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) September 17, 2004

Citigroup Commercial Mortgage Securities Inc.
(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction
of incorporation)

333-108125
(Commission
File Number)

13-3439681
(IRS Employer
Identification No.)

388 Greenwich Street, New York, New York
(Address of principal executive offices)

10013
(Zip Code)

Registrant's telephone number, including area code 212-816-6000

(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 Citigroup Commercial Mortgage Securities Inc., Commercial Mortgage Pass-Through Certificates, Series 2004-C1, which was made on September 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 September 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 CITIGROUP COMMERCIAL MORTGAGE SERCURITIES INC., REGISTRANT

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

Date: September 22, 2004

Citigroup Commercial Mortgage Securities Inc.

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Reporting Package Table of Contents

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Administrator:

Jennifer Wilt 312.904.8959
jennifer.wilt@abnamro.com

Analyst:

Christine Paidosh 714.259.6207
christine.paidosh@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

Rating Information

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

Delinquent Loan Detail
Historical Collateral Prepayment
Loan Level Detail

Page 2-5
Page 6-8
Page 9
Page 10

Page 11-12

Page 13
Page 14

Page 15
Page 16

Page 17-21

Specially Serviced (Part I) - Loan Detail

Specially Serviced (Part II) - Servicer Comments
Modified Loan Detail
Realized Loss Detail

Appraisal Reduction Detail

Page 22

Page 23
Page 24
Page 25

Page 26

Page(s)

Information is available for this issue from the following sources

Issue Id:

Monthly Data File
Name:

CCMT04C1

CCMT04C1_200409_3.ZIP

Closing Date:

First Payment Date:

Rated Final Payment: Date:

24-Jun-04
16-Jul-04

17-Apr-40

Parties to The Transaction

Depositor: Citigroup Commercial Mortgage Securities Inc.

Underwriter: CDC Securities Inc./Citigroup Global Markets Inc/Deutsche Bank Securities Inc.

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 26

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:

5.513132%

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Citigroup Commercial Mortgage Securities Inc.

Commerical Mortgage Pass-Through Rate

Series 2004-C1

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

102

REMIC II

Statement Date:

ABN AMRO Acct: 721885.1

976.261455180

11.174476893

0.000000000

965.086978287

2.680976600

Fixed

0.00

0.000000000

3.29540000%

0.000000000

173067AA7

A-1

69,957,000.00

68,296,322.62

781,732.88

0.00

67,514,589.74

187,553.08

1000.000000000

0.000000000

1000.000000000

3.904083334

Fixed

0.00

0.000000000

4.68490000%

0.000000000

173067AB5

A-2

161,062,000.00

0.00

161,062,000.00

628,799.47

1000.000000000

0.000000000

1000.000000000

4.376166647

5.251400000%

0.00

0.000000000

5.25140000%

0.000000000

173067AC3

A-3

217,418,000.00

0.00

217,418,000.00

951,457.40

1000.000000000

0.000000000

1000.000000000

4.553604257

5.292166216%

0.00

0.000000000

5.46432512%

0.000000000

173067AD1

A-4

553,662,000.00

0.00

553,662,000.00

2,521,157.64

1000.000000000

0.000000000

1000.000000000

4.553604175

5.292166216%

0.00

0.000000000

5.46432512%

0.000000000

173067AE9

31,039,000.00

0.00

31,039,000.00

141,339.32

1000.000000000

0.000000000

1000.000000000

4.553603969

5.292166216%

0.00

0.000000000

5.46432512%

0.000000000

173067AF6

13,302,000.00

0.00

13,302,000.00

60,572.04

1000.000000000

0.000000000

1000.000000000

4.553604210

5.292166216%

0.00

0.000000000

5.46432512%

0.000000000

173067AG4

26,605,000.00

0.00

26,605,000.00

121,148.64

1000.000000000

0.000000000

1000.000000000

4.553603969

5.292166216%

0.00

0.000000000

5.46432512%

0.000000000

173067AH2

13,302,000.00

0.00

13,302,000.00

60,572.04

1000.000000000

0.000000000

1000.000000000

4.553604195

5.292166216%

0.00

0.000000000

5.46432512%

0.000000000

173067AL3/U17377AK5/173067AZ2

14,780,000.00

0.00

14,780,000.00

67,302.27

1000.000000000

0.000000000

1000.000000000

4.553604533

5.292166216%

0.00

0.000000000

5.46432512%

0.000000000

173067AM1/U17377AL3/173067BA6

11,824,000.00

0.00

11,824,000.00

53,841.82

1000.000000000

0.000000000

1000.000000000

4.553604143

5.292166216%

0.00

0.000000000

5.46432512%

0.000000000

173067AN9/U17377AM1/173067BB4

19,214,000.00

0.00

19,214,000.00

87,492.95

1000.000000000

0.000000000

1000.000000000

4.375000846

5.250000000%

0.00

0.000000000

5.25000000%

0.000000000

173067AP4/U17377AN9/173067BC2

5,913,000.00

0.00

5,913,000.00

25,869.38

1000.000000000

0.000000000

1000.000000000

4.375000000

5.250000000%

0.00

0.000000000

5.25000000%

0.000000000

173067AQ2/U17377AP4/173067BD0

5,912,000.00

0.00

5,912,000.00

25,865.00

1000.000000000

0.000000000

1000.000000000

4.375000000

5.250000000%

0.00

0.000000000

5.25000000%

0.000000000

173067AR0/U17377AQ2/173067BE8

5,912,000.00

0.00

5,912,000.00

25,865.00

1000.000000000

0.000000000

1000.000000000

4.375000000

5.250000000%

0.00

0.000000000

5.25000000%

0.000000000

173067AS8/U17377AR0/173067BF5

5,912,000.00

0.00

5,912,000.00

25,865.00

1000.000000000

0.000000000

1000.000000000

4.375000000

5.250000000%

0.00

0.000000000

5.25000000%

0.000000000

173067AT6/U17377AS8/173067BG3

2,956,000.00

0.00

2,956,000.00

12,932.50

Page 2 of 26

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:

5.513132%

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Citigroup Commercial Mortgage Securities Inc.

Commerical Mortgage Pass-Through Rate

Series 2004-C1

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

102

REMIC II

Statement Date:

ABN AMRO Acct: 721885.1

1000.000000000

0.000000000

1000.000000000

4.375000000

5.250000000%

0.00

0.000000000

5.25000000%

0.000000000

173067AU3/U17377AT6/173067BH1

4,434,000.00

0.00

4,434,000.00

19,398.75

1000.000000000

0.000000000

1000.000000000

4.375000163

5.250000000%

0.00

0.000000000

5.25000000%

0.000000000

173067AV1/U17377AU3/173067BJ7

19,214,797.00

0.00

19,214,797.00

84,064.74

963.603413266

17.710990322

0.000000000

945.892422944

3.514863883

4.234600000%

0.00

0.000000000

4.23595161%

0.000000000

173067AW9/U17377AV1/173067BK4

3,322,214.00

3,201,296.75

58,839.70

0.00

3,142,457.05

11,677.13

998.595525220

0.000000000

997.934394932

0.233088438

0.00

0.000000000

0.28009952%

0.000000000

173067AJ8/U137377AJ8/173067AX7

1,182,418,797.00

1,180,758,119.62

0.00

1,179,976,386.74

275,608.15

0.000000000

0.000000008

N/A

0.00

0.01

0.000000008

0.00000000%

0.000000000

9ABSR110

R-I Residual

0.00

0.01

Total P&I Payment

0.00

0.01

1,185,741,011.00

1,183,959,416.37

6,228,954.91

Total

1,183,118,843.79

840,572.58

0.00

5,388,382.33

Page 3 of 26

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:

5.513132%

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Citigroup Commercial Mortgage Securities Inc.

Commerical Mortgage Pass-Through Rate

Series 2004-C1

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

102

Grantor Trust

Statement Date:

ABN AMRO Acct: 721885.1

0.000000000

0.00

0.000000000

N/A

0.000000000

9ABSR112

Y-I

0.00

0.000000000

0.00

0.000000000

N/A

0.000000000

9ABSR113

Y-II

0.00

0.000000000

0.00

0.000000000

N/A

0.000000000

9ABSR114

Y-III

0.00

Total P&I Payment

0.00

Total

0.00

Page 4 of 26

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:

5.513132%

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Citigroup Commercial Mortgage Securities Inc.

Commerical Mortgage Pass-Through Rate

Series 2004-C1

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

102

LOAN REMIC

Statement Date:

ABN AMRO Acct: 721885.1

0.000000000

4.234600000%

0.00

0.000000000

4.23595161%

0.000000000

PM-1 Reg Int.

62,322,215.00

62,201,297.76

58,839.70

0.00

62,142,458.06

226,887.01

963.603413266

17.710990322

0.000000000

945.892422944

3.514863883

4.234600000%

0.00

0.000000000

4.23595161%

0.000000000

PM-2 Reg Int.

3,322,214.00

3,201,296.75

58,839.70

0.00

3,142,457.05

11,677.13

0.000000000

N/A

0.00

0.000000000

0.00000000%

0.000000000

9ABSR111

PM-R

0.00

Total P&I Payment

0.00

65,644,429.00

65,402,594.51

356,243.54

Total

65,284,915.11

117,679.40

0.00

238,564.14

Page 5 of 26

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Statement Date:

Cash Reconciliation Summary

Current Scheduled Interest

Interest Summary

Less Deferred Interest

Plus Gross Advance Interest

Less PPIS Reducing Scheduled Int

5,329,662.99

0.00
0.00

Less ASER Interest Adv Reduction

0.00

Less Other Adjustment

0.00

Total

5,438,527.31

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

5,390,256.95

)

(1,874.60

0.00
0.00
0.00

)

(1,874.60

803,433.85

37,138.73

840,572.58

0.00
0.00
0.00
0.00
0.00
0.00

840,572.58

6,230,829.53

6,228,954.92

1,183,959,417.69

116

840,572.58

0.00

0.00
0.00

0.00

1,183,118,845.11

116

58,623.81

48,079.46

37,138.73

108,864.33

37,138.73

108,864.33

48,270.37

0.00
0.00

909.90

49,180.27

0.00
0.00
0.00
0.00
0.00
0.00

0.00

Advance Summary (Advance Made by Servicer)

)

(48,270.37

5,388,382.34

Interest Not Advanced (

Current Period

)

0.00

108,864.33

Workout Fees
Liquidation Fees

0.00
0.00

Less Non Recovered

)

(48,079.46

)

(58,623.81

0.00

Page 6 of 26

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Statement Date:

Cash Reconciliation Summary REMIC II

Current Scheduled Interest

Interest Summary

Less Deferred Interest

Plus Gross Advance Interest

Less PPIS Reducing Scheduled Int

5,088,815.21

0.00
0.00

Less ASER Interest Adv Reduction

0.00

Less Other Adjustment

0.00

Total

5,197,679.53

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

5,151,589.25

)

(1,771.05

0.00
0.00
0.00

)

(1,771.05

685,754.45

37,138.73

722,893.18

0.00
0.00
0.00
0.00
0.00
0.00

722,893.18

5,874,482.43

5,872,711.38

1,118,556,823.15

114

722,893.18

0.00

0.00
0.00

0.00

1,117,833,929.97

114

0.00

36,183.33

37,138.73

108,864.33

37,138.73

108,864.33

46,090.28

0.00
0.00

909.90

47,000.18

0.00
0.00
0.00
0.00
0.00
0.00

0.00

Advance Summary (Advance Made by Servicer)

)

(46,090.28

5,149,818.20

Interest Not Advanced (

Current Period

)

0.00

108,864.33

Workout Fees
Liquidation Fees

0.00
0.00

Less Non Recovered

)

(36,183.33

0.00
0.00

0.00

Page 7 of 26

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Statement Date:

Cash Reconciliation Summary Pecanland Mall Loan

Current Scheduled Interest

Interest Summary

Less Deferred Interest

Plus Gross Advance Interest

Less PPIS Reducing Scheduled Int

240,847.78

0.00
0.00

Less ASER Interest Adv Reduction

0.00

Less Other Adjustment

0.00

Total

240,847.78

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

238,667.69

)

(103.55

0.00
0.00
0.00

)

(103.55

117,679.40

0.00

117,679.40

0.00
0.00
0.00
0.00
0.00
0.00

117,679.40

356,347.09

356,243.54

65,402,594.54

117,679.40

0.00

0.00
0.00

0.00

65,284,915.14

58,623.81

11,896.13

0.00

2,180.09

0.00
0.00
0.00

2,180.09

0.00
0.00
0.00
0.00
0.00
0.00

0.00

Advance Summary (Advance Made by Servicer)

)

(2,180.09

238,564.14

Interest Not Advanced (

Current Period

)

0.00

Workout Fees
Liquidation Fees

0.00
0.00

Less Non Recovered

)

(11,896.13

)

(58,623.81

0.00

Page 8 of 26

Citigroup Commercial Mortgage Securities Inc.

Class

Accrued

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1
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

Residual

0.00

0.01

0.00

30/360

0.000000000%

0.00

A-1

187,553.08

0.00

15.25%

15.28%

30/360

3.295400000%

0.00

A-2

628,799.47

0.00

15.25%

15.28%

30/360

4.684900000%

0.00

A-3

951,457.40

0.00

15.25%

15.28%

30/360

5.251400000%

0.00

A-4

2,521,157.64

0.00

15.25%

15.28%

30/360

5.464325115%

0.00

141,339.32

0.00

12.63%

12.65%

30/360

5.464325115%

0.00

60,572.04

0.00

11.50%

11.52%

30/360

5.464325115%

0.00

121,148.64

0.00

9.25%

9.27%

30/360

5.464325115%

0.00

60,572.04

0.00

8.13%

8.14%

30/360

5.464325115%

0.00

67,302.27

0.00

6.88%

6.89%

30/360

5.464325115%

0.00

53,841.82

0.00

5.88%

5.89%

30/360

5.464325115%

0.00

87,492.95

0.00

4.25%

4.26%

30/360

5.464325115%

0.00

25,869.38

0.00

3.75%

3.76%

30/360

5.250000000%

0.00

25,865.00

0.00

3.25%

3.26%

30/360

5.250000000%

0.00

25,865.00

0.00

2.75%

2.76%

30/360

5.250000000%

0.00

25,865.00

0.00

2.25%

30/360

5.250000000%

0.00

12,932.50

0.00

2.00%

30/360

5.250000000%

0.00

19,398.75

0.00

1.63%

30/360

5.250000000%

0.00

84,064.74

0.00

0.00%

30/360

5.250000000%

0.00

11,677.13

0.00

Act/360

4.235951613%

0.00

275,608.15

0.00

30/360

0.280099519%

0.00

Y-I

0.00

0.000000000%

0.00

Y-II

0.00

0.000000000%

0.00

Y-III

0.00

0.000000000%

0.00

5,388,382.32

5,388,382.33

0.00

(2) Accrued - Deductions + Additions Interest

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

Page 9 of 26

(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).

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

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 10 of 26

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Rating Information

Class

CUSIP

Fitch

Moody's

S&P

Fitch

Moody's

S&P

Original Ratings

Rating Change/Change Date(1)

Statement Date:

Residual

9ABSR109

A-1

173067AA7

Aaa

AAA

A-2

173067AB5

Aaa

AAA

A-3

173067AC3

Aaa

AAA

A-4

173067AD1

Aaa

AAA

173067AE9

Aa2

173067AF6

Aa3

AA-

173067AG4

173067AH2

A-

173067AL3

Baa1

BBB+

173067AM1

Baa2

BBB

173067AN9

Baa3

BBB-

173067AP4

Ba1

BB+

173067AQ2

Ba2

173067AR0

Ba3

BB-

173067AS8

B+

173067AT6

173067AU3

B-

173067AV1

173067AW9

Ba1

173067AJ8

Aaa

AAA

Y-I

9ABSR112

Page 11 of 26

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.

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Rating Information

Class

CUSIP

Fitch

Moody's

S&P

Fitch

Moody's

S&P

Original Ratings

Rating Change/Change Date(1)

Statement Date:

Y-II

9ABSR113

Y-III

9ABSR114

Page 12 of 26

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

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

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: 721885.1

0.00%

17-Sep-04

0.00%

17-Aug-04

0.00%

16-Jul-04

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

Page 13 of 26

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

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: 721885.1

Series 2004-C1

17-Sep-04

116

100.87%

1,183,118,845

99.78%

0.00%

102

343

5.51%

5.46%

17-Aug-04

116

100.87%

1,183,959,418

99.85%

0.00%

103

344

5.51%

5.46%

16-Jul-04

116

100.87%

1,184,784,180

99.92%

0.00%

104

345

5.34%

5.29%

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

Page 14 of 26

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Delinquent Loan Detail

Disclosure

Control #

Paid

Thru
Date

Current P&I

Advance

Outstanding

P&I

Advances**

Out. Property

Protection

Advances

Loan

Status

Code (1)

Special

Servicer

Transfer Date

Foreclosure

Date

Bankruptcy

Date

REO

Date

Statement Date:

11-Aug-04

56,781.77

0.00

11-Aug-04

31,199.00

0.00

1-Aug-04

42,299.57

0.00

11-Aug-04

15,722.72

0.00

114

146,003.06

Total

Page 15 of 26

A. In Grace Period

1. Delinq. 1 month

2. Delinq. 2 months

3. Delinquent 3 + months

4. Performing Matured Balloon

** Outstanding P&I Advances include the current period P&I Advance

7. Foreclosure

9. REO

B. Late Payment but < 1 month delinq.

5. Non Performing Matured Balloon

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Historical Collateral Level Prepayment Report

Disclosure

Control #

Payoff
Period

Initial

Balance

Type

Payoff

Amount

Penalty

Amount

Prepayment

Date

Maturity

Date

Property

Type

Geographic

Location

Statement Date:

Cumulative

Current

Page 16 of 26

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

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:

5.53000%

1-Mar-14

CCMT04CA

Mobile home park

0.00

37,724,784

216,202

5.53000%

1-Mar-14

CCMT04CA

Mobile home park

0.00

34,048,924

195,136

5.05000%

1-Mar-09

CCMT04CA

Mobile home park

0.00

24,571,413

133,545

4.63000%

11-May-14

CCMT04CA

Retail

0.00

93,000,000

370,786

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

11,840,000

44,677

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

8,760,000

33,055

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

6,960,000

26,263

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

6,760,000

25,508

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

5,920,000

22,338

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

5,196,000

19,607

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

4,512,000

17,026

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

4,053,000

15,294

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

3,886,000

14,663

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

3,369,000

12,713

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

3,280,000

12,377

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

3,240,000

12,226

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

3,056,000

11,531

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

2,552,000

9,630

4.38200%

11-May-09

CCMT04CA

Self storage

0.00

1,616,000

6,098

4.27650%

1-Mar-10

CCMT04CB

Retail

0.00

62,142,458

287,899

5.00000%

11-Apr-14

CCMT04CA

Office

0.00

57,000,000

245,417

6.12000%

11-Jun-14

CCMT04CA

Retail

0.00

35,395,860

215,587

5.38000%

11-May-14

CCMT04CA

Retail

0.00

26,960,000

124,900

5.38000%

11-May-14

CCMT04CA

Retail

0.00

7,740,000

35,858

5.37000%

11-May-14

CCMT04CA

Mixed use

0.00

32,670,000

151,072

Page 17 of 26

* 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

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

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:

5.55000%

1-Nov-13

CCMT04CA

Office

0.00

28,295,859

153,985

5.69000%

1-Jan-14

CCMT04CA

Other

0.00

26,785,277

156,537

5.82000%

1-Jan-14

CCMT04CA

Retail

0.00

2,569,975

15,230

5.82000%

1-Jan-14

CCMT04CA

Retail

0.00

2,440,980

14,465

6.12000%

1-Jan-15

CCMT04CA

Retail

0.00

11,416,769

69,838

6.12000%

1-Jan-15

CCMT04CA

Retail

0.00

8,239,929

50,405

5.28000%

1-Dec-08

CCMT04CA

Self storage

0.00

4,307,776

24,102

5.28000%

1-Dec-08

CCMT04CA

Self storage

0.00

4,033,465

22,567

5.28000%

1-Dec-08

CCMT04CA

Self storage

0.00

3,964,144

22,179

5.28000%

1-Dec-08

CCMT04CA

Self storage

0.00

3,466,026

19,392

5.28000%

1-Dec-08

CCMT04CA

Self storage

0.00

3,378,881

18,905

5.28000%

1-Dec-08

CCMT04CA

Self storage

0.00

2,287,578

12,799

5.28000%

1-Dec-08

CCMT04CA

Self storage

0.00

1,883,538

10,538

5.56300%

11-May-11

CCMT04CA

Lodging

0.00

22,967,207

142,725

5.97500%

1-Feb-14

CCMT04CA

Office

0.00

21,854,592

131,548

5.92000%

11-Apr-14

CCMT04CA

Lodging

0.00

20,855,477

134,278

5.60000%

11-Apr-14

CCMT04CA

Office

0.00

19,104,909

110,223

5.05000%

1-Nov-10

CCMT04CA

Office

0.00

13,629,000

59,267

5.05000%

1-Nov-10

CCMT04CA

Office

0.00

5,171,000

22,487

5.91000%

9-Oct-13

CCMT04CA

Retail

0.00

18,705,577

121,374

5.34646%

1-May-14

CCMT04CA

Office

0.00

11,950,932

66,983

5.35384%

1-May-14

CCMT04CA

Office

0.00

5,577,140

31,285

4.92000%

11-Jun-14

CCMT04CA

Multifamily

0.00

17,500,000

74,142

5.07000%

11-Apr-14

CCMT04CA

Retail

0.00

17,402,750

94,694

5.99000%

1-Feb-14

CCMT04CA

Retail

0.00

15,646,237

94,328

Page 18 of 26

(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

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

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:

5.65000%

11-Apr-14

CCMT04CA

Office

0.00

15,000,000

72,979

5.29000%

11-May-16

CCMT04CA

Retail

0.00

14,738,705

82,093

5.21000%

1-Mar-09

CCMT04CA

Office

0.00

14,531,011

80,398

5.67000%

1-Nov-13

CCMT04CA

Office

0.00

14,017,952

81,916

5.45000%

1-Mar-14

CCMT04CA

Self storage

0.00

12,920,765

73,405

6.46000%

1-Dec-13

CCMT04CA

Mixed use

0.00

12,902,930

81,827

6.18600%

1-May-14

CCMT04CA

Industrial

0.00

12,159,082

74,610

5.51000%

11-Mar-14

CCMT04CA

Office

0.00

11,927,834

68,210

5.79000%

11-Apr-14

CCMT04CA

Multifamily

0.00

2,467,506

15,693

5.79000%

11-Apr-14

CCMT04CA

Multifamily

0.00

2,244,090

14,272

5.79000%

11-Apr-14

CCMT04CA

Multifamily

0.00

2,184,512

13,894

5.77000%

1-Jan-14

CCMT04CA

Multifamily

0.00

2,090,641

13,331

5.77000%

1-Jan-14

CCMT04CA

Multifamily

0.00

1,445,162

9,215

5.77000%

1-Jan-14

CCMT04CA

Multifamily

0.00

777,936

4,961

6.09500%

1-Jun-15

CCMT04CA

Retail

0.00

10,971,306

66,624

5.34000%

11-May-14

CCMT04CA

Mobile home park

0.00

10,480,000

48,191

5.76500%

9-Nov-13

CCMT04CA

Retail

0.00

9,816,356

58,453

5.31000%

1-Mar-13

CCMT04CA

Retail

0.00

9,810,000

44,856

5.44000%

11-Feb-14

CCMT04CA

Multifamily

0.00

9,700,000

45,439

5.72000%

11-May-14

CCMT04CA

Lodging

0.00

9,049,133

57,084

5.55000%

1-Feb-14

CCMT04CA

Retail

0.00

8,934,893

51,384

5.40000%

1-Mar-14

CCMT04CA

Retail

0.00

8,000,000

37,200

5.28000%

1-Jun-13

CCMT04CA

Retail

0.00

7,524,172

42,386

5.68000%

1-Mar-13

CCMT04CA

Retail

0.00

7,500,000

36,683

5.88000%

1-Feb-14

CCMT04CA

Retail

0.00

7,449,407

44,389

Page 19 of 26

(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

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

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:

5.83000%

1-Jan-14

CCMT04CA

Mixed use

0.00

7,194,066

42,678

5.25000%

1-Feb-09

CCMT04CA

Multifamily

0.00

7,100,000

32,098

5.91000%

11-Jun-14

CCMT04CA

Retail

0.00

6,980,928

41,564

5.44000%

1-Sep-13

CCMT04CA

Multifamily

0.00

6,800,000

31,854

5.00000%

1-Jun-14

CCMT04CA

Multifamily

0.00

6,652,753

44,217

5.97000%

1-Nov-13

CCMT04CA

Office

0.00

6,438,903

38,846

5.62000%

1-Nov-13

CCMT04CA

Mixed use

0.00

4,375,183

25,430

5.73000%

1-Oct-13

CCMT04CA

Office

0.00

2,057,461

12,112

6.00000%

1-Feb-14

CCMT04CA

Mixed use

0.00

5,811,543

35,074

5.64000%

1-Feb-14

CCMT04CA

Retail

0.00

5,808,473

33,731

5.95000%

11-Jun-14

CCMT04CA

Retail

0.00

5,644,722

33,753

5.82000%

1-Nov-13

CCMT04CA

Retail

0.00

5,595,126

33,224

5.52000%

1-Feb-09

CCMT04CA

Office

0.00

5,559,234

31,866

5.63000%

11-May-14

CCMT04CA

Multifamily

0.00

5,459,006

31,563

6.08000%

1-Mar-12

CCMT04CA

Retail

0.00

2,729,866

18,178

6.08000%

1-Mar-12

CCMT04CA

Retail

0.00

2,583,623

17,204

6.20000%

1-Dec-13

CCMT04CA

Retail

0.00

5,277,820

32,583

5.41000%

11-Apr-13

CCMT04CA

Multifamily

0.00

5,168,172

29,204

4.30000%

11-Apr-09

CCMT04CA

Multifamily

0.00

5,100,000

18,884

6.02000%

1-Oct-13

CCMT04CA

Office

0.00

4,949,178

30,042

6.10000%

1-Mar-19

CCMT04CA

Retail

0.00

4,899,807

42,463

6.10000%

1-Oct-13

CCMT04CA

Office

0.00

4,831,279

29,573

5.15000%

11-Mar-13

CCMT04CA

Retail

0.00

4,793,584

26,346

5.36000%

1-May-14

CCMT04CA

Mobile home park

0.00

4,644,000

21,435

5.69000%

1-Jan-13

CCMT04CA

Retail

0.00

4,315,406

25,220

100

Page 20 of 26

(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

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

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:

5.93000%

1-Dec-13

CCMT04CA

Retail

0.00

4,313,344

25,885

101

5.60000%

11-Apr-14

CCMT04CA

Mixed use

0.00

4,079,694

23,537

102

5.97000%

1-Mar-16

CCMT04CA

Retail

0.00

4,077,805

24,503

103

5.06000%

11-Mar-09

CCMT04CA

Office

0.00

4,060,943

24,112

104

5.97000%

11-Apr-14

CCMT04CA

Retail

0.00

3,981,773

23,905

105

5.25000%

1-Feb-11

CCMT04CA

Retail

0.00

3,969,206

22,088

106

4.70000%

11-Mar-09

CCMT04CA

Multifamily

0.00

3,500,000

14,165

107

5.99000%

1-Nov-13

CCMT04CA

Retail

0.00

3,451,208

22,529

108

6.00000%

11-May-13

CCMT04CA

Office

0.00

3,263,507

19,635

109

5.34000%

11-Apr-14

CCMT04CA

Retail

0.00

3,208,089

17,989

110

5.24000%

11-Mar-14

CCMT04CA

Retail

0.00

2,980,846

16,548

111

6.02000%

1-Jan-14

CCMT04CA

Retail

0.00

2,848,206

18,591

112

5.98000%

1-Mar-14

CCMT04CA

Retail

0.00

2,421,849

14,568

113

6.23000%

11-May-14

CCMT04CA

Retail

0.00

2,387,778

15,802

114

5.41000%

1-Jan-11

CCMT04CA

Mobile home park

0.00

2,330,160

13,211

115

4.27650%

1-Mar-10

CCMT04CB

0.00

3,142,458

70,629

20b

1,183,118,845

6,280,010

Page 21 of 26

(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

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

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 Available

Not Avail

Not Avail Not Avail

Page 22 of 26

(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

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Specially Serviced Loan Detail (Part II) ~ Servicer Comments (End of Period)

Disclosure

Control #

Resolution

Strategy

Comments

Statement Date:

Page 23 of 26

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Modified Loan Detail

Disclosure

Control #

Modification

Date

Cutoff

Maturity

Date

Modification

Description

Modified

Maturity

Date

Statement Date:

Not Avail.

Page 24 of 26

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

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:

Not Avail.

Current Total
Cumulative

Page 25 of 26

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

Citigroup Commercial Mortgage Securities Inc.

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

17-Sep-04
17-Sep-04

17-Aug-04

18-Oct-04

31-Aug-04

Commerical Mortgage Pass-Through Rate

Series 2004-C1

ABN AMRO Acct: 721885.1

Appraisal Reduction Detail

Disclosure

Control#

Appraisal

Red. Date

Scheduled

Balance

ASER

Note

Rate

Maturity

Date

Property

Type

Geographic

Location

Appraisal

Value Date

DSCR

Statement Date:

Remaining Term

Life

ARA

Amount

Current P&I

Advance

Page 26 of 26

Citigroup Commercial Mortgage Trust 2004-C1 8-K