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IDLAND
L
OAN
S
ERVICES

March 23, 2005
Via UPS
(410) 884-2194

Ms. Jennifer Richardson
Wells Fargo Bank, N.A. Corporate Trust Services 9062 Old Annapolis Road Columbia, MD USA  21045-1951
Deutsche Mortgage & Asset Receiving Corp., Commercial Mortgage Pass-
Through Certificates, Series COMM 2004-LNB4
Pooling and Servicing Agreement

OFFICER'S CERTIFICATE

Pursuant to the requirements of that certain Pooling and Servicing Agreement governing the referenced Trust (the "PSA"), it is hereby certified that (i) the undersigned has completed a review of the servicer's performance of its obligations under the PSA for the preceding calendar year; (ii) to the best of the undersigned's knowledge on the basis of that review the servicer has fulfilled all of its obligations under the PSA throughout such period in all material respects; (iii) to the best of the undersigned's knowledge, the subservicer, of the servicer under the PSA, if any, has fulfilled its obligations under its sub-servicing agreement in all material respects; and, (iv) no
notice has been received from any governmental agency or body which would indicate a challenge or question as to the status of the Trust's qualification as a REMIC under the U.S. Code. /s/ Steven W. SmithSteven W. Smith

Executive Vice President 3/23/05 Date

A member of The PNC Financial Services Group10851 Mastin Suite 300 Overland Park Kansas 66210 www.midlandls.com
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Mr. Frank C. Forelle ABN AMRO 55 E 52nd St, 6th Floor New York, New York 10055 Ms. Anna Glick Cadwalader, Wickersham & Taft One World Financial Center
New York, NY 10281-0000 Mr. Paul P. Vanderslice Citigroup Global Markets Inc. 388 Greenwich St, 11th Floor New York, New York 10013
Mr. Jeff Paige Vice President Deutsche Bank Securities Inc. 60 Wall Street New York, NY 10005
Ms. Helaine M. Kaye Deutsche Mortgage & Asset Receiving Corporation 60 Wall Street New York, NY 100050000 Mr. Charles Lee J.P. Morgan Chase Commercial Mortgage Securities Corp. 270 Park Avenue New York, NY 10017-0000
Ms. Barbara L. Marik First Vice President LaSalle Bank National Association 135 South LaSalle Street, Suite 1625 Chicago, IL 60603-0000                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|Attn: Commercial Mortgage Surveillance
Moody's Investor Services, Inc. 99 Church Street, 4th Floor New York, NY 10007-0000  Mr. Dante LaRocca Nomura Asset Capital Corporation Nomura Asset Securities Corporation Two World Financial Center, Bldg B 22nd Floor
New York, NY 10281-0000 Attn: CMBS Surveillance Standard & Poor's Ratings Services 55 Water Street, 41st Floor New York, NY 10041-0000

Deutsche Mortgage Asset & Receiving Corp., Commercial Mortgage Pass-Through Certificates, Series COMM 2004-LNB4                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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