WA U/W NCF DSCR:	1.82x
WA U/W NOI DEBT YIELD:	10.7%
WA MORTGAGE RATE:	4.748%
TOP TEN LOANS %:	57.0%
WA REM TERM TO MATURITY (MOS):	117
WA REM AMORTIZATION TERM (MOS):	354
WA SEASONING (MOS):	1
LOAN SELLERS:	BARCLAYS(31.7%), WFB(27.2%), UBSAG(26.8%), SG(14.3%)
TOP 3 PROPERTY TYPES:	OFFICE(49.8%), RETAIL(18.8%), HOSPITALITY(10.3%)
TOP 5 STATES:	CA(27.4%), NY(15.9%), MA(8.6%), GA(5.8%), TX(5.7%)
MASTER SERVICER:	WELLS FARGO BANK, NATIONAL ASSOCIATION
SPECIAL SERVICER:	C-III ASSET MANAGEMENT LLC
DIRECTING CERTIFICATEHOLDER:	C-III INVESTMENT MANAGEMENT LLC

DOCUMENTS & TIMING

TERM SHEET, ANNEX A-1:	ATTACHED
PRELIMINARY PROSPECTUS:	ATTACHED
PRESALE REPORTS:	TODAY & TOMORROW
ANTICIPATED PRICING:	TODAY AT 1PM
ANTICIPATED SETTLEMENT:	MARCH 30, 2017

ROADSHOW

NEW YORK 1x1's:	WED, 3/15
MINNEAPOLIS, BREAKFAST:	THURS, 3/16 @ 7:30AM CT, THE GRAND HOTEL
HARTFORD, BREAKFAST:	THURS, 3/16 @ 8:30AM ET, MAX'S DOWNTOWN
BOSTON, LUNCH:	THURS, 3/16 @ 12:00PM ET, RITZ-CARLTON
DES MOINES,LUNCH:	THURS, 3/16 @ 1:30PM CT, MARRIOTT DOWNTOWN
CONFERENCE CALLS:	UPON DEMAND

PRE-RECORDED GLOBAL INVESTOR CALL: WWW.NETROADSHOW.COM REVIEW CODE: 2017RB1 (not case-sensitive) FINAL LINK: www.netroadshow.com/nrs/wp/default.html?show=8d9b09

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. 333-206677) 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 emailing wfs.cmbs@wellsfargo.com.

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