DISCOVER CARD MASTER TRUST I
424B3, 1999-04-15
ASSET-BACKED SECURITIES
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<PAGE>   1
PROSPECTUS SUPPLEMENT                         This Prospectus Supplement, filed
FOR THE PERIOD ENDING                         pursuant to Rule 424(b)(3),
MARCH 31, 1999 TO                             relates to Registration Statement
PROSPECTUS DATED                              33-54804-01 and the Prospectus
OCTOBER 19, 1993                              dated October 19, 1993




                       SECURITIES AND EXCHANGE COMMISSION
                             450 Fifth Street, N.W.
                            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): April 15, 1999



                          DISCOVER CARD MASTER TRUST I
                          ----------------------------
             (Exact name of registrant as specified in its charter)


Delaware                         0-23108                    Not Applicable
- --------                         -------                    --------------
(State of                        (Commission                (IRS Employer
organization)                    File Number)               Identification No.)
                                                                


c/o Greenwood Trust Company
12 Read's way
New Castle, Delaware                              19720
- -------------------------------------------------------
(Address of principal executive offices)     (Zip Code)


Registrant's telephone number, including area code:  (302) 323-7184



                                 Not Applicable
                 ----------------------------------------------
                 (Former address, if changed since last report)


                                 Page 1 of 159
                         Index to Exhibits is on page 8
<PAGE>   2
Item 5. Other Events
        ------------

A)  Series 1993-1:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1993-1, which is
attached as Exhibit 20(a) hereto.  April 15, 1999 is also the date on which
holders of Class A Certificates received final payment of principal and
interest. Accordingly, no further Monthly Certificateholders' Statements will
be forwarded to Class A Certificateholders.

B)  Series 1993-2:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1993-2, which is
attached as Exhibit 20(b) hereto.

C)  Series 1993-3:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1993-3, which is
attached as Exhibit 20(c) hereto.

D)  Series 1994-2:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1994-2, which is
attached as Exhibit 20(d) hereto.

E)  Series 1994-3:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1994-3, which is
attached as Exhibit 20(e) hereto.

F)  Series 1994-A:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1994-A, which is
attached as Exhibit 20(f) hereto.

G)  Series 1995-1:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1995-1, which is
attached as Exhibit 20(g) hereto.

H)  Series 1995-2:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1995-2, which is
attached as Exhibit 20(h) hereto.

I)  Series 1995-3:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1995-3, which is
attached as Exhibit 20(i) hereto.





                                       2
<PAGE>   3
J)  Series 1996-1:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1996-1, which is
attached as Exhibit 20(j) hereto.

K)  Series 1996-2:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1996-2, which is
attached as Exhibit 20(k) hereto.

L)  Series 1996-3:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1996-3, which is
attached as Exhibit 20(l) hereto.

M)  Series 1996-4:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1996-4, which is
attached as Exhibit 20(m) hereto.

N)  Series 1997-1:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1997-1, which is
attached as Exhibit 20(n) hereto.

O)  Series 1997-2:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1997-2, which is
attached as Exhibit 20(o) hereto.

P)  Series 1997-3:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1997-3, which is
attached as Exhibit 20(p) hereto.

Q)  Series 1997-4:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1997-4, which is
attached as Exhibit 20(q) hereto.

R)  Series 1998-1:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1998-1, which is
attached as Exhibit 20(r) hereto.

S)  Series 1998-2:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1998-2, which is
attached as Exhibit 20(s) hereto.





                                       3
<PAGE>   4
T)  Series 1998-3:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1998-3, which is
attached as Exhibit 20(t) hereto.

U)  Series 1998-4:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1998-4, which is
attached as Exhibit 20(u) hereto.

V)  Series 1998-6:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1998-6, which is
attached as Exhibit 20(v) hereto.

W)  Series 1998-7:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1998-7, which is
attached as Exhibit 20(w) hereto.

X)  Series 1999-1:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1999-1, which is
attached as Exhibit 20(x) hereto.

Y)  Series 1999-2:
    -------------
On April 15, 1999 the Registrant made available the Monthly Certificateholders'
Statement for the March 1999 Due Period with respect to Series 1999-2, which is
attached as Exhibit 20(y) hereto.





                                       4
<PAGE>   5
Item 7. Financial Statements and Exhibits
        ---------------------------------
c) Exhibits

<TABLE>
<CAPTION>
Exhibit No.          Description
- -----------          -----------
<S>                  <C>
20(a)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1993-1.
                     
20(b)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1993-2.
                     
20(c)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1993-3.
                     
20(d)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1994-2.
                     
20(e)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1994-3.
                     
20(f)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1994-A.
                     
20(g)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1995-1.
                     
20(h)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1995-2.
                     
20(i)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1995-3.
                     
20(j)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1996-1.
                     
20(k)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1996-2.
                     
20(l)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1996-3.
                     
20(m)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1996-4.
                     
20(n)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1997-1.
                     
20(o)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1997-2.
</TABLE>             





                                       5
<PAGE>   6
<TABLE>
<S>                  <C>
20(p)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1997-3.
                     
20(q)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1997-4.
                     
20(r)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1998-1.
                     
20(s)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1998-2.
                     
20(t)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1998-3.
                     
20(u)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1998-4.
                     
20(v)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1998-6.
                     
20(w)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1998-7.
                     
20(x)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1999-1.
                     
20(y)                Monthly Certificateholders' Statement, related to the Due Period ending
                     March 31, 1999, for Series 1999-2.
</TABLE>             





                                       6
<PAGE>   7
                                   SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange
Act of 1934, the registrant has duly caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized.

                                 DISCOVER CARD MASTER TRUST I
                                         (Registrant)
      
                                 By:  GREENWOOD TRUST COMPANY
                                      as originator of the Trust
      
                                 By:  John J. Coane
                                      -------------------------------------
                                      John J. Coane
                                      Vice President, Chief Accounting
                                      Officer and Treasurer

      
      
Date:  April 15, 1999





                                       7
<PAGE>   8
                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
Exhibit No.               Description
- -----------               -----------
<S>                       <C>
20(a)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1993-1.

20(b)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1993-2.

20(c)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1993-3.

20(d)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1994-2.

20(e)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1994-3.

20(f)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1994-A.

20(g)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1995-1.

20(h)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1995-2.

20(i)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1995-3.

20(j)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1996-1.

20(k)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1996-2.

20(l)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1996-3.

20(m)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1996-4.

20(n)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1997-1.

20(o)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1997-2.
</TABLE>





                                       8
<PAGE>   9
<TABLE>
<S>                       <C>
20(p)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1997-3.

20(q)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1997-4.

20(r)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1998-1.

20(s)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1998-2.

20(t)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1998-3.

20(u)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1998-4.

20(v)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1998-6.

20(w)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1998-7.

20(x)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1999-1.

20(y)                     Monthly Certificateholders' Statement, related to the Due Period
                          ending March 31, 1999, for Series 1999-2.
</TABLE>





                                       9

<PAGE>   1
                                                                     EXHIBIT (A)

                         MONTHLY CERTIFICATEHOLDERS' STATEMENT
                             Discover Card Master Trust I
                            Series 1993-1 Monthly Statement
                        Class A Certificate CUSIP #25466KAA7
                        Class B Certificate CUSIP #25466KAB5


Trust Distribution Date: April 15, 1999       Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of October 27, 1993 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust. The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>

1.     Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
       -----------------------------------------------------------------------------------------------------------
          Series  1993-1                                Total           Interest           Principal
             <S>                                    <C>              <C>                <C>
              Class A   31 days at 5.208750000%     $83.707109375     $0.373776042       $83.333333333

              Class B   30 days at 5.300000000%      $4.416666667     $4.416666667        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.     Principal Receivables at the end of the Due Period
       --------------------------------------------------
  <S>                                                      <C>
   (a) Aggregate Investor Interest                           $19,318,236,342.63
       Seller Interest                                        $6,980,635,086.38

       Total Master Trust                                    $26,298,871,429.01

   (b) Group One Investor Interest                           $16,768,236,342.63

   (c) Group Two Investor Interest                            $2,550,000,000.00

   (d) Series 1993-1 Investor Interest                           $47,873,000.00

   (e) Class A Investor Interest                                          $0.00

       Class B Investor Interest                                 $47,873,000.00
</TABLE>

<TABLE>
<CAPTION>
3.     Allocation of Receivables Collected During the Due Period
       ---------------------------------------------------------
                                                                     Finance Charge            Principal           Yield
                                                                       Collections            Collections         Collections

   <S>                                                               <C>                  <C>                      <C>
   (a) Allocation of Collections between Investor and Seller

       Aggregate Investor Allocation                                  $318,986,204.60     $3,143,772,753.34         $0.00

       Seller                                                         $119,661,882.14     $1,179,329,259.93         $0.00

   (b) Group One Allocation                                           $277,159,793.58     $2,731,552,007.06         $0.00

   (c) Group Two Allocation                                            $41,826,411.02       $412,220,746.28         $0.00
                                                                                     
   (d) Series 1993-1 Allocations                                        $1,810,300.66        $17,841,442.01         $0.00
                                                                                     
   (e) Class A Allocations                                              $1,025,120.58        $10,103,089.41         $0.00
                                                                                     
       Class B Allocations                                                $785,180.08         $7,738,352.60         $0.00

</TABLE>


<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                              Deposits into the
                               SPFAs This          SPFA     Deposit Deficit    Investment
                               Due Period         Balance       Amount           Income

     <S>                    <C>                   <C>           <C>             <C>
     Series 1993-1          $62,500,000.00         $0.00         0.00            $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                        Total Payments
                                 Amount Paid      Deficit Amount         Through This
                              This Due Period    This Due Period          Due Period

     <S>                     <C>                   <C>                  <C>
     Series 1993-1             $62,500,000.00       $0.00               $750,000,000.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                                 Deposits Into the
                                                   SIFAs This
                                                   Due Period      SIFA Balance
     <S>                                         <C>                  <C>
     Series 1993-1                                $491,771.11            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                                This Due Period

     <S>                                                            <C>
     Class A                                                         0.00000000

     Class B                                                         1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                      Cumulative
                                                                  Investor Charged-Off
                                               This Due Period          Amount

 <S>                                           <C>                       <C>
 (a) Group One                                 $96,984,251.15            $0.00

 (b) Group Two                                 $14,635,972.62            $0.00

 (c) Series 1993-1                                $633,463.65            $0.00

 (d) Class A                                      $358,712.03            $0.00

     Class B                                      $274,751.62            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------
                                                                    Per $1,000 of
                                                                  Original Invested
                                                        Total        Principal
 <S>                                                    <C>            <C>
 (a) Group One                                          $0.00          $0.00

 (b) Group Two                                          $0.00          $0.00

 (c) Series 1993-1                                      $0.00          $0.00

 (d) Class A                                            $0.00          $0.00

     Class B                                            $0.00          $0.00
</TABLE>


<PAGE>   3
<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period                Per $1,000 of
     ------------------------------------------------              Original Invested
                                                         Total        Principal

 <S>                                                    <C>            <C>
 (a) Group One                                          $0.00          $0.00

 (b) Group Two                                          $0.00          $0.00

 (c) Series 1993-1                                      $0.00          $0.00

 (d) Class A                                            $0.00          $0.00

     Class B                                            $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses              Per $1,000 of
     ------------------------------------------------            Original Invested
                                                        Total        Principal

 <S>                                                    <C>            <C>
 (a) Group One                                          $0.00          $0.00

 (b) Group Two                                          $0.00          $0.00

 (c) Series 1993-1                                      $0.00          $0.00

 (d) Class A                                            $0.00          $0.00

     Class B                                            $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------

 <S>                                                           <C>
 (a) Group One                                                 $28,162,338.33

 (b) Group Two                                                  $4,250,000.00

 (c) Series 1993-1                                                $183,955.00

 (d) Class A                                                      $104,166.67

     Class B                                                       $79,788.33
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                                  As a Percentage
                                                                    of Class A
                                                      Total       Invested Amount

    <S>                                              <C>           <C>
     Series 1993-1 Class B                            $0.00         0.0000%

</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------
                                                    Shared Amount       Class B Amount

    <S>                                           <C>                  <C>
     Maximum Amount                                 $7,978,730.00       $15,957,460.00

     Available Amount                               $7,978,730.00       $15,957,460.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                                  $0.00                $0.00
</TABLE>



<PAGE>   4
<TABLE>
<CAPTION>
15.  Delinquency Summary

     End of Due Period Master Trust Receivables Outstanding         $26,680,777,126.04

                               Delinquent Amount          Percentage of Ending
     Payment Status            Ending Balance             Receivables Outstanding

     <S>                   <C>                              <C>
     30-59 days               $648,154,953.36                  2.43%

     60-179 days            $1,159,113,400.71                  4.34%
</TABLE>


                                      U.S. BANK NATIONAL ASSOCIATION
                                      as Trustee


                                   BY:
                                       ------------------------------

                                             Vice President

<PAGE>   5
                     MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                         Series 1993-1 Monthly Statement

                                   CREDIT CARD
                            PASS-THROUGH CERTIFICATES

       The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of October 27, 1993 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1993-1 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
      <S>                                                                                        <C>

      1.   Greenwood is Master Servicer under the Pooling and Servicing Agreement.

      2.   The undersigned is a Servicing Officer of Greenwood as Master Servicer.

      3.   The aggregate amount of Collections processed during the related Due
           Period is equal to                                                                       $4,761,750,100.14

      4.   The aggregate amount of Class A Principal Collections processed during
           the related Due Period is equal to                                                          $10,103,089.41

      5.   The aggregate amount of Class A Finance Charge Collections processed
           during the related Due Period is equal to                                                    $1,025,120.58

      6a.  The aggregate amount of Class A Principal Collections recharacterized as
           Series Yield Collections during the related Due Period is equal to$0.00

      6b.  The aggregate amount of Class A Additional Funds for this Distribution
           date is equal to                                                                                     $0.00

      7.   The amount of drawings under the Credit Enhancement required to be
           made on the related Drawing Date pursuant to the Series Supplement:

           (a)  with respect to the Class A Required Amount Shortfall                                           $0.00
                is equal to

           (b)  with respect to the Class A Cumulative Investor Charged-Off                                     $0.00
                Amount is equal to

           (c)  with respect to the Class A Investor Interest is equal to                                       $0.00

      8.   The sum of all amounts payable to the Class A Certificateholders
           on the current Distribution Date is equal to                                                $62,780,332.03
</TABLE>






<PAGE>   6

<TABLE>
      <S>                                                                                        <C>
      9.   The aggregate amount of Class B Principal Collections processed during
           the related Due Period is equal to                                                           $7,738,352.60

     10.   The aggregate amount of Class B Finance Charge Collections processed
           during the related Due Period is equal to                                                      $785,180.08

     11a.  The aggregate amount of Class B Principal Collections recharacterized as
           Series Yield Collections during the related Due Period is equal to                                   $0.00

     11b.  The aggregate amount of Class B Additional Funds for this Distribution
           date is equal to                                                                                     $0.00

     12.   The amount of drawings under the Credit Enhancement required to be
           made on the related Drawing Date pursuant to the Series Supplement:

           (a)  with respect to the Class B Required Amount Shortfall                                           $0.00
                is equal to

           (b)  with respect to the Class B Cumulative Investor Charged-Off                                     $0.00
                Amount is equal to

           (c)  with respect to the Class B Investor Interest is equal to                                       $0.00

     13.  The sum of all amounts payable to the Class B Certificateholders
          on the current Distribution Date is equal to                                                    $211,439.08

     14.  Attached hereto is a true copy of the statement required to be delivered by
          the Master Servicer on the date of this Certificate to the Trustee pursuant to
          Section 16 of the Series Supplement.
</TABLE>

    IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                                GREENWOOD TRUST COMPANY
                                     as Master Servicer

                                By:
                                   -------------------------------
                                Vice President, Chief Accounting Officer,
                                and Treasurer









<PAGE>   1
                                                                     EXHIBIT (B)


                         MONTHLY CERTIFICATEHOLDERS' STATEMENT
                             Discover Card Master Trust I
                            Series 1993-2 Monthly Statement
                        Class A Certificate CUSIP #25466KAE9
                        Class B Certificate CUSIP #25466KAF6


Trust Distribution Date: April 15, 1999       Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of December 1, 1993 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust. The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------
     Series  1993-2                                      Total                Interest             Principal
       <S>                                         <C>                    <C>                  <C>
        Class A  30 days at 5.400000000%             $84.083333337          $0.750000000         $83.333333338

        Class B  30 days at 5.750000000%              $4.791666667          $4.791666667          $0.000000000
</TABLE>
<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $19,318,236,342.63
     Seller Interest                                     $6,980,635,086.38

     Total Master Trust                                 $26,298,871,429.01


 (b) Group One Investor Interest                        $16,768,236,342.63

 (c) Group Two Investor Interest                         $2,550,000,000.00

 (d) Series 1993-2 Investor Interest                       $100,000,666.63

 (e) Class A Investor Interest                              $66,666,666.63

     Class B Investor Interest                              $33,334,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------
                                                            Finance Charge       Principal          Yield
                                                             Collections        Collections       Collections

<S>                                                        <C>                 <C>                   <C>
 (a) Allocation of Collections between Investor and Seller

     Aggregate Investor Allocation                         $318,986,204.60     $3,143,772,753.34     $0.00

     Seller                                                $119,661,882.14     $1,179,329,259.93     $0.00

 (b) Group One Allocation                                  $277,159,793.58     $2,731,552,007.06     $0.00

 (c) Group Two Allocation                                   $41,826,411.02       $412,220,746.28     $0.00

 (d) Series 1993-2 Allocations                               $2,733,654.88        $26,941,571.75     $0.00

 (e) Class A Allocations                                     $2,187,099.36        $21,554,986.64     $0.00

     Class B Allocations                                       $546,555.52         $5,386,585.11     $0.00

</TABLE>

<PAGE>   2
<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                             Deposits into the
                                SPFAs This          SPFA        Deposit Deficit      Investment
                                Due Period         Balance          Amount            Income

     <S>                     <C>                   <C>               <C>               <C>
     Series 1993-2           $66,666,666.67         $0.00            0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------   Total Payments
                           Amount Paid           Deficit Amount          Through This
                         This Due Period         This Due Period          Due Period

     <S>                 <C>                       <C>                   <C>
     Series 1993-2        $66,666,666.67            $0.00                 $733,333,333.37
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period          SIFA Balance

    <S>                                     <C>                    <C>
     Series 1993-2                           $759,725.42            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------                                         This Due Period

     <S>                                                     <C>
     Class A                                                 0.08333333

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                  Cumulative
                                                              Investor Charged-Off
                                           This Due Period          Amount

 <S>                                      <C>                       <C>
 (a) Group One                            $96,984,251.15            $0.00

 (b) Group Two                            $14,635,972.62            $0.00

 (c) Series 1993-2                           $956,565.40            $0.00

 (d) Class A                                 $765,313.72            $0.00

     Class B                                 $191,251.68            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal

 <S>                                               <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1993-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>





<PAGE>   3
<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period                Per $1,000 of
     ------------------------------------------------              Original Invested
                                                          Total        Principal

 <S>                                                     <C>            <C>
 (a) Group One                                            $0.00          $0.00

 (b) Group Two                                            $0.00          $0.00

 (c) Series 1993-2                                        $0.00          $0.00

 (d) Class A                                              $0.00          $0.00

     Class B                                              $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses                 Per $1,000 of
     ------------------------------------------------               Original Invested
                                                           Total        Principal

 <S>                                                      <C>            <C>
 (a) Group One                                             $0.00          $0.00

 (b) Group Two                                             $0.00          $0.00

 (c) Series 1993-2                                         $0.00          $0.00

 (d) Class A                                               $0.00          $0.00

     Class B                                               $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
 <S>                                                      <C>
 (a) Group One                                            $28,162,338.33

 (b) Group Two                                             $4,250,000.00

 (c) Series 1993-2                                           $277,778.89

 (d) Class A                                                 $222,222.22

     Class B                                                  $55,556.67
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                                               As a Percentage
                                                                                 of Class A
                                                                  Total        Invested Amount
   <S>                                                        <C>                 <C>
     Series 1993-2 Class B                                    
                                                               $50,000,040.00        75.0001%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------                         Shared Amount  Class B Amount

    <S>                                                                <C>               <C>
     Maximum Amount                                                    $16,666,680.00    $8,333,340.00

     Available Amount                                                  $16,666,680.00    $8,333,340.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                                                      $0.00            $0.00
</TABLE>

<PAGE>   4
<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding     $26,680,777,126.04

                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding

     <S>             <C>                      <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>

                                      U.S. BANK NATIONAL ASSOCIATION
                                      as Trustee


                                   BY:
                                       ----------------------------

                                             Vice President

<PAGE>   5
                    MASTER SERVICER'S CERTIFICATE STATEMENT
                          Discover Card Master Trust I
                        Series 1993-2 Monthly Statement
                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

       The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of December 1, 1993 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1993-2 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
     <S>                                                                                            <C>
      1.   Greenwood is Master Servicer under the Pooling and Servicing Agreement.

      2.   The undersigned is a Servicing Officer of Greenwood as Master Servicer.

      3.   The aggregate amount of Collections processed during the related Due
           Period is equal to                                                                       $4,761,750,100.14

      4.   The aggregate amount of Class A Principal Collections processed during
           the related Due Period is equal to                                                          $21,554,986.64

      5.   The aggregate amount of Class A Finance Charge Collections processed
           during the related Due Period is equal to                                                    $2,187,099.36

      6a.  The aggregate amount of Class A Principal Collections recharacterized as
           Series Yield Collections during the related Due Period is equal to                                   $0.00

      6b.  The aggregate amount of Class A Additional Funds for this Distribution
           date is equal to                                                                                     $0.00

      7.   The amount of drawings under the Credit Enhancement required to be
           made on the related Drawing Date pursuant to the Series Supplement:

           (a)  with respect to the Class A Required Amount Shortfall                                           $0.00
                is equal to

           (b)  with respect to the Class A Cumulative Investor Charged-Off                                     $0.00
                Amount is equal to

           (c)  with respect to the Class A Investor Interest is equal to                                       $0.00

      8.   The sum of all amounts payable to the Class A Certificateholders
           on the current Distribution Date is equal to                                                $67,266,666.67

</TABLE>


<PAGE>   6
<TABLE>

     <S>                                                                                            <C>
      9.   The aggregate amount of Class B Principal Collections processed during
           the related Due Period is equal to                                                           $5,386,585.11

     10.   The aggregate amount of Class B Finance Charge Collections processed
           during the related Due Period is equal to                                                      $546,555.52

     11a.  The aggregate amount of Class B Principal Collections recharacterized as
           Series Yield Collections during the related Due Period is equal to                                   $0.00

     11b.  The aggregate amount of Class B Additional Funds for this Distribution
           date is equal to                                                                                     $0.00

     12.   The amount of drawings under the Credit Enhancement required to be
           made on the related Drawing Date pursuant to the Series Supplement:

           (a)  with respect to the Class B Required Amount Shortfall                                           $0.00
                is equal to

           (b)  with respect to the Class B Cumulative Investor Charged-Off                                     $0.00
                Amount is equal to

           (c)  with respect to the Class B Investor Interest is equal to                                       $0.00

     13.   The sum of all amounts payable to the Class B Certificateholders
           on the current Distribution Date is equal to                                                   $159,725.42

     14.   Attached hereto is a true copy of the statement required to be delivered by
           the Master Servicer on the date of this Certificate to the Trustee pursuant to
           Section 16 of the Series Supplement.
</TABLE>

    IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                                GREENWOOD TRUST COMPANY
                                     as Master Servicer

                                By:
                                   -------------------------
                                Vice President, Chief Accounting Officer,
                                and Treasurer

<PAGE>   1
                                                                     EXHIBIT (C)

                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1993-3 Monthly Statement
                   Class A Certificate CUSIP #25466KAC3
                   Class B Certificate CUSIP #25466KAD1


Trust Distribution Date: April 15, 1999       Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of November 23, 1993 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1993-3                                 Total            Interest        Principal
         <S>          <C>                      <C>                <C>              <C>
         Class A      30 days at 6.200000000%  $5.166666667       $5.166666667     $0.000000000

         Class B      30 days at 6.450000000%  $5.375000000       $5.375000000     $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
 <S> <C>                                                <C>
 (a) Aggregate Investor Interest                        $19,318,236,342.63
     Seller Interest                                     $6,980,635,086.38

     Total Master Trust                                 $26,298,871,429.01


 (b) Group One Investor Interest                        $16,768,236,342.63

 (c) Group Two Investor Interest                         $2,550,000,000.00

 (d) Series 1993-3 Investor Interest                       $366,493,000.00

 (e) Class A Investor Interest                             $350,000,000.00

     Class B Investor Interest                              $16,493,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------
<S>  <C>                                                     <C>                 <C>                      <C>
                                                             Finance Charge           Principal             Yield
                                                              Collections            Collections          Collections

 (a) Allocation of Collections between Investor and Seller

     Aggregate Investor Allocation                           $318,986,204.60     $3,143,772,753.34            $0.00

     Seller                                                  $119,661,882.14     $1,179,329,259.93            $0.00

 (b) Group One Allocation                                    $277,159,793.58     $2,731,552,007.06            $0.00

 (c) Group Two Allocation                                     $41,826,411.02       $412,220,746.28            $0.00

 (d) Series 1993-3 Allocations                                 $6,011,672.04        $59,248,113.09            $0.00

 (e) Class A Allocations                                       $5,741,026.17        $56,580,759.15            $0.00

     Class B Allocations                                         $270,645.87         $2,667,353.94            $0.00
</TABLE>

<PAGE>   2
<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------

                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit    Investment
                          Due Period       Balance    Amount            Income
     <S>                     <C>           <C>           <C>             <C>
     Series 1993-3           $0.00         $0.00         0.00            $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------

                                                                    Total Payments
                              Amount Paid       Deficit Amount      Through This
                             This Due Period    This Due Period      Due Period
     <S>                           <C>              <C>                 <C>
     Series 1993-3                 $0.00            $0.00               $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------

                                            Deposits Into the
                                              SIFAs This
                                              Due Period     SIFA Balance
     <S>                                   <C>              <C>
     Series 1993-3                         $1,896,983.21    $9,484,916.05
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                        This Due Period
     <S>                                                <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                              Cumulative
                                                           Investor Charged-Off
                                            This Due Period    Amount
 <S> <C>                                  <C>                       <C>
 (a) Group One                            $96,984,251.15            $0.00

 (b) Group Two                            $14,635,972.62            $0.00

 (c) Series 1993-3                         $2,103,615.04            $0.00

 (d) Class A                               $2,008,910.15            $0.00

     Class B                                  $94,704.89            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
 <S> <C>                                           <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1993-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>


<PAGE>   3
<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period        Per $1,000 of
     ------------------------------------------------       Original Invested
                                                 Total        Principal
 <S> <C>                                           <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1993-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses        Per $1,000 of
     ------------------------------------------------       Original Invested
                                                 Total        Principal
 <S> <C>                                           <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1993-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00

12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
 <S> <C>                                                  <C>
 (a) Group One                                            $28,162,338.33

 (b) Group Two                                             $4,250,000.00

 (c) Series 1993-3                                           $610,821.66

 (d) Class A                                                 $583,333.33

     Class B                                                  $27,488.33

13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                     <C>                <C>
     Series 1993-3 Class B                   $23,822,045.00     6.8063%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------
                                           Shared Amount  Class B Amount
     <S>                                   <C>              <C>
     Maximum Amount                        $9,162,325.00    $5,497,395.00

     Available Amount                      $9,162,325.00    $5,497,395.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00            $0.00
</TABLE>

<PAGE>   4
<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding     $26,680,777,126.04

                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding
     <S>              <C>                        <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  ----------------------------

                                        Vice President

<PAGE>   5

               MASTER SERVICER'S CERTIFICATE STATEMENT

                     Discover Card Master Trust I

                   Series 1993-3 Monthly Statement

                             CREDIT CARD
                      PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of November 23, 1993 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1993-3 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
      <S>                                                                                           <C>
      1.   Greenwood is Master Servicer under the Pooling and Servicing Agreement.

      2.   The undersigned is a Servicing Officer of Greenwood as Master Servicer.

      3.   The aggregate amount of Collections processed during the related Due
           Period is equal to                                                                       $4,761,750,100.14

      4.   The aggregate amount of Class A Principal Collections processed during
           the related Due Period is equal to                                                          $56,580,759.15

      5.   The aggregate amount of Class A Finance Charge Collections processed
           during the related Due Period is equal to                                                    $5,741,026.17

      6a.  The aggregate amount of Class A Principal Collections recharacterized as
           Series Yield Collections during the related Due Period is equal to                                   $0.00

      6b.  The aggregate amount of Class A Additional Funds for this Distribution
           date is equal to                                                                                     $0.00

      7.   The amount of drawings under the Credit Enhancement required to be
           made on the related Drawing Date pursuant to the Series Supplement:

           (a)  with respect to the Class A Required Amount Shortfall                                           $0.00
                is equal to

           (b)  with respect to the Class A Cumulative Investor Charged-Off                                     $0.00
                Amount is equal to

           (c)  with respect to the Class A Investor Interest is equal to                                       $0.00

      8.   The sum of all amounts payable to the Class A Certificateholders
           on the current Distribution Date is equal to                                                         $0.00
</TABLE>

<PAGE>   6
<TABLE>
      <S>                                                                                           <C>
      9.   The aggregate amount of Class B Principal Collections processed during
           the related Due Period is equal to                                                           $2,667,353.94

     10.   The aggregate amount of Class B Finance Charge Collections processed
           during the related Due Period is equal to                                                      $270,645.87

     11a.  The aggregate amount of Class B Principal Collections recharacterized as
           Series Yield Collections during the related Due Period is equal to                                   $0.00

     11b.  The aggregate amount of Class B Additional Funds for this Distribution
           date is equal to                                                                                     $0.00

     12.   The amount of drawings under the Credit Enhancement required to be
           made on the related Drawing Date pursuant to the Series Supplement:

           (a)  with respect to the Class B Required Amount Shortfall                                           $0.00
                is equal to

           (b)  with respect to the Class B Cumulative Investor Charged-Off                                     $0.00
                Amount is equal to

           (c)  with respect to the Class B Investor Interest is equal to                                       $0.00

     13.   The sum of all amounts payable to the Class B Certificateholders
           on the current Distribution Date is equal to                                                         $0.00

     14.   Attached hereto is a true copy of the statement required to be delivered by
           the Master Servicer on the date of this Certificate to the Trustee pursuant to
           Section 16 of the Series Supplement.
</TABLE>

    IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                                GREENWOOD TRUST COMPANY
                                     as Master Servicer

                                By:
                                   -------------------------
                                Vice President, Chief Accounting Officer,
                                and Treasurer

<PAGE>   1
                                                                     EXHIBIT (D)

                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1994-2 Monthly Statement
                   Class A Certificate CUSIP #25466KAJ8
                   Class B Certificate CUSIP #25466KAK5


Trust Distribution Date: April 15, 1999       Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of October 14, 1994 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------
     Series  1994-2                                Total          Interest            Principal
         <S>          <C>                       <C>             <C>                 <C>
         Class A      31 days at 5.288750000%   $4.554201389    $4.554201389        $0.000000000

         Class B      30 days at 8.050000000%   $6.708333333    $6.708333333        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
 <S> <C>                                                <C>
 (a) Aggregate Investor Interest                        $19,318,236,342.63
     Seller Interest                                     $6,980,635,086.38

     Total Master Trust                                 $26,298,871,429.01


 (b) Group One Investor Interest                        $16,768,236,342.63

 (c) Group Two Investor Interest                         $2,550,000,000.00

 (d) Series 1994-2 Investor Interest                       $894,737,000.00

 (e) Class A Investor Interest                             $850,000,000.00

     Class B Investor Interest                              $44,737,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                               Finance Charge          Principal            Yield
                                                                Collections           Collections         Collections
 <S> <C>                                                       <C>                 <C>                          <C>
 (a) Allocation of Collections between Investor and Seller

     Aggregate Investor Allocation                              $318,986,204.60    $3,143,772,753.34            $0.00

     Seller                                                     $119,661,882.14    $1,179,329,259.93            $0.00

 (b) Group One Allocation                                       $277,159,793.58    $2,731,552,007.06            $0.00

 (c) Group Two Allocation                                        $41,826,411.02      $412,220,746.28            $0.00

 (d) Series 1994-2 Allocations                                   $14,675,849.04      $144,638,024.06            $0.00

 (e) Class A Allocations                                         $13,941,990.79      $137,405,474.39            $0.00

     Class B Allocations                                            $733,858.25        $7,232,549.67            $0.00
</TABLE>

<PAGE>   2
<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit Investment
                          Due Period       Balance    Amount         Income
     <S>                     <C>           <C>           <C>          <C>
     Series 1994-2           $0.00         $0.00         0.00         $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                              Total Payments
                              Amount Paid    Deficit Amount   Through This
                             This Due Period This Due Period   Due Period
     <S>                           <C>              <C>               <C>
     Series 1994-2                 $0.00            $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period     SIFA Balance
     <S>                                   <C>                      <C>
     Series 1994-2                         $4,171,181.89            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------                                       This Due Period
     <S>                                                     <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                Cumulative
                                                             Investor Charged-Off
                                         This Due Period          Amount
 <S> <C>                                  <C>                       <C>
 (a) Group One                            $96,984,251.15            $0.00

 (b) Group Two                            $14,635,972.62            $0.00

 (c) Series 1994-2                         $5,135,399.36            $0.00

 (d) Class A                               $4,878,606.37            $0.00

     Class B                                 $256,792.99            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
 <S> <C>                                           <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1994-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<PAGE>   3
<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period        Per $1,000 of
     ------------------------------------------------       Original Invested
                                                 Total        Principal
 <S> <C>                                           <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1994-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses        Per $1,000 of
     ------------------------------------------------       Original Invested
                                                 Total        Principal
 <S> <C>                                           <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1994-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
 <S> <C>                                                  <C>
 (a) Group One                                            $28,162,338.33

 (b) Group Two                                             $4,250,000.00

 (c) Series 1994-2                                         $1,491,228.34

 (d) Class A                                               $1,416,666.67

     Class B                                                  $74,561.67
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                     <C>               <C>
     Series 1994-2 Class B                   $89,473,700.00    10.5263%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------
                                             Shared Amount  Class B Amount
     <S>                                           <C>     <C>
     Maximum Amount                                $0.00   $44,736,850.00

     Available Amount                              $0.00   $44,736,850.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00            $0.00
</TABLE>


<PAGE>   4
<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding    $26,680,777,126.04

                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding
     <S>              <C>                        <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  ----------------------------
                                        Vice President

<PAGE>   5
                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1994-2 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

       The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of October 14, 1994 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1994-2 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:


<TABLE>
      <S>                                                                                           <C>
      1.   Greenwood is Master Servicer under the Pooling and Servicing Agreement.

      2.   The undersigned is a Servicing Officer of Greenwood as Master Servicer.

      3.   The aggregate amount of Collections processed during the related Due
           Period is equal to                                                                       $4,761,750,100.14

      4.   The aggregate amount of Class A Principal Collections processed during
           the related Due Period is equal to                                                         $137,405,474.39

      5.   The aggregate amount of Class A Finance Charge Collections processed
           during the related Due Period is equal to                                                   $13,941,990.79

      6a.  The aggregate amount of Class A Principal Collections recharacterized as
           Series Yield Collections during the related Due Period is equal to                                   $0.00

      6b.  The aggregate amount of Class A Additional Funds for this Distribution
           date is equal to                                                                                     $0.00

      7.   The amount of drawings under the Credit Enhancement required to be
           made on the related Drawing Date pursuant to the Series Supplement:

           (a)  with respect to the Class A Required Amount Shortfall                                           $0.00
                is equal to

           (b)  with respect to the Class A Cumulative Investor Charged-Off                                     $0.00
                Amount is equal to

           (c)  with respect to the Class A Investor Interest is equal to                                       $0.00

      8.   The sum of all amounts payable to the Class A Certificateholders
           on the current Distribution Date is equal to                                                 $3,871,071.18
</TABLE>


<PAGE>   6
<TABLE>
     <S>                                                                                                <C>
      9.   The aggregate amount of Class B Principal Collections processed during
           the related Due Period is equal to                                                           $7,232,549.67

     10.   The aggregate amount of Class B Finance Charge Collections processed
           during the related Due Period is equal to                                                      $733,858.25

     11a.  The aggregate amount of Class B Principal Collections recharacterized as
           Series Yield Collections during the related Due Period is equal to                                   $0.00

     11b.  The aggregate amount of Class B Additional Funds for this Distribution
           date is equal to                                                                                     $0.00

     12.   The amount of drawings under the Credit Enhancement required to be
           made on the related Drawing Date pursuant to the Series Supplement:

           (a)  with respect to the Class B Required Amount Shortfall                                           $0.00
                is equal to

           (b)  with respect to the Class B Cumulative Investor Charged-Off                                     $0.00
                Amount is equal to

           (c)  with respect to the Class B Investor Interest is equal to                                       $0.00

     13.   The sum of all amounts payable to the Class B Certificateholders
           on the current Distribution Date is equal to                                                   $300,110.71

     14.   Attached hereto is a true copy of the statement required to be delivered by
           the Master Servicer on the date of this Certificate to the Trustee pursuant to
           Section 16 of the Series Supplement.
</TABLE>

    IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                                GREENWOOD TRUST COMPANY
                                     as Master Servicer

                                By:
                                   -------------------------
                                Vice President, Chief Accounting Officer,
                                and Treasurer

<PAGE>   1
                                                                     EXHIBIT (E)

                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1994-3 Monthly Statement
                   Class A Certificate CUSIP #25466KAL3
                   Class B Certificate CUSIP #25466KAM1


Trust Distribution Date: April 15, 1999       Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of October 20, 1994 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust. The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1994-3                                           Total         Interest       Principal
         <S>                                               <C>            <C>             <C>
         Class A      31 days at 5.128750000%              $4.416423611   $4.416423611    $0.000000000

         Class B      30 days at 7.750000000%              $6.458333333   $6.458333333    $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.    Principal Receivables at the end of the Due Period
      --------------------------------------------------
  <S>                                                   <C>
  (a) Aggregate Investor Interest                       $19,318,236,342.63

      Seller Interest                                    $6,980,635,086.38

      Total Master Trust                                $26,298,871,429.01


  (b) Group One Investor Interest                       $16,768,236,342.63

  (c) Group Two Investor Interest                        $2,550,000,000.00

  (d) Series 1994-3 Investor Interest                      $789,474,000.00

  (e) Class A Investor Interest                            $750,000,000.00

      Class B Investor Interest                             $39,474,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                  Finance Charge            Principal          Yield
                                                                   Collections             Collections       Collections
<S>                                                              <C>                    <C>                          <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                             $318,986,204.60        $3,143,772,753.34            $0.00

      Seller:                                                    $119,661,882.14        $1,179,329,259.93            $0.00

  (b) Group One Allocation                                       $277,159,793.58        $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                        $41,826,411.02          $412,220,746.28            $0.00

  (d) Series 1994-3 Allocations                                   $12,949,330.16          $127,622,294.53            $0.00

  (e) Class A Allocations                                         $12,301,885.59          $121,241,395.96            $0.00

      Class B Allocations                                            $647,444.57            $6,380,898.57            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This          SPFA      Deposit Deficit   Investment
                          Due Period         Balance      Amount           Income
     <S>                     <C>             <C>             <C>            <C>
     Series 1994-3           $0.00           $0.00           0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                  Total Payments
                              Amount Paid      Deficit Amount     Through This
                             This Due Period   This Due Period     Due Period
     <S>                           <C>                <C>                 <C>
     Series 1994-3                 $0.00              $0.00               $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period        SIFA Balance
     <S>                                   <C>                        <C>
     Series 1994-3                         $3,567,253.96              $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
     <S>                                                     <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                 Cumulative
                                                              Investor Charged-Off
                                            This Due Period       Amount
  <S>                                     <C>                          <C>
  (a) Group One                           $96,984,251.15               $0.00

  (b) Group Two                           $14,635,972.62               $0.00

  (c) Series 1994-3                        $4,531,252.80               $0.00

  (d) Class A                              $4,304,697.83               $0.00

      Class B                                $226,554.97               $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1994-3                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1994-3                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1994-3                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                     <C>
  (a) Group One                                           $28,162,338.33

  (b) Group Two                                            $4,250,000.00

  (c) Series 1994-3                                        $1,315,790.00

  (d) Class A                                              $1,250,000.00

      Class B                                                 $65,790.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                     <C>               <C>
     Series 1994-3 Class B                   $78,947,400.00    10.5263%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                                Shared Amount     Class B Amount
     <S>                                              <C>        <C>
     Maximum Amount                                   $0.00      $39,473,700.00

     Available Amount                                 $0.00      $39,473,700.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                            $0.00               $0.00
</TABLE>

<PAGE>   4

<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding               $26,680,777,126.04

                        Delinquent Amount       Percentage of Ending
     Payment Status     Ending Balance          Receivables Outstanding
     <S>                <C>                          <C>
     30-59 days           $648,154,953.36            2.43%

     60-179 days        $1,159,113,400.71            4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 ------------------------------
                                        Vice President


<PAGE>   5

                     MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                         Series 1994-3 Monthly Statement

                                   CREDIT CARD
                            PASS-THROUGH CERTIFICATES

    The undersigned, a duly authorized representative of Greenwood Trust Company
("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing Agreement
dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and the Series
Supplement, dated as of October 20, 1994 (the "Series Supplement") by and
between Greenwood and U.S. Bank National Association, as Trustee, does hereby
certify as follows with respect to the Supplement Discover Card Master Trust I,
Series 1994-3 Master Trust Certificates for the Distribution Date occurring on
April 15, 1999:

<TABLE>
<S>                                                                                             <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                         $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                           $121,241,395.96

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                                     $12,301,885.59

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                                     $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                                       $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                             $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                                       $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                         $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                   $3,312,317.71
</TABLE>

<PAGE>   6

<TABLE>
<S>                                                                                             <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                             $6,380,898.57

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                                        $647,444.57

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                                     $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                                       $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                             $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                                       $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                                         $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                     $254,936.25

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

    IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                                as Master Servicer

                           By:
                              -----------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer





<PAGE>   1
                                                                     EXHIBIT (F)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1994-A Monthly Statement


Trust Distribution Date: April 15, 1999       Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of December 20, 1994 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust. The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1994-A                                         Total           Interest        Principal
         <S>                                            <C>               <C>              <C>         
         Class A      30 days at 5.211622300%           $4.343018583      $4.343018583     $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
  <S>                                                   <C>
  (a) Aggregate Investor Interest                       $19,318,236,342.63

      Seller Interest                                    $6,980,635,086.38

      Total Master Trust                                $26,298,871,429.01


  (b) Group One Investor Interest                       $16,768,236,342.63

  (c) Group Two Investor Interest                        $2,550,000,000.00

  (d) Series 1994-A Investor Interest                    $2,550,000,000.00

  (e) Class A Investor Interest                          $2,550,000,000.00

      Class B Investor Interest                                      $0.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                    Finance Charge        Principal            Yield
                                                                     Collections         Collections         Collections
<S>                                                                <C>                  <C>                          <C>  
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                               $318,986,204.60      $3,143,772,753.34            $0.00

      Seller:                                                      $119,661,882.14      $1,179,329,259.93            $0.00

  (b) Group One Allocation                                         $277,159,793.58      $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                          $41,826,411.02        $412,220,746.28            $0.00

  (d) Series 1994-A Allocations                                     $41,826,411.02        $412,220,746.28            $0.00

  (e) Class A Allocations                                           $41,826,411.02        $412,220,746.28            $0.00

      Class B Allocations                                                    $0.00                  $0.00            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This          SPFA      Deposit Deficit   Investment
                          Due Period         Balance      Amount           Income
      <S>                     <C>             <C>             <C>            <C>  
     Series 1994-A           $0.00           $0.00           0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                 Total Payments
                              Amount Paid      Deficit Amount    Through This
                             This Due Period   This Due Period    Due Period
     <S>                           <C>                <C>                <C>  
     Series 1994-A                 $0.00              $0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period       SIFA Balance
     <S>                                  <C>                         <C>  
     Series 1994-A                        $11,074,697.39              $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
     <S>                                                     <C>       
     Class A                                                 1.00000000

     Class B                                                 0.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                 Cumulative
                                                              Investor Charged-Off
                                            This Due Period       Amount
  <S>                                     <C>                          <C>  
  (a) Group One                           $96,984,251.15               $0.00

  (b) Group Two                           $14,635,972.62               $0.00

  (c) Series 1994-A                       $14,635,972.62               $0.00

  (d) Class A                             $14,635,972.62               $0.00

      Class B                                      $0.00               $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>  
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1994-A                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal

  <S>                                              <C>            <C>  
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1994-A                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>  
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1994-A                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                     <C>           
  (a) Group One                                           $28,162,338.33

  (b) Group Two                                            $4,250,000.00

  (c) Series 1994-A                                        $4,250,000.00

  (d) Class A                                              $4,250,000.00

      Class B                                                      $0.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                                As a Percentage
                                                                  of Class A
                                                      Total     Invested Amount
     <S>                                              <C>          <C>    
     Series 1994-A Class B                            $0.00        0.0000%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                                  Shared Amount    Class B Amount
     <S>                                         <C>                        <C>  
     Maximum Amount                              $204,000,000.00            $0.00

     Available Amount                            $204,000,000.00            $0.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                                 $0.00            $0.00
</TABLE>

<PAGE>   4

<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding             $26,680,777,126.04

                          Delinquent Amount     Percentage of Ending
     Payment Status       Ending Balance        Receivables Outstanding
     <S>                  <C>                        <C>  
     30-59 days             $648,154,953.36          2.43%

     60-179 days          $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  -----------------------------
                                        Vice President

<PAGE>   5


                     MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                         Series 1994-A Monthly Statement

                                   CREDIT CARD
                            PASS-THROUGH CERTIFICATES

    The undersigned, a duly authorized representative of Greenwood Trust Company
("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing Agreement
dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and the Series
Supplement, dated as of December 20, 1994 (the "Series Supplement") by and
between Greenwood and U.S. Bank National Association, as Trustee, does hereby
certify as follows with respect to the Supplement Discover Card Master Trust I,
Series 1994-A Master Trust Certificates for the Distribution Date occurring on
April 15, 1999:


<TABLE>
<S>                                                                                             <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                         $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                           $412,220,746.28

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                                     $41,826,411.02

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                                     $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     Date is equal to                                                                                       $0.00

 7.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                  $11,074,697.39

 8.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                             $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                                       $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                         $0.00
</TABLE>

<PAGE>   6

 9.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant
     to Section 16 of the Series Supplement.

    IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                              ------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



<PAGE>   1

                                                                     EXHIBIT (G)


                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1995-1 Monthly Statement
                   Class A Certificate CUSIP #25466KAN9
                   Class B Certificate CUSIP #25466KAP4


Trust Distribution Date: April 15, 1999       Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of April 19, 1995 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust. The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1995-1                                            Total         Interest        Principal
         <S>                                               <C>             <C>             <C>
         Class A      31 days at 5.218750000%              $4.493923611    $4.493923611    $0.000000000

         Class B      31 days at 5.388750000%              $4.640312500    $4.640312500    $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
  <S>                                                   <C>
  (a) Aggregate Investor Interest                       $19,318,236,342.63

      Seller Interest                                    $6,980,635,086.38

      Total Master Trust                                $26,298,871,429.01


  (b) Group One Investor Interest                       $16,768,236,342.63

  (c) Group Two Investor Interest                        $2,550,000,000.00

  (d) Series 1995-1 Investor Interest                      $631,579,000.00

  (e) Class A Investor Interest                            $600,000,000.00

      Class B Investor Interest                             $31,579,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                 Finance Charge             Principal          Yield
                                                                  Collections              Collections       Collections
  <S>                                                           <C>                     <C>                          <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                            $318,986,204.60         $3,143,772,753.34            $0.00

      Seller:                                                   $119,661,882.14         $1,179,329,259.93            $0.00

  (b) Group One Allocation                                      $277,159,793.58         $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                       $41,826,411.02           $412,220,746.28            $0.00

  (d) Series 1995-1 Allocations                                  $10,359,551.87           $102,098,700.25            $0.00

  (e) Class A Allocations                                         $9,841,508.48            $96,993,116.77            $0.00

      Class B Allocations                                           $518,043.39             $5,105,583.48            $0.00
</TABLE>


<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This          SPFA     Deposit Deficit   Investment
                          Due Period         Balance     Amount           Income
     <S>                     <C>             <C>            <C>            <C>
     Series 1995-1           $0.00           $0.00          0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                 Total Payments
                              Amount Paid      Deficit Amount    Through This
                             This Due Period   This Due Period    Due Period
     <S>                           <C>                <C>                <C>
     Series 1995-1                 $0.00              $0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period       SIFA Balance
     <S>                                   <C>                        <C>
     Series 1995-1                         $2,842,890.60              $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
     <S>                                                     <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                Cumulative
                                                             Investor Charged-Off
                                            This Due Period      Amount
  <S>                                     <C>                         <C>
  (a) Group One                           $96,984,251.15              $0.00

  (b) Group Two                           $14,635,972.62              $0.00

  (c) Series 1995-1                        $3,625,032.93              $0.00

  (d) Class A                              $3,443,758.26              $0.00

      Class B                                $181,274.67              $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1995-1                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1995-1                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1995-1                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                     <C>
  (a) Group One                                           $28,162,338.33

  (b) Group Two                                            $4,250,000.00

  (c) Series 1995-1                                        $1,052,631.67

  (d) Class A                                              $1,000,000.00

      Class B                                                 $52,631.67
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                              As a Percentage
                                                                of Class A
                                                 Total        Invested Amount
     <S>                                     <C>                <C>
     Series 1995-1 Class B                   $69,473,690.00     11.5789%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                             Shared Amount   CLass B Amount
     <S>                                           <C>         <C>
     Maximum Amount                                $0.00       $37,894,740.00

     Available Amount                              $0.00       $37,894,740.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00                $0.00
</TABLE>

<PAGE>   4


<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding             $26,680,777,126.04

                          Delinquent Amount     Percentage of Ending
     Payment Status       Ending Balance        Receivables Outstanding
     <S>                  <C>                        <C>
     30-59 days             $648,154,953.36          2.43%

     60-179 days          $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 -----------------------------
                                        Vice President


<PAGE>   5

                     MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                         Series 1995-1 Monthly Statement

                                   CREDIT CARD
                            PASS-THROUGH CERTIFICATES

    The undersigned, a duly authorized representative of Greenwood Trust Company
("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing Agreement
dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and the Series
Supplement, dated as of April 19, 1995 (the "Series Supplement") by and between
Greenwood and U.S. Bank National Association, as Trustee, does hereby certify as
follows with respect to the Supplement Discover Card Master Trust I, Series
1995-1 Master Trust Certificates for the Distribution Date occurring on April
15, 1999:


<TABLE>
<S>                                                                                             <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                         $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                            $96,993,116.77

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                                      $9,841,508.48

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                                     $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                                       $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                             $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                                       $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                         $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                   $2,696,354.17
</TABLE>

<PAGE>   6

<TABLE>
<S>                                                                                             <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                             $5,105,583.48

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                                        $518,043.39

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                                     $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                                       $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                             $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                                       $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                                         $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                     $146,536.43

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

    IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of April, 1999.


                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                              -----------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



<PAGE>   1
                                                                     EXHIBIT (H)


                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1995-2 Monthly Statement
                   Class A Certificate CUSIP #25466KAQ2
                   Class B Certificate CUSIP #25466KAR0


Trust Distribution Date: April 15, 1999       Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of August 1, 1995 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust. The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1995-2                                        Total          Interest       Principal
         <S>                                           <C>              <C>             <C>
         Class A      30 days at 6.550000000%          $5.458333333     $5.458333333    $0.000000000

         Class B      30 days at 6.750000000%          $5.625000000     $5.625000000    $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
  <S>                                                   <C>
  (a) Aggregate Investor Interest                       $19,318,236,342.63

      Seller Interest                                    $6,980,635,086.38

      Total Master Trust                                $26,298,871,429.01


  (b) Group One Investor Interest                       $16,768,236,342.63

  (c) Group Two Investor Interest                        $2,550,000,000.00

  (d) Series 1995-2 Investor Interest                      $526,316,000.00

  (e) Class A Investor Interest                            $500,000,000.00

      Class B Investor Interest                             $26,316,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                  Finance Charge            Principal          Yield
                                                                   Collections             Collections       Collections
  <S>                                                           <C>                     <C>                          <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                            $318,986,204.60         $3,143,772,753.34            $0.00

      Seller:                                                   $119,661,882.14         $1,179,329,259.93            $0.00

  (b) Group One Allocation                                      $277,159,793.58         $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                       $41,826,411.02           $412,220,746.28            $0.00

  (d) Series 1995-2 Allocations                                   $8,633,032.99            $85,082,970.72            $0.00

  (e) Class A Allocations                                         $8,201,403.27            $80,829,038.34            $0.00

      Class B Allocations                                           $431,629.72             $4,253,932.38            $0.00
</TABLE>

<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This          SPFA      Deposit Deficit   Investment
                          Due Period         Balance      Amount           Income
     <S>                     <C>             <C>             <C>            <C>
     Series 1995-2           $0.00           $0.00           0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                 Total Payments
                              Amount Paid      Deficit Amount    Through This
                             This Due Period   This Due Period    Due Period
     <S>                           <C>                <C>                <C>
     Series 1995-2                 $0.00              $0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period        SIFA Balance
     <S>                                   <C>                 <C>
     Series 1995-2                         $2,877,194.17       $5,754,388.34
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
     <S>                                                     <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                Cumulative
                                                             Investor Charged-Off
                                         This Due Period         Amount

  <S>                                     <C>                         <C>
  (a) Group One                           $96,984,251.15              $0.00

  (b) Group Two                           $14,635,972.62              $0.00

  (c) Series 1995-2                        $3,020,886.36              $0.00

  (d) Class A                              $2,869,849.72              $0.00

      Class B                                $151,036.64              $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1995-2                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>


<PAGE>   3

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1995-2                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1995-2                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                     <C>
  (a) Group One                                           $28,162,338.33

  (b) Group Two                                            $4,250,000.00

  (c) Series 1995-2                                          $877,193.33

  (d) Class A                                                $833,333.33

      Class B                                                 $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                               As a Percentage
                                                                 of Class A
                                                 Total         Invested Amount
     <S>                                     <C>                  <C>
     Series 1995-2 Class B                   $34,210,540.00       6.8421%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                             Shared Amount    Class B Amount
     <S>                                           <C>          <C>
     Maximum Amount                                $0.00        $15,789,480.00

     Available Amount                              $0.00        $15,789,480.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00                 $0.00
</TABLE>

<PAGE>   4


<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding           $26,680,777,126.04

                        Delinquent Amount     Percentage of Ending
     Payment Status     Ending Balance        Receivables Outstanding
     <S>                <C>                        <C>
     30-59 days           $648,154,953.36          2.43%

     60-179 days        $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  ------------------------------
                                        Vice President
<PAGE>   5


                     MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                         Series 1995-2 Monthly Statement

                                   CREDIT CARD
                            PASS-THROUGH CERTIFICATES

    The undersigned, a duly authorized representative of Greenwood Trust Company
("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing Agreement
dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and the Series
Supplement, dated as of August 1, 1995 (the "Series Supplement") by and between
Greenwood and U.S. Bank National Association, as Trustee, does hereby certify as
follows with respect to the Supplement Discover Card Master Trust I, Series
1995-2 Master Trust Certificates for the Distribution Date occurring on April
15, 1999:


<TABLE>
<S>                                                                                             <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                         $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                            $80,829,038.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                                      $8,201,403.27

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                                     $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                                       $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                             $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                                       $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                         $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                           $0.00
</TABLE>

<PAGE>   6

<TABLE>
<S>                                                                                             <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                             $4,253,932.38

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                                        $431,629.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                                     $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                                       $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                             $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                                       $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                                         $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                           $0.00

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                              ------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



<PAGE>   1
                                                                     EXHIBIT (I)

                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1995-3 Monthly Statement
                   Class A Certificate CUSIP #25466KAS8
                   Class B Certificate CUSIP #25466KAT6


Trust Distribution Date: April 15, 1999       Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of September 28, 1995 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust. The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1995-3                                           Total            Interest       Principal
         <S>                                              <C>                <C>             <C>
         Class A      31 days at 5.148750000%             $4.433645833       $4.433645833    $0.000000000

         Class B      31 days at 5.268750000%             $4.536979167       $4.536979167    $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
  <S>                                                   <C>
  (a) Aggregate Investor Interest                       $19,318,236,342.63

      Seller Interest                                    $6,980,635,086.38

      Total Master Trust                                $26,298,871,429.01


  (b) Group One Investor Interest                       $16,768,236,342.63

  (c) Group Two Investor Interest                        $2,550,000,000.00

  (d) Series 1995-3 Investor Interest                      $526,316,000.00

  (e) Class A Investor Interest                            $500,000,000.00

      Class B Investor Interest                             $26,316,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                    Finance Charge          Principal          Yield
                                                                     Collections           Collections       Collections
  <S>                                                              <C>                  <C>                          <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                               $318,986,204.60      $3,143,772,753.34            $0.00

      Seller:                                                      $119,661,882.14      $1,179,329,259.93            $0.00

  (b) Group One Allocation                                         $277,159,793.58      $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                          $41,826,411.02        $412,220,746.28            $0.00

  (d) Series 1995-3 Allocations                                      $8,633,032.99         $85,082,970.72            $0.00

  (e) Class A Allocations                                            $8,201,403.27         $80,829,038.34            $0.00

      Class B Allocations                                              $431,629.72          $4,253,932.38            $0.00
</TABLE>

<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This          SPFA    Deposit Deficit   Investment
                          Due Period         Balance    Amount           Income
     <S>                     <C>             <C>           <C>            <C>
     Series 1995-3           $0.00           $0.00         0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                  Total Payments
                              Amount Paid      Deficit Amount     Through This
                             This Due Period   This Due Period     Due Period
     <S>                           <C>                <C>                 <C>
     Series 1995-3                 $0.00              $0.00               $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period        SIFA Balance
     <S>                                   <C>                         <C>
     Series 1995-3                         $2,336,218.06               $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
     <S>                                                     <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                 Cumulative
                                                              Investor Charged-Off
                                            This Due Period       Amount

  <S>                                     <C>                          <C>
  (a) Group One                           $96,984,251.15               $0.00

  (b) Group Two                           $14,635,972.62               $0.00

  (c) Series 1995-3                        $3,020,886.36               $0.00

  (d) Class A                              $2,869,849.72               $0.00

      Class B                                $151,036.64               $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1995-3                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1995-3                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                    $0.00          $0.00

  (b) Group Two                                    $0.00          $0.00

  (c) Series 1995-3                                $0.00          $0.00

  (d) Class A                                      $0.00          $0.00

      Class B                                      $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                     <C>
  (a) Group One                                           $28,162,338.33

  (b) Group Two                                            $4,250,000.00

  (c) Series 1995-3                                          $877,193.33

  (d) Class A                                                $833,333.33

      Class B                                                 $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                              As a Percentage
                                                                of Class A
                                                 Total        Invested Amount
     <S>                                     <C>                <C>
     Series 1995-3 Class B                   $57,894,760.00     11.5790%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------
                                             Shared Amount       Class B Amount
     <S>                                           <C>            <C>
     Maximum Amount                                $0.00          $31,578,960.00

     Available Amount                              $0.00          $31,578,960.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00                   $0.00
</TABLE>

<PAGE>   4


<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding             $26,680,777,126.04

                         Delinquent Amount     Percentage of Ending
     Payment Status      Ending Balance        Receivables Outstanding
     <S>                 <C>                        <C>
     30-59 days            $648,154,953.36          2.43%

     60-179 days         $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  -----------------------------
                                        Vice President

<PAGE>   5

                     MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                         Series 1995-3 Monthly Statement

                                   CREDIT CARD
                            PASS-THROUGH CERTIFICATES

    The undersigned, a duly authorized representative of Greenwood Trust Company
("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing Agreement
dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and the Series
Supplement, dated as of September 28, 1995 (the "Series Supplement") by and
between Greenwood and U.S. Bank National Association, as Trustee, does hereby
certify as follows with respect to the Supplement Discover Card Master Trust I,
Series 1995-3 Master Trust Certificates for the Distribution Date occurring on
April 15, 1999:


<TABLE>
<S>                                                                                             <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                         $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                            $80,829,038.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                                      $8,201,403.27

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                                     $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                                       $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                             $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                                       $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                         $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                   $2,216,822.92
</TABLE>

<PAGE>   6

<TABLE>
<S>                                                                                             <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                             $4,253,932.38

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                                        $431,629.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                                     $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                                       $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                             $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                                       $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                                         $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                     $119,395.14

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

    IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                              ------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer


<PAGE>   1
                                                                    EXHIBIT (J)


                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1996-1 Monthly Statement
                   Class A Certificate CUSIP #25466KAU3
                   Class B Certificate CUSIP #25466KAV1


Trust Distribution Date: April 15, 1999     Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of January 18, 1996 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1996-1                                                 Total         Interest         Principal
         <S>                                                    <C>             <C>               <C>
         Class A      31 days at 5.108750000%                   $4.399201389    $4.399201389      $0.000000000

         Class B      31 days at 5.238750000%                   $4.511145833    $4.511145833      $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
  <S>                                                   <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63
      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1996-1 Investor Interest                     $1,052,632,000.00

  (e) Class A Investor Interest                           $1,000,000,000.00

      Class B Investor Interest                              $52,632,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------
                                                                      Finance Charge       Principal        Yield
                                                                       Collections        Collections     Collections
  <S>                                                               <C>                 <C>                      <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                                 $318,986,204.60    $3,143,772,753.34            $0.00

      Seller:                                                        $119,661,882.14    $1,179,329,259.93            $0.00

  (b) Group One Allocation                                           $277,159,793.58    $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                            $41,826,411.02      $412,220,746.28            $0.00

  (d) Series 1996-1 Allocations                                       $17,265,627.34      $170,161,618.34            $0.00

  (e) Class A Allocations                                             $16,402,367.91      $161,653,753.58            $0.00

      Class B Allocations                                                $863,259.43        $8,507,864.76            $0.00
</TABLE>

<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit     Investment
                          Due Period       Balance    Amount              Income
     <S>                    <C>           <C>                <C>            <C>
     Series 1996-1           $0.00         $0.00              0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                Total Payments
                              Amount Paid      Deficit Amount   Through This
                             This Due Period   This Due Period   Due Period
     <S>                          <C>                 <C>               <C>
     Series 1996-1                 $0.00              $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                          Deposits Into the
                                            SIFAs This
                                            Due Period       SIFA Balance
     <S>                                   <C>                      <C>
     Series 1996-1                         $4,636,632.02            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                         This Due Period
     <S>                                                     <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                  Cumulative
                                                              Investor Charged-Off
                                        This Due Period           Amount
  <S>                                      <C>                      <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1996-1                         $6,041,619.23            $0.00

  (d) Class A                               $5,739,545.94            $0.00

      Class B                                 $302,073.29            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                          Per $1,000 of
                                                            Original Invested
                                                 Total         Principal
  <S>                                              <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-1                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>


<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-1                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                               <C>           <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-1                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                      <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1996-1                                         $1,754,386.67

  (d) Class A                                               $1,666,666.67

      Class B                                                  $87,720.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                    <C>                <C>
     Series 1996-1 Class B                  $105,263,200.00    10.5263%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                           Shared Amount    Class B Amount
    <S>                                           <C>         <C>
     Maximum Amount                                $0.00       $57,894,760.00

     Available Amount                              $0.00       $57,894,760.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00                $0.00
</TABLE>

<PAGE>   4




<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding     $26,680,777,126.04

                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding
     <S>             <C>                        <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 --------------------------------
                                        Vice President

<PAGE>   5

                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1996-1 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES


     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of January 18, 1996 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1996-1 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:


<TABLE>
<S>                                                                                   <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                  $161,653,753.58

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                            $16,402,367.91

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                            $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                              $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                    $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                              $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                          $4,399,201.39
</TABLE>



<PAGE>   6



<TABLE>
<S>                                                                                      <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                   $8,507,864.76

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                              $863,259.43

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                           $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                             $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                   $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                             $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                               $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                           $237,430.63

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                              -------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



<PAGE>   1
                                                                    EXHIBIT (K)

                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1996-2 Monthly Statement
                   Class A Certificate CUSIP #25466KAW9
                   Class B Certificate CUSIP #25466KAX7


Trust Distribution Date: April 15, 1999     Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of January 29, 1996 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------
     Series  1996-2                                               Total         Interest           Principal
         <S>                                                 <C>              <C>               <C>
         Class A      31 days at 5.158750000%                $4.442256944     $4.442256944       $0.000000000

         Class B      31 days at 5.298750000%                $4.562812500     $4.562812500       $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
 <S>                                                    <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63
      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1996-2 Investor Interest                       $947,369,000.00

  (e) Class A Investor Interest                             $900,000,000.00

      Class B Investor Interest                              $47,369,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                 Finance Charge      Principal            Yield
                                                                  Collections       Collections         Collections
 <S>                                                            <C>              <C>                        <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                            $318,986,204.60   $3,143,772,753.34            $0.00

      Seller:                                                   $119,661,882.14   $1,179,329,259.93            $0.00

  (b) Group One Allocation                                      $277,159,793.58   $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                       $41,826,411.02     $412,220,746.28            $0.00

  (d) Series 1996-2 Allocations                                  $15,539,108.47     $153,145,888.83            $0.00

  (e) Class A Allocations                                        $14,762,262.71     $145,489,675.16            $0.00

      Class B Allocations                                           $776,845.76       $7,656,213.67            $0.00
</TABLE>

<PAGE>   2



<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit     Investment
                          Due Period       Balance      Amount           Income
    <S>                      <C>          <C>           <C>              <C>
     Series 1996-2           $0.00         $0.00         0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                Total Payments
                              Amount Paid      Deficit Amount    Through This
                             This Due Period   This Due Period    Due Period
    <S>                            <C>                <C>               <C>
     Series 1996-2                  $0.00               $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                          Deposits Into the
                                            SIFAs This
                                            Due Period       SIFA Balance
    <S>                                    <C>                     <C>
     Series 1996-2                         $4,214,167.12            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                         This Due Period
     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                 Cumulative
                                                             Investor Charged-Off
                                            This Due Period       Amount
  <S>                                     <C>                       <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1996-2                         $5,437,472.65            $0.00

  (d) Class A                               $5,165,637.39            $0.00

      Class B                                 $271,835.26            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-2                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>


<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-2                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-2                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                     <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1996-2                                         $1,578,948.33

  (d) Class A                                               $1,500,000.00

      Class B                                                  $78,948.33
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
    <S>                                    <C>                    <C>
     Series 1996-2 Class B                  $104,210,590.00        11.5790%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                          Shared Amount    Class B Amount
    <S>                                           <C>       <C>
     Maximum Amount                                $0.00     $56,842,140.00

     Available Amount                              $0.00     $56,842,140.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00              $0.00
</TABLE>



<PAGE>   4


<TABLE>
<CAPTION>
15.  Delinquency Summary
     ------------------- 

     End of Due Period Master Trust Receivables Outstanding $26,680,777,126.04

                      Delinquent Amount    Percentage of Ending
     Payment Status   Ending Balance       Receivables Outstanding
     <S>             <C>                        <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  -------------------------------
                                        Vice President



<PAGE>   5



                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1996-2 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of January 29, 1996 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1996-2 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                            <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                         $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                           $145,489,675.16

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                     $14,762,262.71

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                     $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                       $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                             $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                       $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                         $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                   $3,998,031.25
</TABLE>






<PAGE>   6



<TABLE>
<S>                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                 $7,656,213.67

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                            $776,845.76

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                         $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                           $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                 $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                           $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                             $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                         $216,135.87

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                                -------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer





<PAGE>   1
                                                                    EXHIBIT (L)


                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                         Discover Card Master Trust I
                        Series 1996-3 Monthly Statement
                     Class A Certificate CUSIP #25466KAY5
                     Class B Certificate CUSIP #25466KAZ2


Trust Distribution Date: April 15, 1999     Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of February 21, 1996 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1996-3                                              Total         Interest         Principal
         <S>                                                <C>             <C>              <C>
         Class A      30 days at 6.050000000%                $5.041666667    $5.041666667     $0.000000000

         Class B      30 days at 6.250000000%                $5.208333333    $5.208333333     $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------

  <S>                                                  <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63
      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1996-3 Investor Interest                       $631,579,000.00

  (e) Class A Investor Interest                             $600,000,000.00

      Class B Investor Interest                              $31,579,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                          Finance Charge     Principal          Yield
                                                                           Collections      Collections       Collections
  <S>                                                                  <C>               <C>                         <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                                    $318,986,204.60   $3,143,772,753.34            $0.00

      Seller:                                                           $119,661,882.14   $1,179,329,259.93            $0.00

  (b) Group One Allocation                                              $277,159,793.58   $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                               $41,826,411.02     $412,220,746.28            $0.00

  (d) Series 1996-3 Allocations                                          $10,359,551.87     $102,098,700.25            $0.00

  (e) Class A Allocations                                                 $9,841,508.48      $96,993,116.77            $0.00

      Class B Allocations                                                   $518,043.39       $5,105,583.48            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit     Investment
                          Due Period       Balance      Amount            Income
     <S>                    <C>           <C>           <C>              <C>
     Series 1996-3           $0.00         $0.00         0.00                $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                Total Payments
                              Amount Paid      Deficit Amount    Through This
                             This Due Period   This Due Period    Due Period
    <S>                           <C>             <C>                 <C>
     Series 1996-3                 $0.00            $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period        SIFA Balance
    <S>                                   <C>                  <C>
     Series 1996-3                         $3,189,473.96       $6,378,947.92
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
    <S>                                                     <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                 Cumulative
                                                              Investor Charged-Off
                                       This Due Period            Amount
  <S>                                     <C>                     <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1996-3                         $3,625,032.93            $0.00

  (d) Class A                               $3,443,758.26            $0.00

      Class B                                 $181,274.67            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>             <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-3                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>


<PAGE>   3



<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
 <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-3                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
 <S>                                               <C>             <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-3                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                     <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1996-3                                         $1,052,631.67

  (d) Class A                                               $1,000,000.00

      Class B                                                  $52,631.67
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                    <C>               <C>
     Series 1996-3 Class B                   $37,894,740.00     6.3158%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------
                                          Shared Amount   Class B Amount
     <S>                                           <C>      <C>
     Maximum Amount                                $0.00    $18,947,370.00

     Available Amount                              $0.00    $18,947,370.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00             $0.00
</TABLE>

<PAGE>   4


<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding $26,680,777,126.04

                      Delinquent Amount     Percentage of Ending
     Payment Status   Ending Balance        Receivables Outstanding
     <S>             <C>                       <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 ---------------------------------
                                        Vice President




<PAGE>   5

                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1996-3 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of February 21, 1996 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1996-3 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                           <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                         $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                            $96,993,116.77

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                      $9,841,508.48

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                     $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                       $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                             $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                       $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                         $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                           $0.00
</TABLE>

<PAGE>   6




<TABLE>
<S>                                                                                   <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                 $5,105,583.48

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                            $518,043.39

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                         $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                           $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                 $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                           $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                             $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                               $0.00

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer


                           By:
                              ----------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



<PAGE>   1

                                                                    EXHIBIT (M)


                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1996-4 Monthly Statement
                   Class A Certificate CUSIP #25466KBA6
                   Class B Certificate CUSIP #25466KBB4


Trust Distribution Date: April 15, 1999    Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of April 30, 1996 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1996-4                                                 Total            Interest       Principal
        <S>                                                    <C>                <C>            <C>
         Class A      31 days at 5.313750000%                   $4.575729167       $4.575729167    $0.000000000

         Class B      31 days at 5.488750000%                   $4.726423611       $4.726423611    $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
  <S>                                                   <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63
      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1996-4 Investor Interest                     $1,052,632,000.00

  (e) Class A Investor Interest                           $1,000,000,000.00

      Class B Investor Interest                              $52,632,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------
                                                                 Finance Charge     Principal        Yield
                                                                  Collections      Collections     Collections
  <S>                                                          <C>              <C>                        <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                           $318,986,204.60   $3,143,772,753.34            $0.00

      Seller:                                                  $119,661,882.14   $1,179,329,259.93            $0.00

  (b) Group One Allocation                                     $277,159,793.58   $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                      $41,826,411.02     $412,220,746.28            $0.00

  (d) Series 1996-4 Allocations                                 $17,265,627.34     $170,161,618.34            $0.00

  (e) Class A Allocations                                       $16,402,367.91     $161,653,753.58            $0.00

      Class B Allocations                                          $863,259.43       $8,507,864.76            $0.00
</TABLE>

<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit    Investment
                          Due Period       Balance     Amount           Income
     <S>                     <C>          <C>          <C>            <C>
     Series 1996-4           $0.00         $0.00         0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                 Total Payments
                              Amount Paid      Deficit Amount     Through This
                             This Due Period   This Due Period     Due Period
    <S>                               <C>            <C>               <C>
     Series 1996-4                     $0.00            $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period         SIFA Balance
    <S>                                   <C>                        <C>
     Series 1996-4                         $4,824,490.30               $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
    <S>                                                     <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                Cumulative
                                                             Investor Charged-Off
                                        This Due Period          Amount
 <S>                                      <C>                      <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1996-4                         $6,041,619.23            $0.00

  (d) Class A                               $5,739,545.94            $0.00

      Class B                                 $302,073.29            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
 <S>                                               <C>           <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-4                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>           <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-4                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
 <S>                                               <C>           <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1996-4                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>


<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                      <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1996-4                                         $1,754,386.67

  (d) Class A                                               $1,666,666.67

      Class B                                                  $87,720.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
    <S>                                    <C>               <C>
     Series 1996-4 Class B                  $115,789,520.00    11.5790%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts

                                          Shared Amount    Class B Amount
    <S>                                           <C>         <C>
     Maximum Amount                                $0.00      $63,157,920.00

     Available Amount                              $0.00      $63,157,920.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00               $0.00
</TABLE>




<PAGE>   4




<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding $26,680,777,126.04

                      Delinquent Amount     Percentage of Ending
     Payment Status   Ending Balance        Receivables Outstanding
    <S>               <C>                      <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 ---------------------------------
                                        Vice President



<PAGE>   5
                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1996-4 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of April 30, 1996 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1996-4 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:


<TABLE>
<S>                                                                            <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                         $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                           $161,653,753.58

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                     $16,402,367.91

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                     $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                       $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                             $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                       $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                         $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                   $4,575,729.17
</TABLE>



<PAGE>   6


<TABLE>
<S>                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                               $8,507,864.76

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                          $863,259.43

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                       $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                         $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                               $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                         $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                           $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                       $248,761.13

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                              -------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



<PAGE>   1

                                                                    EXHIBIT (N)


                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                         Discover Card Master Trust I
                        Series 1997-1 Monthly Statement
                     Class A Certificate CUSIP #25466KBD0
                     Class B Certificate CUSIP #25466KBE8


Trust Distribution Date: April 15, 1999   Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of August 26, 1997 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1997-1                                                Total           Interest       Principal
        <S>                                                   <C>              <C>             <C>
         Class A      31 days at 5.028750000%                  $4.330312500     $4.330312500    $0.000000000

         Class B      31 days at 5.208750000%                  $4.485312500     $4.485312500    $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
  <S>                                                  <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63
      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1997-1 Investor Interest                       $789,474,000.00

  (e) Class A Investor Interest                             $750,000,000.00

      Class B Investor Interest                              $39,474,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                       Finance Charge     Principal        Yield
                                                                        Collections      Collections     Collections
  <S>                                                               <C>              <C>                      <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                                 $318,986,204.60   $3,143,772,753.34            $0.00

      Seller:                                                        $119,661,882.14   $1,179,329,259.93            $0.00

  (b) Group One Allocation                                           $277,159,793.58   $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                            $41,826,411.02     $412,220,746.28            $0.00

  (d) Series 1997-1 Allocations                                       $12,949,330.16     $127,622,294.53            $0.00

  (e) Class A Allocations                                             $12,301,885.59     $121,241,395.96            $0.00

      Class B Allocations                                                $647,444.57       $6,380,898.57            $0.00
</TABLE>

<PAGE>   2



<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit   Investment
                          Due Period       Balance     Amount           Income
    <S>                      <C>          <C>           <C>              <C>
     Series 1997-1           $0.00         $0.00         0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                Total Payments
                              Amount Paid      Deficit Amount    Through This
                             This Due Period  This Due Period     Due Period
    <S>                              <C>             <C>                <C>
     Series 1997-1                    $0.00            $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period        SIFA Balance
    <S>                                   <C>                       <C>
     Series 1997-1                         $3,424,787.61               $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                         This Due Period
    <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                     Cumulative
                                                                Investor Charged-Off
                                        This Due Period               Amount
  <S>                                     <C>                           <C>
  (a) Group One                            $96,984,251.15                  $0.00

  (b) Group Two                            $14,635,972.62                  $0.00

  (c) Series 1997-1                         $4,531,252.80                  $0.00

  (d) Class A                               $4,304,697.83                  $0.00

      Class B                                 $226,554.97                  $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>           <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-1                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>



<PAGE>   3





<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                               <C>         <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-1                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>          <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-1                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                     <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1997-1                                         $1,315,790.00

  (d) Class A                                               $1,250,000.00

      Class B                                                  $65,790.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                     <C>               <C>
     Series 1997-1 Class B                   $98,684,250.00    13.1579%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                           Shared Amount  Class B Amount
     <S>                                          <C>     <C>
     Maximum Amount                                $0.00   $59,210,550.00

     Available Amount                              $0.00   $59,210,550.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00            $0.00
</TABLE>




<PAGE>   4




<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding $26,680,777,126.04

                      Delinquent Amount     Percentage of Ending
     Payment Status   Ending Balance        Receivables Outstanding
    <S>              <C>                       <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  ------------------------------
                                        Vice President


<PAGE>   5
                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1997-1 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of August 26, 1997 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1997-1 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:


<TABLE>
<S>                                                                                   <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                 $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                   $121,241,395.96

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                             $12,301,885.59

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                               $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                 $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                           $3,247,734.38
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                        <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                     $6,380,898.57

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                                $647,444.57

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                               $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                                 $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                             $177,053.23

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                             ----------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



<PAGE>   1

                                                                    EXHIBIT (O)
                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                         Discover Card Master Trust I
                        Series 1997-2 Monthly Statement
                     Class A Certificate CUSIP #25466KBF5
                     Class B Certificate CUSIP #25466KBG3


Trust Distribution Date: April 15, 1999   Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of October 15, 1997 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1997-2                                                Total           Interest        Principal
        <S>                                                   <C>              <C>              <C>
         Class A      30 days at 6.792000000%                  $5.660000000      $5.660000000    $0.000000000

         Class B      31 days at 5.338750000%                  $4.597256944      $4.597256944    $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
  <S>                                                   <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63
      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1997-2 Investor Interest                       $526,316,000.00

  (e) Class A Investor Interest                             $500,000,000.00

      Class B Investor Interest                              $26,316,000.00
</TABLE>


<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------
                                                                       Finance Charge     Principal        Yield
                                                                        Collections      Collections     Collections
  <S>                                                               <C>               <C>                        <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                                 $318,986,204.60   $3,143,772,753.34            $0.00

      Seller:                                                        $119,661,882.14   $1,179,329,259.93            $0.00

  (b) Group One Allocation                                           $277,159,793.58   $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                            $41,826,411.02     $412,220,746.28            $0.00

  (d) Series 1997-2 Allocations                                        $8,633,032.99      $85,082,970.72            $0.00

  (e) Class A Allocations                                              $8,201,403.27      $80,829,038.34            $0.00

      Class B Allocations                                                $431,629.72       $4,253,932.38            $0.00
</TABLE>

<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA     Deposit Deficit   Investment
                          Due Period       Balance      Amount           Income
    <S>                     <C>            <C>          <C>               <C>
     Series 1997-2           $0.00         $0.00         0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                               Total Payments
               Amount Paid    PSA Index       Monthly         Deficit Amount    Through This
              This Due Period   Rate*     Amortization Rate*  This Due Period    Due Period
    <S>             <C>        <C>             <C>                    <C>           <C>
     Class A         $0.00      N/A             N/A                     $0.00         $0.00

     Class B         $0.00      N/A             N/A                     $0.00         $0.00
</TABLE>

*Rates are only applicable during the Class A Controlled Liquidation Period.

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period        SIFA Balance
    <S>                                   <C>                         <C>
     Series 1997-2                         $2,950,981.41              $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                         This Due Period
     <S>                                                   <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                Cumulative
                                                             Investor Charged-Off
                                        This Due Period          Amount
  <S>                                    <C>                        <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1997-2                         $3,020,886.36            $0.00

  (d) Class A                               $2,869,849.72            $0.00

      Class B                                 $151,036.64            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>           <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-2                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<PAGE>   3



<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                               <C>           <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-2                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                             <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-2                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                      <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1997-2                                           $877,193.33

  (d) Class A                                                 $833,333.33

      Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                    <C>                <C>
     Series 1997-2 Class B                   $47,368,440.00     9.4737%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                          Shared Amount  Class B Amount
     <S>                                          <C>      <C>
     Maximum Amount                                $0.00   $21,052,640.00

     Available Amount                              $0.00   $21,052,640.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00            $0.00
</TABLE>




<PAGE>   4




<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding $26,680,777,126.04

                      Delinquent Amount     Percentage of Ending
     Payment Status   Ending Balance        Receivables Outstanding
    <S>               <C>                       <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  -------------------------------
                                        Vice President

<PAGE>   5



                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1997-2 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of October 15, 1997 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1997-2 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                                  <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                 $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                    $80,829,038.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                              $8,201,403.27

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                               $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                 $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                           $2,830,000.00
</TABLE>

<PAGE>   6

<TABLE>
<S>                                                                                     <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                 $4,253,932.38

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                            $431,629.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                         $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                           $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                 $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                           $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                             $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                         $120,981.41

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                              --------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer


<PAGE>   1
                                                                    EXHIBIT (P)

                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1997-3 Monthly Statement
                   Class A Certificate CUSIP #25466KBH1
                   Class B Certificate CUSIP #25466KBJ7


Trust Distribution Date: April 15, 1999    Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of October 23, 1997 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1997-3                                            Total                 Interest         Principal
        <S>                                                   <C>                 <C>             <C>
         Class A      31 days at 5.068750000%                  $4.364756944        $4.364756944     $0.000000000

         Class B      31 days at 5.248750000%                  $4.519756944        $4.519756944     $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
  <S>                                                   <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63
      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1997-3 Investor Interest                       $684,211,000.00

  (e) Class A Investor Interest                             $650,000,000.00

      Class B Investor Interest                              $34,211,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------
                                                                          Finance Charge     Principal          Yield
                                                                           Collections      Collections       Collections
  <S>                                                                  <C>               <C>                       <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation.                                    $318,986,204.60   $3,143,772,753.34            $0.00

      Seller:                                                           $119,661,882.14   $1,179,329,259.93            $0.00

  (b) Group One Allocation                                              $277,159,793.58   $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                               $41,826,411.02     $412,220,746.28            $0.00

  (d) Series 1997-3 Allocations                                          $11,222,372.66     $110,602,241.91            $0.00

  (e) Class A Allocations                                                $10,661,341.75     $105,072,994.43            $0.00

      Class B Allocations                                                   $561,030.91       $5,529,247.48            $0.00
</TABLE>

<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit     Investment
                          Due Period       Balance    Amount              Income
     <S>                    <C>            <C>          <C>                <C>
     Series 1997-3           $0.00         $0.00         0.00               $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                 Total Payments
                               Amount Paid      Deficit Amount    Through This
                             This Due Period   This Due Period     Due Period
   <S>                            <C>             <C>                <C>
     Series 1997-3                 $0.00            $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period          SIFA Balance
    <S>                                    <C>                        <C>
     Series 1997-3                         $2,991,717.41                $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                        This Due Period
     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                Cumulative
                                                             Investor Charged-Off
                                            This Due Period      Amount
  <S>                                     <C>                       <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1997-3                         $3,926,952.73            $0.00

  (d) Class A                               $3,730,635.79            $0.00

      Class B                                 $196,316.94            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-3                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>


<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                               <C>           <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-3                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
  <S>                                              <C>             <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-3                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
  <S>                                                     <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1997-3                                         $1,140,351.66

  (d) Class A                                               $1,083,333.33

      Class B                                                  $57,018.33
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
    <S>                                      <C>              <C>
     Series 1997-3 Class B                   $85,526,375.00    13.1579%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                          Shared Amount  Class B Amount
    <S>                                           <C>     <C>
     Maximum Amount                                $0.00   $51,315,825.00

     Available Amount                              $0.00   $51,315,825.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00            $0.00
</TABLE>




<PAGE>   4






<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding $26,680,777,126.04

                      Delinquent Amount     Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding
     <S>             <C>                        <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 -------------------------------------
                                        Vice President

<PAGE>   5
                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1997-3 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of October 23, 1997 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1997-3 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                                   <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                 $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                   $105,072,994.43

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                             $10,661,341.75

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                               $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                 $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                           $2,837,092.01
</TABLE>



<PAGE>   6



<TABLE>
<S>                                                                                     <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                 $5,529,247.48

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                            $561,030.91

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                         $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                           $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                 $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                           $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                             $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                         $154,625.40

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                             as Master Servicer

                           By:
                              ---------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer





<PAGE>   1
                                                                    EXHIBIT (Q)


                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1997-4 Monthly Statement
                   Class A Certificate CUSIP #25466KBK4
                   Class B Certificate CUSIP #25466KBL2


Trust Distribution Date: April 15, 1999      Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of October 31, 1997 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.    Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
      -----------------------------------------------------------------------------------------------------------

      Series  1997-4                                            Total           Interest        Principal
          <S>                                               <C>               <C>             <C>
          Class A      31 days at 5.008750000%              $4.313090278      $4.313090278    $0.000000000

          Class B      31 days at 5.188750000%              $4.468090278      $4.468090278    $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.    Principal Receivables at the end of the Due Period
      --------------------------------------------------
  <S>                                                    <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63

      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1997-4 Investor Interest                       $789,474,000.00

  (e) Class A Investor Interest                             $750,000,000.00

      Class B Investor Interest                              $39,474,000.00
</TABLE>

<TABLE>
<CAPTION>
3.    Allocation of Receivables Collected During the Due Period
      ---------------------------------------------------------

                                                                     Finance Charge           Principal            Yield
                                                                      Collections            Collections        Collections
  <S>                                                               <C>                     <C>                          <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation                                $318,986,204.60         $3,143,772,753.34            $0.00

      Seller                                                        $119,661,882.14         $1,179,329,259.93            $0.00

  (b) Group One Allocation                                          $277,159,793.58         $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                           $41,826,411.02           $412,220,746.28            $0.00

  (d) Series 1997-4 Allocations                                      $12,949,330.16           $127,622,294.53            $0.00

  (e) Class A Allocations                                            $12,301,885.59           $121,241,395.96            $0.00

      Class B Allocations                                               $647,444.57             $6,380,898.57            $0.00
</TABLE>
<PAGE>   2

<TABLE>
<CAPTION>
4.    Information Concerning the Series Principal Funding Accounts ("SPFA")
      ---------------------------------------------------------------------
                         Deposits into the
                           SPFAs This        SPFA    Deposit Deficit    Investment
                           Due Period       Balance      Amount           Income
      <S>                     <C>           <C>           <C>             <C>
      Series 1997-4           $0.00         $0.00         0.00            $0.00
</TABLE>

<TABLE>
<CAPTION>
5.    Information Concerning Amount of Controlled Liquidation Payments
      ----------------------------------------------------------------
                                                                        Total Payments
                                Amount Paid        Deficit Amount       Through This
                              This Due Period      This Due Period       Due Period
      <S>                           <C>                   <C>                  <C>
      Series 1997-4                 $0.00                 $0.00                $0.00
</TABLE>

<TABLE>
<CAPTION>
6.    Information Concerning the Series Interest Funding Accounts ("SIFA")
      --------------------------------------------------------------------
                                          Deposits Into the
                                            SIFAs This
                                            Due Period              SIFA Balance
      <S>                                   <C>                            <C>
      Series 1997-4                         $3,411,191.11                  $0.00
</TABLE>

<TABLE>
<CAPTION>
7.    Pool Factors
      ------------
                                                         This Due Period
      <S>                                                     <C>
      Class A                                                 1.00000000

      Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.    Investor Charged-Off Amount
      ---------------------------
                                                               Cumulative
                                                            Investor Charged-Off
                                         This Due Period        Amount
  <S>                                      <C>                       <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1997-4                         $4,531,252.80            $0.00

  (d) Class A                               $4,304,697.83            $0.00

      Class B                                 $226,554.97            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.    Investor Losses This Due Period
      -------------------------------
                                                               Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-4                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>
<PAGE>   3

<TABLE>
<CAPTION>
10.   Reimbursement of Investor Losses This Due Period
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-4                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.   Aggregate Amount of Unreimbursed Investor Losses
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1997-4                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.   Investor Monthly Servicing Fee Payable at the end of the Due Period
      -------------------------------------------------------------------
  <S>                                                      <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1997-4                                         $1,315,790.00

  (d) Class A                                               $1,250,000.00

      Class B                                                  $65,790.00
</TABLE>

<TABLE>
<CAPTION>
13.   Class Available Subordinated Amount at the end of the Due Period
      ----------------------------------------------------------------
                                                              As a Percentage
                                                                of Class A
                                                  Total       Invested Amount
      <S>                                     <C>               <C>
      Series 1997-4 Class B                   $98,684,250.00    13.1579%
</TABLE>

<TABLE>
<CAPTION>
14.   Total Available Credit Enhancement Amounts
      ------------------------------------------

                                           Shared Amount       Class B Amount
      <S>                                           <C>           <C>
      Maximum Amount                                $0.00         $59,210,550.00

      Available Amount                              $0.00         $59,210,550.00

      Amount of Drawings on Credit Enhancement
        for this Due Period                         $0.00                  $0.00
</TABLE>
<PAGE>   4

<TABLE>
<CAPTION>
15.   Delinquency Summary
      -------------------

      End of Due Period Master Trust Receivables Outstanding      $26,680,777,126.04

                          Delinquent Amount        Percentage of Ending
      Payment Status      Ending Balance           Receivables Outstanding
      <S>                  <C>                          <C>
      30-59 days             $648,154,953.36            2.43%

      60-179 days          $1,159,113,400.71            4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  ----------------------------

                                        Vice President
<PAGE>   5

                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1997-4 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of October 31, 1997 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1997-4 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                                     <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                 $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                   $121,241,395.96

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                             $12,301,885.59

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                               $0.00

  7. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                 $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                           $3,234,817.71
</TABLE>
<PAGE>   6

<TABLE>
<S>                                                                                         <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                     $6,380,898.57

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                                $647,444.57

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                               $0.00

 12. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                                 $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                             $176,373.40

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                                as Master Servicer

                           By:
                              --------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer

<PAGE>   1

                                                                    EXHIBIT (R)


                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                         Discover Card Master Trust I
                        Series 1998-1 Monthly Statement
                     Class A Certificate CUSIP #25466KBM0
                     Class B Certificate CUSIP #25466KBN8


Trust Distribution Date: April 15, 1999      Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of January 14, 1998 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.    Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
      -----------------------------------------------------------------------------------------------------------

      Series  1998-1                                     Total           Interest        Principal
          <S>                                      <C>                <C>              <C>
          Class A      31 days at 5.028750000%     $4.330312500       $4.330312500     $0.000000000

          Class B      31 days at 5.208750000%     $4.485312500       $4.485312500     $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.    Principal Receivables at the end of the Due Period
      --------------------------------------------------
  <S>                                                    <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63

      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1998-1 Investor Interest                       $368,422,000.00

  (e) Class A Investor Interest                             $350,000,000.00

      Class B Investor Interest                              $18,422,000.00
</TABLE>

<TABLE>
<CAPTION>
3.    Allocation of Receivables Collected During the Due Period
      ---------------------------------------------------------

                                                                Finance Charge              Principal         Yield
                                                                 Collections               Collections      Collections
  <S>                                                           <C>                     <C>                          <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation                             $318,986,204.60         $3,143,772,753.34            $0.00

      Seller                                                    $119,661,882.14         $1,179,329,259.93            $0.00

  (b) Group One Allocation                                      $277,159,793.58         $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                       $41,826,411.02           $412,220,746.28            $0.00

  (d) Series 1998-1 Allocations                                   $6,043,254.70            $59,559,376.44            $0.00

  (e) Class A Allocations                                         $5,741,026.17            $56,580,759.15            $0.00

      Class B Allocations                                           $302,228.53             $2,978,617.29            $0.00
</TABLE>
<PAGE>   2

<TABLE>
<CAPTION>
4.    Information Concerning the Series Principal Funding Accounts ("SPFA")
      ---------------------------------------------------------------------
                         Deposits into the
                           SPFAs This        SPFA    Deposit Deficit    Investment
                           Due Period       Balance      Amount           Income
      <S>                     <C>           <C>             <C>            <C>
      Series 1998-1           $0.00         $0.00           0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.    Information Concerning Amount of Controlled Liquidation Payments
      ----------------------------------------------------------------
                                                                    Total Payments
                                Amount Paid      Deficit Amount     Through This
                              This Due Period    This Due Period     Due Period
      <S>                           <C>                 <C>                 <C>
      Series 1998-1                 $0.00               $0.00               $0.00
</TABLE>

<TABLE>
<CAPTION>
6.    Information Concerning the Series Interest Funding Accounts ("SIFA")
      --------------------------------------------------------------------
                                         Deposits Into the
                                            SIFAs This
                                            Due Period        SIFA Balance
      <S>                                   <C>                      <C>
      Series 1998-1                         $1,598,237.81            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.    Pool Factors
      ------------
                                                         This Due Period
      <S>                                                     <C>
      Class A                                                 1.00000000

      Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.    Investor Charged-Off Amount
      ---------------------------
                                                                Cumulative
                                                            Investor Charged-Off
                                         This Due Period         Amount
  <S>                                      <C>                       <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1998-1                         $2,114,666.50            $0.00

  (d) Class A                               $2,008,910.15            $0.00

      Class B                                 $105,756.35            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.    Investor Losses This Due Period
      -------------------------------
                                                               Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-1                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>
<PAGE>   3

<TABLE>
<CAPTION>
10.   Reimbursement of Investor Losses This Due Period
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-1                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.   Aggregate Amount of Unreimbursed Investor Losses
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-1                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.   Investor Monthly Servicing Fee Payable at the end of the Due Period
      -------------------------------------------------------------------
  <S>                                                      <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1998-1                                           $614,036.66

  (d) Class A                                                 $583,333.33

      Class B                                                  $30,703.33
</TABLE>

<TABLE>
<CAPTION>
13.   Class Available Subordinated Amount at the end of the Due Period
      ----------------------------------------------------------------
                                                              As a Percentage
                                                                of Class A
                                               Total          Invested Amount
      <S>                                     <C>               <C>
      Series 1998-1 Class B                   $46,052,750.00    13.1579%
</TABLE>

<TABLE>
<CAPTION>
14.   Total Available Credit Enhancement Amounts
      ------------------------------------------

                                           Shared Amount     Class B Amount
      <S>                                           <C>         <C>
      Maximum Amount                                $0.00       $27,631,650.00

      Available Amount                              $0.00       $27,631,650.00

      Amount of Drawings on Credit Enhancement
        for this Due Period                         $0.00                $0.00
</TABLE>
<PAGE>   4

<TABLE>
<CAPTION>
15.   Delinquency Summary
      -------------------

      End of Due Period Master Trust Receivables Outstanding       $26,680,777,126.04

                       Delinquent Amount     Percentage of Ending
      Payment Status   Ending Balance        Receivables Outstanding
      <S>              <C>                        <C>
      30-59 days         $648,154,953.36          2.43%

      60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                  U.S. BANK NATIONAL ASSOCIATION
                                  as Trustee


                              BY:
                                  ------------------------------

                                        Vice President
<PAGE>   5

                     MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1998-1 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of January 14, 1998 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1998-1 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                                     <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                 $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                    $56,580,759.15

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                              $5,741,026.17

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                               $0.00

  7. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                 $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                           $1,515,609.38
</TABLE>
<PAGE>   6

<TABLE>
<CAPTION>
<S>                                                                                         <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                     $2,978,617.29

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                                $302,228.53

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                               $0.00

 12. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                                 $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                              $82,628.43

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                              as Master Servicer

                           By:
                              -------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer

<PAGE>   1

                                                                      EXHIBIT S


                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                         Discover Card Master Trust I
                        Series 1998-2 Monthly Statement
                     Class A Certificate CUSIP #25466KBP3
                     Class B Certificate CUSIP #25466KBQ1


Trust Distribution Date: April 15, 1999      Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of March  4, 1998 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.    Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
      -----------------------------------------------------------------------------------------------------------

      Series  1998-2                                             Total           Interest        Principal
          <S>                                              <C>                 <C>              <C>
          Class A      30 days at 5.800000000%             $4.833333333        $4.833333333     $0.000000000

          Class B      30 days at 5.950000000%             $4.958333333        $4.958333333     $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.    Principal Receivables at the end of the Due Period
      --------------------------------------------------
  <S>                                                    <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63

      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1998-2 Investor Interest                       $526,316,000.00

  (e) Class A Investor Interest                             $500,000,000.00

      Class B Investor Interest                              $26,316,000.00
</TABLE>

<TABLE>
<CAPTION>
3.    Allocation of Receivables Collected During the Due Period
      ---------------------------------------------------------

                                                                 Finance Charge         Principal         Yield
                                                                  Collections          Collections      Collections
  <S>                                                           <C>                <C>                          <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation                             $318,986,204.60    $3,143,772,753.34            $0.00

      Seller                                                    $119,661,882.14    $1,179,329,259.93            $0.00

  (b) Group One Allocation                                      $277,159,793.58    $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                       $41,826,411.02      $412,220,746.28            $0.00

  (d) Series 1998-2 Allocations                                   $8,633,032.99       $85,082,970.72            $0.00

  (e) Class A Allocations                                         $8,201,403.27       $80,829,038.34            $0.00

      Class B Allocations                                           $431,629.72        $4,253,932.38            $0.00
</TABLE>
<PAGE>   2

<TABLE>
<CAPTION>
4.    Information Concerning the Series Principal Funding Accounts ("SPFA")
      ---------------------------------------------------------------------
                         Deposits into the
                           SPFAs This         SPFA     Deposit Deficit   Investment
                           Due Period        Balance       Amount          Income
      <S>                     <C>            <C>            <C>            <C>
      Series 1998-2           $0.00          $0.00          0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.    Information Concerning Amount of Controlled Liquidation Payments
      ----------------------------------------------------------------
                                                                  Total Payments
                                Amount Paid     Deficit Amount    Through This
                              This Due Period  This Due Period    Due Period
      <S>                           <C>               <C>                <C>
      Series 1998-2                 $0.00             $0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
6.    Information Concerning the Series Interest Funding Accounts ("SIFA")
      --------------------------------------------------------------------
                                           Deposits Into the
                                               SIFAs This
                                               Due Period      SIFA Balance
      <S>                                   <C>                     <C>
      Series 1998-2                         $2,547,150.17           $2,547,150.17
</TABLE>

<TABLE>
<CAPTION>
7.    Pool Factors
      ------------
                                                       This Due Period
      <S>                                                     <C>
      Class A                                                 1.00000000

      Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.    Investor Charged-Off Amount
      ---------------------------
                                                                Cumulative
                                                            Investor Charged-Off
                                        This Due Period          Amount
  <S>                                      <C>                       <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1998-2                         $3,020,886.36            $0.00

  (d) Class A                               $2,869,849.72            $0.00

      Class B                                 $151,036.64            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.    Investor Losses This Due Period
      -------------------------------
                                                               Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-2                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>
<PAGE>   3

<TABLE>
<CAPTION>
10.   Reimbursement of Investor Losses This Due Period
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-2                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.   Aggregate Amount of Unreimbursed Investor Losses
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-2                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.   Investor Monthly Servicing Fee Payable at the end of the Due Period
      -------------------------------------------------------------------
  <S>                                                      <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1998-2                                           $877,193.33

  (d) Class A                                                 $833,333.33

      Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.   Class Available Subordinated Amount at the end of the Due Period
      ----------------------------------------------------------------
                                                                As a Percentage
                                                                  of Class A
                                               Total            Invested Amount
      <S>                                     <C>                  <C>
      Series 1998-2 Class B                   $44,736,860.00       8.9474%
</TABLE>

<TABLE>
<CAPTION>
14.   Total Available Credit Enhancement Amounts
      ------------------------------------------

                                           Shared Amount    Class B Amount
      <S>                                           <C>       <C>
      Maximum Amount                                $0.00     $21,052,640.00

      Available Amount                              $0.00     $21,052,640.00

      Amount of Drawings on Credit Enhancement
        for this Due Period                         $0.00              $0.00
</TABLE>
<PAGE>   4

<TABLE>
<CAPTION>
15.   Delinquency Summary
      -------------------

      End of Due Period Master Trust Receivables Outstanding      $26,680,777,126.04

                       Delinquent Amount     Percentage of Ending
      Payment Status   Ending Balance        Receivables Outstanding
      <S>              <C>                        <C>
      30-59 days         $648,154,953.36          2.43%

      60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 -------------------------------

                                        Vice President
<PAGE>   5

                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1998-2 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of March  4, 1998 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1998-2 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                                       <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                   $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                      $80,829,038.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                                $8,201,403.27

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                               $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                                 $0.00

  7. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                       $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                                 $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                   $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                     $0.00
</TABLE>
<PAGE>   6

<TABLE>
<S>                                                                                           <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                       $4,253,932.38

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                                  $431,629.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                               $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                                 $0.00

 12. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                       $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                                 $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                                   $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                     $0.00

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                              as Master Servicer

                           By:
                              -------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer

<PAGE>   1

                                                                    EXHIBIT (T)


                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                         Discover Card Master Trust I
                        Series 1998-3 Monthly Statement
                     Class A Certificate CUSIP #25466KBR9
                     Class B Certificate CUSIP #25466KBS7


Trust Distribution Date: April 15, 1999      Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of March 25, 1998 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.    Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
      -----------------------------------------------------------------------------------------------------------

      Series  1998-3                                     Total              Interest             Principal
          <S>                                      <C>                   <C>                   <C>
          Class A      31 days at 5.063750000%     $4.360451389          $4.360451389          $0.000000000

          Class B      31 days at 5.228750000%     $4.502534722          $4.502534722          $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.    Principal Receivables at the end of the Due Period
      --------------------------------------------------
  <S>                                                    <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63

      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1998-3 Investor Interest                       $789,474,000.00

  (e) Class A Investor Interest                             $750,000,000.00

      Class B Investor Interest                              $39,474,000.00
</TABLE>

<TABLE>
<CAPTION>
3.    Allocation of Receivables Collected During the Due Period
      ---------------------------------------------------------

                                                                   Finance Charge        Principal            Yield
                                                                    Collections         Collections         Collections
  <S>                                                             <C>                 <C>                          <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation                               $318,986,204.60     $3,143,772,753.34            $0.00

      Seller                                                      $119,661,882.14     $1,179,329,259.93            $0.00

  (b) Group One Allocation                                        $277,159,793.58     $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                         $41,826,411.02       $412,220,746.28            $0.00

  (d) Series 1998-3 Allocations                                    $12,949,330.16       $127,622,294.53            $0.00

  (e) Class A Allocations                                          $12,301,885.59       $121,241,395.96            $0.00

      Class B Allocations                                             $647,444.57         $6,380,898.57            $0.00
</TABLE>
<PAGE>   2

<TABLE>
<CAPTION>
4.    Information Concerning the Series Principal Funding Accounts ("SPFA")
      ---------------------------------------------------------------------
                        Deposits into the
                           SPFAs This          SPFA      Deposit Deficit   Investment
                           Due Period         Balance        Amount         Income
      <S>                     <C>             <C>             <C>            <C>
      Series 1998-3           $0.00           $0.00           0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.    Information Concerning Amount of Controlled Liquidation Payments
      ----------------------------------------------------------------
                                                                  Total Payments
                               Amount Paid      Deficit Amount    Through This
                              This Due Period   This Due Period    Due Period
      <S>                           <C>                <C>                <C>
      Series 1998-3                 $0.00              $0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
6.    Information Concerning the Series Interest Funding Accounts ("SIFA")
      --------------------------------------------------------------------
                                            Deposits Into the
                                               SIFAs This
                                               Due Period     SIFA Balance
      <S>                                   <C>                      <C>
      Series 1998-3                         $3,448,071.60            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.    Pool Factors
      ------------
                                                         This Due Period
      <S>                                                     <C>
      Class A                                                 1.00000000

      Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.    Investor Charged-Off Amount
      ---------------------------
                                                                Cumulative
                                                            Investor Charged-Off
                                        This Due Period          Amount
  <S>                                      <C>                       <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1998-3                         $4,531,252.80            $0.00

  (d) Class A                               $4,304,697.83            $0.00

      Class B                                 $226,554.97            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.    Investor Losses This Due Period
      -------------------------------
                                                               Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-3                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>
<PAGE>   3

<TABLE>
<CAPTION>
10.   Reimbursement of Investor Losses This Due Period
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-3                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.   Aggregate Amount of Unreimbursed Investor Losses
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-3                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.   Investor Monthly Servicing Fee Payable at the end of the Due Period
      -------------------------------------------------------------------
  <S>                                                      <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1998-3                                         $1,315,790.00

  (d) Class A                                               $1,250,000.00

      Class B                                                  $65,790.00
</TABLE>

<TABLE>
<CAPTION>
13.   Class Available Subordinated Amount at the end of the Due Period
      ----------------------------------------------------------------
                                                                As a Percentage
                                                                  of Class A
                                               Total            Invested Amount
      <S>                                     <C>                 <C>
      Series 1998-3 Class B                   $98,684,250.00      13.1579%
</TABLE>

<TABLE>
<CAPTION>
14.   Total Available Credit Enhancement Amounts
      ------------------------------------------

                                              Shared Amount        Class B Amount
      <S>                                              <C>           <C>
      Maximum Amount                                   $0.00         $59,210,550.00

      Available Amount                                 $0.00         $59,210,550.00

      Amount of Drawings on Credit Enhancement
        for this Due Period                            $0.00                  $0.00
</TABLE>
<PAGE>   4

<TABLE>
<CAPTION>
15.   Delinquency Summary
      -------------------

      End of Due Period Master Trust Receivables Outstanding      $26,680,777,126.04

                       Delinquent Amount     Percentage of Ending
      Payment Status   Ending Balance        Receivables Outstanding
      <S>              <C>                        <C>
      30-59 days         $648,154,953.36          2.43%

      60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 -------------------------------

                                        Vice President
<PAGE>   5

                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1998-3 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of March 25, 1998 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1998-3 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                                  <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                              $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                $121,241,395.96

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                          $12,301,885.59

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                          $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                            $0.00

  7. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                  $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                            $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                              $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                        $3,270,338.54
</TABLE>
<PAGE>   6

<TABLE>
<S>                                                                                      <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                  $6,380,898.57

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                             $647,444.57

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                          $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                            $0.00

 12. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                  $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                            $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                              $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                          $177,733.06

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                              as Master Servicer

                           By:
                              -------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer

<PAGE>   1

                                                                    EXHIBIT (U)


                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                         Discover Card Master Trust I
                        Series 1998-4 Monthly Statement
                     Class A Certificate CUSIP #25466KBT5
                     Class B Certificate CUSIP #25466KBU2


Trust Distribution Date: April 15, 1999      Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of April  9, 1998 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.    Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
      -----------------------------------------------------------------------------------------------------------

      Series  1998-4                                    Total           Interest        Principal
          <S>                                      <C>               <C>              <C>
          Class A      30 days at 5.750000000%     $4.791666667      $4.791666667     $0.000000000

          Class B      30 days at 5.900000000%     $4.916666667      $4.916666667     $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.    Principal Receivables at the end of the Due Period
      --------------------------------------------------
  <S>                                                    <C>
  (a) Aggregate Investor Interest                        $19,318,236,342.63

      Seller Interest                                     $6,980,635,086.38

      Total Master Trust                                 $26,298,871,429.01


  (b) Group One Investor Interest                        $16,768,236,342.63

  (c) Group Two Investor Interest                         $2,550,000,000.00

  (d) Series 1998-4 Investor Interest                       $526,316,000.00

  (e) Class A Investor Interest                             $500,000,000.00

      Class B Investor Interest                              $26,316,000.00
</TABLE>

<TABLE>
<CAPTION>
3.    Allocation of Receivables Collected During the Due Period
      ---------------------------------------------------------

                                                                   Finance Charge         Principal           Yield
                                                                    Collections          Collections        Collections
  <S>                                                             <C>                  <C>                          <C>
  (a) Allocation of Collections between Investor and Seller

      Aggregate Investor Allocation                               $318,986,204.60      $3,143,772,753.34            $0.00

      Seller                                                      $119,661,882.14      $1,179,329,259.93            $0.00

  (b) Group One Allocation                                        $277,159,793.58      $2,731,552,007.06            $0.00

  (c) Group Two Allocation                                         $41,826,411.02        $412,220,746.28            $0.00

  (d) Series 1998-4 Allocations                                     $8,633,032.99         $85,082,970.72            $0.00

  (e) Class A Allocations                                           $8,201,403.27         $80,829,038.34            $0.00

      Class B Allocations                                             $431,629.72          $4,253,932.38            $0.00
</TABLE>
<PAGE>   2

<TABLE>
<CAPTION>
4.    Information Concerning the Series Principal Funding Accounts ("SPFA")
      ---------------------------------------------------------------------
                        Deposits into the
                           SPFAs This        SPFA    Deposit Deficit  Investment
                           Due Period       Balance      Amount         Income
      <S>                     <C>           <C>           <C>          <C>
      Series 1998-4           $0.00         $0.00         0.00         $0.00
</TABLE>

<TABLE>
<CAPTION>
5.    Information Concerning Amount of Controlled Liquidation Payments
      ----------------------------------------------------------------
                                                                 Total Payments
                                Amount Paid    Deficit Amount    Through This
                              This Due Period  This Due Period    Due Period
      <S>                           <C>               <C>                <C>
      Series 1998-4                 $0.00             $0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
6.    Information Concerning the Series Interest Funding Accounts ("SIFA")
      --------------------------------------------------------------------
                                            Deposits Into the
                                               SIFAs This
                                               Due Period     SIFA Balance
      <S>                                   <C>                      <C>
      Series 1998-4                         $2,525,220.33            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.    Pool Factors
      ------------
                                                         This Due Period
      <S>                                                     <C>
      Class A                                                 1.00000000

      Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.    Investor Charged-Off Amount
      ---------------------------
                                                                Cumulative
                                                            Investor Charged-Off
                                        This Due Period          Amount
  <S>                                      <C>                       <C>
  (a) Group One                            $96,984,251.15            $0.00

  (b) Group Two                            $14,635,972.62            $0.00

  (c) Series 1998-4                         $3,020,886.36            $0.00

  (d) Class A                               $2,869,849.72            $0.00

      Class B                                 $151,036.64            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.    Investor Losses This Due Period
      -------------------------------
                                                               Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-4                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>
<PAGE>   3

<TABLE>
<CAPTION>
10.   Reimbursement of Investor Losses This Due Period
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-4                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.   Aggregate Amount of Unreimbursed Investor Losses
      ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                  Total         Principal
  <S>                                               <C>            <C>
  (a) Group One                                     $0.00          $0.00

  (b) Group Two                                     $0.00          $0.00

  (c) Series 1998-4                                 $0.00          $0.00

  (d) Class A                                       $0.00          $0.00

      Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.   Investor Monthly Servicing Fee Payable at the end of the Due Period
      -------------------------------------------------------------------
  <S>                                                      <C>
  (a) Group One                                            $28,162,338.33

  (b) Group Two                                             $4,250,000.00

  (c) Series 1998-4                                           $877,193.33

  (d) Class A                                                 $833,333.33

      Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.   Class Available Subordinated Amount at the end of the Due Period
      ----------------------------------------------------------------
                                                                As a Percentage
                                                                  of Class A
                                               Total            Invested Amount
      <S>                                     <C>                  <C>
      Series 1998-4 Class B                   $44,736,860.00       8.9474%
</TABLE>

<TABLE>
<CAPTION>
14.   Total Available Credit Enhancement Amounts
      ------------------------------------------

                                          Shared Amount         Class B Amount
      <S>                                           <C>               <C>
      Maximum Amount                                $0.00             $21,052,640.00

      Available Amount                              $0.00             $21,052,640.00

      Amount of Drawings on Credit Enhancement
        for this Due Period                         $0.00                      $0.00
</TABLE>
<PAGE>   4

<TABLE>
<CAPTION>
15.   Delinquency Summary
      -------------------

      End of Due Period Master Trust Receivables Outstanding      $26,680,777,126.04

                         Delinquent Amount   Percentage of Ending
      Payment Status     Ending Balance      Receivables Outstanding
      <S>                <C>                      <C>
      30-59 days         $648,154,953.36          2.43%

      60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 ------------------------------

                                        Vice President
<PAGE>   5

                    MASTER SERVICER'S CERTIFICATE STATEMENT

                         Discover Card Master Trust I

                        Series 1998-4 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of April  9, 1998 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1998-4 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                                 <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                             $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                $80,829,038.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                          $8,201,403.27

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                         $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                           $0.00

  7. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                 $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                           $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                             $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                      $14,374,999.98
</TABLE>
<PAGE>   6

<TABLE>
<S>                                                                                     <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                 $4,253,932.38

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                            $431,629.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                         $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                           $0.00

 12. The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                 $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                           $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                             $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                         $776,322.00

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                              as Master Servicer

                           By:
                              -----------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer

<PAGE>   1
                                                                  EXHIBIT (V)


                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                        Discover Card Master Trust I
                       Series 1998-6 Monthly Statement
                   Class A Certificate CUSIP #25466KBY4
                   Class B Certificate CUSIP #25466KBZ1


Trust Distribution Date: April 15, 1999     Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of July 30, 1998 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>

1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1998-6                               Total          Interest       Principal
         <S>                                   <C>             <C>             <C>
         Class A      30 days at 5.850000000%  $4.875000000    $4.875000000    $0.000000000

         Class B      30 days at 6.050000000%  $5.041666667    $5.041666667    $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $19,318,236,342.63

     Seller Interest                                     $6,980,635,086.38

     Total Master Trust                                 $26,298,871,429.01


 (b) Group One Investor Interest                        $16,768,236,342.63

 (c) Group Two Investor Interest                         $2,550,000,000.00

 (d) Series 1998-6 Investor Interest                       $526,316,000.00

 (e) Class A Investor Interest                             $500,000,000.00

     Class B Investor Interest                              $26,316,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                  Finance Charge        Principal           Yield
                                                                   Collections         Collections        Collections
 <S>                                                             <C>                <C>                     <C>
 (a) Allocation of Collections between Investor and Seller

     Aggregate Investor Allocation                                $318,986,204.60   $3,143,772,753.34        $0.00

     Seller                                                       $119,661,882.14   $1,179,329,259.93        $0.00

 (b) Group One Allocation                                         $277,159,793.58   $2,731,552,007.06        $0.00

 (c) Group Two Allocation                                          $41,826,411.02     $412,220,746.28        $0.00

 (d) Series 1998-6 Allocations                                      $8,633,032.99      $85,082,970.72        $0.00

 (e) Class A Allocations                                            $8,201,403.27      $80,829,038.34        $0.00

     Class B Allocations                                              $431,629.72       $4,253,932.38        $0.00
</TABLE>

<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit  Investment
                          Due Period       Balance      Amount         Income
     <S>                     <C>           <C>          <C>           <C>
     Series 1998-6           $0.00         $0.00         0.00         $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                  Total Payments
                              Amount Paid      Deficit Amount     Through This
                             This Due Period   This Due Period     Due Period
     <S>                          <C>                <C>              <C>
     Series 1998-6                 $0.00              $0.00            $0.00

</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period       SIFA Balance
     <S>                                  <C>                 <C>
     Series 1998-6                         $2,570,176.50       $7,710,529.50
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                    Cumulative
                                                                 Investor Charged-Off
                                            This Due Period          Amount
 <S>                                     <C>                       <C>
 (a) Group One                            $96,984,251.15            $0.00

 (b) Group Two                            $14,635,972.62            $0.00

 (c) Series 1998-6                         $3,020,886.36            $0.00

 (d) Class A                               $2,869,849.72            $0.00

     Class B                                 $151,036.64            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                           Per $1,000 of
                                                              Original Invested
                                                   Total        Principal
 <S>                                               <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-6                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>


<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------       Per $1,000 of
                                                            Original Invested
                                                  Total       Principal
<S>                                               <C>             <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-6                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------         Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
 <S>                                               <C>           <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-6                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
 <S>                                                      <C>
 (a) Group One                                            $28,162,338.33

 (b) Group Two                                             $4,250,000.00

 (c) Series 1998-6                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                     <C>               <C>
     Series 1998-6 Class B                   $44,736,860.00     8.9474%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------
                                             Shared Amount  Class B Amount
     <S>                                          <C>     <C>
     Maximum Amount                                $0.00   $21,052,640.00

     Available Amount                              $0.00   $21,052,640.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00            $0.00
</TABLE>

<PAGE>   4


<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding $26,680,777,126.04

                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding
     <S>              <C>                       <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 -----------------------------

                                        Vice President

<PAGE>   5
                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1998-6 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of July 30, 1998 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1998-6 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
 <S>                                                                             <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                          $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                             $80,829,038.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                       $8,201,403.27

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                      $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                        $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

      (a)  with respect to the Class A Required Amount Shortfall                             $0.00
            is equal to

      (b)  with respect to the Class A Cumulative Investor Charged-Off                       $0.00
            Amount is equal to

      (c)  with respect to the Class A Investor Interest is equal to                         $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                            $0.00
</TABLE>

<PAGE>   6

<TABLE>
<S>                                                                               <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                            $4,253,932.38

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                       $431,629.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                    $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                      $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                            $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                      $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                        $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                          $0.00

14.  Attached hereto is a true copy of the statement required to be
     delivered by the Master Servicer on the date of this Certificate to the
     Trustee pursuant to Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                                as Master Servicer

                           By:
                              ---------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer

<PAGE>   1
                                                                  EXHIBIT (W)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1998-7 Monthly Statement
                      Class A Certificate CUSIP #25466KCA5
                      Class B Certificate CUSIP #25466KCB3


 Trust Distribution Date: April 15, 1999     Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of November 12, 1998 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1998-7                                  Total       Interest     Principal
         <S>                                     <C>           <C>           <C>
         Class A      30 days at 5.600000000%    $4.666666667  $4.666666667  $0.000000000

         Class B      30 days at 5.900000000%    $4.916666667  $4.916666667  $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $19,318,236,342.63

     Seller Interest                                     $6,980,635,086.38

     Total Master Trust                                 $26,298,871,429.01


 (b) Group One Investor Interest                        $16,768,236,342.63

 (c) Group Two Investor Interest                         $2,550,000,000.00

 (d) Series 1998-7 Investor Interest                     $1,052,632,000.00

 (e) Class A Investor Interest                           $1,000,000,000.00

     Class B Investor Interest                              $52,632,000.00
</TABLE>

<TABLE>
<CAPTION>

3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------
                                                              Finance Charge       Principal          Yield
                                                               Collections        Collections       Collections

 <S>                                                        <C>               <C>                   <C>
 (a) Allocation of Collections between Investor and Seller

     Aggregate Investor Allocation                           $318,986,204.60   $3,143,772,753.34      $0.00

     Seller                                                  $119,661,882.14   $1,179,329,259.93      $0.00

 (b) Group One Allocation                                    $277,159,793.58   $2,731,552,007.06      $0.00

 (c) Group Two Allocation                                     $41,826,411.02     $412,220,746.28      $0.00

 (d) Series 1998-7 Allocations                                $17,265,627.34     $170,161,618.34      $0.00

 (e) Class A Allocations                                      $16,402,367.91     $161,653,753.58      $0.00

     Class B Allocations                                         $863,259.43       $8,507,864.76      $0.00
</TABLE>

<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit Investment
                          Due Period       Balance    Amount         Income
     <S>                    <C>           <C>           <C>          <C>
     Series 1998-7           $0.00         $0.00         0.00         $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                 Total Payments
                              Amount Paid      Deficit Amount    Through This
                             This Due Period   This Due Period    Due Period
     <S>                           <C>                <C>               <C>
     Series 1998-7                 $0.00              $0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period         SIFA Balance
     <S>                                   <C>                 <C>
     Series 1998-7                         $4,925,440.67       $25,119,747.41
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
     <S>                                                     <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                 Cumulative
                                                             Investor Charged-Off
                                            This Due Period        Amount
 <S>                                     <C>                       <C>
 (a) Group One                            $96,984,251.15            $0.00

 (b) Group Two                            $14,635,972.62            $0.00

 (c) Series 1998-7                         $6,041,619.23            $0.00

 (d) Class A                               $5,739,545.94            $0.00

     Class B                                 $302,073.29            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                             Per $1,000 of
                                                              Original Invested
                                                   Total          Principal
 <S>                                              <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-7                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>


<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------         Per $1,000 of
                                                           Original Invested
                                                 Total        Principal
 <S>                                              <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-7                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------        Per $1,000 of
                                                            Original Invested
                                                 Total        Principal
 <S>                                              <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-7                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
 <S>                                                     <C>
 (a) Group One                                            $28,162,338.33

 (b) Group Two                                             $4,250,000.00

 (c) Series 1998-7                                         $1,754,386.67

 (d) Class A                                               $1,666,666.67

     Class B                                                  $87,720.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                    <C>                <C>
     Series 1998-7 Class B                   $89,473,720.00     8.9474%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                             Shared Amount      Class B Amount
     <S>                                          <C>          <C>
     Maximum Amount                                $0.00       $42,105,280.00

     Available Amount                              $0.00       $42,105,280.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00                $0.00
</TABLE>

<PAGE>   4

<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding  $26,680,777,126.04

                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding
     <S>              <C>                       <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 -------------------------------

                                        Vice President

<PAGE>   5
                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1998-7 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

    The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of November 12, 1998 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1998-7 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                                   <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                                 $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                   $161,653,753.58

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                             $16,402,367.91

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                               $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                                 $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                   $0.00
</TABLE>


<PAGE>   6


<TABLE>
<S>                                                                                      <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                     $8,507,864.76

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                                $863,259.43

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                             $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                               $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                     $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                               $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                                 $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                   $0.00

14.  Attached hereto is a true copy of the statement required to be
     delivered by the Master Servicer on the date of this Certificate to
     the Trustee pursuant to Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                                as Master Servicer

                           By:
                              ----------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



<PAGE>   1
                                                                   EXHIBIT (X)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1999-1 Monthly Statement
                      Class A Certificate CUSIP #25466KCC1
                      Class B Certificate CUSIP #25466KCD9


Trust Distribution Date: April 15, 1999     Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of February  9, 1999 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1999-1                                  Total       Interest     Principal
         <S>                                    <C>           <C>           <C>
         Class A      30 days at 5.300000000%   $4.416666667  $4.416666667  $0.000000000

         Class B      30 days at 5.550000000%   $4.625000000  $4.625000000  $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $19,318,236,342.63

     Seller Interest                                     $6,980,635,086.38

     Total Master Trust                                 $26,298,871,429.01


 (b) Group One Investor Interest                        $16,768,236,342.63

 (c) Group Two Investor Interest                         $2,550,000,000.00

 (d) Series 1999-1 Investor Interest                       $526,316,000.00

 (e) Class A Investor Interest                             $500,000,000.00

     Class B Investor Interest                              $26,316,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                Finance Charge       Principal        Yield
                                                                 Collections        Collections     Collections
 <S>                                                         <C>                <C>                  <C>
 (a) Allocation of Collections between Investor and Seller

     Aggregate Investor Allocation                            $318,986,204.60   $3,143,772,753.34      $0.00

     Seller                                                   $119,661,882.14   $1,179,329,259.93      $0.00

 (b) Group One Allocation                                     $277,159,793.58   $2,731,552,007.06      $0.00

 (c) Group Two Allocation                                      $41,826,411.02     $412,220,746.28      $0.00

 (d) Series 1999-1 Allocations                                  $8,633,032.99      $85,082,970.72      $0.00

 (e) Class A Allocations                                        $8,201,403.27      $80,829,038.34      $0.00

     Class B Allocations                                          $431,629.72       $4,253,932.38      $0.00
</TABLE>

<PAGE>   2

<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit   Investment
                          Due Period       Balance    Amount           Income
     <S>                    <C>           <C>           <C>            <C>
     Series 1999-1           $0.00         $0.00         0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ---------------------------------------------------------------------

                                                                  Total Payments
                              Amount Paid      Deficit Amount     Through This
                             This Due Period   This Due Period     Due Period
     <S>                           <C>             <C>               <C>
     Series 1999-1                 $0.00            $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     ---------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period     SIFA Balance
     <S>                                   <C>             <C>
     Series 1999-1                         $2,330,044.83    $5,126,098.63
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                           This Due Period
     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                 Cumulative
                                                             Investor Charged-Off
                                          This Due Period          Amount
 <S>                                      <C>                      <C>
 (a) Group One                            $96,984,251.15            $0.00

 (b) Group Two                            $14,635,972.62            $0.00

 (c) Series 1999-1                         $3,020,886.36            $0.00

 (d) Class A                               $2,869,849.72            $0.00

     Class B                                 $151,036.64            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                           Per $1,000 of
                                                              Original Invested
                                                   Total        Principal
 <S>                                              <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------          Per $1,000 of
                                                              Original Invested
                                                   Total        Principal
 <S>                                              <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------         Per $1,000 of
                                                             Original Invested
                                                   Total         Principal
 <S>                                               <C>           <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
 <S>                                                     <C>
 (a) Group One                                            $28,162,338.33

 (b) Group Two                                             $4,250,000.00

 (c) Series 1999-1                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                     <C>                <C>
     Series 1999-1 Class B                   $44,736,860.00     8.9474%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                             Shared Amount  Class B Amount
     <S>                                          <C>     <C>
     Maximum Amount                                $0.00   $21,052,640.00

     Available Amount                              $0.00   $21,052,640.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00            $0.00
</TABLE>



<PAGE>   4


<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding $26,680,777,126.04

                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding
     <S>              <C>                        <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                  -----------------------------

                                        Vice President

<PAGE>   5


                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1999-1 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

    The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of February 9, 1999 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1999-1 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                              <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                          $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                             $80,829,038.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                       $8,201,403.27

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                      $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                        $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                              $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                        $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                          $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                            $0.00
</TABLE>


<PAGE>   6


<TABLE>
<S>                                                                              <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                              $4,253,932.38

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                         $431,629.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                      $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                        $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                              $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                        $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                          $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                            $0.00

14.  Attached hereto is a true copy of the statement required to be delivered by
     the Master Servicer on the date of this Certificate to the Trustee pursuant to
     Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this  15th day of April, 1999.


                           GREENWOOD TRUST COMPANY
                                as Master Servicer

                           By:
                              ----------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



<PAGE>   1
                                                                     EXHIBIT (Y)


                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1999-2 Monthly Statement
                      Class A Certificate CUSIP #25466KCE7
                      Class B Certificate CUSIP #25466KCF4


Trust Distribution Date: April 15, 1999     Due Period Ending:  March 31, 1999

Pursuant to the Series Supplement dated as of March 10, 1999 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, the
Trustee is required to prepare certain information each month regarding current
distributions to Certificateholders and the performances of the Trust.  The
information for the Due Period and the Trust Distribution Date listed above is
set forth below:

<TABLE>
<CAPTION>
1.   Payments for the benefit of Series Investors this Due Period (per $1000 of Class Initial Investor Interest)
     -----------------------------------------------------------------------------------------------------------

     Series  1999-2                                  Total        Interest       Principal
         <S>                                     <C>             <C>            <C>
         Class A      35 days at 5.900000000%    $5.736111111    $5.736111111   $0.000000000

         Class B      35 days at 6.100000000%    $5.930555556    $5.930555556   $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of the Due Period
     --------------------------------------------------
 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $19,318,236,342.63

     Seller Interest                                     $6,980,635,086.38

     Total Master Trust                                 $26,298,871,429.01


 (b) Group One Investor Interest                        $16,768,236,342.63

 (c) Group Two Investor Interest                         $2,550,000,000.00

 (d) Series 1999-2 Investor Interest                       $526,316,000.00

 (e) Class A Investor Interest                             $500,000,000.00

     Class B Investor Interest                              $26,316,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During the Due Period
     ---------------------------------------------------------

                                                                Finance Charge        Principal        Yield
                                                                 Collections         Collections     Collections
 <S>                                                           <C>                 <C>                  <C>
 (a) Allocation of Collections between Investor and Seller

     Aggregate Investor Allocation                             $318,986,204.60     $3,143,772,753.34     $0.00

     Seller                                                    $119,661,882.14     $1,179,329,259.93     $0.00

 (b) Group One Allocation                                      $277,159,793.58     $2,731,552,007.06     $0.00

 (c) Group Two Allocation                                       $41,826,411.02       $412,220,746.28     $0.00

 (d) Series 1999-2 Allocations                                   $8,633,032.99        $85,082,970.72     $0.00

 (e) Class A Allocations                                         $8,201,403.27        $80,829,038.34     $0.00

     Class B Allocations                                           $431,629.72         $4,253,932.38     $0.00
</TABLE>

<PAGE>   2


<TABLE>
<CAPTION>
4.   Information Concerning the Series Principal Funding Accounts ("SPFA")
     ---------------------------------------------------------------------
                         Deposits into the
                          SPFAs This        SPFA    Deposit Deficit Investment
                          Due Period       Balance    Amount         Income
     <S>                     <C>           <C>          <C>           <C>
     Series 1999-2           $0.00         $0.00         0.00         $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                  Total Payments
                               Amount Paid      Deficit Amount     Through This
                             This Due Period   This Due Period     Due Period
     <S>                           <C>                <C>                 <C>
     Series 1999-2                 $0.00              $0.00               $0.00
</TABLE>

<TABLE>
<CAPTION>
6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
     --------------------------------------------------------------------
                                            Deposits Into the
                                              SIFAs This
                                              Due Period     SIFA Balance
     <S>                                   <C>              <C>
     Series 1999-2                         $3,024,124.06    $3,024,124.06
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors
     ------------
                                                            This Due Period
     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------                                  Cumulative
                                                              Investor Charged-Off
                                            This Due Period        Amount
 <S>                                      <C>                       <C>
 (a) Group One                            $96,984,251.15            $0.00

 (b) Group Two                            $14,635,972.62            $0.00

 (c) Series 1999-2                         $3,020,886.36            $0.00

 (d) Class A                               $2,869,849.72            $0.00

     Class B                                 $151,036.64            $0.00
</TABLE>

<TABLE>
<CAPTION>
9.   Investor Losses This Due Period
     -------------------------------                          Per $1,000 of
                                                            Original Invested
                                                 Total         Principal
 <S>                                              <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses This Due Period
     ------------------------------------------------          Per $1,000 of
                                                             Original Invested
                                                    Total        Principal
<S>                                               <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------         Per $1,000 of
                                                            Original Invested
                                                   Total        Principal
 <S>                                               <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee Payable at the end of the Due Period
     -------------------------------------------------------------------
 <S>                                                      <C>
 (a) Group One                                            $28,162,338.33

 (b) Group Two                                             $4,250,000.00

 (c) Series 1999-2                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Due Period
     ----------------------------------------------------------------
                                                             As a Percentage
                                                               of Class A
                                                 Total       Invested Amount
     <S>                                     <C>               <C>
     Series 1999-2 Class B                   $44,736,860.00     8.9474%
</TABLE>

<TABLE>
<CAPTION>
14.  Total Available Credit Enhancement Amounts
     ------------------------------------------

                                              Shared Amount    Class B Amount
     <S>                                          <C>         <C>
     Maximum Amount                                $0.00       $21,052,640.00

     Available Amount                              $0.00       $21,052,640.00

     Amount of Drawings on Credit Enhancement
       for this Due Period                         $0.00                $0.00
</TABLE>

<PAGE>   4

<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------

     End of Due Period Master Trust Receivables Outstanding  $26,680,777,126.04

                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding
     <S>             <C>                        <C>
     30-59 days         $648,154,953.36          2.43%

     60-179 days      $1,159,113,400.71          4.34%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee


                              BY:
                                 ------------------------------

                                        Vice President

<PAGE>   5


                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1999-2 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of March 10, 1999 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1999-2 Master Trust Certificates for the Distribution Date
occurring on April 15, 1999:

<TABLE>
<S>                                                                               <C>
 1.  Greenwood is Master Servicer under the Pooling and Servicing Agreement.

 2.  The undersigned is a Servicing Officer of Greenwood as Master Servicer.

 3.  The aggregate amount of Collections processed during the related Due
     Period is equal to                                                              $4,761,750,100.14

 4.  The aggregate amount of Class A Principal Collections processed during
     the related Due Period is equal to                                                 $80,829,038.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during the related Due Period is equal to                                           $8,201,403.27

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                          $0.00

 6b. The aggregate amount of Class A Additional Funds for this Distribution
     date is equal to                                                                            $0.00

 7.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class A Required Amount Shortfall                                  $0.00
          is equal to

     (b)  with respect to the Class A Cumulative Investor Charged-Off                            $0.00
          Amount is equal to

     (c)  with respect to the Class A Investor Interest is equal to                              $0.00

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                $0.00
</TABLE>


<PAGE>   6



<TABLE>
<S>                                                                               <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     the related Due Period is equal to                                                  $4,253,932.38

10.  The aggregate amount of Class B Finance Charge Collections processed
     during the related Due Period is equal to                                             $431,629.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during the related Due Period is equal to                          $0.00

11b. The aggregate amount of Class B Additional Funds for this Distribution
     date is equal to                                                                            $0.00

12.  The amount of drawings under the Credit Enhancement required to be
     made on the related Drawing Date pursuant to the Series Supplement:

     (a)  with respect to the Class B Required Amount Shortfall                                  $0.00
          is equal to

     (b)  with respect to the Class B Cumulative Investor Charged-Off                            $0.00
          Amount is equal to

     (c)  with respect to the Class B Investor Interest is equal to                              $0.00

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                $0.00

14.  Attached hereto is a true copy of the statement required to be
     delivered by the Master Servicer on the date of this Certificate to
     the Trustee pursuant to Section 16 of the Series Supplement.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this  15th day of April, 1999.



                           GREENWOOD TRUST COMPANY
                                as Master Servicer

                           By:
                              --------------------------------
                           Vice President, Chief Accounting Officer,
                           and Treasurer



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