CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION ============================================================================== CITIBANK CREDIT CARD MASTER TRUST I For the Due Period Ending July 28, 2008 ============================================================================== This Certificate relates to the Due Period ending July 28, 2008 and the related Distribution Date. <table> <Caption> A. Information Regarding the portfolio ------------------------------------ 1. Portfolio Yield For Group 1 ............................ 9.08% Portfolio Yield For Group 2 ............................ 9.10% Yield Component For Group 1 ........................ 14.67% Yield Component For Group 2 ........................ 14.69% Credit Loss Component ............................. 5.59% 2. New Purchase Rate ..................................... 22.35% 3. Total Payment Rate .................................... 21.64% 4. Principal Payment Rate ................................ 20.75% 5. Aggregate Amount of Principal Receivables in the Trust : Beginning of Due Period ............................ $ 77,454,445,472 Average ............................................ $ 77,144,685,320 Lump Sum Addition/(Removal) ......................... $ 188,391,237 End of Due Period .................................. $ 77,951,321,137 </table> <table> <Caption> 6. Delinquencies (Aggregate outstanding balances in the Accounts that were delinquent by the time periods listed below as of the close of business of the month preceding the Distribution Date, as a percentage of aggregate Receivables as of the last day of the Due Period) : Current .......................................... $ 73,085,991,296 5-34 days delinquent ........................... $ 2,257,546,581 35-64 days delinquent ........................... $ 902,182,769 65-94 days delinquent ........................... $ 673,578,017 95-124 days delinquent ........................... $ 571,058,748 125-154 days delinquent ........................... $ 481,836,266 155-184 days delinquent ........................... $ 461,609,266 Current ........................................... 93.18% 5-34 days delinquent ........................... 2.88% 35-64 days delinquent ........................... 1.15% 65-94 days delinquent ........................... 0.86% 95-124 days delinquent ........................... 0.73% 125-154 days delinquent ........................... 0.61% 155-184 days delinquent ........................... 0.59% </table> Page 1 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION ============================================================================== CITIBANK CREDIT CARD MASTER TRUST I - GROUP 1 For the Due Period Ending July 28, 2008 ============================================================================== <table> <Caption> Current Due Current Due Period on an Period on a Actual Basis (1) Standard Basis (1) B. Information Regarding Group 1 ----------------------------- (Percentage Basis) 1. Portfolio Yield 9.08% 9.08% 2. Weighted Average Certificate Rate 6.25% 6.25% 3. Weighted Average Investor Fee Rates Fixed Servicing Fee 0.37% 0.37% Others 0.37% 0.37% 4. Surplus Finance Charge Collections 2.09% 2.09% 5. Required Surplus Finance Charge Amount 0.00% 0.00% 6. Aggregate Surplus Finance Charge Amount 2.09% 2.09% minus Required Surplus Finance Charge Amount </table> <table> <Caption> C. Information Regarding Group 1 ----------------------------- (Dollars Basis) 1. Total Investor Collections $ 509,513,071 $ 509,513,071 Principal Collections $ 478,744,009 $ 478,744,009 Finance Charge Collections $ 30,769,062 $ 30,769,062 2. Investor Default Amount $ 11,634,643 $ 11,634,643 3. Investor Monthly Interest $ 12,023,710 $ 12,023,710 4. Investor Monthly Fees Fixed Servicing Fees $ 711,509 $ 711,509 Others $ 816,058 $ 816,058 5. Surplus Finance Charge Collections $ 5,583,142 $ 5,583,142 6. Required Surplus Finance Charge Collections $ 0 $ 0 7. Aggregate Surplus Finance Charge Amount $ 5,583,142 $ 5,583,142 minus Required Surplus Finance Charge Amount </table> (1) Values for "Current Due Period on an Actual Basis" reflect, in the case of a first due period close of a series, activity from the close date until the first due period end, or, as in the case of Investor Monthly Interest and certain fees, until the first distribution date. Values for "Current Due Period on a Standard Basis" reflect activity for the entire current period, as if all series had already been outstanding prior to the first day of such period. All percents are based on actual cash revenue or expense for the period, converted to an annualized percent using day count appropriate for the item, either 30/360, actual/360, or actual/actual. Depending on the item, cash expenses may accrue from June 26,2008 to July 28, 2008, 33 days, or July 2,2008 to August 3,2008, 33 days (standard basis). Page 2 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION ============================================================================== CITIBANK CREDIT CARD MASTER TRUST I - GROUP 2 For the Due Period Ending July 28, 2008 ============================================================================== <table> <Caption> Current Due Current Due Period on an Period on a Actual Basis (1) Standard Basis (1) B. Information Regarding Group 2 ----------------------------- (Percentage Basis) 1. Portfolio Yield 9.10% 9.10% 2. Weighted Average Interest Rate (2) 3.44% 3.44% 3. Weighted Average Investor Fee Rates Fixed Servicing Fee 0.37% 0.37% Others 0.03% 0.03% 4. Surplus Finance Charge Collections 5.26% 5.26% 5. Surplus Finance Charge Collections For Purposes of Funding Class C Reserve Account 5.06% 5.06% 6. Required Surplus Finance Charge Amount 0.00% 0.00% 7. Aggregate Surplus Finance Charge Amount 5.26% 5.26% minus Required Surplus Finance Charge Amount </table> <table> <Caption> C. Information Regarding Group 2 ----------------------------- (Dollars Basis) 1. Total Investor Collections $15,303,807,282 $15,303,807,282 Principal Collections $14,378,784,706 $14,378,784,706 Finance Charge Collections $ 925,022,576 $ 925,022,576 2. Investor Default Amount $ 349,439,419 $ 349,439,419 3. Targeted Deposit to Interest Funding Account (3) $ 198,408,781 $ 198,408,781 4. Investor Monthly Fees Fixed Servicing Fees $ 21,369,735 $ 21,369,735 Others $ 1,560,000 $ 1,560,000 5. Surplus Finance Charge Collections $ 354,244,641 $ 354,244,641 6. Required Surplus Finance Charge Collections $ 0 $ 0 7. Aggregate Surplus Finance Charge Amount $ 354,244,641 $ 354,244,641 minus Required Surplus Finance Charge Amount </table> (1) Values for "Current Due Period on an Actual Basis" reflect, in the case of a first due period close of a tranche of Notes, activity from the close date until the first due period end, or, as in the case of Targeted Deposit to Interest Funding Account and certain fees, until the first Monthly Interest Date. Values for "Current Due Period on a Standard Basis" reflect activity for the entire current period, as if all Notes had already been outstanding prior to the first day of such period. All percents are based on actual cash revenue or expense for the period, converted to an annualized percent using day count appropriate for the item, either 30/360, actual/360, or actual/actual. Depending on the item, cash expenses may accrue from June 26,2008 to July 28,2008, 33 days, or July 2,2008 to August 3,2008, 33 days (standard basis). (2) Defined in the definition section of the Indenture. (3) Referenced in sections 501 and 503 of the Indenture. Page 3 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION ============================================================================== Citibank Credit Card Master Trust I, Series 1997-4 For the Due Period Ending July 28, 2008 ============================================================================== The undersigned, a duly authorized representative of Citibank (South Dakota), National Association, as Servicer ("Citibank (South Dakota)"), pursuant to the Pooling and Servicing Agreement dated as of May 29, 1991, as amended and restated as of October 5, 2001 (as amended and supplemented, the "Agreement"), as supplemented by the Series 1997-4 Supplement (as amended, the "Series Supplement"), between Citibank (South Dakota), as Seller, Servicer, and successor by merger to Citibank (Nevada), National Association, as Seller, and Deutsche Bank Trust Company Americas (formerly Bankers Trust Company), as Trustee, does hereby certify the information set forth below. Capitalized terms used in this Certificate have their respective meanings as set forth in the Agreement or Series Supplement, as applicable. <table> <Caption> D. Information Regarding Series 1997-4 ------------------------------------------------- 1a. Class A Invested Amount................................ $ 750,000,000 1b. Class B Invested Amount................................ $ 48,000,000 2a. Class A Monthly Interest............................... $ 4,254,000 2b. Class B Monthly Interest............................... $ 279,356 3a. Balance in the Class A Interest Funding Account ...... $ 8,508,000 3b Balance in the Class B Interest Funding Account ...... $ 558,712 4a. Available Cash Collateral Amount ..................... $ 55,860,000 4b. Percent of Class B Invested Amount .................... 116.38% 5a. Class A Investor Charge-offs ......................... $ 0 5b. Class B Investor Charge-offs ......................... $ 0 6. Required Amount ...................................... $ 0 7. Draw on Cash Collateral Account ...................... $ 0 8a. Class A Monthly Principal for the Distribution Date (2) $ 0 8b. Class B Monthly Principal for the Distribution Date (2) $ 0 9a. Balance in the Class A Principal Funding Account (2)... $ 0 9b. Balance in the Class B Principal Funding Account (2)... $ 0 </table> ------------------------------------------------------- (2) Applicable during the Accumulation Period and any Early Amortization Period. Page 4 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION ============================================================================== Citibank Credit Card Master Trust I, Series 1997-4 For the Due Period Ending July 28, 2008 ============================================================================== <table> <Caption> E. Information Regarding Charge-offs and Distributions to Certificateholders(3) ------------------------------------------------------------------------- 1a. The total amount of the distribution to Class A Certificateholders On the Payment Date ................. $ 0 1b. The total amount of the distribution to Class B Certificateholders On the Payment Date ................. $ 0 2a. The amount of the distribution set forth in item 1(a) above in respect of principal on the Class A Certificates .... $ 0 2b. The amount of the distribution set forth in item 1(b) above in respect of principal on the Class B Certificates .... $ 0 3a. The amount of the distribution set forth in item 1(a) above in respect of interest on the Class A Certificates ...... $ 0 3b. The amount of the distribution set forth in item 1(b) above in respect of interest on the Class B Certificates ...... $ 0 4a. The amount, if any, by which the outstanding principal balance of the Class A Certificates exceeds the Class A Invested Amount as of the end of the Record Date with respect to the Payment Date ............................. $ 0 4b. The amount, if any, by which the outstanding principal balance of the Class B Certificates exceeds the Class B Invested Amount as of the end of the Record Date with respect to the Payment Date ............................. $ 0 </table> ---------------------------------------------------------- (3) The following information, as applicable, is included only on Payment Date. Page 5 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION ============================================================================== Citibank Credit Card Master Trust I, Series 1997-4 For the Due Period Ending July 28, 2008 ============================================================================== The undersigned, a duly authorized representative of Citibank (South Dakota), National Association, as Servicer ("Citibank (South Dakota)"), pursuant to the Pooling and Servicing Agreement dated as of May 29, 1991, as amended and restated as of October 5, 2001 (as amended and supplemented, the "Agreement"), as supplemented by the Series 1997-4 Supplement (as amended, the "Series Supplement"), between Citibank (South Dakota), as Seller, Servicer, and successor by merger to Citibank (Nevada), National Association, as Seller, and Deutsche Bank Trust Company Americas (formerly Bankers Trust Company), as Trustee, does hereby certify as follows: 1. Capitalized terms used in this Certificate have their respective meanings as set forth in the Agreement or Series Supplement, as applicable. 2. Citibank (South Dakota) is, as of the date hereof, the Servicer under the Agreement. 3. The undersigned is a Servicing Officer. 4. This Certificate relates to the Distribution Date occurring on August 11, 2008 5. As of the date hereof, to the best knowledge of the undersigned, the Servicer has performed in all material respects all its obligations under the Agreement through the Due Period preceeding such Distribution Date. 6. As of date hereof, to the best knowledge of the undersigned, no Amortization Event has been deemed to have occurred on or prior to such Distribution Date. 7. As of date hereof, to the best knowledge of the undersigned, no Lien has been place on any of the Receivables other than pursuant to the Agreement. IN WITNESS WHEREOF, the undersigned has duly executed and delivered this Certificate this 15 day of August 2008 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION. Servicer, By: /s/ Andrew Lubliner __________________________________________ Name: Andrew Lubliner Title: Servicing Officer Page 6 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION ============================================================================== Citibank Credit Card Master Trust I, Series 1999-2 For the Due Period Ending July 28, 2008 ============================================================================== The undersigned, a duly authorized representative of Citibank (South Dakota), National Association, as Servicer ("Citibank (South Dakota)"), pursuant to the Pooling and Servicing Agreement dated as of May 29, 1991, as amended and restated as of October 5, 2001 (as amended and supplemented, the "Agreement"), as supplemented by the Series 1999-2 Supplement (as amended, the "Series Supplement"), between Citibank (South Dakota), as Seller, Servicer, and successor by merger to Citibank (Nevada), National Association, as Seller, and Deutsche Bank Trust Company Americas (formerly Bankers Trust Company), as Trustee, does hereby certify the information set forth below. Capitalized terms used in this Certificate have their respective meanings as set forth in the Agreement or Series Supplement, as applicable. <table> <Caption> D. Information Regarding Series 1999-2 ------------------------------------------------- 1a. Class A Invested Amount................................ $ 750,000,000 1b. Class B Invested Amount................................ $ 48,000,000 2a. Class A Monthly Interest............................... $ 3,671,875 2b. Class B Monthly Interest............................... $ 246,000 3a. Balance in the Class A Interest Funding Account ...... $ 18,359,375 3b Balance in the Class B Interest Funding Account ...... $ 1,230,000 4a. Available Cash Collateral Amount ..................... $ 47,880,000 4b. Percent of Class B Invested Amount .................... 99.75% 5a. Class A Investor Charge-offs ......................... $ 0 5b. Class B Investor Charge-offs ......................... $ 0 6. Required Amount ...................................... $ 0 7. Draw on Cash Collateral Account ...................... $ 0 8a. Class A Monthly Principal for the Distribution Date (2) $ 0 8b. Class B Monthly Principal for the Distribution Date (2) $ 0 9a. Balance in the Class A Principal Funding Account (2)... $ 0 9b. Balance in the Class B Principal Funding Account (2)... $ 0 </table> ------------------------------------------------------- (2) Applicable during the Accumulation Period and any Early Amortization Period. Page 7 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION ============================================================================== Citibank Credit Card Master Trust I, Series 1999-2 For the Due Period Ending July 28, 2008 ============================================================================== <table> <Caption> E. Information Regarding Charge-offs and Distributions to Certificateholders(3) ------------------------------------------------------------------------- 1a. The total amount of the distribution to Class A Certificateholders On the Payment Date ................. $ 0 1b. The total amount of the distribution to Class B Certificateholders On the Payment Date ................. $ 0 2a. The amount of the distribution set forth in item 1(a) above in respect of principal on the Class A Certificates .... $ 0 2b. The amount of the distribution set forth in item 1(b) above in respect of principal on the Class B Certificates .... $ 0 3a. The amount of the distribution set forth in item 1(a) above in respect of interest on the Class A Certificates ...... $ 0 3b. The amount of the distribution set forth in item 1(b) above in respect of interest on the Class B Certificates ...... $ 0 4a. The amount, if any, by which the outstanding principal balance of the Class A Certificates exceeds the Class A Invested Amount as of the end of the Record Date with respect to the Payment Date ............................. $ 0 4b. The amount, if any, by which the outstanding principal balance of the Class B Certificates exceeds the Class B Invested Amount as of the end of the Record Date with respect to the Payment Date ............................. $ 0 </table> ---------------------------------------------------------- (3) The following information, as applicable, is included only on Payment Date. Page 8 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION ============================================================================== Citibank Credit Card Master Trust I, Series 1999-2 For the Due Period Ending July 28, 2008 ============================================================================== The undersigned, a duly authorized representative of Citibank (South Dakota), National Association, as Servicer ("Citibank (South Dakota)"), pursuant to the Pooling and Servicing Agreement dated as of May 29, 1991, as amended and restated as of October 5, 2001 (as amended and supplemented, the "Agreement"), as supplemented by the Series 1999-2 Supplement (as amended, the "Series Supplement"), between Citibank (South Dakota), as Seller, Servicer, and successor by merger to Citibank (Nevada), National Association, as Seller, and Deutsche Bank Trust Company Americas (formerly Bankers Trust Company), as Trustee, does hereby certify as follows: 1. Capitalized terms used in this Certificate have their respective meanings as set forth in the Agreement or Series Supplement, as applicable. 2. Citibank (South Dakota) is, as of the date hereof, the Servicer under the Agreement. 3. The undersigned is a Servicing Officer. 4. This Certificate relates to the Distribution Date occurring on August 11, 2008 5. As of the date hereof, to the best knowledge of the undersigned, the Servicer has performed in all material respects all its obligations under the Agreement through the Due Period preceeding such Distribution Date. 6. As of date hereof, to the best knowledge of the undersigned, no Amortization Event has been deemed to have occurred on or prior to such Distribution Date. 7. As of date hereof, to the best knowledge of the undersigned, no Lien has been place on any of the Receivables other than pursuant to the Agreement. IN WITNESS WHEREOF, the undersigned has duly executed and delivered this Certificate this 15 day of August 2008 CITIBANK (SOUTH DAKOTA), NATIONAL ASSOCIATION. Servicer, By: /s/ Andrew Lubliner __________________________________________ Name: Andrew Lubliner Title: Servicing Officer Page 9