FREE WRITING PROSPECTUS

FILED PURSUANT TO RULE 433

REGISTRATION FILE NO.: 333-206677-26

BANK 2018-BNK13 - PUBLIC NEW ISSUE

**PRICE GUIDANCE** $801.676MM FIXED-RATE CMBS OFFERING

CO-LEAD MANAGERS
& JOINT BOOKRUNNERS:	WELLS FARGO SECURITIES, LLC
	MORGAN STANLEY & CO. LLC
	BOFA MERRILL LYNCH
CO-MANAGER:	ACADEMY SECURITIES, INC.
	DREXEL HAMILTON

OFFERED CERTIFICATES - PUBLIC

CLASS	DBRS/FITCH/S&P	SIZE($MM)	C/E	WAL	GUIDANCE
A-1	AAA(sf)/AAAsf/AAA(sf)	63.326	30.000%	2.49	IS+ 30A
A-2	AAA(sf)/AAAsf/AAA(sf)	73.996	30.000%	4.84	IS+ 43A
A-3	AAA(sf)/AAAsf/AAA(sf)	9.903	30.000%	8.75	N/A
A-SB	AAA(sf)/AAAsf/AAA(sf)	35.858	30.000%	6.74	IS+ 73A
A-4*	AAA(sf)/AAAsf/AAA(sf)	200.000	30.000%	9.78	N/A
A-5*	AAA(sf)/AAAsf/AAA(sf)	244.803	30.000%	9.90	IS+ 87A
A-S	AAA(sf)/AAAsf/AA+(sf)	86.334	20.375%	9.95	IS+ 110A
B	AA(sf)/AA-sf/AA-(sf)	49.334	14.875%	9.95	IS+ 125A
C	A(low)(sf)/A-sf/NR	38.122	10.625%	9.95	IS+ 160A

*Sizes and WAL’s are subject to change as detailed in the attached Term Sheet.

NON-OFFERED CERTIFICATES - PRIVATE (144A)

CLASS	DBRS/FITCH/S&P	SIZE($MM)	C/E	WAL	CUM LTV	NOI DY
X-D	BBB(sf)/BBB-sf/NR	41.485	N/A	N/A	N/A	N/A
D	BBB(low)(sf)/BBB-sf/NR	41.485	6.000%	9.99	51.2%	14.1%

NON-OFFERED ELIGIBLE VERTICAL INTEREST

CLASS	DBRS/FITCH/S&P	SIZE($MM)	C/E	WAL	CUM LTV	NOI DY
RR	NR/NR/NR	47.209	N/A	8.81	N/A	N/A

COLLATERAL SUMMARY
INITIAL POOL BALANCE:	$944,189,953
NUMBER OF LOANS:	62
NUMBER OF PROPERTIES:	80
WA CUT-OFF LTV:	54.4%
WA BALLOON LTV:	48.3%
WA U/W NCF DSCR:	2.28x
WA U/W NOI DEBT YIELD:	13.3%
WA MORTGAGE RATE:	4.557%
TOP TEN LOANS %:	57.2%
WA REM TERM TO MATURITY (MOS):	110
WA REM AMORTIZATION TERM (MOS):	299
WA SEASONING (MOS):	2
LOAN SELLERS:	MSMCH(31.7%), BANA(31.3%), WFB(29.9%), NCB(7.1%)
TOP 3 PROPERTY TYPES:	OFFICE(37.7%), RETAIL(34.6%), MULTIFAMILY(11.1%)
TOP 5 STATES:	NY(29.0%), CA(11.7%), FL(10.5%), NV(7.2%), OH(5.9%)
MASTER SERVICERS:	WELLS FARGO BANK, NATIONAL ASSOCIATION AND NATIONAL COOPERATIVE BANK, N.A.
SPECIAL SERVICERS:	TORCHLIGHT LOAN SERVICES, LLC AND NATIONAL COOPERATIVE BANK, N.A.
DIRECTING CERTIFICATEHOLDER:	TORCHLIGHT INVESTORS, LLC
DOCUMENTS & TIMING
TERM SHEET, ANNEX A-1:	ATTACHED
PROSPECTUS:	ATTACHED
PRESALE REPORTS:	AVAILABLE
ANTICIPATED PRICING:	WEEK OF JULY 23, 2018
ANTICIPATED SETTLEMENT:	AUGUST 2, 2018
ROADSHOW
HARTFORD, BREAKFAST:	WED, 7/18 @ 8:30AM ET, MAX DOWNTOWN RESTAURANT
BOSTON, LUNCH:	WED, 7/18 @ 12:00PM ET, RITZ CARLTON
MINNEAPOLIS, BREAKFAST:	THURS, 7/19 @ 7:30AM CT, KIMPTON GRAND HOTEL
DES MOINES, LUNCH:	THURS, 7/19 @ 1:00PM CT, THE DES LUX HOTEL
CONFERENCE CALLS:	UPON DEMAND

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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