FREE WRITING PROSPECTUS

FILED PURSUANT TO RULE 433

REGISTRATION FILE NO.: 333-172366-13

From: Wells Abf Syndicate Wells Fargo (WELLS FARGO SECURITI)

Subject: Fwd:NEW ISSUE CMBS: WFRBS 2014-C20 PUBLIC *IO GUIDANCE*

WFRBS COMMERCIAL MORTGAGE TRUST 2014-C20 - PUBLIC NEW ISSUE *GUIDANCE*

CO-LEAD MANAGERS & JT BOOKRUNNERS: WELLS FARGO SECURITIES AND RBS

CO-MANAGER: DEUTSCHE BANK SECURITIES

OFFERED CERTIFICATES - PUBLIC

CLASS	DBRS/KBRA/MDY	$SIZE(MM)	~$PROCEEDS	GUIDANCE
X-A	AAA(sf)/AAA(sf)/Aaa(sf)	938.754	~$75.6mm	140A
X-B	AAA(sf)/AAA(sf)/NR	223.736	~$11.7mm	140A

COLLATERAL SUMMARY

CUT-OFF DATE BALANCE: $1,251,672,501

NUMBER OF LOANS: 98

NUMBER OF PROPERTIES: 142

WA CUT-OFF LTV: 64.7%

WA BALLOON LTV: 55.1%

WA U/W DSCR: 1.83x

WA U/W NOI DEBT YIELD: 12.2%

WA MORTGAGE RATE: 4.871%

TOP TEN LOANS %: 46.9%

WA TERM TO MATURITY (MOS): 114

WA AMORTIZATION TERM (MOS): 351

WA SEASONING (MOS): 1

LOAN SELLERS: WFB (30.5%), RBS (26.3%), RMF (25.5%),

C-III (6.4%), LIG I (5.0%), NCB (3.6%),

BASIS (2.8%)

TOP 5 PROPERTY TYPES: RETAIL (33.2%), HOSPITALITY (18.7%),

MULTIFAMILY (15.3%), OFFICE (15.0%),

OTHER (7.0%)

TOP 5 STATES: NJ(14.9%), TX(14.4%), NY(14.1%), CA(9.9%), MD(5.5%)

MASTER SERVICERS: WELLS FARGO BANK, NATIONAL ASSOCIATION AND NCB, FSB

SPECIAL SERVICERS: RIALTO CAPITAL ADVISORS, LLC AND NCB, FSB

SUBORDINATE CLASS REP: RIALTO CMBS II, LLC OR AN AFFILIATE OF RIALTO CAPITAL ADVISORS, LLC

ANTICIPATED PRICING: Thursday

ANTICIPATED SETTLEMENT: MAY 13, 2014

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. 333-172366) 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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If this communication relates to an offering of US registered securities (i) a registration statement has been filed with the SEC, (ii) before investing you should read the filed documents, and (iii) you many obtain these documents from your sales representative, by calling 1-800-326-5897 or visiting www.sec.gov. If this communication relates to a securities offering exempt from US registration, you should contact your sales representative for the complete disclosure package. For information regarding Wells Fargo, see

https://www.wellsfargo.com/com/disclaimer/wfid3. In Japan, see:

https://www.wellsfargo.com/com/disclaimer/wfsjb4.