UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) December 17, 2004

Structured Asset Securities Corporation II
(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction
of incorporation)

333-111598-04
(Commission
File Number)

82-0569805
(IRS Employer
Identification No.)

745 Seventh Avenue, New York, New York
(Address of principal executive offices)

10019
(Zip Code)

Registrant's telephone number, including area code 212-526-7000

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Section 8 - Other Events

Item 8.01. Other Events.

This current report on Form 8-K relates to the monthly distribution reported to the holders of LB-UBS Commercial Mortgage Trust 2004-C6, Commercial Mortgage Pass-Through Certificates, Series 2004-C6, which was made on December 17, 2004.

Section 9 - Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits.

99.1 Monthly distribution report pursuant to section 4.02 of the Pooling and Servicing Agreement for the distribution on December 17, 2004.

(Exhibit No. Description)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

LASALLE BANK NATIONAL ASSOCIATION, IN ITS CAPACITY AS TRUSTEE UNDER THE POOLING AND SERVICING AGREEMENT ON BEHALF OF STRUCTURED ASSET SECURITIES CORPORATION II, REGISTRANT

By: /s/ Russell Goldenberg
Russell Goldenberg
Group Senior Vice President

Date: December 22, 2004

LB-UBS Commercial Mortgage Trust

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Reporting Package Table of Contents

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Administrator:

Richard LaVigne 312.904.4207
richard.lavigne@abnamro.com

Analyst:

David Ratner 714.259.6251
david.ratner@abnamro.com

Statement Date:

135 S. LaSalle Street, Suite 1625
Chicago, IL 60603
USA

Statements to Certificateholders
Cash Reconciliation Summary
Bond Interest Reconciliation
Shortfall Summary Report

Asset-Backed Facts ~ 15 Month Loan Status Summary

Asset-Backed Facts ~ 15 Month Loan Payoff/Loss Summary
Mortgage Loan Characteristics

Loan Level Detail
Realized Loss Detail
Historical REO Report

Page 2-4
Page 5-7
Page 8
Page 9

Page 10

Page 11
Page 12-14

Page 15-19
Page 20

Page 21

Appraisal Reduction Detail

Modified Loan Detail
Specially Serviced (Part I) - Loan Detail
Summary of Loan Maturity Extensions

Rating Information

Page 22

Page 23
Page 24
Page 25

Page 26-27

Page(s)

Information is available for this issue from the following sources

Issue Id:

Monthly Data File
Name:

LUBS04C6

LUBS04C6_200412_3.ZIP

Closing Date:

First Payment Date:

Rated Final Payment: Date:

24-Aug-04
17-Sep-04

17-Aug-22

Parties to The Transaction

Depositor: Structured Asset Securities Corporation II

Underwriter: Lehman Brothers Inc./UBS Asset Securitization Corp.

Master Servicer: Wachovia Bank, National Association

Special Servicer: Lennar Partners, Inc.

Rating Agency: Moody's Investors Service, Inc./Standard & Poor's

800.246.5761

LaSalle Factor Line

LaSalle Web Site

Servicer Web Site

www.wachovia.com

www.etrustee.net

Page 1 of 27

Class

CUSIP

Original

Opening

Principal

Negative

Closing

Interest

Pass-Through

Per $ 1000

Next Rate(3)

WAC:
WAMM:

Payment Date:
Prior Payment:
Next Payment:
Record Date:

5.552034%

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

LB-UBS Commercial Mortgage Trust

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

157

REMIC III

Statement Date:

ABN AMRO Acct: 722005.1

982.338879744

6.561659615

0.000000000

975.777220128

3.177047692

Fixed

0.00

0.000000000

3.88100000%

0.000000000

52108HJ47

A-1

78,000,000.00

76,622,432.62

511,809.45

0.00

76,110,623.17

247,809.72

1000.000000000

0.000000000

1000.000000000

3.489166667

Fixed

0.00

0.000000000

4.18700000%

0.000000000

52108HJ54

A-2

222,000,000.00

0.00

222,000,000.00

774,595.00

1000.000000000

0.000000000

1000.000000000

3.789166697

Fixed

0.00

0.000000000

4.54700000%

0.000000000

52108HJ62

A-3

109,000,000.00

0.00

109,000,000.00

413,019.17

1000.000000000

0.000000000

1000.000000000

3.819166667

Fixed

0.00

0.000000000

4.58300000%

0.000000000

52108HJ70

A-4

60,000,000.00

0.00

60,000,000.00

229,150.00

1000.000000000

0.000000000

1000.000000000

4.021666667

4.826000000%

0.00

0.000000000

4.82600000%

0.000000000

52108HK60

A-5

54,000,000.00

0.00

54,000,000.00

217,170.00

1000.000000000

0.000000000

1000.000000000

4.183333333

5.020000000%

0.00

0.000000000

5.02000000%

0.000000000

52108HK78

A-6

470,130,000.00

0.00

470,130,000.00

1,966,710.50

999.218443704

0.290809166

0.000000000

998.927634538

3.852819769

4.627000000%

0.00

0.000000000

4.62700000%

0.000000000

52108HJ88

A-1A

188,441,000.00

188,293,722.75

54,800.37

0.00

188,238,922.38

726,029.21

1000.000000000

0.000000000

1000.000000000

4.240000000

5.088000000%

0.00

0.000000000

5.08800000%

0.000000000

52108HJ96

13,465,000.00

0.00

13,465,000.00

57,091.60

1000.000000000

0.000000000

1000.000000000

4.256666525

5.108000000%

0.00

0.000000000

5.10800000%

0.000000000

52108HK29

23,564,000.00

0.00

23,564,000.00

100,304.09

1000.000000000

0.000000000

1000.000000000

4.289166887

5.147000000%

0.00

0.000000000

5.14700000%

0.000000000

52108HK37

15,148,000.00

0.00

15,148,000.00

64,972.30

1000.000000000

0.000000000

1000.000000000

4.314166790

5.177000000%

0.00

0.000000000

5.17700000%

0.000000000

52108HK45

13,466,000.00

0.00

13,466,000.00

58,094.57

1000.000000000

0.000000000

1000.000000000

4.338333113

5.206000000%

0.00

0.000000000

5.20600000%

0.000000000

52108HK52

15,148,000.00

0.00

15,148,000.00

65,717.07

1000.000000000

0.000000000

1000.000000000

4.412500424

5.295000000%

0.00

0.000000000

5.29500000%

0.000000000

52108HK86/U51394 HU 8/52108H K9 4

11,782,000.00

0.00

11,782,000.00

51,988.08

1000.000000000

0.000000000

1000.000000000

4.453713291

5.344282100%

0.00

0.000000000

5.34445594%

0.000000000

52108HL28/U51394 HV 6/52108H L3 6

11,782,000.00

0.00

11,782,000.00

52,473.65

1000.000000000

0.000000000

1000.000000000

4.534963165

5.441782100%

0.00

0.000000000

5.44195594%

0.000000000

52108HL44/U51394 HW 4/52108H L5 1

8,416,000.00

0.00

8,416,000.00

38,166.25

1000.000000000

0.000000000

1000.000000000

4.597463015

5.516782100%

0.00

0.000000000

5.51695594%

0.000000000

52108HL69/U51394 HX 2/52108H L7 7

16,831,000.00

0.00

16,831,000.00

77,379.90

Page 2 of 27

Notes: (1) N denotes notional balance not included in total (2) Accrued Interest Plus/Minus Interest Adjustment Minus Deferred Interest equals Interest Payment (3) Estimated. * Denotes Controlling Class

Class

CUSIP

Original

Opening

Principal

Negative

Closing

Interest

Pass-Through

Per $ 1000

Next Rate(3)

WAC:
WAMM:

Payment Date:
Prior Payment:
Next Payment:
Record Date:

5.552034%

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

LB-UBS Commercial Mortgage Trust

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

157

REMIC III

Statement Date:

ABN AMRO Acct: 722005.1

1000.000000000

0.000000000

1000.000000000

4.352501485

5.223000000%

0.00

0.000000000

5.22300000%

0.000000000

52108HL85/U51394 HY 0/52108H L9 3

1,683,000.00

0.00

1,683,000.00

7,325.26

1000.000000000

0.000000000

1000.000000000

4.352499629

5.223000000%

0.00

0.000000000

5.22300000%

0.000000000

52108HM27/U51394 HZ 7/52108H M3 5

6,733,000.00

0.00

6,733,000.00

29,305.38

1000.000000000

0.000000000

1000.000000000

4.352499505

5.223000000%

0.00

0.000000000

5.22300000%

0.000000000

52108HM43/U51394 JA 0/52108H M5 0

5,049,000.00

0.00

5,049,000.00

21,975.77

1000.000000000

0.000000000

1000.000000000

4.352500743

5.223000000%

0.00

0.000000000

5.22300000%

0.000000000

52108HM68/U51394 JB 8/52108H M7 6

3,367,000.00

0.00

3,367,000.00

14,654.87

1000.000000000

0.000000000

1000.000000000

4.352501485

5.223000000%

0.00

0.000000000

5.22300000%

0.000000000

52108HM84/U51394 JC 6/52108H M9 2

1,683,000.00

0.00

1,683,000.00

7,325.26

1000.000000000

0.000000000

1000.000000000

4.352501485

5.223000000%

0.00

0.000000000

5.22300000%

0.000000000

52108HN26/U51394 JD 4/52108H N3 4

1,683,000.00

0.00

1,683,000.00

7,325.26

1000.000000000

0.000000000

1000.000000000

4.352499676

5.223000000%

0.00

0.000000000

5.22300000%

0.000000000

52108HN42/U51394 JE 2/52108H N5 9

15,148,865.00

0.00

15,148,865.00

65,935.43

998.867566183

0.000000000

998.446770446

0.093864601

0.112103400%

0.00

0.000000000

0.11276522%

0.000000000

52108HN67/U51394 JF 9/52108H N7 5

X-CL

1,346,519,865.00

1,344,995,020.37

0.00

1,344,428,410.55

126,390.55

1000.000000000

0.000000000

1000.000000000

0.620854935

0.744895923%

0.00

0.000000000

0.74502592%

0.000000000

52108HN83/U51394 JG 7/52108H N9 1

X-CP

1,228,397,000.00

0.00

1,228,397,000.00

762,656.34

0.000000000

0.00

0.000000000

N/A

0.000000000

9absS081

R-III

0.00

0.000000000

0.00

0.000000000

N/A

0.000000000

9absS079

R-I

0.00

0.000000000

0.00

0.000000000

N/A

0.000000000

9absS080

R-II

0.00

Total P&I Payment

0.00

1,346,519,865.00

1,344,995,020.37

6,750,175.05

Total

1,344,428,410.55

566,609.82

0.00

6,183,565.23

Page 3 of 27

Class

CUSIP

Original

Opening

Principal

Negative

Closing

Interest

Pass-Through

Per $ 0

Next Rate(3)

WAC:
WAMM:

Payment Date:
Prior Payment:
Next Payment:
Record Date:

5.552034%

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

LB-UBS Commercial Mortgage Trust

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

157

Grantor Trust

Statement Date:

ABN AMRO Acct: 722005.1

0.000000000

0.00

0.000000000

N/A

0.000000000

9absS082

0.00

Total P&I Payment

0.00

Total

0.00

Page 4 of 27

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Statement Date:

Cash Reconciliation Summary

Current Scheduled Interest

Interest Summary

Less Deferred Interest

Plus Gross Advance Interest

Less PPIS Reducing Scheduled Int

5,694,935.04

0.00
0.00

Less ASER Interest Adv Reduction

0.00

Less Other Adjustment

0.00

Total

6,219,911.86

Unscheduled Interest:
Prepayment Penalties

0.00

Yield Maintenance Penalties

0.00

Other Interest Proceeds

0.00

Total

0.00

Less Fees & Expenses Paid By/To Servicer

Less Fee Paid To Servicer
Less Fee Strips Paid by Servicer

Special Servicing Fees

Interest Due Serv on Advances
Recoup of Prior Advances
Misc. Fees & Expenses

Total Unscheduled Fees & Expenses

Total Interest Due Trust

Less Fees & Expenses Paid By/To Trust
Trustee Fee
Fee Strips
Misc. Fees
Interest Reserve Withholding
Plus Interest Reserve Deposit
Total

Total Interest Due Certs

Principal Summary

Scheduled Principal:
Current Scheduled Principal
Advanced Scheduled Principal
Scheduled Principal
Unscheduled Principal:
Curtailments
Prepayments in Full
Liquidation Proceeds
Repurchase Proceeds
Other Principal Proceeds
Total Unscheduled Principal
Remittance Principal

Remittance P&I Due Trust

Remittance P&I Due Certs

Pool Balance Summary

Beginning Pool
Scheduled Principal
Unscheduled Principal
Deferred Interest
Liquidations
Repurchases

Ending Pool

Balance

Count

Principal

Interest

Prior Outstanding

Plus Current Period

Less Recovered

Ending Outstanding

Servicing Fee Summary

Current Servicing Fees
Plus Fees Advanced for PPIS
Less Reduction for PPIS
Plus Delinquent Servicing Fees

Total Servicing Fees

PPIS Summary

Gross PPIS
Reduced by PPIE
Reduced by Shortfalls in Fees
Reduced by Other Amounts
PPIS Reducing Scheduled Interest
PPIS Reducing Servicing Fee

PPIS Due Certificate

0.00

0.00
0.00

0.00

6,185,224.05

)

(1,658.83

0.00
0.00
0.00

)

(1,658.83

446,286.64
120,323.18
566,609.82

0.00
0.00
0.00
0.00
0.00
0.00

566,609.82

6,751,833.87

6,750,175.05

1,344,995,020.83

566,609.82

0.00

0.00
0.00

0.00

1,344,428,411.01

47,981.70

334,202.99

120,323.18

524,976.82

120,323.18

524,976.82

34,687.80

0.00
0.00

2,970.31

37,658.11

0.00
0.00
0.00
0.00
0.00
0.00

0.00

)

(34,687.80

6,183,565.23

Interest Not Advanced (

Current Period

)

0.00

524,976.82

Workout Fees
Liquidation Fees

0.00
0.00

Less Non Recovered

)

(334,202.99

)

(47,981.70

0.00

Advance Summary (Advance Made by Servicer)

Page 5 of 27

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Statement Date:

Cash Reconciliation Summary Loan Group 1

Current Scheduled Interest

Interest Summary

Less Deferred Interest

Plus Gross Advance Interest

Less PPIS Reducing Scheduled Int

4,848,832.12

0.00
0.00

Less ASER Interest Adv Reduction

0.00

Less Other Adjustment

0.00

Total

5,330,578.91

Unscheduled Interest:
Prepayment Penalties

0.00

Yield Maintenance Penalties

0.00

Other Interest Proceeds

0.00

Total

0.00

Less Fees & Expenses Paid By/To Servicer

Less Fee Paid To Servicer
Less Fee Strips Paid by Servicer

Special Servicing Fees

Interest Due Serv on Advances
Recoup of Prior Advances
Misc. Fees & Expenses

Total Unscheduled Fees & Expenses

Total Interest Due Trust

Less Fees & Expenses Paid By/To Trust
Trustee Fee
Fee Strips
Misc. Fees
Interest Reserve Withholding
Plus Interest Reserve Deposit
Total

Total Interest Due Certs

Principal Summary

Remittance P&I Due Trust

Remittance P&I Due Certs

Pool Balance Summary

Beginning Pool
Scheduled Principal
Unscheduled Principal
Deferred Interest
Liquidations
Repurchases

Ending Pool

Balance

Count

Principal

Interest

Prior Outstanding

Plus Current Period

Less Recovered

Ending Outstanding

Servicing Fee Summary

Current Servicing Fees
Plus Fees Advanced for PPIS
Less Reduction for PPIS
Plus Delinquent Servicing Fees

Total Servicing Fees

PPIS Summary

Gross PPIS
Reduced by PPIE
Reduced by Shortfalls in Fees
Reduced by Other Amounts
PPIS Reducing Scheduled Interest
PPIS Reducing Servicing Fee

PPIS Due Certificate

0.00

0.00
0.00

0.00

5,301,371.47

)

(1,426.60

0.00
0.00
0.00

)

(1,426.60

403,224.42
108,585.03
511,809.45

0.00
0.00
0.00
0.00
0.00
0.00

511,809.45

5,813,180.92

5,811,754.32

1,156,700,535.19

511,809.45

0.00

0.00
0.00

0.00

1,156,188,725.74

31,813.52

252,498.88

108,585.03

481,746.79

108,585.03

481,746.79

29,207.45

0.00
0.00

2,512.86

31,720.31

0.00
0.00
0.00
0.00
0.00
0.00

0.00

)

(29,207.45

5,299,944.87

Interest Not Advanced (

Current Period

)

0.00

481,746.79

Workout Fees
Liquidation Fees

0.00
0.00

Less Non Recovered

)

(252,498.88

)

(31,813.52

0.00

Advance Summary (Advance Made by Servicer)

Page 6 of 27

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Statement Date:

Cash Reconciliation Summary Loan Group 2

Current Scheduled Interest

Interest Summary

Less Deferred Interest

Plus Gross Advance Interest

Less PPIS Reducing Scheduled Int

846,102.92

0.00
0.00

Less ASER Interest Adv Reduction

0.00

Less Other Adjustment

0.00

Total

889,332.95

Unscheduled Interest:
Prepayment Penalties

0.00

Yield Maintenance Penalties

0.00

Other Interest Proceeds

0.00

Total

0.00

Less Fees & Expenses Paid By/To Servicer

Less Fee Paid To Servicer
Less Fee Strips Paid by Servicer

Special Servicing Fees

Interest Due Serv on Advances
Recoup of Prior Advances
Misc. Fees & Expenses

Total Unscheduled Fees & Expenses

Total Interest Due Trust

Less Fees & Expenses Paid By/To Trust
Trustee Fee
Fee Strips
Misc. Fees
Interest Reserve Withholding
Plus Interest Reserve Deposit
Total

Total Interest Due Certs

Principal Summary

Remittance P&I Due Trust

Remittance P&I Due Certs

Pool Balance Summary

Beginning Pool
Scheduled Principal
Unscheduled Principal
Deferred Interest
Liquidations
Repurchases

Ending Pool

Balance

Count

Principal

Interest

Prior Outstanding

Plus Current Period

Less Recovered

Ending Outstanding

Servicing Fee Summary

Current Servicing Fees
Plus Fees Advanced for PPIS
Less Reduction for PPIS
Plus Delinquent Servicing Fees

Total Servicing Fees

PPIS Summary

Gross PPIS
Reduced by PPIE
Reduced by Shortfalls in Fees
Reduced by Other Amounts
PPIS Reducing Scheduled Interest
PPIS Reducing Servicing Fee

PPIS Due Certificate

0.00

0.00
0.00

0.00

883,852.59

)

(232.23

0.00
0.00
0.00

)

(232.23

43,062.22
11,738.15
54,800.37

0.00
0.00
0.00
0.00
0.00
0.00

54,800.37

938,652.96

938,420.73

188,294,485.64

54,800.37

0.00

0.00
0.00

0.00

188,239,685.27

16,168.18

81,704.11

11,738.15

43,230.03

11,738.15

43,230.03

5,480.36

0.00
0.00

457.45

5,937.80

0.00
0.00
0.00
0.00
0.00
0.00

0.00

)

(5,480.36

883,620.36

Interest Not Advanced (

Current Period

)

0.00

43,230.03

Workout Fees
Liquidation Fees

0.00
0.00

Less Non Recovered

)

(81,704.11

)

(16,168.18

0.00

Advance Summary (Advance Made by Servicer)

Page 7 of 27

LB-UBS Commercial Mortgage Trust

Class

Accrued

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1
Bond Interest Reconciliation

Deductions

Allocable

Deferred &

Prior

Prepay-

Other

Additions

Interest

Credit Support

Original

Current(4)

Accrual

Int. Short-

falls Due

ment

Interest

Interest (2)

Payment

Amount

PPIS

Interest

Certificate

Accretion

Interest

Loss/Exp

Interest

Penalties

Proceeds (1)

Interest

Shortfalls

Certificate

Rate

Pass
Thru

Method Days

Outstanding

Remaining

Statement Date:

Distributable

Current Period

(Shortfall)/

Recovery

Int Accrual

on Prior

Shortfall (3)

0.00

A-1

247,809.72

0.00

12.25%

12.27%

30/360

3.881000000%

0.00

A-2

774,595.00

0.00

12.25%

12.27%

30/360

4.187000000%

0.00

A-3

413,019.17

0.00

12.25%

12.27%

30/360

4.547000000%

0.00

A-4

229,150.00

0.00

12.25%

12.27%

30/360

4.583000000%

0.00

A-5

217,170.00

0.00

12.25%

12.27%

30/360

4.826000000%

0.00

A-6

1,966,710.50

0.00

12.25%

12.27%

30/360

5.020000000%

0.00

A-1A

726,029.21

0.00

12.25%

12.27%

30/360

4.627000000%

0.00

57,091.60

0.00

11.25%

11.27%

30/360

5.088000000%

0.00

100,304.09

0.00

9.50%

9.51%

30/360

5.108000000%

0.00

64,972.30

0.00

8.38%

8.39%

30/360

5.147000000%

0.00

58,094.57

0.00

7.38%

7.39%

30/360

5.177000000%

0.00

65,717.07

0.00

6.25%

6.26%

30/360

5.206000000%

0.00

51,988.08

0.00

5.38%

30/360

5.295000000%

0.00

52,473.65

0.00

4.50%

4.51%

30/360

5.344455942%

0.00

38,166.25

0.00

3.88%

30/360

5.441955942%

0.00

77,379.90

0.00

2.63%

30/360

5.516955942%

0.00

7,325.26

0.00

2.50%

30/360

5.223000000%

0.00

29,305.38

0.00

2.00%

30/360

5.223000000%

0.00

21,975.77

0.00

1.63%

30/360

5.223000000%

0.00

14,654.87

0.00

1.38%

30/360

5.223000000%

0.00

7,325.26

0.00

1.25%

30/360

5.223000000%

0.00

7,325.26

0.00

1.13%

30/360

5.223000000%

0.00

65,935.43

0.00

0.00%

30/360

5.223000000%

0.00

X-CL

126,390.55

0.00

30/360

0.112765216%

0.00

X-CP

762,656.34

0.00

30/360

0.745025923%

0.00

0.000000000%

0.00

6,183,565.23

0.00

(2) Accrued - Deductions + Additions Interest

(3) Includes interest accrued on outstanding Interest Shortfalls and/or Loss Allocations. Where applicable.

Page 8 of 27

(1) Other Interest Proceeds are additional interest amounts specifically allocated to the bond(s) and used in determining the bonds Distributable Interest.

(4) Determined as follows: (A) the ending balance of all the classes less (B) the sum of (i) the ending balance of the class and (ii) the ending balance of all classes which are not subordinate to the class divided by (A).

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Interest Adjustments Summary

Statement Date

0.00

Special Servicing Fees

Workout Fees

Liquidation Fees

Legal Fees

0.00

Misc. Fees & Expenses Paid by/to Servicer

Interest Paid to Servicer on Outstanding Advances

0.00

ASER Interest Advance Reduction

Interest Not Advanced (Current Period)

Recoup of Prior Advances by Servicer

0.00

Servicing Fees Paid Servicer on Loans Not Advanced

Misc. Fees & Expenses Paid by Trust

0.00

Shortfall Due to Rate Modification

Total Shortfall Allocated to the Bonds

Total Interest Adjustment to the Bonds

0.00

Shortfall Allocated to the Bonds:

Excess Allocated to the Bonds:

Other Interest Proceeds Due the Bonds

Yield Maintenance Penalties Due the Bonds

Prepayment Penalties Due the Bonds

Recovered ASER Interest Due the Bonds

Recovered Interest Due the Bonds

Less Total Shortfall Allocated to the Bonds

Total Excess Allocated to the Bonds

0.00

0.00

Total Excess Allocated to the Bonds

0.00

0.00

Aggregate Interest Adjustment Allocated to the Bonds

0.00

Prepayment Interest Excess Due the Bonds

0.00

ARD Excess Interest

0.00

Net Prepayment Int. Shortfalls Allocated to the Bonds

Other Interest Loss

Page 9 of 27

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary

Distribution

Date

Delinq 1 Month

Delinq 2 Months

Delinq 3+ Months

Foreclosure

REO

Modifications

Specially Serviced

Bankruptcy

# Balance

Delinquency Aging Categories

Special Event Categories (1)

Statement Date:

ABN AMRO Acct: 722005.1

0.00%

17-Dec-04

0.00%

18-Nov-04

0.00%

18-Oct-04

0.00%

17-Sep-04

(1) Note: Modification, Specially Serviced & Bankruptcy Totals are Included in the Appropriate Delinquency Aging Category

Page 10 of 27

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary

Distribution

Date

Ending Pool (1)

Payoffs(2)

Penalties

Appraisal Reduct. (2)

Liquidations (2)

Realized Losses (2)

Remaining Term

Curr Weighted Avg.

# Balance

# Amount

# Balance

# Amount

Life

Coupon Remit

Statement Date:

Amort

ABN AMRO Acct: 722005.1

Series 2004-C6

17-Dec-04

102.13%

1,344,428,411

99.84%

0.00%

157

284

5.55%

5.52%

18-Nov-04

102.13%

1,344,995,021

99.89%

0.00%

158

285

5.74%

5.70%

18-Oct-04

102.13%

1,345,479,411

99.92%

0.00%

159

285

5.55%

5.52%

17-Sep-04

102.13%

1,346,040,821

99.96%

0.00%

160

286

5.74%

5.70%

(1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period.

Page 11 of 27

LB-UBS Commercial Mortgage Trust

Mortgage Loan Characteristics

ABN AMRO Acct: 722005.1

Series 2004-C6

Commercial Mortgage Pass-Through Certificates

30-Nov-04

18-Jan-05

18-Nov-04

17-Dec-04

Record Date:

Next Payment:

Prior Payment:

Payment Date:

Statement Date:

Distribution of Mortgage Interest Rates

Distribution of Principal Balances

Distribution of Remaining Term (Balloon)

Distribution of Remaining Term (Fully Amortizing)

Page 12 of 27

Current Scheduled

Balance

# of

Loans

Scheduled

Balance

% of

Balance

Weighted Average

Term Coupon PFY DSCR

2,790,759

0.21

5.81

0.00

875,000 to

1,000,000

12,258,866

0.91

5.82

0.00

1,000,000 to

2,000,000

28,320,785

2.11

103

6.02

0.00

2,000,000 to

3,000,000

68,957,945

5.13

105

5.96

0.00

3,000,000 to

4,000,000

34,700,650

2.58

115

5.92

0.00

4,000,000 to

5,000,000

69,022,321

5.13

110

5.89

0.00

5,000,000 to

7,500,000

62,870,579

4.68

5.99

0.00

7,500,000 to 10,000,000

98,482,931

7.33

116

5.60

0.00

10,000,000 to 15,000,000

52,598,459

3.91

5.89

0.00

15,000,000 to 20,000,000

46,334,362

3.45

116

6.14

0.00

20,000,000 to 25,000,000

225,557,736

16.78

122

5.87

0.00

25,000,000 to 50,000,000

262,257,521

19.51

5.27

0.00

50,000,000 to 75,000,000

170,275,500

12.67

217

5.28

0.00

75,000,000 to 100,000,000

210,000,000

15.62

351

5.03

0.00

100,000,000 &

Above

210,000,000

875,606

1,344,428,411

100.00

Average Schedule Balance
Maximum Schedule Balance
Minimum Schedule Balance

14,004,463

Current Mortgage

Interest Rate

# of

Loans

Scheduled

Balance

% of

Balance

Weighted Average

Term Coupon PFY DSCR

41,174,500

3.06

265

4.11

0.00

3.950%

4.500%

136,700,000

10.17

4.67

0.00

4.501%

4.750%

109,381,821

8.14

309

4.94

0.00

4.751%

5.000%

234,186,037

17.42

326

5.03

0.00

5.001%

5.250%

280,819,367

20.89

5.64

0.00

5.501%

5.750%

163,972,673

12.20

5.90

0.00

5.751%

6.000%

248,900,153

18.51

114

6.13

0.00

6.001%

6.250%

42,825,283

3.19

126

6.41

0.00

6.251%

6.500%

45,255,752

3.37

110

6.61

0.00

6.501%

6.750%

41,212,825

3.07

6.96

0.00

6.751%

Above

1,344,428,411

Minimum Mortgage Interest Rate
Maximum Mortgage Interest Rate

100.00

3.966%
6.980%

Fully Amortizing

Mortgage Loans

# of

Loans

Scheduled

Balance

% of

Balance

Weighted Average

Term Coupon PFY DSCR

0.00

120

0.00

121

180

10,794,408

0.80

212

6.34

0.00

181

240

0.00

241

Above

10,794,408

0.80

Balloon

Mortgage Loans

# of

Loans

Scheduled

Balance

% of

Balance

Weighted Average

Term Coupon PFY DSCR

0.00

356,376,320

26.51

5.30

0.00

627,943,994

46.71

112

6.01

0.00

120

16,813,688

1.25

144

5.95

0.00

121

180

0.00

181

240

332,500,000

24.73

351

4.91

0.00

241

& Above

351

1,333,634,003

Minimum Remaining Term
Maximum Remaining Term

99.20

LB-UBS Commercial Mortgage Trust

Mortgage Loan Characteristics

ABN AMRO Acct: 722005.1

Series 2004-C6

Commercial Mortgage Pass-Through Certificates

30-Nov-04

18-Jan-05

18-Nov-04

17-Dec-04

Record Date:

Next Payment:

Prior Payment:

Payment Date:

Statement Date:

Geographic Distribution

Distribution of DSCR (PFY)

Distribution of DSCR (Cutoff)

Page 13 of 27

Debt Service

Coverage Ratio

# of

Loans

Scheduled

Balance

% of

Balance

WAMM WAC PFY DSCR

0.00

0.500 1.000

0.00

1.001 1.500

0.00

1.501 2.000

0.00

2.001 2.500

0.00

2.501 3.000

0.00

3.001 3.500

0.00

3.501 4.000

0.00

4.001 4.500

0.00

4.501 & Above

1,344,428,411

100.00

157

5.55

0.00

Unknown

0.000
0.000

1,344,428,411

100.00

Minimum DSCR

Maximum DSCR

Debt Service

Coverage Ratio

# of

Loans

Scheduled

Balance

% of

Balance

WAMM WAC PFY DSCR

600,352,636

44.65

109

6.01

0.00

1.000 1.500

400,323,630

29.78

214

5.40

0.00

1.501 2.000

195,420,609

14.54

262

5.07

0.00

2.001 2.500

148,331,536

11.03

4.75

0.00

2.501 & Above

3.140

1.200

1,344,428,411 100.00

Minimum DSCR

Maximum DSCR

Geographic

Location

# of

Loans

Scheduled

Balance

% of

Balance

WAMM WAC PFY DSCR

New York

288,051,689

21.43

205

5.49

0.00

Massachusetts

261,982,850

19.49

304

5.23

0.00

Illinois

157,728,657

11.73

4.81

0.00

Multiple States

77,200,000

5.74

5.66

0.00

District of Columbia

75,189,057

5.59

113

5.66

0.00

Florida

73,721,232

5.48

102

5.74

0.00

Texas

70,992,488

5.28

107

5.72

0.00

California

60,087,290

4.47

114

6.00

0.00

Virginia

52,259,278

3.89

5.80

0.00

Hawaii

45,633,232

3.39

111

6.83

0.00

New Jersey

39,665,386

2.95

6.11

0.00

Georgia

38,000,000

2.83

115

6.62

0.00

Ohio

17,856,844

1.33

5.71

0.00

North Carolina

15,223,311

1.13

4.63

0.00

Alabama

11,200,000

0.83

139

5.62

0.00

South Carolina

9,500,394

0.71

114

6.07

0.00

Oregon

8,714,229

0.65

114

5.98

0.00

Maryland

8,350,079

0.62

115

6.05

0.00

Delaware

6,893,168

0.51

114

6.06

0.00

Nevada

6,394,732

0.48

114

6.37

0.00

Pennsylvania

5,635,809

0.42

114

5.66

0.00

Michigan

5,029,033

0.37

5.96

0.00

New Mexico

3,526,299

0.26

113

5.81

0.00

Colorado

2,986,436

0.22

6.00

0.00

Indiana

2,606,918

0.19

5.56

0.00

100.00

1,344,428,411

LB-UBS Commercial Mortgage Trust

Mortgage Loan Characteristics

ABN AMRO Acct: 722005.1

Series 2004-C6

Commercial Mortgage Pass-Through Certificates

30-Nov-04

18-Jan-05

18-Nov-04

17-Dec-04

Record Date:

Next Payment:

Prior Payment:

Payment Date:

Statement Date:

Distribution of Loan Seasoning

Distribution of Property Types

Distribution of Year Loans Maturing

Distribution of Amortization Type

Page 14 of 27

Property Types

# of

Loans

Scheduled

Balance

% of

Balance

WAMM WAC PFY DSCR

Retail

585,806,646

43.57

183

5.33

0.00

Office

396,271,657

29.48

188

5.60

0.00

Multifamily

104,152,042

7.75

5.65

0.00

Mobile home park

84,087,643

6.25

5.70

0.00

Lodging

74,368,819

5.53

6.47

0.00

Self storage

65,435,852

4.87

5.82

0.00

Industrial

34,305,752

2.55

111

5.64

0.00

1,344,428,411

100.00

Amortization Type

# of

Loans

Scheduled

Balance

% of

Balance

WAMM WAC PFY DSCR

Full Amortizing

10,794,408

0.80

212

6.34

0.00

IO Maturity Balloon

243,962,000

18.15

5.12

0.00

IO/Amortizing/Balloon

1,089,672,003

81.05

179

5.64

0.00

1,344,428,411

100.00

Number of Months

# of

Loans

Scheduled

Balance

% of

Balance

WAMM WAC PFY DSCR

1,344,428,411

100.00

157

0.00

5.55

0.00

108

0.00

109

120

0.00

121

1,344,428,411

100.00

Year

# of

Loans

Scheduled

Balance

% of

Balance

WAMM WAC PFY DSCR

0.00

2004

0.00

2005

0.00

2006

0.00

2007

0.00

2008

356,376,320

26.51

5.30

0.00

2009

0.00

2010

52,546,467

3.91

6.35

0.00

2011

0.00

2012

0.00

2013

575,397,528

42.80

115

5.98

0.00

2014

360,108,096

26.79

337

5.01

0.00

2015 & Greater

100.00

1,344,428,411

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Loan Level Detail

Disclosure

Control #

Group

Property

Type

Maturity

Date

PFY

DSCR

Operating
Statement

Date

Geo.

Location

Ending

Principal

Balance

Note

Rate

Scheduled

P&I

Prepayment

Amount

Prepayment

Date

Loan

Status

Code (1)

Statement Date:

5.02500%

11-Mar-34

LUBS4C6A

Retail

0.00

210,000,000

879,375

5.66400%

11-Aug-09

LUBS4C6B

Mobile home park

0.00

77,200,000

364,384

5.65250%

11-May-14

LUBS4C6A

Office

0.00

63,557,521

369,532

6.19000%

11-Aug-14

LUBS4C6A

Office

0.00

62,000,000

319,817

6.61500%

11-Jul-14

LUBS4C6A

Office

0.00

38,000,000

209,475

5.85500%

11-Jun-09

LUBS4C6A

Self storage

0.00

37,182,411

238,300

6.98000%

11-Aug-11

LUBS4C6A

Lodging

0.00

34,838,825

246,926

5.52000%

11-Mar-14

LUBS4C6A

Industrial

0.00

30,400,000

139,840

6.07000%

11-Jun-14

LUBS4C6B

Multifamily

0.00

29,000,000

146,692

5.65000%

11-Jun-09

LUBS4C6A

Retail

0.00

26,712,000

125,769

6.14000%

11-Aug-14

LUBS4C6A

Office

0.00

23,914,509

146,059

6.14000%

11-Aug-14

LUBS4C6A

Retail

0.00

22,419,852

136,931

6.02000%

11-Jul-14

LUBS4C6A

Retail

0.00

19,000,000

95,317

5.99000%

11-Aug-09

LUBS4C6A

Lodging

0.00

18,398,459

119,083

5.60000%

11-Jun-14

LUBS4C6A

Office

0.00

15,200,000

70,933

5.99000%

11-Jul-14

LUBS4C6A

Retail

0.00

13,600,000

67,887

5.91000%

11-Aug-14

LUBS4C6A

Retail

0.00

13,449,378

80,160

4.77300%

11-Jun-11

LUBS4C6A

Office

0.00

13,105,074

69,041

6.03000%

11-Aug-14

LUBS4C6A

Office

0.00

12,952,536

78,192

4.46000%

11-May-09

LUBS4C6B

Multifamily

0.00

11,750,000

43,671

5.70250%

11-May-14

LUBS4C6A

Lodging

0.00

11,631,536

73,583

5.62000%

11-Jul-16

LUBS4C6A

Retail

0.00

11,200,000

52,453

6.34000%

11-Aug-22

LUBS4C6A

Office

0.00

10,794,408

84,738

Page 15 of 27

* NOI and DSCR, if available and reportable under the terms of the trust agreement, are based on information obtained from the related borrower, and no other party to the agreement shall be held liable for the accuracy or methodology used to determine such figures.

(1) Legend:

A. In Grace Period
B. Late Payment but < 1 month delinq

1. Delinquent 1 month
2. Delinquent 2 months

3. Delinquent 3+ months
4. Performing Matured Balloon

7. Foreclosure

9. REO

5. Non Performing Matured Ballon

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Loan Level Detail

Disclosure

Control #

Group

Property

Type

Maturity

Date

PFY

DSCR

Operating
Statement

Date

Geo.

Location

Ending

Principal

Balance

Note

Rate

Scheduled

P&I

Prepayment

Amount

Prepayment

Date

Loan

Status

Code (1)

Statement Date:

6.47000%

11-Jul-14

LUBS4C6A

Retail

0.00

9,959,506

63,010

5.80000%

11-Aug-14

LUBS4C6A

Office

0.00

9,812,158

57,795

6.45000%

11-Aug-09

LUBS4C6A

Lodging

0.00

9,500,000

51,063

5.70000%

11-Aug-14

LUBS4C6A

Retail

0.00

9,363,088

54,558

4.66960%

10-Jul-09

LUBS4C6A

Retail

0.00

68,350,000

265,973

4.66960%

10-Jul-09

LUBS4C6A

Retail

0.00

68,350,000

265,973

5.99000%

11-Jul-14

LUBS4C6A

Retail

0.00

8,450,000

42,180

5.79000%

11-Apr-14

LUBS4C6A

Retail

0.00

8,185,827

48,355

5.62000%

11-Jul-09

LUBS4C6B

Multifamily

0.00

7,600,000

35,593

6.18000%

11-Aug-14

LUBS4C6A

Retail

0.00

7,015,148

43,026

5.99000%

11-Aug-14

LUBS4C6A

Office

0.00

6,476,055

38,929

5.99000%

11-Jul-14

LUBS4C6A

Retail

0.00

6,200,000

30,948

6.13540%

11-Jun-14

LUBS4C6B

Multifamily

0.00

5,998,340

36,691

5.05000%

11-May-14

LUBS4C6B

Multifamily

0.00

5,780,000

24,324

5.88000%

11-May-14

LUBS4C6A

Retail

0.00

5,662,536

33,736

5.05000%

11-May-14

LUBS4C6B

Multifamily

0.00

5,650,000

23,777

4.96580%

11-Feb-34

LUBS4C6A

Office

0.00

93,075,500

385,162

3.96580%

11-Feb-34

LUBS4C6A

Office

0.00

29,424,500

97,243

6.12500%

11-Jun-14

LUBS4C6A

Retail

0.00

5,433,553

33,194

6.00000%

11-Jun-14

LUBS4C6A

Retail

0.00

5,270,624

31,776

6.28000%

11-Jul-14

LUBS4C6A

Office

0.00

5,243,691

32,526

6.18000%

11-Aug-09

LUBS4C6A

Office

0.00

5,206,555

31,934

5.81000%

11-May-14

LUBS4C6B

Multifamily

0.00

5,085,817

30,074

Page 16 of 27

(1) Legend:

A. In Grace Period
B. Late Payment but < 1 month delinq

1. Delinquent 1 month
2. Delinquent 2 months

3. Delinquent 3+ months
4. Performing Matured Balloon

7. Foreclosure

9. REO

5. Non Performing Matured Ballon

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Loan Level Detail

Disclosure

Control #

Group

Property

Type

Maturity

Date

PFY

DSCR

Operating
Statement

Date

Geo.

Location

Ending

Principal

Balance

Note

Rate

Scheduled

P&I

Prepayment

Amount

Prepayment

Date

Loan

Status

Code (1)

Statement Date:

6.18000%

11-Aug-14

LUBS4C6A

Retail

0.00

4,623,620

28,358

5.73000%

11-Jul-14

LUBS4C6A

Self storage

0.00

4,500,000

21,488

6.05000%

11-Aug-14

LUBS4C6A

Retail

0.00

4,408,916

26,673

6.18000%

11-Aug-14

LUBS4C6A

Retail

0.00

4,384,468

26,892

6.05000%

11-Jul-14

LUBS4C6A

Retail

0.00

4,381,329

26,528

6.18000%

11-Jun-14

LUBS4C6B

Multifamily

0.00

4,227,373

25,975

5.80000%

11-May-14

LUBS4C6B

Multifamily

0.00

4,171,897

24,644

5.15500%

11-Jul-14

LUBS4C6A

Retail

0.00

4,003,048

21,990

5.80000%

11-Aug-14

LUBS4C6A

Retail

0.00

3,984,633

23,470

6.22900%

11-Jul-14

LUBS4C6A

Office

0.00

3,982,850

24,574

6.54000%

11-Jun-14

LUBS4C6A

Industrial

0.00

3,905,752

24,912

6.06000%

11-Jun-14

LUBS4C6B

Multifamily

0.00

3,669,744

23,975

6.13000%

11-Aug-14

LUBS4C6B

Mobile home park

0.00

3,636,969

22,190

5.89000%

11-Jun-14

LUBS4C6B

Multifamily

0.00

3,579,556

21,330

5.86000%

11-May-14

LUBS4C6A

Retail

0.00

3,576,232

21,261

5.81000%

11-May-14

LUBS4C6A

Office

0.00

3,526,299

20,852

5.63000%

11-Jun-09

LUBS4C6B

Multifamily

0.00

3,520,000

16,515

5.20000%

11-May-14

LUBS4C6A

Retail

0.00

3,473,311

19,219

6.64000%

11-Jun-09

LUBS4C6A

Retail

0.00

3,350,000

18,537

5.75000%

11-Jun-14

LUBS4C6A

Retail

0.00

3,280,676

19,258

5.56000%

11-Jul-09

LUBS4C6A

Self storage

0.00

3,263,622

18,747

6.13000%

11-Jul-14

LUBS4C6B

Mobile home park

0.00

3,250,674

19,849

6.06000%

11-Jun-14

LUBS4C6B

Multifamily

0.00

3,223,424

21,059

Page 17 of 27

(1) Legend:

A. In Grace Period
B. Late Payment but < 1 month delinq

1. Delinquent 1 month
2. Delinquent 2 months

3. Delinquent 3+ months
4. Performing Matured Balloon

7. Foreclosure

9. REO

5. Non Performing Matured Ballon

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Loan Level Detail

Disclosure

Control #

Group

Property

Type

Maturity

Date

PFY

DSCR

Operating
Statement

Date

Geo.

Location

Ending

Principal

Balance

Note

Rate

Scheduled

P&I

Prepayment

Amount

Prepayment

Date

Loan

Status

Code (1)

Statement Date:

6.91000%

11-Jul-19

LUBS4C6A

Retail

0.00

3,224,000

18,565

4.86000%

11-Mar-09

LUBS4C6B

Multifamily

0.00

3,201,247

18,735

6.84000%

11-Jun-14

LUBS4C6A

Retail

0.00

3,150,000

17,955

6.13000%

11-Aug-14

LUBS4C6A

Self storage

0.00

3,079,455

20,220

5.18000%

11-Jun-14

LUBS4C6A

Retail

0.00

3,079,501

16,984

6.00000%

11-Jul-11

LUBS4C6A

Self storage

0.00

2,986,436

17,987

6.25000%

11-Jun-14

LUBS4C6A

Retail

0.00

2,919,619

18,071

5.96000%

11-May-14

LUBS4C6B

Multifamily

0.00

2,881,280

17,312

6.50000%

11-Aug-14

LUBS4C6A

Retail

0.00

2,840,650

18,014

5.63000%

11-Jun-14

LUBS4C6A

Retail

0.00

2,799,076

16,219

6.24000%

11-Jun-14

LUBS4C6A

Retail

0.00

2,556,308

17,004

6.11000%

11-Jul-14

LUBS4C6A

Self storage

0.00

2,488,980

15,166

6.22000%

11-Jul-15

LUBS4C6A

Retail

0.00

2,389,688

14,730

5.12000%

11-Aug-09

LUBS4C6B

Multifamily

0.00

2,200,179

12,026

6.50000%

11-Aug-14

LUBS4C6A

Retail

0.00

2,149,156

14,584

5.56000%

11-Jul-09

LUBS4C6A

Self storage

0.00

2,109,414

12,117

5.56000%

11-Jul-09

LUBS4C6A

Self storage

0.00

1,930,313

11,088

5.56000%

11-Jul-09

LUBS4C6A

Self storage

0.00

1,870,613

10,745

5.56000%

11-Jul-09

LUBS4C6A

Self storage

0.00

1,731,312

9,945

6.07000%

11-Dec-11

LUBS4C6A

Retail

0.00

1,616,132

9,816

5.91000%

11-Jul-14

LUBS4C6B

Multifamily

0.00

1,493,077

8,907

6.40000%

11-Aug-14

LUBS4C6A

Self storage

0.00

1,343,101

9,031

5.56000%

11-Jul-09

LUBS4C6A

Self storage

0.00

1,154,208

6,630

Page 18 of 27

(1) Legend:

A. In Grace Period
B. Late Payment but < 1 month delinq

1. Delinquent 1 month
2. Delinquent 2 months

3. Delinquent 3+ months
4. Performing Matured Balloon

7. Foreclosure

9. REO

5. Non Performing Matured Ballon

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Loan Level Detail

Disclosure

Control #

Group

Property

Type

Maturity

Date

PFY

DSCR

Operating
Statement

Date

Geo.

Location

Ending

Principal

Balance

Note

Rate

Scheduled

P&I

Prepayment

Amount

Prepayment

Date

Loan

Status

Code (1)

Statement Date:

6.17000%

11-Jul-14

LUBS4C6B

Multifamily

0.00

1,120,110

6,868

6.26000%

11-Jun-14

LUBS4C6A

Retail

0.00

994,771

6,164

5.56000%

11-Jul-09

LUBS4C6A

Self storage

0.00

920,381

5,287

5.56000%

11-Jul-09

LUBS4C6A

Self storage

0.00

875,606

5,030

1,344,428,411

6,789,492

Page 19 of 27

(1) Legend:

A. In Grace Period
B. Late Payment but < 1 month delinq

1. Delinquent 1 month
2. Delinquent 2 months

3. Delinquent 3+ months
4. Performing Matured Balloon

7. Foreclosure

9. REO

5. Non Performing Matured Ballon

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Realized Loss Detail

Period

Disclosure

Control #

Appraisal

Date

Appraisal

Value

Beginning
Scheduled

Balance

Gross

Proceeds

Gross Proceeds

as a % of

Sched. Balance

Aggregate

Liquidation
Expenses *

Net

Liquidation

Proceeds

Net Proceeds

as a % of

Sched. Balance

Realized

Loss

Statement Date:

Current Total
Cumulative

Page 20 of 27

* Aggregate liquidation expenses also include outstanding P&I advances and unpaid servicing fees, unpaid trustee fees, etc..

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

Historical Collateral Level REO Report

Property

Type

Statement Date:

State

Actual

Balance

Scheduled

Balance

Recent

Appraisal

Value

Appraisal

Reduction

Amount

Date

Liquidated

Liquidation

Proceeds

Liquidation

Expenses

Realized

Loss

Disclosure

Control #

REO

Date

City

Appraisal

Date

ABN AMRO Acct: 722005.1

Page 21 of 27

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

ASER Detail

Period

Disclosure

Control #

Appraisal

Date

Appraisal

Value

Beginning
Scheduled

Balance

ASER

Prin

Balance

ASER Prin

ADV Reduction

Amount

Current Appraisal

Reduction Date

Current Appraisal

Reduction

Amount

Cumulative

ASER

Amount

Statement Date:

ASER Int

ADV Reduction

Amount

Page 22 of 27

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Modified Loan Detail

Disclosure

Control #

Modification

Date

Cutoff

Maturity

Date

Modification

Description

Modified

Maturity

Date

Statement Date:

Page 23 of 27

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Specially Serviced (Part I) ~ Loan Detail (End of Period)

Disclosure

Control #

Servicing

Xfer Date

Balance

Note

Rate

Maturity

Date

Remaining

Property

Type

Geo.

Location

NOI

DSCR

NOI
Date

Schedule

Actual

Life

Statement Date:

Loan

Status

Code(1)

Not Avail

Not Avail Not Avail

Page 24 of 27

(1) Legend:

A. P&I Adv - in Grace Period

B. P&I Adv - < one month delinq

1. P&I Adv - delinquent 1 month

2. P&I Adv - delinquent 2 months

3. P&I Adv - delinquent 3+ months

4. Mat. Balloon/Assumed P&I

7. Foreclosure

9. REO

5. Non Performing Mat. Balloon

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Maturity Extension Summary

Statement Date:

Loans which have had their Maturity Dates extended

Stated Principal Balance outstanding:
Weighted Average Extension Period:

Loans in the process of having their Maturity Dates extended

Stated Principal Balance outstanding:
Weighted Average Extension Period:

Loans in the process of having their Maturity Dates further extended

Cutoff Principal Balance:
Weighted Average Extension Period:

Loans paid-off that did experience Maturity Date extensions

Cutoff Principal Balance:
Weighted Average Extension Period:

0.00

Number of Loans:

0.00

Number of Loans:

0.00

Loans paid-off that did not experience Maturity Date extensions

Number of Loans:
Cutoff Principal Balance:

0.00

Page 25 of 27

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Rating Information

Class

CUSIP

Fitch

Moody's

S&P

Fitch

Moody's

S&P

Original Ratings

Rating Change/Change Date(1)

Statement Date:

R-I

9absS079

R-II

9absS080

A-1

52108HJ47

AAA

A-2

52108HJ54

AAA

A-3

52108HJ62

AAA

A-4

52108HJ70

AAA

A-5

52108HK60

AAA

A-6

52108HK78

AAA

A-1A

52108HJ88

AAA

52108HJ96

AA+

52108HK29

52108HK37

AA-

52108HK45

A+

52108HK52

52108HK86

A-

52108HL28

BBB+

52108HL44

BBB

52108HL69

BBB-

52108HL85

BB+

52108HM27

52108HM43

BB-

52108HM68

B+

Page 26 of 27

NR - Designates that the class was not rated by the rating agency.

(1) Changed ratings provided on this report are based on information provided by the applicable rating agency via electronic transmission. It shall be
understood that this transmission will generally have been provided to LaSalle within 30 days of the payment date listed on this statement. Because ratings may have changed during the 30
day window, or may not be being provided by the rating agency in an electronic format and therefore not being updated on
this report, LaSalle recommends that investors obtain current rating information directly from the rating agency.

LB-UBS Commercial Mortgage Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

17-Dec-04
17-Dec-04

18-Nov-04

18-Jan-05

30-Nov-04

Commercial Mortgage Pass-Through Certificates

Series 2004-C6

ABN AMRO Acct: 722005.1

Rating Information

Class

CUSIP

Fitch

Moody's

S&P

Fitch

Moody's

S&P

Original Ratings

Rating Change/Change Date(1)

Statement Date:

52108HM84

52108HN26

B-

52108HN42

X-CL

52108HN67

AAA

X-CP

52108HN83

AAA

R-III

9absS081

9absS082

Page 27 of 27

NR - Designates that the class was not rated by the rating agency.

LB-UBS Commercial Mortgage Trust 2004-C6 8-K