CITIBANK SOUTH DAKOTA N A
8-K, 1997-06-19
ASSET-BACKED SECURITIES
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                       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): June 9, 1997
                      ------------------------------------


                          CITIBANK (SOUTH DAKOTA), N.A.
                                  ON BEHALF OF
                       CITIBANK CREDIT CARD MASTER TRUST I 
         (Issuer in respect of the Citibank Credit Card Master Trust I

      8 7/8% Class A Credit Card Participation Certificates, Series 1991-3
      9 1/4% Class B Credit Card Participation Certificates, Series 1991-3
      7.875% Class A Credit Card Participation Certificates, Series 1991-6
      8.350% Class B Credit Card Participation Certificates, Series 1991-6
      6 1/4% Class B Credit Card Participation Certificates, Series 1992-1
   Floating Rate Class A Credit Card Participation Certificates, Series 1992-3
   Floating Rate Class B Credit Card Participation Certificates, Series 1992-3
      5 1/2% Class B Credit Card Participation Certificates, Series 1993-1
       5.95% Class A Credit Card Participation Certificates, Series 1993-2
       6.15% Class B Credit Card Participation Certificates, Series 1993-2
       5.50% Class A Credit Card Participation Certificates, Series 1993-3
       5.70% Class B Credit Card Participation Certificates, Series 1993-3
       7.25% Class A Credit Card Participation Certificates, Series 1994-2
       7.50% Class B Credit Card Participation Certificates, Series 1994-2
       6.80% Class A Credit Card Participation Certificates, Series 1994-3
       7.00% Class B Credit Card Participation Certificates, Series 1994-3
       8.25% Class A Credit Card Participation Certificates, Series 1994-4
       8.25% Class A Credit Card Participation Certificates, Series 1995-1
       8.45% Class B Credit Card Participation Certificates, Series 1995-1

                                                (cover page 1 of 2 pages)
                                       1
<PAGE>

       7.85% Class A Credit Card Participation Certificates, Series 1995-3
   Floating Rate Class A Credit Card Participation Certificates, Series 1995-4
       7.65% Class B Credit Card Participation Certificates, Series 1995-4
   Floating Rate Class A Credit Card Participation Certificates, Series 1995-5
       6.75% Class A Credit Card Participation Certificates, Series 1995-6
       6.90% Class B Credit Card Participation Certificates, Series 1995-6
       6.70% Class A Credit Card Participation Certificates, Series 1995-8
       6.85% Class B Credit Card Participation Certificates, Series 1995-8
       6.55% Class A Credit Card Participation Certificates, Series 1995-9
       6.65% Class B Credit Card Participation Certificates, Series 1995-9
      5.90% Class A Credit Card Participation Certificates, Series 1995-10
      6.05% Class B Credit Card Participation Certificates, Series 1995-10
  Floating Rate Class A Credit Card Participation Certificates, Series 1995-11
    Zero Coupon Class A Credit Card Participation Certificates, Series 1996-1
    Zero Coupon Class B Credit Card Participation Certificates, Series 1996-1
   Floating Rate Class A Credit Card Participation Certificates, Series 1996-5
   Floating Rate Class B Credit Card Participation Certificates, Series 1996-5
   Floating Rate Class A Credit Card Participation Certificates, Series 1996-6
   Floating Rate Class B Credit Card Participation Certificates, Series 1996-6
       6.55% Class A Credit Card Participation Certificates, Series 1997-2
       6.70% Class B Credit Card Participation Certificates, Series 1997-2
      6.839% Class A Credit Card Participation Certificates, Series 1997-3
      6.989% Class B Credit Card Participation Certificates, Series 1997-3
   Floating Rate Class A Credit Card Participation Certificates, Series 1997-4
   Floating Rate Class B Credit Card Participation Certificates, Series 1997-4
                       (collectively, the "Certificates"))

               (Exact name of registrant as specified in charter)



         UNITED STATES OF AMERICA                   46-0358360
    (State or other jurisdiction of     (I.R.S. Employer Identification No.)
           incorporation) 


      33-38312,  33-41054,  33-41055,  33-42235,  33-43575,  33-43576, 33-47657,
     33-48148, 33-52152, 33-62180, 33-77802, 33-84834, 33-97664 AND 33-99328
                              (Commission File No.)


                          701 EAST 60TH STREET, NORTH
                         SIOUX FALLS, SOUTH DAKOTA 57117
               (Address of principal executive offices) (Zip Code)


        Registrant's telephone number, including area code (605) 331-2626


                                 NOT APPLICABLE
          (Former name or former address, if changed since last report)


                                                       (cover page 2 of 2 pages)


                                       2
<PAGE>



ITEM 5.  OTHER EVENTS.

     Set forth below is the monthly report and servicer's  certificate  for each
Series  referenced on the cover page of this Form 8-K (each, a "Monthly Report")
for the Due  Period  ending  May 27,  1997  and the  related  Distribution  Date
delivered  pursuant to Section 5.02 of the applicable  Series  Supplement to the
Pooling and Servicing Agreement (together, the "Agreement") relating to Citibank
Credit Card Master Trust I, among Citibank (South  Dakota),  N.A., as Seller and
Servicer,  Citibank (Nevada),  National Association,  as Seller, and Yasuda Bank
and Trust Company (U.S.A.), as Trustee. Each Monthly Report contains information
relating  to the  distribution,  if any,  to  Certificateholders  of the related
Series on the referenced  Distribution  Date as well as information  relating to
the  Receivables  and the  Accounts  from  which the  Receivables  have  arisen.
Capitalized terms used but not defined herein have the meanings set forth in the
Agreement.


                                       3
<PAGE>

                          CITIBANK (SOUTH DAKOTA), N.A.
                     CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

                       CITIBANK CREDIT CARD MASTER TRUST I
                     For the Due Period Ending May 27, 1997

================================================================================


This  Certificate  relates to the Due Period ending May 27, 1997 and the related
Distribution Date.

A.  Information Regarding the Portfolio
    -----------------------------------

    1.  Portfolio Yield.........................................         11.77%

          Yield Component.......................................         17.85%

          Credit Loss Component.................................          6.08%

    2.  New Purchase Rate.......................................         20.55%

    3.  Total Payment Rate......................................         20.52%

    4.  Principal Payment Rate..................................         19.44%

    5.  Aggregate Amount of Principal Receivables in the Trust:

          Beginning of Due Period..............................$ 35,252,641,027

          Average..............................................$ 35,124,075,505

          Lump Sum Addition....................................$              0

          End of Due Period....................................$ 35,191,067,004

    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............................................$ 31,546,166,038
               5-34 days delinquent............................$  2,147,726,501
              35-64 days delinquent............................$    637,879,345
              65-94 days delinquent............................$    363,159,264
             95-124 days delinquent............................$    272,274,215
            125-154 days delinquent............................$    232,379,808
            155-184 days delinquent............................$    187,525,485

            Current.............................................         89.14%
               5-34 days delinquent.............................          6.07%
              35-64 days delinquent.............................          1.80%
              65-94 days delinquent.............................          1.03%
             95-124 days delinquent.............................          0.77%
            125-154 days delinquent.............................          0.66%
            155-184 days delinquent.............................          0.53%

                                       4
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

                  CITIBANK CREDIT CARD MASTER TRUST I - GROUP 1
                     For the Due Period Ending May 27, 1997

================================================================================

                                             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                              11.77%              11.77%
   2.  Weighted Average Certificate Rate             6.57%               6.57%
   3.  Weighted Average Investor Fee Rates
           Fixed Servicing Fee                       0.57%               0.57%
           Others                                    0.11%               0.11%
   4.  Surplus Finance Charge Collections            4.52%               4.52%
   5.  Required Surplus Finance Charge Amount        0.00%               0.00%
   6.  Aggregate Surplus Finance Charge Amount       4.52%               4.52%
        minus Required Surplus Finance Charge Amount

C. Information Regarding Group 1
   -----------------------------
   (Dollar Basis)

   1.  Total Investor Collections                 $5,518,611,152 $ 5,518,611,152
           Principal Collections                  $5,140,035,063 $ 5,140,035,063
           Finance Charge Collections             $  378,576,089 $   378,576,089
   2.  Investor Default Amount                    $  128,512,264 $   128,512,264
   3.  Investor Monthly Interest                  $  133,608,082 $   133,608,082
   4.  Investor Monthly Fees
           Fixed Servicing Fees                   $   11,422,185 $    11,422,185
           Others                                 $    2,236,391 $     2,236,391
   5.  Surplus Finance Charge Collections         $  102,797,167 $   102,797,167
   6.  Required Surplus Finance Charge Collections$            0 $             0
   7.  Aggregate Surplus Finance Charge Amount    $  102,797,167 $   102,797,167
       minus Required Surplus Finance Charge Amount


  (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 series cut-off
       or close  dates  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  daycounts  appropriate for the
       item, either 30/360, actual/360, or actual/actual. Depending on the item,
       cash expenses may accrue from April 26, 1997 to May 27, 1997, 32 days, or
       May 7 , 1997 to June 8 , 1997, 33 days (standard basis).

                                       5
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1991-3
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1991-3  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1991-3
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    875,000,000

   1b.  Class B Invested Amount         ......................$    109,000,000

   2a.  Class A Monthly Interest .............................$      6,471,354

   2b.  Class B Monthly Interest .............................$        840,208

   3a.  Balance in the Class A Interest Funding Account.......$     32,356,771

   3b.  Balance in the Class B Interest Funding Account.......$      4,201,042

   4a.  Available Cash Collateral Amount......................$     68,880,000

   4b.  Percent of Class B Invested Amount         ............         63.19%

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       6
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1991-3
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       7
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1991-3
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1991-3
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer


                                       8
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1991-6
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1991-6  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1991-6
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    850,000,000

   1b.  Class B Invested Amount         ......................$    105,500,000

   2a.  Class A Monthly Interest .............................$      5,578,125

   2b.  Class B Monthly Interest .............................$        734,104

   3a.  Balance in the Class A Interest Funding Account.......$      5,578,125

   3b.  Balance in the Class B Interest Funding Account.......$        734,104

   4a.  Available Cash Collateral Amount......................$     66,885,000

   4b.  Percent of Class B Invested Amount         ............         63.40%

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       9
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1991-6
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.

                                       10
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1991-6
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1991-6
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer


                                       11
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1992-1
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1992-1  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1992-1
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    258,333,333

   1b.  Class B Invested Amount         ......................$    134,800,000

   2a.  Class A Monthly Interest .............................$      2,139,878

   2b.  Class B Monthly Interest .............................$        702,083

   3a.  Balance in the Class A Interest Funding Account.......$      2,139,878

   3b.  Balance in the Class B Interest Funding Account.......$      2,808,333

   4a.  Available Cash Collateral Amount......................$    105,300,000

   4b.  Percent of Class B Invested Amount         ............         78.12%

   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)$    129,166,667

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       12
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1992-1
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$  131,306,545

    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.......$  129,166,667

    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........$    2,139,878

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.

                                       13
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1992-1
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1992-1
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer


                                       14
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1992-3
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1992-3  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1992-3
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    312,500,000

   1b.  Class B Invested Amount         ......................$     80,000,000

   2a.  Class A Monthly Interest .............................$      2,171,296

   2b.  Class B Monthly Interest .............................$        440,000

   3a.  Balance in the Class A Interest Funding Account.......$     18,523,872

   3b.  Balance in the Class B Interest Funding Account.......$      1,251,250

   4a.  Available Cash Collateral Amount......................$     93,100,000

   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)$    104,166,667

   8b.  Class B Monthly Principal for the Distribution Date(2)$              0

   9a.  Balance in the Class A Principal Funding Account(2)...$    937,500,000

   9b.  Balance in the Class B Principal Funding Account(2)...$              0

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       15
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1992-3
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$   18,523,872

    1b. The total amount of the distribution to Class B
        Certificateholders on the Payment Date....................$    1,251,250

    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........$   18,523,872

    3b. The amount of the distribution set forth in item 1(b) above
        in respect of interest on the Class B Certificates........$    1,251,250

    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...............................$  937,500,000

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       16
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1992-3
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1992-3
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 16, 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer


                                       17
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1993-1
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1993-1  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1993-1
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    141,666,667

   1b.  Class B Invested Amount         ......................$     74,000,000

   2a.  Class A Monthly Interest .............................$      1,173,481

   2b.  Class B Monthly Interest .............................$        339,167

   3a.  Balance in the Class A Interest Funding Account.......$      1,173,481

   3b.  Balance in the Class B Interest Funding Account.......$      1,356,667

   4a.  Available Cash Collateral Amount......................$     55,440,000

   4b.  Percent of Class B Invested Amount         ............         74.92%

   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)$     70,833,333

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       18
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1993-1
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$   72,006,815

    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.......$   70,833,333

    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........$    1,173,481

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       19
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1993-1
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1993-1
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer


                                       20
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1993-2
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1993-2  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1993-2
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    750,000,000

   1b.  Class B Invested Amount         ......................$     48,000,000

   2a.  Class A Monthly Interest .............................$      3,718,750

   2b.  Class B Monthly Interest .............................$        246,000

   3a.  Balance in the Class A Interest Funding Account.......$     11,156,250

   3b.  Balance in the Class B Interest Funding Account.......$        738,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       21
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1993-2
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       22
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1993-2
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1993-2
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       23
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1993-3
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1993-3  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1993-3
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    750,000,000

   1b.  Class B Invested Amount         ......................$     48,000,000

   2a.  Class A Monthly Interest .............................$      3,437,500

   2b.  Class B Monthly Interest .............................$        228,000

   3a.  Balance in the Class A Interest Funding Account.......$     17,187,500

   3b.  Balance in the Class B Interest Funding Account.......$      1,140,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       24
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1993-3
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       25
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1993-3
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1993-3
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       26
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1994-2
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1994-2  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1994-2
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    940,000,000

   1b.  Class B Invested Amount         ......................$     60,000,000

   2a.  Class A Monthly Interest .............................$      5,679,167

   2b.  Class B Monthly Interest .............................$        375,000

   3a.  Balance in the Class A Interest Funding Account.......$     11,358,333

   3b.  Balance in the Class B Interest Funding Account.......$        750,000

   4a.  Available Cash Collateral Amount......................$     70,000,000

   4b.  Percent of Class B Invested Amount         ............        116.67%

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       27
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1994-2
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       28
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1994-2
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1994-2
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       29
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1994-3
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1994-3  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1994-3
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    500,000,000

   1b.  Class B Invested Amount         ......................$     32,000,000

   2a.  Class A Monthly Interest .............................$      2,833,333

   2b.  Class B Monthly Interest .............................$        186,667

   3a.  Balance in the Class A Interest Funding Account.......$      5,666,667

   3b.  Balance in the Class B Interest Funding Account.......$        373,333

   4a.  Available Cash Collateral Amount......................$     37,240,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       30
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1994-3
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       31
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1994-3
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1994-3
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       32
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1994-4
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1994-4  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1994-4
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    750,000,000

   1b.  Class B Invested Amount         ......................$     48,000,000

   2a.  Class A Monthly Interest .............................$      5,156,250

   2b.  Class B Monthly Interest .............................$        265,650

   3a.  Balance in the Class A Interest Funding Account.......$      5,156,250

   3b.  Balance in the Class B Interest Funding Account.......$        265,650

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       33
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1994-4
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$      265,650

    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........$      265,650

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       34
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1994-4
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1994-4
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       35
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-1
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1995-1  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1995-1
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    625,000,000

   1b.  Class B Invested Amount         ......................$     40,000,000

   2a.  Class A Monthly Interest .............................$      4,296,875

   2b.  Class B Monthly Interest .............................$        281,667

   3a.  Balance in the Class A Interest Funding Account.......$     21,484,375

   3b.  Balance in the Class B Interest Funding Account.......$      1,408,333

   4a.  Available Cash Collateral Amount......................$     46,550,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       36
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-1
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       37
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-1
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1995-1
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       38
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-3
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1995-3  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1995-3
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    625,000,000

   1b.  Class B Invested Amount         ......................$     40,000,000

   2a.  Class A Monthly Interest .............................$      4,088,542

   2b.  Class B Monthly Interest .............................$        218,075

   3a.  Balance in the Class A Interest Funding Account.......$     16,354,167

   3b.  Balance in the Class B Interest Funding Account.......$        218,075

   4a.  Available Cash Collateral Amount......................$     46,550,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       39
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-3
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$      218,075

    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........$      218,075

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       40
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-3
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1995-3
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       41
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-4
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1995-4  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1995-4
    ------------------------------------

   1a.  Class A Invested Amount         ......................$  1,000,000,000

   1b.  Class B Invested Amount         ......................$     64,000,000

   2a.  Class A Monthly Interest .............................$      5,255,556

   2b.  Class B Monthly Interest .............................$        408,000

   3a.  Balance in the Class A Interest Funding Account.......$      5,255,556

   3b.  Balance in the Class B Interest Funding Account.......$      1,632,000

   4a.  Available Cash Collateral Amount......................$     74,480,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       42
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-4
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       43
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-4
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1995-4
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 16, 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       44
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-5
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1995-5  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1995-5
    ------------------------------------

   1a.  Class A Invested Amount         ......................$  1,000,000,000

   1b.  Class B Invested Amount         ......................$     64,000,000

   2a.  Class A Monthly Interest .............................$      5,687,500

   2b.  Class B Monthly Interest .............................$        348,333

   3a.  Balance in the Class A Interest Funding Account.......$      5,687,500

   3b.  Balance in the Class B Interest Funding Account.......$        348,333

   4a.  Available Cash Collateral Amount......................$     74,480,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.



                                       45
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-5
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$      348,333

    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........$      348,333

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       46
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-5
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1995-5
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       47
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-6
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1995-6  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1995-6
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    750,000,000

   1b.  Class B Invested Amount         ......................$     48,000,000

   2a.  Class A Monthly Interest .............................$      4,218,750

   2b.  Class B Monthly Interest .............................$        276,000

   3a.  Balance in the Class A Interest Funding Account.......$     25,312,500

   3b.  Balance in the Class B Interest Funding Account.......$      1,656,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       48
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-6
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$   25,312,500

    1b. The total amount of the distribution to Class B
        Certificateholders on the Payment Date....................$    1,656,000

    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........$   25,312,500

    3b. The amount of the distribution set forth in item 1(b) above
        in respect of interest on the Class B Certificates........$    1,656,000

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       49
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-6
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1995-6
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       50
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-8
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1995-8  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1995-8
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    400,000,000

   1b.  Class B Invested Amount         ......................$     25,540,000

   2a.  Class A Monthly Interest .............................$      2,233,333

   2b.  Class B Monthly Interest .............................$        145,791

   3a.  Balance in the Class A Interest Funding Account.......$      6,700,000

   3b.  Balance in the Class B Interest Funding Account.......$        437,372

   4a.  Available Cash Collateral Amount......................$     29,787,800

   4b.  Percent of Class B Invested Amount         ............        116.63%

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       51
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-8
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       52
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-8
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1995-8
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       53
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-9
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1995-9  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1995-9
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    500,000,000

   1b.  Class B Invested Amount         ......................$     32,000,000

   2a.  Class A Monthly Interest .............................$      2,729,167

   2b.  Class B Monthly Interest .............................$        177,333

   3a.  Balance in the Class A Interest Funding Account.......$      5,458,333

   3b.  Balance in the Class B Interest Funding Account.......$        354,667

   4a.  Available Cash Collateral Amount......................$     37,240,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       54
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-9
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       55
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1995-9
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1995-9
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       56
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

              Citibank Credit Card Master Trust I, Series 1995-10
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented by the Series 1995-10  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1995-10
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    750,000,000

   1b.  Class B Invested Amount         ......................$     48,000,000

   2a.  Class A Monthly Interest .............................$      3,687,500

   2b.  Class B Monthly Interest .............................$        242,000

   3a.  Balance in the Class A Interest Funding Account.......$     14,750,000

   3b.  Balance in the Class B Interest Funding Account.......$        968,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       57
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

              Citibank Credit Card Master Trust I, Series 1995-10
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       58
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

              Citibank Credit Card Master Trust I, Series 1995-10
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the Series  1995-10
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       59
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

              Citibank Credit Card Master Trust I, Series 1995-11
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented by the Series 1995-11  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1995-11
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    625,000,000

   1b.  Class B Invested Amount         ......................$     40,000,000

   2a.  Class A Monthly Interest .............................$      3,040,104

   2b.  Class B Monthly Interest .............................$        197,600

   3a.  Balance in the Class A Interest Funding Account.......$      3,040,104

   3b.  Balance in the Class B Interest Funding Account.......$        197,600

   4a.  Available Cash Collateral Amount......................$     46,550,000

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       60
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

              Citibank Credit Card Master Trust I, Series 1995-11
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$      197,600

    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........$      197,600

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       61
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

              Citibank Credit Card Master Trust I, Series 1995-11
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the Series  1995-11
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 16, 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       62
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1996-1
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1996-1  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1996-1
    ------------------------------------

   1a.  Class A Accreted Invested Amount......................$    805,228,963

   1b.  Class B Accreted Invested Amount......................$     51,252,768

   2a.  Class A Monthly Accretion.............................$      3,885,693

   2b.  Class B Monthly Accretion.............................$        253,601

   3a.  Balance in the Class A Interest Funding Account.......$              0

   3b.  Balance in the Class B Interest Funding Account.......$              0

   4a.  Available Cash Collateral Amount......................$     60,044,479

   4b.  Percent of Class B Accreted Invested Amount............        117.15%

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.



                                       63
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1996-1
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.

                                       64
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1996-1
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1996-1
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 9 , 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       65
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

                Citibank Credit Card MasterTrust I,Series 1996-5
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1996-5  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1996-5
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    750,000,000

   1b.  Class B Invested Amount         ......................$     48,000,000

   2a.  Class A Monthly Interest .............................$      4,293,188

   2b.  Class B Monthly Interest .............................$        281,480

   3a.  Balance in the Class A Interest Funding Account.......$     12,879,563

   3b.  Balance in the Class B Interest Funding Account.......$        844,440

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       66
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

                Citibank Credit Card MasterTrust I,Series 1996-5
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$   12,879,563

    1b. The total amount of the distribution to Class B
        Certificateholders on the Payment Date....................$      844,440

    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........$   12,879,563

    3b. The amount of the distribution set forth in item 1(b) above
        in respect of interest on the Class B Certificates........$      844,440

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       67
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

                Citibank Credit Card MasterTrust I,Series 1996-5
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1996-5
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 16, 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       68
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I,Series 1996-6
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1996-6  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1996-6
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    940,000,000

   1b.  Class B Invested Amount         ......................$     60,000,000

   2a.  Class A Monthly Interest .............................$      5,071,692

   2b.  Class B Monthly Interest .............................$        333,865

   3a.  Balance in the Class A Interest Funding Account.......$     15,215,075

   3b.  Balance in the Class B Interest Funding Account.......$      1,001,595

   4a.  Available Cash Collateral Amount......................$     70,000,000

   4b.  Percent of Class B Invested Amount         ............        116.67%

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       69
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I,Series 1996-6
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$   15,215,075

    1b. The total amount of the distribution to Class B
        Certificateholders on the Payment Date....................$    1,001,595

    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........$   15,215,075

    3b. The amount of the distribution set forth in item 1(b) above
        in respect of interest on the Class B Certificates........$    1,001,595

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       70
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I,Series 1996-6
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1996-6
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 10, 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       71
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1997-2
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1997-2  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1997-2
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    750,000,000

   1b.  Class B Invested Amount         ......................$     48,000,000

   2a.  Class A Monthly Interest .............................$      4,093,750

   2b.  Class B Monthly Interest .............................$        268,000

   3a.  Balance in the Class A Interest Funding Account.......$     18,694,792

   3b.  Balance in the Class B Interest Funding Account.......$      1,223,867

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       72
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1997-2
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       73
<PAGE>


                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1997-2
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1997-2
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 16, 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       74
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1997-3
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1997-3  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

D.  Information Regarding Series 1997-3
    ------------------------------------

   1a.  Class A Invested Amount         ......................$    400,000,000

   1b.  Class B Invested Amount         ......................$     25,540,000

   2a.  Class A Monthly Interest .............................$      2,279,667

   2b.  Class B Monthly Interest .............................$        148,749

   3a.  Balance in the Class A Interest Funding Account.......$      9,118,667

   3b.  Balance in the Class B Interest Funding Account.......$        594,997

   4a.  Available Cash Collateral Amount......................$     29,787,800

   4b.  Percent of Class B Invested Amount         ............        116.63%

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       75
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1997-3
                     For the Due Period Ending May 27, 1997

================================================================================


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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.


                                       76
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1997-3
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1997-3
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 10, 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       77
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1997-4
                     For the Due Period Ending May 27, 1997

================================================================================


     The undersigned,  a duly authorized representative of Citibank (South Dako-
ta), N.A., as Servicer ("Citibank (South Dakota)"),  pursuant to the Pooling and
Servicing Agreement dated as of May 29, 1991, (as amended and supplemented,  the
"Agreement"),  as supplemented  by the Series 1997-4  Supplement (as amended and
supplemented,  the "Series Supplement"),  among Citibank (South Dakota),  Seller
and Servicer, Citibank (Nevada),  National Association,  Seller, and Yasuda Bank
and Trust Company (U.S.A),  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.

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.......$     15,598,000

   3b.  Balance in the Class B Interest Funding Account.......$      1,024,305

   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

        -------------------------------------------------------
        (2) Applicable during the Accumulation Period and any
            Early Amortization Period.

                                       78
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1997-4
                     For the Due Period Ending May 27, 1997

================================================================================


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....................$   15,598,000

    1b. The total amount of the distribution to Class B
        Certificateholders on the Payment Date....................$    1,024,305

    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........$   15,598,000

    3b. The amount of the distribution set forth in item 1(b) above
        in respect of interest on the Class B Certificates........$    1,024,305

    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


        ----------------------------------------------------------
        (3) The following information, as applicable, is included
            only on Payment Date.



                                       79
<PAGE>

                         CITIBANK (SOUTH DAKOTA), N.A.
                    CITIBANK (NEVADA), NATIONAL ASSOCIATION

================================================================================

               Citibank Credit Card Master Trust I, Series 1997-4
                     For the Due Period Ending May 27, 1997

================================================================================

          The undersigned,  a duly authorized  representative of Citibank (South
     Dakota),  N.A., as Servicer  ("Citibank (South  Dakota)"),  pursuant to the
     Pooling and Servicing  Agreement  dated as of May 29, 1991, (as amended and
     supplemented,  the  "Agreement"),  as  supplemented  by the  Series  1997-4
     Supplement (as amended and supplemented,  the "Series  Supplement"),  among
     Citibank (South Dakota), Seller and Servicer,  Citibank (Nevada),  National
     Association, Seller, and Yasuda Bank and Trust Company (U.S.A), 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 June 10, 1997.

          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  the  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 the date hereof, to the best knowledge of the
                  undersigned, no Lien has been placed on any of the
                  Receivables other than pursuant to the Agreement.

                  IN WITNESS  WHEREOF,  the  undersigned  has duly  executed and
                  delivered this Certificate this 12th day of June 1997.


                          CITIBANK (SOUTH DAKOTA), N.A.
                                    Servicer,


                                 By:/s/Susan Sexton
                                         Name: Susan Sexton
                                         Title: Servicing Officer



                                       80
<PAGE>


                                     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.


                         CITIBANK (SOUTH DAKOTA), N.A.,
                                   as Servicer
                                Citibank Credit Card Master Trust I



                        By:  /s/ Eugene D. Rowenhorst
                             ----------------------------------------------
                             Eugene D. Rowenhorst
                             Senior Vice President


Date: June 13, 1997


                                       81
<PAGE>




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