FREE WRITING PROSPECTUS

FILED PURSUANT TO RULE 433

REGISTRATION FILE NO.: 333-207132-15

From: Citi Cmbs Syndicate (CITIGROUP GLOBAL MAR)

At: 10/20/17 13:20:29

CGCMT 2017-C4 -- X-B Final Pricing Details (Public)

Co-Lead Managers and Joint Bookrunners:	Citigroup Global Markets, Cantor Fitzgerald & Co., and Deutsche Bank Securities
Co-Manager:	Academy Securities

Class	Moody's/Fitch/KBRA	Size($mm)	Spread	Coupon	Yield	Price
X-B	NR/A-sf/AAA(sf)	85.493	T+112.7	0.381	3.493	2.61515

Collateral Summary
Initial Pool Balance:	$977,059,894
Number of Mortgage Loans:	57
Number of Mortgaged Properties:	95
Average Cut-off Date Mortgage Loan Balance:	$17.141mm
Weighted Average Mortgage Interest Rate:	4.46836%
Weighted Average Remaining Term to Maturity/ARD (months):	112
Weighted Average Remaining Amortization Term (months):	353
Weighted Average Cut-off Date LTV Ratio:	59.1%
Weighted Average Maturity Date/ARD LTV Ratio:	54.4%
Weighted Average Underwritten Debt Service Coverage Ratio:	1.89x
Weighted Average Debt Yield on Underwritten NOI:	10.9%
% of Mortgaged Properties with Single Tenants:	16.3%
% of Mortgage Loans with Mezzanine or Subordinate Debt:	15.1%

Property Type: 27.8% Office, 25.0% Retail, 13.8% Mixed Use, 18.8% Hospitality, 2.2% Industrial, 7.1% Multifamily, 0.9% Self Storage, 3.4% Manufactured Housing

Top 5 States: 20.6% CA, 11.3% NY, 10.2% MA, 5.3% NV, 5.1% DC

Risk Retention:	Horizontal
Master Servicer:	Midland Loan Services, a Division of PNC Bank, National Association
Special Servicer:	Midland Loan Services, a Division of PNC Bank, National Association
Operating Advisor:	Park Bridge Lender Services LLC
Controlling Class Rep:	KKR Real Estate Credit Opportunity Partners Aggregator I L.P.
Trustee:	Wilmington Trust, National Association
Cert. Administrator:	Citibank, N.A.
Anticipated Closing:	October 31, 2017

THIS FREE WRITING PROSPECTUS MAY BE AMENDED OR SUPPLEMENTED PRIOR TO TIME OF SALE IMPORTANT NOTICE REGARDING THIS OFFERING OF ASSET-BACKED SECURITIES THE SECURITIES OFFERED BY THESE MATERIALS ARE BEING OFFERED WHEN, AS AND IF ISSUED. THIS FREE WRITING PROSPECTUS IS NOT AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO BUY THESE SECURITIES IN ANY STATE OR OTHER JURISDICTION WHERE SUCH OFFER, SOLICITATION OR SALE IS NOT PERMITTED. THESE SECURITIES DO NOT REPRESENT AN INTEREST IN OR OBLIGATION OF THE DEPOSITOR, THE SPONSORS, THE ORIGINATORS, THE MASTER SERVICER, THE SPECIAL SERVICER, THE TRUSTEE, THE CERTIFICATE ADMINISTRATOR, THE OPERATING ADVISOR, THE ASSET REPRESENTATIONS REVIEWER, THE CONTROLLING CLASS REPRESENTATIVE, THE COMPANION LOAN HOLDERS (OR THEIR REPRESENTATIVES), THE UNDERWRITERS OR ANY OF THEIR RESPECTIVE AFFILIATES. NEITHER THESE SECURITIES NOR THE MORTGAGE LOANS ARE INSURED OR GUARANTEED BY ANY GOVERNMENTAL AGENCY OR INSTRUMENTALITY OR PRIVATE INSURER.

STATEMENT REGARDING THIS FREE WRITING PROSPECTUS
The depositor has filed a registration statement (including a prospectus) with the Securities and Exchange Commission (“SEC”) (SEC File No. 333-207132) 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 website at http://www.sec.gov. Alternatively, the depositor, Citigroup Global Markets Inc., Deutsche Bank Securities Inc., Cantor Fitzgerald & Co., Academy Securities, Inc. or any other underwriter or dealer participating in this offering will arrange to send you the prospectus if you request it by calling toll-free 1-800-831-9146.

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