DISCOVER CARD MASTER TRUST I
8-K, 1998-06-15
ASSET-BACKED SECURITIES
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<PAGE>   1
                                                                 CONFORMED COPY

                       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): June 15, 1998



                          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 134
                         Index to Exhibits is on page 7

<PAGE>   2

Item 5.  Other Events

A) Series 1993-1:
On June 15, 1998 the Registrant made available the Monthly Certificateholders'
Statement for the May 1998 Due Period with respect to Series 1993-1, which is
attached as Exhibit 20(a) hereto.

B) Series 1993-2:
On June 15, 1998 the Registrant made available the Monthly Certificateholders'
Statement for the May 1998 Due Period with respect to Series 1993-2, which is
attached as Exhibit 20(b) hereto.

C) Series 1993-3:
On June 15, 1998 the Registrant made available the Monthly Certificateholders'
Statement for the May 1998 Due Period with respect to Series 1993-3, which is
attached as Exhibit 20(c) hereto.

D) Series 1994-2:
On June 15, 1998 the Registrant made available the Monthly Certificateholders'
Statement for the May 1998 Due Period with respect to Series 1994-2, which is
attached as Exhibit 20(d) hereto.

E) Series 1994-3:
On June 15, 1998 the Registrant made available the Monthly Certificateholders'
Statement for the May 1998 Due Period with respect to Series 1994-3, which is
attached as Exhibit 20(e) hereto.

F) Series 1994-A:
On June 15, 1998 the Registrant made available the Monthly Certificateholders'
Statement for the May 1998 Due Period with respect to Series 1994-A, which is
attached as Exhibit 20(f) hereto.

G) Series 1995-1:
On June 15, 1998 the Registrant made available the Monthly Certificateholders'
Statement for the May 1998 Due Period with respect to Series 1995-1, which is
attached as Exhibit 20(g) hereto.

H) Series 1995-2:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1995-2, which is
attached as Exhibit 20(h) hereto.

I) Series 1995-3:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1995-3, which is
attached as Exhibit 20(i) hereto.

J) Series 1996-1:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1996-1, which is
attached as Exhibit 20(j) hereto.

K) Series 1996-2:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1996-2, which is
attached as Exhibit 20(k) hereto.


                                       2
<PAGE>   3

L) Series 1996-3:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1996-3, which is
attached as Exhibit 20(l) hereto.

M) Series 1996-4:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1996-4, which is
attached as Exhibit 20(m) hereto.

N) Series 1997-1:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1997-1, which is
attached as Exhibit 20(n) hereto.

O) Series 1997-2:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1997-2, which is
attached as Exhibit 20(o) hereto.

P) Series 1997-3:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1997-3, which is
attached as Exhibit 20(p) hereto.

Q) Series 1997-4:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1997-4, which is
attached as Exhibit 20(q) hereto.

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

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

T) Series 1998-3:
On June 15, 1998 the Registrant made available the Monthly Certificateholders
Statement for the May 1998 Due Period with respect to Series 1998-3, which is
attached as Exhibit 20(t) hereto.

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


                                       3
<PAGE>   4

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 May 31, 1998, for Series 1993-1.

20(b)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1993-2.

20(c)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1993-3.

20(d)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1994-2.

20(e)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1994-3.

20(f)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1994-A.

20(g)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1995-1.

20(h)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1995-2.

20(i)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1995-3.

20(j)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1996-1.

20(k)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1996-2.

20(l)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1996-3.

20(m)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1996-4.

20(n)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1997-1.
</TABLE>


                                       4
<PAGE>   5

<TABLE>
<CAPTION>
Exhibit No.     Description
- -----------     -----------
<S>             <C>  

20(o)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1997-2.

20(p)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1997-3.

20(q)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1997-4.

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

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

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

20(u)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1998-4.
</TABLE>


                                       5
<PAGE>   6

                                   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, Director of
                                                Accounting and Treasurer


Date: June 15, 1998


                                       6
<PAGE>   7

                                  EXHIBIT INDEX
<TABLE>
<CAPTION>
Exhibit No.    Description
- -----------    -----------
<S>            <C>  
20(a)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1993-1.

20(b)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1993-2.

20(c)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1993-3.

20(d)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1994-2.

20(e)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1994-3.

20(f)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1994-A.

20(g)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1995-1.

20(h)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1995-2.

20(i)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1995-3.

20(j)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1996-1.

20(k)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1996-2.

20(l)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1996-3.

20(m)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1996-4.

20(n)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1997-1.

20(o)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1997-2.
</TABLE>


                                       7
<PAGE>   8

<TABLE>
<CAPTION>
Exhibit No.    Description
- -----------    -----------
<S>            <C>  

20(p)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1997-3.

20(q)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1997-4.

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

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

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

20(u)          Monthly Certificateholders' Statement, related to the Due Period
               ending May 31, 1998, for Series 1998-4.
</TABLE>

                                       8



<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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1993-1                                Total           Interest       Principal
<S>                       <C>                       <C>              <C>             <C>          
             Class A      31 days at 5.926250000%   $88.011229745    $4.677896412    $83.333333333

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

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

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

      (d) Series 1993-1 Investor Interest                   $   672,873,000.00

      (e) Class A Investor Interest                         $   625,000,000.00

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

3.      Allocation of Receivables Collected During the Due Period

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

    Aggregate Investor Allocation                             $294,123,203.14        $2,129,318,580.97      $0.00

    Seller:                                                   $ 46,060,931.87        $  333,460,254.30      $0.00

(b) Group One Allocation                                      $251,021,873.23        $1,817,284,502.55      $0.00

(c) Group Two Allocation                                      $ 43,101,329.91        $  312,034,078.42      $0.00

(d) Series 1993-1 Allocations                                 $ 12,450,739.33        $   90,137,705.37      $0.00

(e) Class A Allocations                                       $ 11,634,297.41        $   84,227,036.17      $0.00

    Class B Allocations                                       $    816,441.92        $    5,910,669.20      $0.00
</TABLE>

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

<TABLE>
<CAPTION>
                              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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                    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        $125,000,000.00
</TABLE>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                             Deposits Into the
                                                SIFAs This
                                                Due Period          SIFA Balance
<S>                                          <C>                    <C>  
          Series 1993-1                        $3,719,861.39            $0.00
</TABLE>

7.      Pool Factors 

<TABLE>
<CAPTION>
                                                               This Due Period
<S>                                                            <C>       
          Class A                                                0.83333333

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                 Investor Charged-Off
                                              This Due Period           Amount
<S>                                          <C>                 <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1993-1                      $  5,319,586.39            $0.00

      (d) Class A                            $  4,970,761.05            $0.00

          Class B                            $    348,825.34            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                   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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (b) Group Two                                           $ 4,250,000.00

      (c) Series 1993-1                                       $ 1,225,621.66

      (d) Class A                                             $ 1,145,833.33

          Class B                                             $    79,788.33
</TABLE>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                    Total       Invested Amount
<S>                                            <C>              <C>     
          Series 1993-1 Class B                $63,829,840.00       10.2128%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                     Shared Amount    Class B Amount
<S>                                                  <C>              <C>           
          Maximum Amount                             $16,821,825.00   $15,957,460.00

          Available Amount                           $16,821,825.00   $15,957,460.00

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


<PAGE>   4

15.     Delinquency Summary

<TABLE>
<S>                                                              <C>               
        End of Due Period Master Trust Receivables Outstanding   $20,416,422,482.04
</TABLE>


<TABLE>
<CAPTION>
                            Delinquent Amount   Percentage of Ending
          Payment Status    Ending Balance      Receivables Outstanding
<S>                         <C>                 <C>  
          30-59 days        $554,513,215.19          2.72%

          60-179 days       $932,105,840.72          4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $84,227,036.17

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $11,634,297.41

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 is equal
                to                                                         $0.00

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

        (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                     $66,008,422.31

<PAGE>   6
9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $5,910,669.20

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $816,441.92

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 is equal
                to                                                         $0.00

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

        (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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1993-2                                  Total         Interest         Principal
<S>                                                  <C>              <C>             <C>          
             Class A      30 days at 5.400000000%    $87.833333338    $4.500000000    $83.333333338

             Class B      30 days at 5.750000000%    $ 4.791666667    $4.791666667    $ 0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

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

      (d) Series 1993-2 Investor Interest                   $   766,667,333.33

      (e) Class A Investor Interest                         $   733,333,333.33

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

3.      Allocation of Receivables Collected During the Due Period

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

          Aggregate Investor Allocation.                            $294,123,203.14    $2,129,318,580.97     $0.00

          Seller:                                                   $ 46,060,931.87    $  333,460,254.30     $0.00

      (b) Group One Allocation                                      $251,021,873.23    $1,817,284,502.55     $0.00

      (c) Group Two Allocation                                      $ 43,101,329.91    $  312,034,078.42     $0.00

      (d) Series 1993-2 Allocations                                 $ 14,083,623.19    $  101,959,043.78     $0.00

      (e) Class A Allocations                                       $ 13,505,310.16    $   97,772,319.76     $0.00

          Class B Allocations                                       $    578,313.03    $    4,186,724.02     $0.00
</TABLE>


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

<TABLE>
<CAPTION>
                                         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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                     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         $66,666,666.67
</TABLE>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                             Deposits Into the
                                                 SIFAs This
                                                 Due Period        SIFA Balance
<S>                                          <C>                   <C>  
          Series 1993-2                        $3,759,725.42            $0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                              This Due Period
<S>                                                           <C>       
          Class A                                                0.91666667

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                 Investor Charged-Off
                                             This Due Period            Amount
<S>                                          <C>                 <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1993-2                      $  6,017,237.06            $0.00

      (d) Class A                            $  5,770,152.45            $0.00

          Class B                            $    247,084.61            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                 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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                 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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (b) Group Two                                           $ 4,250,000.00

      (c) Series 1993-2                                       $ 1,388,890.00

      (d) Class A                                             $ 1,333,333.33

          Class B                                             $    55,556.67
</TABLE>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                   Total         Invested Amount
<S>                                            <C>               <C>    
          Series 1993-2 Class B                $50,000,040.00        6.8182%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                       Shared Amount      Class B Amount
<S>                                                   <C>                 <C>          
          Maximum Amount                              $19,166,683.00      $8,333,340.00

          Available Amount                            $19,166,683.00      $8,333,340.00

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



<PAGE>   4

15.     Delinquency Summary

<TABLE>
<S>                                                               <C>               
        End of Due Period Master Trust Receivables Outstanding    $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                              Delinquent Amount    Percentage of Ending
          Payment Status      Ending Balance       Receivables Outstanding
<S>                           <C>                  <C>  
          30-59 days           $554,513,215.19             2.72%

          60-179 days          $932,105,840.72             4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $97,772,319.76

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $13,505,310.16

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 is equal
                to                                                         $0.00

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

        (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                     $70,266,666.67


<PAGE>   6
9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $4,186,724.02

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $578,313.03

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 is equal
                to                                                         $0.00

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

        (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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          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>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

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

          Aggregate Investor Allocation.                              $294,123,203.14    $2,129,318,580.97    $0.00

          Seller:                                                     $ 46,060,931.87    $  333,460,254.30    $0.00

      (b) Group One Allocation                                        $251,021,873.23    $1,817,284,502.55    $0.00

      (c) Group Two Allocation                                        $ 43,101,329.91    $  312,034,078.42    $0.00

      (d) Series 1993-3 Allocations                                   $  6,191,351.25    $   44,822,574.80    $0.00

      (e) Class A Allocations                                         $  5,919,203.95    $   42,852,351.73    $0.00

          Class B Allocations                                         $    272,147.30    $    1,970,223.07    $0.00
</TABLE>


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

<TABLE>
<CAPTION>
                            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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                         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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

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

7.      Pool Factors

<TABLE>
<CAPTION>
                                                               This Due Period
<S>                                                            <C>
          Class A                                                1.00000000

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                     Cumulative
                                                                 Investor Charged-Off
                                             This Due Period            Amount
<S>                                          <C>                 <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1993-3                      $  2,645,258.80            $0.00

      (d) Class A                            $  2,528,983.69            $0.00

          Class B                            $    116,275.11            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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 1993-3                                $0.00          $0.00

      (d) Class A                                      $0.00          $0.00

          Class B                                      $0.00          $0.00
</TABLE>

<PAGE>   3
10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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 1993-3                                $0.00          $0.00

      (d) Class A                                      $0.00          $0.00

          Class B                                      $0.00          $0.00
</TABLE>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                  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 1993-3                                $0.00          $0.00

      (d) Class A                                      $0.00          $0.00

          Class B                                      $0.00          $0.00
</TABLE>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>
      (a) Group One                                           $24,750,236.10

      (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
</TABLE>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                     Total       Invested Amount
<S>                                            <C>               <C>
          Series 1993-3 Class B                $23,822,045.00        6.8063%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                      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

15.     Delinquency Summary

<TABLE>
<S>                                                               <C>               
        End of Due Period Master Trust Receivables Outstanding    $20,416,422,482.04
</TABLE>


<TABLE>
<CAPTION>
                               Delinquent Amount   Percentage of Ending
          Payment Status       Ending Balance      Receivables Outstanding
<S>                            <C>                 <C>  
          30-59 days           $554,513,215.19            2.72%

          60-179 days          $932,105,840.72            4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $42,852,351.73

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                  $5,919,203.95

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 is equal
                to                                                         $0.00

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

        (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


<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $1,970,223.07

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $272,147.30

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 is equal
                to                                                         $0.00

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

        (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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1994-2                               Total          Interest      Principal
<S>                       <C>                      <C>             <C>             <C>         
             Class A      31 days at 6.006250000%  $5.172048611    $5.172048611    $0.000000000

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

     2.   Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

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

          Aggregate Investor Allocation.                             $294,123,203.14    $2,129,318,580.97       $0.00

          Seller:                                                    $ 46,060,931.87    $  333,460,254.30       $0.00

      (b) Group One Allocation                                       $251,021,873.23    $1,817,284,502.55       $0.00

      (c) Group Two Allocation                                       $ 43,101,329.91    $  312,034,078.42       $0.00

      (d) Series 1994-2 Allocations                                  $ 15,104,175.59    $  109,347,380.29       $0.00

      (e) Class A Allocations                                        $ 14,355,770.50    $  103,929,266.85       $0.00

          Class B Allocations                                        $    748,405.09    $    5,418,113.44       $0.00
</TABLE>


<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                           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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                         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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                              Deposits Into the
                                                 SIFAs This
                                                 Due Period         SIFA Balance
<S>                                           <C>                   <C>  
          Series 1994-2                        $4,696,352.03            $0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                               This Due Period
<S>                                                            <C>       
          Class A                                                1.00000000

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                 Investor Charged-Off
                                             This Due Period            Amount
<S>                                          <C>                 <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1994-2                      $  6,453,268.74            $0.00

      (d) Class A                            $  6,133,512.18            $0.00

          Class B                            $    319,756.56            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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 1994-2                                $0.00          $0.00

      (d) Class A                                      $0.00          $0.00

          Class B                                      $0.00          $0.00
</TABLE>



<PAGE>   3

10.     Reimbursement of Investor Losses This Due Period


<TABLE>
<CAPTION>
                                                                  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 1994-2                                $0.00          $0.00

      (d) Class A                                      $0.00          $0.00

          Class B                                      $0.00          $0.00
</TABLE>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                   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 1994-2                                $0.00          $0.00

      (d) Class A                                      $0.00          $0.00

          Class B                                      $0.00          $0.00
</TABLE>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                     Total       Invested Amount
<S>                                            <C>               <C>
          Series 1994-2 Class B                $89,473,700.00       10.5263%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                      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

15.     Delinquency Summary

<TABLE>
<S>                                                               <C>               
        End of Due Period Master Trust Receivables Outstanding    $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                              Delinquent Amount    Percentage of Ending
          Payment Status      Ending Balance       Receivables Outstanding
<S>                           <C>                  <C>  
          30-59 days           $554,513,215.19            2.72%

          60-179 days          $932,105,840.72            4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                       $103,929,266.85

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $14,355,770.50

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 is equal
                to                                                         $0.00

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

        (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                      $4,396,241.32



<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $5,418,113.44

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $748,405.09

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 is equal
                to                                                         $0.00

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

        (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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1994-3                                Total         Interest        Principal
<S>                       <C>                       <C>            <C>              <C>         
             Class A      31 days at 5.846250000%   $5.034270833   $5.034270833     $0.000000000

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

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                    $2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

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

          Aggregate Investor Allocation.                             $294,123,203.14     $2,129,318,580.97      $0.00

          Seller:                                                    $ 46,060,931.87     $  333,460,254.30      $0.00

      (b) Group One Allocation                                       $251,021,873.23     $1,817,284,502.55      $0.00

      (c) Group Two Allocation                                       $ 43,101,329.91     $  312,034,078.42      $0.00

      (d) Series 1994-3 Allocations                                  $ 13,369,236.51     $   96,787,208.23      $0.00

      (e) Class A Allocations                                        $ 12,688,868.24     $   91,861,650.56      $0.00

          Class B Allocations                                        $    680,368.27     $    4,925,557.67      $0.00
</TABLE>


<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                            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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                      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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                             Deposits Into the
                                               SIFAs This
                                               Due Period           SIFA Balance
<S>                                          <C>                    <C>  
          Series 1994-3                        $4,030,639.38            $0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                               This Due Period
<S>                                                            <C>       
          Class A                                                1.00000000

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                 Investor Charged-Off
                                            This Due Period             Amount
<S>                                         <C>                  <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1994-3                      $  5,712,014.90            $0.00

      (d) Class A                            $  5,421,327.12            $0.00

          Class B                            $    290,687.78            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                 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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                     Total       Invested Amount
<S>                                            <C>               <C>     
          Series 1994-3 Class B                $83,131,612.20       11.0842%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                   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

15.     Delinquency Summary


<TABLE>
<S>                                                              <C>               
        End of Due Period Master Trust Receivables Outstanding   $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                              Delinquent Amount    Percentage of Ending
          Payment Status      Ending Balance       Receivables Outstanding
<S>                           <C>                  <C>  
          30-59 days           $554,513,215.19             2.72%

          60-179 days          $932,105,840.72             4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $91,861,650.56

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $12,688,868.24

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 is equal
                to                                                         $0.00

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

        (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                      $3,775,703.13



<PAGE>   6
9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $4,925,557.67

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $680,368.27

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 is equal
                to                                                         $0.00

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

        (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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                 as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               and Treasurer



<PAGE>   1
                                                                     EXHIBIT (F)


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


Trust Distribution Date: June 15, 1998        Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1994-A                                   Total         Interest      Principal
<S>                       <C>                          <C>            <C>            <C>         
             Class A      30 days at 5.899497080%      $4.916247567   $4.916247567   $0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                    $2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

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

          Aggregate Investor Allocation.                               $294,123,203.14     $2,129,318,580.97     $0.00

          Seller:                                                      $ 46,060,931.87     $  333,460,254.30     $0.00

      (b) Group One Allocation                                         $251,021,873.23     $1,817,284,502.55     $0.00

      (c) Group Two Allocation                                         $ 43,101,329.91     $  312,034,078.42     $0.00

      (d) Series 1994-A Allocations                                    $ 43,101,329.91     $  312,034,078.42     $0.00

      (e) Class A Allocations                                          $ 43,101,329.91     $  312,034,078.42     $0.00

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


<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

                    Deposits into the SPFAs

<TABLE>
<CAPTION>
                                This Due      Total     Deposit Deficit    Investment
                                 Period      Deposits       Amount           Income
<S>                              <C>         <C>        <C>                 <C>  
          Series 1994-A          $0.00         $0.00         0.00            $0.00
</TABLE>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                     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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                            Deposits Into the
                                               SIFAs This
                                               Due Period            SIFA Balance
<S>                                          <C>                     <C>  
          Series 1994-A                       $12,536,431.30            $0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                               This Due Period
<S>                                                            <C>       
          Class A                                                1.00000000

          Class B                                                0.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                     Cumulative
                                                                      Investor
                                                                     Charged-Off
                                             This Due Period            Amount
<S>                                          <C>                     <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                           $18,415,070.92            $0.00

      (c) Series 1994-A                       $18,415,070.92            $0.00

      (d) Class A                             $18,415,070.92            $0.00

          Class B                                      $0.00            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                  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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                     As a Percentage
                                                                        of Class A
                                                          Total       Invested Amount
<S>                                                       <C>        <C>    
          Series 1994-A Class B                           $0.00           0.0000%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                      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

15.     Delinquency Summary

<TABLE>
<S>                                                               <C>               
        End of Due Period Master Trust Receivables Outstanding    $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                                Delinquent Amount   Percentage of Ending
          Payment Status        Ending Balance      Receivables Outstanding
<S>                             <C>                 <C>  
          30-59 days            $554,513,215.19          2.72%

          60-179 days           $932,105,840.72          4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                       $312,034,078.42

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $43,101,329.91

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 sum of all amounts payable to the Class A Certificateholders on the
        current Distribution Date is equal to                     $12,536,431.30

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 is equal
                to                                                         $0.00

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

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



<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 June, 1998.



                               GREENWOOD TRUST COMPANY
                                 as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1995-1                                 Total          Interest         Principal
<S>                       <C>                        <C>              <C>              <C>         
             Class A      31 days at 5.936250000%    $5.111770833     $5.111770833     $0.000000000

             Class B      31 days at 6.106250000%    $5.258159722     $5.258159722     $0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                    $2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

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

          Aggregate Investor Allocation.                               $294,123,203.14     $2,129,318,580.97     $0.00

          Seller:                                                      $ 46,060,931.87     $  333,460,254.30     $0.00

      (b) Group One Allocation                                         $251,021,873.23     $1,817,284,502.55     $0.00

      (c) Group Two Allocation                                         $ 43,101,329.91     $  312,034,078.42     $0.00

      (d) Series 1995-1 Allocations                                    $ 10,681,781.84     $   77,331,255.43     $0.00

      (e) Class A Allocations                                          $ 10,137,487.22     $   73,390,809.29     $0.00

          Class B Allocations                                          $    544,294.62     $    3,940,446.14     $0.00
</TABLE>


<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                           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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                         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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                            Deposits Into the
                                               SIFAs This
                                               Due Period           SIFA Balance
<S>                                         <C>                      <C>  
          Series 1995-1                        $3,233,109.93            $0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                              This Due Period
<S>                                                           <C>       
          Class A                                                1.00000000

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                 Investor Charged-Off
                                             This Due Period            Amount
<S>                                          <C>                 <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                           $18,415,070.92            $0.00

      (c) Series 1995-1                        $4,563,798.16            $0.00

      (d) Class A                              $4,331,247.94            $0.00

          Class B                                $232,550.22            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                  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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                    Total       Invested Amount
<S>                                            <C>              <C>     
          Series 1995-1 Class B                $69,473,690.00       11.5789%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                  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

15.     Delinquency Summary

<TABLE>
<S>                                                               <C>               
        End of Due Period Master Trust Receivables Outstanding    $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                                Delinquent Amount   Percentage of Ending
          Payment Status        Ending Balance      Receivables Outstanding
<S>                             <C>                 <C>  
          30-59 days            $554,513,215.19          2.72%

          60-179 days           $932,105,840.72          4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $73,390,809.29

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $10,137,487.22

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 is equal
                to                                                         $0.00

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

        (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                      $3,067,062.50


<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $3,940,446.14

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $544,294.62

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 is equal
                to                                                         $0.00

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

        (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                        $166,047.43

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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1995-2                                Total         Interest      Principal
<S>                       <C>                       <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>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                    $2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

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

          Aggregate Investor Allocation.                             $294,123,203.14    $2,129,318,580.97     $0.00

          Seller:                                                    $ 46,060,931.87    $  333,460,254.30     $0.00

      (b) Group One Allocation                                       $251,021,873.23    $1,817,284,502.55     $0.00

      (c) Group Two Allocation                                       $ 43,101,329.91    $  312,034,078.42     $0.00

      (d) Series 1995-2 Allocations                                  $  8,878,805.93    $   64,278,527.60     $0.00

      (e) Class A Allocations                                        $  8,436,566.55    $   61,076,915.11     $0.00

          Class B Allocations                                        $    442,239.38    $    3,201,612.49     $0.00
</TABLE>



<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                            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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                    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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                              Deposits Into the
                                                 SIFAs This
                                                 Due Period       SIFA Balance
<S>                                           <C>                <C>
          Series 1995-2                        $2,877,194.17     $11,508,776.68
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                               This Due Period
<S>                                                            <C>       
          Class A                                                1.00000000

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                Investor Charged-Off
                                             This Due Period            Amount
<S>                                          <C>                <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                           $18,415,070.92            $0.00

      (c) Series 1995-2                        $3,793,475.54            $0.00

      (d) Class A                              $3,604,528.48            $0.00

          Class B                                $188,947.06            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                   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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                     Total       Invested Amount
<S>                                            <C>               <C>    
          Series 1995-2 Class B                $34,210,540.00        6.8421%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                     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

15.     Delinquency Summary

<TABLE>
<S>                                                               <C>               
        End of Due Period Master Trust Receivables Outstanding    $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                                Delinquent Amount   Percentage of Ending
          Payment Status        Ending Balance      Receivables Outstanding
<S>                             <C>                 <C>  
          30-59 days            $554,513,215.19            2.72%

          60-179 days           $932,105,840.72            4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $61,076,915.11

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                  $8,436,566.55

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 is equal
                to                                                         $0.00

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

        (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



<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $3,201,612.49

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $442,239.38

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 is equal
                to                                                         $0.00

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

        (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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998           Due Period Ending: May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1995-3                               Total           Interest        Principal
<S>                       <C>                       <C>              <C>              <C>
             Class A      31 days at 5.866250000%   $5.051493056     $5.051493056     $0.000000000

             Class B      31 days at 5.986250000%   $5.154826389     $5.154826389     $0.000000000
</TABLE>
2.      Principal Receivables at the end of the Due Period
                                                          ---------   ----------


<TABLE>
<S>                                                        <C>  
      (a) Aggregate Investor Interest                      $17,270,975,009.33
          Seller Interest                                  $ 2,843,199,440.26

          Total Master Trust                               $20,114,174,449.59
 

      (b) Group One Investor Interest                      $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

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

            Aggregate Investor Allocation           $294,123,203.14     $2,129,318,580.97         $0.00
                                                  
            Seller:                                 $ 46,060,931.87     $  333,460,254.30         $0.00
                                                  
        (b) Group One Allocation                    $251,021,873.23     $1,817,284,502.55         $0.00
                                                  
        (c) Group Two Allocation                    $ 43,101,329.91     $  312,034,078.42         $0.00
                                                  
        (d) Series 1995-3 Allocations               $  8,878,805.93     $  64,278,527.60          $0.00
                                                  
        (e) Class A Allocations                     $  8,436,566.55     $  61,076,915.11          $0.00
                                                  
            Class B Allocations                     $    442,239.38     $3,201,612.49             $0.00
</TABLE>

<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>

                              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>


5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                         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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
                                   Deposits Into the
                                       SIFAs This
                                       Due Period              SIFA Balance
<S>                                <C>                         <C> 
        Series 1995-3                  $2,661,400.94               $0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                                 This Due Period
<S>                                                              <C>       
          Class A                                                1.00000000

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

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

<S>                                          <C>                 <C> 
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1995-3                      $  3,793,475.54            $0.00

      (d) Class A                            $  3,604,528.48            $0.00

          Class B                            $    188,947.06            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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
10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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>

     11.  Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                    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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>

<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

13.     Class Available Subordinated Amount at the end of the Due Period 

<TABLE>
<CAPTION>

                                                                  As a Percentage
                                                                    of Class A
                                                     Total        Invested Amount

<S>                                            <C>                <C>     
          Series 1995-3 Class B                $57,894,760.00       11.5790%

</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
                                                       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

15.     Delinquency Summary
<TABLE>
<S>                                                                   <C>               
        End of Due Period Master Trust Receivables Outstanding        $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>

                                Delinquent Amount     Percentage of Ending
        Payment Status          Ending Balance        Receivables Outstanding
<S>                             <C>                   <C>   
        30-59 days              $554,513,215.19          2.72%

        60-179 days             $932,105,840.72          4.57%

</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $61,076,915.11

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                  $8,436,566.55

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
                Amount is equal to                                         $0.00

        (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                      $2,525,746.53


<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $3,201,612.49

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $442,239.38

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 is
                equal to                                                   $0.00

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

        (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                        $135,654.41

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.

          IN WITNESS WHEREOF, the undersigned has duly executed and delivered
     certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998           Due Period Ending: May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1996-1                              Total          Interest      Principal
<S>                       <C>                      <C>             <C>             <C>  
             Class A      31 days at 5.826250000%  $5.017048611    $5.017048611    $0.000000000

             Class B      31 days at 5.956250000%  $5.128993056    $5.128993056    $0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

<TABLE>
<CAPTION>

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

            Aggregate Investor Allocation                       $294,123,203.14        $2,129,318,580.97          $0.00
                                                      
            Seller:                                             $ 46,060,931.87        $  333,460,254.30          $0.00
                                                      
        (b) Group One Allocation                                $251,021,873.23        $1,817,284,502.55          $0.00
                                                      
        (c) Group Two Allocation                                $ 43,101,329.91        $  312,034,078.42          $0.00
                                                      
        (d) Series 1996-1 Allocations                           $ 17,791,630.26        $  128,803,333.08          $0.00
                                                      
        (e) Class A Allocations                                 $ 16,907,151.51        $  122,400,108.11          $0.00
                                                      
            Class B Allocations                                 $    884,478.75        $    6,403,224.97          $0.00
</TABLE>                                     


<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

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

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

<TABLE>
<CAPTION>
                                                Deposits Into the
                                                  SIFAs This
                                                  Due Period          SIFA Balance

<S>                                            <C>                    <C>  
          Series 1996-1                        $5,286,997.77              $0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>

                                                                 This Due Period
<S>                                                              <C>       
          Class A                                                1.00000000

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

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

<S>                                        <C>                    <C>  
        (a) Group One                      $107,249,256.78            $0.00

        (b) Group Two                      $ 18,415,070.92            $0.00

        (c) Series 1996-1                  $  7,601,485.48            $0.00

        (d) Class A                        $  7,223,591.36            $0.00

            Class B                        $    377,894.12            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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>

     11.  Aggregate Amount of Unreimbursed Investor Losses 

<TABLE>
<CAPTION>
                                                                    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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>

<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                As a Percentage
                                                                  of Class A
                                                  Total         Invested Amount

<S>                                           <C>               <C>        
          Series 1996-1 Class B               $105,263,200.00       10.5263%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                          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

     15.  Delinquency Summary

<TABLE>
<S>                                                                   <C>               
          End of Due Period Master Trust Receivables Outstanding      $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                              Delinquent Amount Percentage of Ending
          Payment Status      Ending Balance    Receivables Outstanding
<S>                         <C>                 <C>  
          30-59 days        $554,513,215.19          2.72%

          60-179 days       $932,105,840.72          4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                       $122,400,108.11

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $16,907,151.51

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 is equal
                to                                                         $0.00

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

        (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                      $5,017,048.61


<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $6,403,224.97

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $884,478.75

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 is equal
                to                                                         $0.00

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

        (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                        $269,949.16

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.

          IN WITNESS WHEREOF, the undersigned has duly executed and delivered
     certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998     Due Period Ending:  May 31, 1998

     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:

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

<TABLE>
<CAPTION>
          Series  1996-2                           Total         Interest       Principal
<S>                       <C>                      <C>           <C>            <C>      
             Class A      31 days at 5.876250000%  $5.060104167  $5.060104167   $0.000000000

             Class B      31 days at 6.016250000%  $5.180659722  $5.180659722   $0.000000000
</TABLE>

     2.   Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

     3.   Allocation of Receivables Collected During the Due Period

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

          Aggregate Investor Allocation.                              $294,123,203.14     $2,129,318,580.97             $0.00

          Seller:                                                     $ 46,060,931.87     $  333,460,254.30             $0.00

      (b) Group One Allocation                                        $251,021,873.23     $1,817,284,502.55             $0.00

      (c) Group Two Allocation                                        $ 43,101,329.91     $  312,034,078.42             $0.00

      (d) Series 1996-2 Allocations                                   $ 16,022,672.75     $  115,996,883.14             $0.00

      (e) Class A Allocations                                         $ 15,206,230.83     $  110,086,213.94             $0.00

          Class B Allocations                                         $    816,441.92     $    5,910,669.20             $0.00
</TABLE>


<PAGE>   2

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

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

     6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
<TABLE>
<CAPTION>
                                             Deposits Into the
                                                SIFAs This
                                                Due Period            SIFA Balance
<S>                                          <C>                      <C>  
          Series 1996-2                        $4,799,496.42            $0.00
</TABLE>

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

          Class B                                                1.00000000
</TABLE>

     8.   Investor Charged-Off Amount
<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                 Investor Charged-Off
                                             This Due Period           Amount
<S>                                          <C>                 <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1996-2                      $  6,845,697.24            $0.00

      (d) Class A                            $  6,496,871.90            $0.00

          Class B                            $    348,825.34            $0.00
</TABLE>

     9.   Investor Losses This Due Period
<TABLE>
<CAPTION>
                                                                   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

     10.  Reimbursement of Investor Losses This Due Period
<TABLE>
<CAPTION>
                                                                  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>

     11.  Aggregate Amount of Unreimbursed Investor Losses
<TABLE>
<CAPTION>
                                                                   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>

     12.  Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

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

     14.  Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                  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

     15.  Delinquency Summary

<TABLE>
<S>                                                                   <C>               
          End of Due Period Master Trust Receivables Outstanding      $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                              Delinquent Amount   Percentage of Ending
          Payment Status      Ending Balance      Receivables Outstanding
<S>                           <C>                 <C>  
          30-59 days          $554,513,215.19          2.72%

          60-179 days         $932,105,840.72          4.57%
</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 June 15, 1998:

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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                       $110,086,213.94

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $15,206,230.83

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 is
                equal to                                                   $0.00

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

        (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                      $4,554,093.75

<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $5,910,669.20

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $816,441.92

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 is
                equal to                                                    0.00

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

        (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 $245,402.67

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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                                 GREENWOOD TRUST COMPANY
                                    as Master Servicer

                                 By:___________________________________
                                 Vice President, Director of Accounting,
                                 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: June 15, 1998           Due Period Ending: May 31, 1998

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:

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

   Series  1996-3                                  Total          Interest         Principal

<S>                <C>                         <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>

2. Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                           <C>               
   (a) Aggregate Investor Interest                            $17,270,975,009.33
       Seller Interest                                        $ 2,843,199,440.26

       Total Master Trust                                     $20,114,174,449.59


   (b) Group One Investor Interest                            $14,720,975,009.33

   (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>

3. Allocation of Receivables Collected During the Due Period

<TABLE>
<CAPTION>

                                                        Finance Charge                 Principal                 Yield
                                                          Collections                 Collections             Collections
<S>                                                     <C>                          <C>                      <C>  

   (a) Allocation of Collections between 
         Investor and Seller

       Aggregate Investor Allocation                    $294,123,203.14              $2,129,318,580.97            $0.00

       Seller:                                          $ 46,060,931.87              $  333,460,254.30            $0.00

   (b) Group One Allocation                             $251,021,873.23              $1,817,284,502.55            $0.00

   (c) Group Two Allocation                             $ 43,101,329.91              $  312,034,078.42            $0.00

   (d) Series 1996-3 Allocations                        $ 10,681,781.84              $   77,331,255.43            $0.00

   (e) Class A Allocations                              $ 10,137,487.22              $   73,390,809.29            $0.00

       Class B Allocations                              $    544,294.62              $    3,940,446.14            $0.00
</TABLE>

<PAGE>   2

     4.   Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                           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>

     5.   Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                       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>

     6.   Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                             Deposits Into the
                                                 SIFAs This
                                                Due Period         SIFA Balance
    <S>   <C>                                  <C>              <C>    
          Series 1996-3                        $3,189,473.96      $12,757,895.84

     7.   Pool Factors
                                                                 This Due Period

          Class A                                                     1.00000000

          Class B                                                     1.00000000
</TABLE>

     8.   Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                    Cumulative
                                                                      Investor 
                                                                    Charged-Off
                                             This Due Period           Amount
<S>                                          <C>                    <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1996-3                      $  4,563,798.16            $0.00

      (d) Class A                            $  4,331,247.94            $0.00

          Class B                            $    232,550.22            $0.00
</TABLE>

     9.   Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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
     10.  Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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>

     11.  Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                   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>

     12.  Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

     13.  Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                  Total          Invested Amount
<S>                                            <C>               <C>
          Series 1996-3 Class B                $37,894,740.00        6.3158%
</TABLE>

     14.  Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                  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

     15.  Delinquency Summary

          End of Due Period Master Trust Receivables 
          Outstanding                                         $20,416,422,482.04

<TABLE>
<CAPTION>
                              Delinquent Amount         Percentage of Ending
          Payment Status      Ending Balance           Receivables Outstanding
<S>       <C>                 <C>                      <C>  
          30-59 days          $554,513,215.19                   2.72%

          60-179 days         $932,105,840.72                   4.57%
</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 June 15, 1998:

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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $73,390,809.29

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $10,137,487.22

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
             is equal to                                                   $0.00

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

        (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

<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $3,940,446.14

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $544,294.62

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
             is equal to                                                   $0.00

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

        (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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.

                               GREENWOOD TRUST COMPANY
                                  as Master Servicer

                               By:_______________________________________
                                  Vice President, Director of Accounting,
                                  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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series 1996-4                               Total        Interest      Principal
<S>                       <C>                      <C>           <C>            <C>         
             Class A      31 days at 6.031250000%  $5.193576389  $5.193576389   $0.000000000

             Class B      31 days at 6.206250000%  $5.344270833  $5.344270833   $0.000000000
</TABLE>

     2.   Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

     3.   Allocation of Receivables Collected During the Due Period

<TABLE>
<CAPTION>
                                                      Finance Charge          Principal           Yield
                                                        Collections          Collections       Collections

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

          Aggregate Investor Allocation               $294,123,203.14     $2,129,318,580.97        $0.00

          Seller:                                     $ 46,060,931.87     $  333,460,254.30        $0.00

      (b) Group One Allocation                        $251,021,873.23     $1,817,284,502.55        $0.00

      (c) Group Two Allocation                        $ 43,101,329.91     $  312,034,078.42        $0.00

      (d) Series 1996-4 Allocations                   $ 17,791,630.26     $  128,803,333.08        $0.00

      (e) Class A Allocations                         $ 16,907,151.51     $  122,400,108.11        $0.00

          Class B Allocations                         $    884,478.75     $    6,403,224.97        $0.00
</TABLE>

<PAGE>   2

     4.   Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                           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>

     5.   Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                       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>

     6.   Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                        Deposits Into the
                                           SIFAs This
                                            Due Period              SIFA Balance
<S>                                     <C>                      <C>  
          Series 1996-4                   $5,474,856.05                    $0.00

     7.   Pool Factors
                                                                 This Due Period

          Class A                                                     1.00000000

          Class B                                                     1.00000000
</TABLE>

     8.   Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                    Cumulative
                                                                      Investor 
                                                                    Charged-Off
                                             This Due Period           Amount
<S>                                          <C>                    <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1996-4                      $  7,601,485.48            $0.00

      (d) Class A                            $  7,223,591.36            $0.00

          Class B                            $    377,894.12            $0.00
</TABLE>

     9.   Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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

     10.  Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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>

     11.  Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                   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>

     12.  Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

     13.  Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                  Total          Invested Amount
<S>                                          <C>                 <C>
          Series 1996-4 Class B              $115,789,520.00         11.5790%
</TABLE>

     14.  Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                   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

     15.  Delinquency Summary

          End of Due Period Master Trust Receivables 
          Outstanding                                         $20,416,422,482.04

<TABLE>
<CAPTION>
                                    Delinquent Amount       Percentage of Ending
          Payment Status              Ending Balance       Receivables Outstanding
<S>       <C>                        <C>                            <C>  
          30-59 days                 $554,513,215.19                2.72%

          60-179 days                $932,105,840.72                4.57%
</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 June 15, 1998:

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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                       $122,400,108.11

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $16,907,151.51

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 is
             equal to                                                      $0.00

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

        (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                      $5,193,576.39

<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $6,403,224.97

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $884,478.75

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 is 
             equal to                                                      $0.00

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

        (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                        $281,279.66

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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.

                               GREENWOOD TRUST COMPANY
                                  as Master Servicer

                               By:_______________________________________
                                  Vice President, Director of Accounting,
                                  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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
        Series  1997-1                                     Total           Interest        Principal
<S>                      <C>                           <C>               <C>             <C>         
        Class A          31 days at 5.746250000%       $4.948159722      $4.948159722    $0.000000000

        Class B          31 days at 5.926250000%       $5.103159722      $5.103159722    $0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

     3.   Allocation of Receivables Collected During the Due Period

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

            Aggregate Investor Allocation                                   $294,123,203.14     $2,129,318,580.97        $0.00

            Seller:                                                         $ 46,060,931.87     $  333,460,254.30        $0.00

        (b) Group One Allocation                                            $251,021,873.23     $1,817,284,502.55        $0.00

        (c) Group Two Allocation                                            $ 43,101,329.91     $  312,034,078.42        $0.00

        (d) Series 1997-1 Allocations                                       $ 13,369,236.51     $   96,787,208.23        $0.00

        (e) Class A Allocations                                             $ 12,688,868.24     $   91,861,650.56        $0.00

            Class B Allocations                                             $    680,368.27     $    4,925,557.67        $0.00
</TABLE>

<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                            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             $0.0
</TABLE>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                            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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                              Deposits Into the
                                                 SIFAs This
                                                Due Period          SIFA Balance
<S>                                         <C>                     <C>  
          Series 1997-1                        $3,912,561.92               $0.00

     7.   Pool Factors
                                                                    This Due Period

          Class A                                                     1.00000000

          Class B                                                     1.00000000
</TABLE>

     8.   Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                    Cumulative
                                                                      Investor
                                                                    Charged-Off
                                             This Due Period           Amount
<S>                                          <C>                    <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1997-1                      $  5,712,014.90            $0.00

      (d) Class A                            $  5,421,327.12            $0.00

          Class B                            $    290,687.78            $0.00
</TABLE>

     9.   Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                  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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                  Total          Invested Amount
<S>                                           <C>                <C>
          Series 1997-1 Class B               $98,684,250.00         13.1579%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                  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

15.     Delinquency Summary

        End of Due Period Master Trust Receivables Outstanding
                                                              $20,416,422,482.04

<TABLE>
<CAPTION>
                           Delinquent Amount       Percentage of Ending
        Payment Status      Ending Balance        Receivables Outstanding
<S>     <C>                <C>                    <C>  
          30-59 days        $554,513,215.19                2.72%

          60-179 days       $932,105,840.72                4.57%
</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 June 15, 1998:

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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $91,861,650.56

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $12,688,868.24

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  
             is equal to                                                   $0.00

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

        (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                      $3,711,119.79

<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $4,925,557.67

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $680,368.27

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
             is equal to                                                   $0.00

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

        (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                        $201,442.13

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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.

                               GREENWOOD TRUST COMPANY
                                  as Master Servicer

                               By:_______________________________________
                                  Vice President, Director of Accounting,
                                  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: June 15, 1998          Due Period Ending:  May 31, 1998

        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:

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

<TABLE>
<CAPTION>
        Series  1997-2                                     Total        Interest      Principal
<S>                       <C>                          <C>            <C>            <C>         
             Class A      30 days at 6.792000000%      $5.660000000   $5.660000000   $0.000000000

             Class B      31 days at 6.056250000%      $5.215104167   $5.215104167   $0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

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

            Aggregate Investor Allocation               $294,123,203.14     $2,129,318,580.97         $0.00

            Seller                                      $ 46,060,931.87     $  333,460,254.30         $0.00

        (b) Group One Allocation                        $251,021,873.23     $1,817,284,502.55         $0.00

        (c) Group Two Allocation                        $ 43,101,329.91     $  312,034,078.42         $0.00

        (d) Series 1997-2 Allocations                   $  8,878,805.93     $   64,278,527.60         $0.00

        (e) Class A Allocations                         $  8,436,566.55     $   61,076,915.11         $0.00

            Class B Allocations                         $    442,239.38     $    3,201,612.49         $0.00
</TABLE>

<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                           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>

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

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                              Deposits Into the
                                                  SIFAs This
                                                  Due Period         SIFA Balance
<S>                                           <C>                    <C>  
          Series 1997-2                         $2,967,240.68            $0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                               This Due Period
<S>                                                            <C>
          Class A                                                1.00000000

          Class B                                                1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                     Cumulative
                                                                       Investor 
                                                                     Charged-Off
                                            This Due Period             Amount
<S>                                         <C>                      <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1997-2                      $  3,793,475.54            $0.00

      (d) Class A                            $  3,604,528.48            $0.00

          Class B                            $    188,947.06            $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                  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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                    As a Percentage
                                                                      of Class A
                                                     Total          Invested Amount
<S>       <C>                                    <C>                <C>
          Series 1997-2 Class B                  $47,368,440.00          9.4737%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
                                                   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

15.     Delinquency Summary

        End of Due Period Master Trust Receivables Outstanding
                                                              $20,416,422,482.04

<TABLE>
<CAPTION>
                               Delinquent Amount           Percentage of Ending
          Payment Status         Ending Balance          Receivables Outstanding
<S>       <C>                  <C>                       <C>
          30-59 days            $554,513,215.19                  2.72%

          60-179 days           $932,105,840.72                  4.57%
</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 June 15, 1998:

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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $61,076,915.11

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                  $8,436,566.55

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
             is equal to                                                   $0.00

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

        (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

<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $3,201,612.49

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $442,239.38

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
             is equal to                                                   $0.00

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

        (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                        $137,240.68

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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.

                               GREENWOOD TRUST COMPANY
                                  as Master Servicer

                               By:_______________________________________
                                  Vice President, Director of Accounting,
                                  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: June 15, 1998           Due Period Ending: May 31, 1998

        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:

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

<TABLE>
<CAPTION>
        Series  1997-3                                   Total           Interest      Principal
<S>                       <C>                        <C>              <C>            <C>         
             Class A      31 days at 5.786250000%    $4.982604167     $4.982604167   $0.000000000

             Class B      31 days at 5.966250000%    $5.137604167     $5.137604167   $0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period

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

            Aggregate Investor Allocation               $294,123,203.14      $2,129,318,580.97        $0.00

            Seller                                      $ 46,060,931.87      $  333,460,254.30        $0.00

        (b) Group One Allocation                        $251,021,873.23      $1,817,284,502.55        $0.00

        (c) Group Two Allocation                        $ 43,101,329.91      $  312,034,078.42        $0.00

        (d) Series 1997-3 Allocations                   $ 11,566,260.59      $   83,734,480.40        $0.00

        (e) Class A Allocations                         $ 10,987,947.56      $   79,547,756.38        $0.00

            Class B Allocations                         $    578,313.03      $    4,186,724.02        $0.00
</TABLE>

<PAGE>   2

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

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

     6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
<TABLE>
<CAPTION>
                                             Deposits Into the
                                                SIFAs This
                                                Due Period            SIFA Balance
<S>                                          <C>                      <C>  
          Series 1997-3                        $3,414,455.29            $0.00
</TABLE>

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

          Class B                                                1.00000000
</TABLE>

     8.   Investor Charged-Off Amount
<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                 Investor Charged-Off
                                              This Due Period           Amount
<S>                                          <C>                 <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                          $ 18,415,070.92            $0.00

      (c) Series 1997-3                      $  4,941,692.27            $0.00

      (d) Class A                            $  4,694,607.66            $0.00

          Class B                            $    247,084.61            $0.00
</TABLE>

     9.   Investor Losses This Due Period
<TABLE>
<CAPTION>
                                                                  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

     10.  Reimbursement of Investor Losses This Due Period         
<TABLE>
<CAPTION>
                                                                   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>

     11.  Aggregate Amount of Unreimbursed Investor Losses       
<TABLE>
<CAPTION>
                                                                   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>

     12.  Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

     13.  Class Available Subordinated Amount at the end of the Due Period
<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                   Total         Invested Amount
<S>                                            <C>               <C>     
          Series 1997-3 Class B                $85,526,375.00       13.1579%
</TABLE>

     14.  Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                  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
     15.  Delinquency Summary

          End of Due Period Master Trust Receivables Outstanding
                                                              $20,416,422,482.04

<TABLE>
<CAPTION>
                           Delinquent Amount        Percentage of Ending
         Payment Status      Ending Balance       Receivables Outstanding
<S>                        <C>                    <C>
          30-59 days        $554,513,215.19                 2.72%

          60-179 days       $932,105,840.72                 4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $79,547,756.38

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $10,987,947.56

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 is equal
                to                                                         $0.00

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

        (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                      $3,238,692.71



<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $4,186,724.02

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $578,313.03

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 is equal
                to                                                         $0.00

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

        (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                        $175,762.58

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.

          IN WITNESS WHEREOF, the undersigned has duly executed and delivered
     certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998         Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
Series  1997-4                                                 Total              Interest              Principal
<S>             <C>                                        <C>                   <C>                   <C>
Class A          31 days at 5.726250000%                    $4.930937500          $4.930937500          $0.000000000

Class B          31 days at 5.906250000%                    $5.085937500          $5.085937500          $0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                        <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                   $ 2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

3.      Allocation of Receivables Collected During the Due Period


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

          Aggregate Investor Allocation              $294,123,203.14       $2,129,318,580.97           $0.00

          Seller                                     $ 46,060,931.87       $   333,460,254.30          $0.00

      (b) Group One Allocation                       $251,021,873.23       $1,817,284,502.55           $0.00

      (c) Group Two Allocation                       $ 43,101,329.91       $   312,034,078.42          $0.00

      (d) Series 1997-4 Allocations                  $ 13,369,236.51       $    96,787,208.23          $0.00

      (e) Class A Allocations                        $ 12,688,868.24       $    91,861,650.56          $0.00

          Class B Allocations                        $    680,368.27       $     4,925,557.67          $0.00
</TABLE>



<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")


<TABLE>
<CAPTION>
                             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>


5.      Information Concerning Amount of Controlled Liquidation Payments


<TABLE>
<CAPTION>
                                                                         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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                    Deposits Into the
                                        SIFAs This
                                        Due Period             SIFA Balance
<S>                                 <C>                         <C>     
        Series 1997-4                     $3,898,965.43               $0.00
</TABLE>

7.      Pool Factors


<TABLE>
                                                                     This Due Period
<S>                                                                   <C>       
        Class A                                                        1.00000000

        Class B                                                        1.00000000
</TABLE>

8.      Investor Charged-Off Amount


<TABLE>
<CAPTION>
                                                                     Cumulative
                                                               Investor Charged-Off
                                          This Due Period               Amount
<S>                                     <C>                    <C>     
        (a) Group One                      $107,249,256.78               $0.00

        (b) Group Two                      $ 18,415,070.92               $0.00

        (c) Series 1997-4                  $  5,712,014.90               $0.00

        (d) Class A                        $  5,421,327.12               $0.00

            Class B                        $    290,687.78               $0.00
</TABLE>


9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                          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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                 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>


11.     Aggregate Amount of Unreimbursed Investor Losses


<TABLE>
<CAPTION>
                                                                 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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                          <C>              
        (a) Group One                                        $24,750,236.10

        (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                        As a Percentage
                                                                           of Class A
                                                  Total                   Invested Amount
<S>                                            <C>                      <C>     
        Series 1997-4 Class B                  $98,684,250.00                 13.1579%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                              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

15.     Delinquency Summary

<TABLE>
<S>                                                               <C>               
        End of Due Period Master Trust Receivables Outstanding    $20,416,422,482.04
</TABLE>


<TABLE>
<CAPTION>
                                   Delinquent Amount        Percentage of Ending
        Payment Status               Ending Balance        Receivables Outstanding
<S>     <C>                       <C>                      <C>  
        30-59 days                   $554,513,215.19               2.72%

        60-179 days                  $932,105,840.72               4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $91,861,650.56

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $12,688,868.24

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            $0.00
                Charged-Off 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                      $3,698,203.13


<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $4,925,557.67

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $680,368.27

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            $0.00
                Charged-Off 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                        $200,762.30

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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:______________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998         Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
        Series  1998-1                                     Total        Interest      Principal
<S>                          <C>                       <C>            <C>            <C>  
        Class A               31 days at 5.746250000%  $4.948159722   $4.948159722   $0.000000000

        Class B               31 days at 5.926250000%  $5.103159722   $5.103159722   $0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                      <C>               
        (a) Aggregate Investor Interest                   $17,270,975,009.33
            Seller Interest                               $2,843,199,440.26

            Total Master Trust                            $20,114,174,449.59


        (b) Group One Investor Interest                   $14,720,975,009.33

        (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>


3.      Allocation of Receivables Collected During the Due Period

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

            Aggregate Investor Allocation                             $294,123,203.14       $2,129,318,580.97           $0.00

            Seller:                                                    $46,060,931.87         $333,460,254.30           $0.00

        (b) Group One Allocation                                      $251,021,873.23       $1,817,284,502.55           $0.00

        (c) Group Two Allocation                                       $43,101,329.91         $312,034,078.42           $0.00

        (d) Series 1998-1 Allocations                                   $6,225,369.67          $45,068,852.68           $0.00

        (e) Class A Allocations                                         $5,919,203.95          $42,852,351.73           $0.00

            Class B Allocations                                           $306,165.72           $2,216,500.95           $0.00
</TABLE>



<PAGE>   2

4.     Information Concerning the Series Principal Funding Accounts ("SPFA")


<TABLE>
<CAPTION>
                          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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                         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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")


<TABLE>
<CAPTION>
                                    Deposits Into the
                                       SIFAs This
                                       Due Period             SIFA Balance
<S>                                 <C>                       <C>     
        Series 1998-1                  $1,825,866.31               $0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                                     This Due Period
<S>                                                                  <C>       
        Class A                                                        1.00000000

        Class B                                                        1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                  Investor Charged-Off
                                          This Due Period               Amount
<S>                                       <C>                     <C>     
        (a) Group One                      $107,249,256.78               $0.00

        (b) Group Two                       $18,415,070.92               $0.00

        (c) Series 1998-1                    $2,659,793.19               $0.00

        (d) Class A                          $2,528,983.69               $0.00

            Class B                            $130,809.50               $0.00
</TABLE>


9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                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

10.     Reimbursement of Investor Losses This Due Period


<TABLE>
<CAPTION>
                                                                 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>


11.     Aggregate Amount of Unreimbursed Investor Losses


<TABLE>
<CAPTION>
                                                                 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>


12.     Investor Monthly Servicing Fee Payable at the end of the Due Period


<TABLE>
<S>                                                          <C>              
        (a) Group One                                        $24,750,236.10

        (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                           As a Percentage
                                                                            of Class A
                                                   Total                   Invested Amount
<S>                                            <C>                         <C>
        Series 1998-1 Class B                  $46,052,750.00                 13.1579%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                  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

15.     Delinquency Summary

<TABLE>
<S>                                                                   <C>               
        End of Due Period Master Trust Receivables Outstanding        $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                                Delinquent Amount        Percentage of Ending
        Payment Status            Ending Balance        Receivables Outstanding
<S>                              <C>                    <C>  
        30-59 days                $554,513,215.19               2.72%

        60-179 days               $932,105,840.72               4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $42,852,351.73

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                  $5,919,203.95

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            $0.00
                Charged-Off 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                      $1,731,855.90




<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $2,216,500.95

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $306,165.72

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            $0.00
                Charged-Off 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                         $94,010.41

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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:____________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998         Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
        Series  1998-2                                      Total          Interest          Principal
<S>                      <C>                            <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>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                  <C>               
        (a) Aggregate Investor Interest               $17,270,975,009.33
            Seller Interest                           $2,843,199,440.26

            Total Master Trust                        $20,114,174,449.59


        (b) Group One Investor Interest               $14,720,975,009.33

        (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>

3.      Allocation of Receivables Collected During the Due Period

<TABLE>
<CAPTION>
                                                                    Finance Charge       Principal           Yield
                                                                      Collections        Collections       Collections
<S>                                                                 <C>               <C>                  <C>  

      (a) Allocation of Collections between Investor and Seller

            Aggregate Investor Allocation                          $294,123,203.14    $2,129,318,580.97      $0.00

            Seller:                                                 $46,060,931.87      $333,460,254.30      $0.00

        (b) Group One Allocation                                   $251,021,873.23    $1,817,284,502.55      $0.00

        (c) Group Two Allocation                                    $43,101,329.91      $312,034,078.42      $0.00

        (d) Series 1998-2 Allocations                                $8,878,805.93       $64,278,527.60      $0.00

        (e) Class A Allocations                                      $8,436,566.55       $61,076,915.11      $0.00

            Class B Allocations                                        $442,239.38        $3,201,612.49      $0.00
</TABLE>


<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                             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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                        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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                     Deposits Into the
                                        SIFAs This
                                        Due Period                  SIFA Balance
<S>                                 <C>                         <C>             
        Series 1998-2               $   2,547,150.17            $   8,575,405.57
</TABLE>

7.      Pool Factors


<TABLE>
<CAPTION>
                                                                    This Due Period
<S>                                                                 <C>       
        Class A                                                        1.00000000

        Class B                                                        1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                       Cumulative
                                                                 Investor Charged-Off
                                           This Due Period               Amount
<S>                                        <C>                   <C>  
        (a) Group One                      $107,249,256.78               $0.00

        (b) Group Two                       $18,415,070.92               $0.00

        (c) Series 1998-2                    $3,793,475.54               $0.00

        (d) Class A                          $3,604,528.48               $0.00

            Class B                            $188,947.06               $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                 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

10.     Reimbursement of Investor Losses This Due Period


<TABLE>
<CAPTION>
                                                                 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>

11.     Aggregate Amount of Unreimbursed Investor Losses

<TABLE>
<CAPTION>
                                                                  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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                          <C>           
        (a) Group One                                        $24,750,236.10

        (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                        As a Percentage
                                                                           of Class A
                                                   Total                 Invested Amount
<S>                                            <C>                      <C>    
        Series 1998-2 Class B                  $44,736,860.00                 8.9474%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                              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

15.     Delinquency Summary

<TABLE>
<S>                                                                          <C>               
        End of Due Period Master Trust Receivables Outstanding               $20,416,422,482.04
</TABLE>

<TABLE>
<CAPTION>
                                    Delinquent Amount       Percentage of Ending
        Payment Status               Ending Balance        Receivables Outstanding
<S>                               <C>                      <C>  
        30-59 days                $   554,513,215.19               2.72%

        60-179 days               $   932,105,840.72               4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $61,076,915.11

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                  $8,436,566.55

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            $0.00
                Charged-Off 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



<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $3,201,612.49

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $442,239.38

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            $0.00
                Charged-Off 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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998          Due Period Ending:  May 31, 1998

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:

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

<TABLE>
<CAPTION>
          Series  1998-3                                  Total         Interest      Principal
<S>                       <C>                          <C>            <C>            <C> 
             Class A      31 days at 5.781250000%      $4.978298611   $4.978298611   $0.000000000

             Class B      31 days at 5.946250000%      $5.120381944   $5.120381944   $0.000000000
</TABLE>

2.      Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                       <C>               
        (a) Aggregate Investor Interest                   $17,270,975,009.33
            Seller Interest                                $2,843,199,440.26

            Total Master Trust                            $20,114,174,449.59


        (b) Group One Investor Interest                   $14,720,975,009.33

        (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>


3.      Allocation of Receivables Collected During the Due Period

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

            Aggregate Investor Allocation                          $294,123,203.14      $2,129,318,580.97        $0.00

            Seller:                                                 $46,060,931.87        $333,460,254.30        $0.00

        (b) Group One Allocation                                   $251,021,873.23      $1,817,284,502.55        $0.00

        (c) Group Two Allocation                                    $43,101,329.91        $312,034,078.42        $0.00

        (d) Series 1998-3 Allocations                               $13,369,236.51         $96,787,208.23        $0.00

        (e) Class A Allocations                                     $12,688,868.24         $91,861,650.56        $0.00

            Class B Allocations                                        $680,368.27          $4,925,557.67        $0.00
</TABLE>




<PAGE>   2

4.      Information Concerning the Series Principal Funding Accounts ("SPFA")

<TABLE>
<CAPTION>
                                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>

5.      Information Concerning Amount of Controlled Liquidation Payments

<TABLE>
<CAPTION>
                                                                          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>

6.      Information Concerning the Series Interest Funding Accounts ("SIFA")

<TABLE>
<CAPTION>
                                                          Deposits Into the
                                                              SIFAs This
                                       Due Period            SIFA Balance
<S>                                <C>                    <C>     
        Series 1998-3               $   3,935,845.92            $   0.00
</TABLE>

7.      Pool Factors

<TABLE>
<CAPTION>
                                                                     This Due Period
<S>                                                                  <C>       
        Class A                                                        1.00000000

        Class B                                                        1.00000000
</TABLE>

8.      Investor Charged-Off Amount

<TABLE>
<CAPTION>
                                                                        Cumulative
                                                                  Investor Charged-Off
                                           This Due Period               Amount
<S>                                        <C>                    <C>  
        (a) Group One                      $107,249,256.78               $0.00

        (b) Group Two                       $18,415,070.92               $0.00

        (c) Series 1998-3                    $5,712,014.90               $0.00

        (d) Class A                          $5,421,327.12               $0.00

            Class B                            $290,687.78               $0.00
</TABLE>

9.      Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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

10.     Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                  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>

11.     Aggregate Amount of Unreimbursed Investor Losses


<TABLE>
<CAPTION>
                                                                 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>

12.     Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                          <C>           
        (a) Group One                                        $24,750,236.10

        (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>

13.     Class Available Subordinated Amount at the end of the Due Period

<TABLE>
<CAPTION>
                                                                          As a Percentage
                                                                            of Class A
                                                  Total                    Invested Amount
<S>                                         <C>                           <C>
        Series 1998-3 Class B               $   98,684,250.00                 13.1579%
</TABLE>

14.     Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                            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

15.     Delinquency Summary

<TABLE>
<S>                                                                          <C>               
        End of Due Period Master Trust Receivables Outstanding               $20,416,422,482.04
</TABLE>


<TABLE>
<CAPTION>
                                  Delinquent Amount          Percentage of Ending
          Payment Status            Ending Balance          Receivables Outstanding
<S>                               <C>                       <C>  
        30-59 days                $   554,513,215.19               2.72%

        60-179 days               $   932,105,840.72               4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $91,861,650.56

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                 $12,688,868.24

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                      $3,733,723.96




<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $4,925,557.67

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $680,368.27

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            $0.00
                Charged-Off 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                        $202,121.96

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.

        IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:______________________________
                               Vice President, Director of Accounting,
                               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: June 15, 1998     Due Period Ending:  May 31, 1998

     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:

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

<TABLE>
<CAPTION>
          Series  1998-4                               Total       Interest       Principal
<S>                       <C>                      <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>

     2.   Principal Receivables at the end of the Due Period

<TABLE>
<S>                                                         <C>               
      (a) Aggregate Investor Interest                       $17,270,975,009.33
          Seller Interest                                    $2,843,199,440.26

          Total Master Trust                                $20,114,174,449.59


      (b) Group One Investor Interest                       $14,720,975,009.33

      (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>

     3.   Allocation of Receivables Collected During the Due Period

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

          Aggregate Investor Allocation.                           $294,123,203.14        $2,129,318,580.97          $0.00

          Seller:                                                   $46,060,931.87          $333,460,254.30          $0.00

      (b) Group One Allocation                                     $251,021,873.23        $1,817,284,502.55          $0.00

      (c) Group Two Allocation                                      $43,101,329.91          $312,034,078.42          $0.00

      (d) Series 1998-4 Allocations                                  $8,878,805.93           $64,278,527.60          $0.00

      (e) Class A Allocations                                        $8,436,566.55           $61,076,915.11          $0.00

          Class B Allocations                                          $442,239.38            $3,201,612.49          $0.00
</TABLE>


<PAGE>   2

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

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

     6.   Information Concerning the Series Interest Funding Accounts ("SIFA")
<TABLE>
<CAPTION>
                                               Deposits Into the
                                                  SIFAs This
                                                 Due Period      SIFA Balance
<S>                                            <C>              <C>          
          Series 1998-4                        $2,525,220.33    $5,555,484.73
</TABLE>

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

          Class B                                                1.00000000
</TABLE>

     8.   Investor Charged-Off Amount
<TABLE>
<CAPTION>
                                                                      Cumulative
                                                                 Investor Charged-Off
                                             This Due Period            Amount
<S>                                          <C>                 <C>  
      (a) Group One                          $107,249,256.78            $0.00

      (b) Group Two                           $18,415,070.92            $0.00

      (c) Series 1998-4                        $3,793,475.54            $0.00

      (d) Class A                              $3,604,528.48            $0.00

          Class B                                $188,947.06            $0.00
</TABLE>

     9.   Investor Losses This Due Period
<TABLE>
<CAPTION>
                                                                   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

     10.  Reimbursement of Investor Losses This Due Period

<TABLE>
<CAPTION>
                                                                   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>

     11.  Aggregate Amount of Unreimbursed Investor Losses       
<TABLE>
<CAPTION>
                                                                  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>

     12.  Investor Monthly Servicing Fee Payable at the end of the Due Period

<TABLE>
<S>                                                           <C>           
      (a) Group One                                           $24,750,236.10

      (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>

     13.  Class Available Subordinated Amount at the end of the Due Period
<TABLE>
<CAPTION>
                                                                 As a Percentage
                                                                   of Class A
                                                  Total          Invested Amount
<S>                                            <C>               <C>    
          Series 1998-4 Class B                $44,736,860.00        8.9474%
</TABLE>

     14.  Total Available Credit Enhancement Amounts

<TABLE>
<CAPTION>
                                                  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

     15.  Delinquency Summary

          End of Due Period Master Trust Receivables Outstanding
                                                              $20,416,422,482.04

<TABLE>
<CAPTION>
                            Delinquent Amount     Percentage of Ending
          Payment Status     Ending Balance       Receivables Outstanding
<S>                         <C>                   <C>  
          30-59 days        $554,513,215.19              2.72%

          60-179 days       $932,105,840.72              4.57%
</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 June 15, 1998:


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                                     $2,802,962,970.21

4.      The aggregate amount of Class A Principal Collections processed during
        the related Due Period is equal to                        $61,076,915.11

5.      The aggregate amount of Class A Finance Charge Collections processed
        during the related Due Period is equal to                  $8,436,566.55

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 is equal
                to                                                         $0.00

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

        (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


<PAGE>   6

9.      The aggregate amount of Class B Principal Collections processed during
        the related Due Period is equal to                         $3,201,612.49

10.     The aggregate amount of Class B Finance Charge Collections processed
        during the related Due Period is equal to                    $442,239.38

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 is equal
                to                                                         $0.00

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

        (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.

          IN WITNESS WHEREOF, the undersigned has duly executed and delivered
     certificate this 15th day of June, 1998.



                               GREENWOOD TRUST COMPANY
                                    as Master Servicer

                               By:_________________________
                               Vice President, Director of Accounting,
                               and Treasurer




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