DISCOVER CARD MASTER TRUST I
424B3, 1999-08-16
ASSET-BACKED SECURITIES
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<PAGE>   1
PROSPECTUS SUPPLEMENT                          This Prospectus Supplement,
FOR THE PERIOD ENDING                          filed pursuant to Rule 424(b)(3),
JULY 31, 1999 TO                               relates to Registration Statement
PROSPECTUS DATED                               33-71504-01 and the Prospectus
NOVEMBER 16, 1993                              dated November 16, 1993

                       SECURITIES AND EXCHANGE COMMISSION
                             450 Fifth Street, N.W.
                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

        Date of Report (Date of earliest event reported): August 16, 1999

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

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

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

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

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

                                  Page 1 of 165
                         Index to Exhibits is on page 8


<PAGE>   2

Item 5. Other Events

A) Series 1993-3:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1993-3, which is attached as
Exhibit 20(a) hereto.

B) Series 1994-2:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1994-2, which is attached as
Exhibit 20(b) hereto.

C) Series 1994-3:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1994-3, which is attached as
Exhibit 20(c) hereto.

D) Series 1994-A:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1994-A, which is attached as
Exhibit 20(d) hereto.

E) Series 1995-1:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1995-1, which is attached as
Exhibit 20(e) hereto.

F) Series 1995-2:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1995-2, which is attached as
Exhibit 20(f) hereto.

G) Series 1995-3:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1995-3, which is attached as
Exhibit 20(g) hereto.

H) Series 1996-1:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1996-1, which is attached as
Exhibit 20(h) hereto.

I) Series 1996-2:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1996-2, which is attached as
Exhibit 20(i) hereto.

J) Series 1996-3:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1996-3, which is attached as
Exhibit 20(j) hereto.

K) Series 1996-4:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1996-4, which is attached as
Exhibit 20(k) hereto.

L) Series 1997-1:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1997-1, which is attached as
Exhibit 20(l) hereto.


                                        2

<PAGE>   3

M) Series 1997-2:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1997-2, which is attached as
Exhibit 20(m) hereto.

N) Series 1997-3:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1997-3, which is attached as
Exhibit 20(n) hereto.

O) Series 1997-4:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1997-4, which is attached as
Exhibit 20(o) hereto.

P) Series 1998-1:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1998-1, which is attached as
Exhibit 20(p) hereto.

Q) Series 1998-2:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1998-2, which is attached as
Exhibit 20(q) hereto.

R) Series 1998-3:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1998-3, which is attached as
Exhibit 20(r) hereto.

S) Series 1998-4:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1998-4, which is attached as
Exhibit 20(s) hereto.

T) Series 1998-6:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1998-6, which is attached as
Exhibit 20(t) hereto.

U) Series 1998-7:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1998-7, which is attached as
Exhibit 20(u) hereto.

V) Series 1999-1:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1999-1, which is attached as
Exhibit 20(v) hereto.

W) Series 1999-2:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1999-2, which is attached as
Exhibit 20(w) hereto.

X) Series 1999-3:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1999-3, which is attached as
Exhibit 20(x) hereto.


                                        3

<PAGE>   4

Y) Series 1999-4:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1999-4, which is attached as
Exhibit 20(y) hereto.

Z) Series 1999-5:
On August 16, 1999 the Registrant made available the Monthly Certificateholders'
Statement for July 1999 with respect to Series 1999-5, which is attached as
Exhibit 20(z) hereto.


                                       4

<PAGE>   5

Item 7. Financial Statements and Exhibits

c) Exhibits

<TABLE>
<CAPTION>
Exhibit No.           Description
- -----------           ------------
<S>                  <C>
20(a)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1993-3.

20(b)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1994-2.

20(c)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1994-3.

20(d)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1994-A.

20(e)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1995-1.

20(f)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1995-2.

20(g)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1995-3.

20(h)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1996-1.

20(i)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1996-2.

20(j)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1996-3.

20(k)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1996-4.

20(l)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1997-1.

20(m)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1997-2.

20(n)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1997-3.

20(o)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1997-4.
</TABLE>


                                       5

<PAGE>   6

<TABLE>
<S>                  <C>
20(p)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1998-1.

20(q)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1998-2.

20(r)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1998-3.

20(s)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1998-4.

20(t)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1998-6.

20(u)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1998-7.

20(v)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1999-1.

20(w)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1999-2.

20(x)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1999-3.

20(y)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1999-4.

20(z)                 Monthly Certificateholders' Statement, related to the month ending
                      July 31, 1999, for Series 1999-5.
</TABLE>



                                       6

<PAGE>   7

                                   SIGNATURES

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

                        DISCOVER CARD MASTER TRUST I
                                (Registrant)

                        By: GREENWOOD TRUST COMPANY
                            as originator of the Trust

                        By: John J. Coane
                            ----------------------------------
                            John J. Coane
                            Vice President, Chief Accounting
                            Officer and Treasurer

Date:  August 16, 1999




                                       7

<PAGE>   8

                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
Exhibit No.           Description
- -----------           -----------
<S>                  <C>
20(a)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1993-3.

20(b)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1994-2.

20(c)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1994-3.

20(d)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1994-A.

20(e)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1995-1.

20(f)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1995-2.

20(g)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1995-3.

20(h)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1996-1.

20(i)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1996-2.

20(j)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1996-3.

20(k)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1996-4.

20(l)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1997-1.

20(m)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1997-2.

20(n)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1997-3.

20(o)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1997-4.
</TABLE>



                                       8

<PAGE>   9

<TABLE>
<S>                  <C>
20(p)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1998-1.

20(q)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1998-2.

20(r)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1998-3.

20(s)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1998-4.

20(t)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1998-6.

20(u)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1998-7.

20(v)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1999-1.

20(w)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1999-2.

20(x)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1999-3.

20(y)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1999-4.

20(z)                 Monthly Certificateholders' Statement, related
                      to the month ending July 31, 1999, for Series
                      1999-5.
</TABLE>



                                       9


<PAGE>   1
                                                                   EXHIBIT (A)


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

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of November 23, 1993 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1993-3 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

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

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

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

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

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                            Finance Charge            Principal          Yield Collections /
                                                              Collections           Collections           Additional Funds

 (a) Allocation of Collections between Investors and Seller

     <S>                                                    <C>                  <C>                          <C>
     Aggregate Investor Allocation.                          $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                       $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                    $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                     $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1993-3 Allocations                                 $6,012,774.75         $56,810,078.35            $0.00

 (e) Class A Allocations                                       $5,742,315.80         $54,254,719.98            $0.00

     Class B Allocations                                         $270,458.95          $2,555,358.37            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                               <C>
 (f) Principal Collections as a monthly percentage of Master
     Trust Receivables at the beginning of July, 1999                               15.26%

 (g) Finance Charge Collections as a monthly percentage of Master
     Trust Receivables at the beginning of July, 1999                                1.62%

 (h) Total Collections as a monthly percentage of Master Trust
     Receivables at the beginning of July, 1999                                     16.88%
</TABLE>

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

                        Deposits into the      Deficit Amount
                          SPFAs on this           on this           SPFA          Investment
                        Distribution Date    Distribution Date     Balance          Income

     <S>                    <C>                 <C>                <C>              <C>
     Series 1993-3           $0.00              0.00               $0.00            $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                          Total Payments
                         Amount Paid on this        Deficit Amount         through this
                          Distribution Date   on this Distribution Date  Distribution Date

     <S>                       <C>                   <C>                     <C>
     Series 1993-3             $0.00                  $0.00                   $0.00
</TABLE>

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

                                          Deposits into the SIFA
                                         on this Distribution Date       SIFA Balance

     <S>                                      <C>                       <C>
     Series 1993-3                             $1,896,983.21            $5,690,949.63
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                   Cumulative Investor
                                          This Distribution Date   Charged-Off Amount

 <S>                                     <C>                          <C>
 (a) Group One                            $97,073,477.06               $0.00

 (b) Group Two                            $13,946,779.38               $0.00

 (c) Series 1993-3                         $2,004,397.84               $0.00

 (d) Class A                               $1,914,238.58               $0.00

     Class B                                  $90,159.26               $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>


<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested 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>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested 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>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------
                                                             Per $1,000 of original
                                                 Total         invested 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>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (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>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1993-3 Class B                $23,822,045.00       6.8063%
</TABLE>


<PAGE>   4

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

                                              Shared Amount  Class B Amount

 <S>                                       <C>              <C>
 (a) Maximum Amount                         $9,162,325.00    $5,497,395.00

 (b) Available Amount                       $9,162,325.00    $5,497,395.00

 (c) Amount of Drawings on Credit
       Enhancement on this Distribution
       Date                                         $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                         $8,946.86
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999     $26,607,836,785.44
</TABLE>


<TABLE>
<CAPTION>
                                                        Delinquent Amount     Percentage of Ending
     Payment Status                                       Ending Balance     Receivables Outstanding

     <S>                                                 <C>                       <C>
     30-59 days                                             $731,165,663.75          2.75%

     60-179 days                                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1993-3 (3)                           4.88%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------

     <S>                                                                   <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                    5.81%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President
- ------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.


<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $54,254,719.98

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $5,742,315.80

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

<PAGE>   6


<TABLE>
<S>                                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $2,555,358.37

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $270,458.95

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1
                                                                   EXHIBIT (B)


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

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of October 14, 1994 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1994-2 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1994-2                                      Total           Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.530000000%        $4.915555556      $4.915555556        $0.000000000

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

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

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

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                               Finance Charge         Principal         Yield Collections /
                                                                Collections          Collections        Additional Funds

 (a) Allocation of Collections between Investors and Seller

     <S>                                                     <C>                  <C>                          <C>
     Aggregate Investor Allocation.                           $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                        $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                     $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                      $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1994-2 Allocations                                 $14,679,910.93        $138,699,173.87            $0.00

 (e) Class A Allocations                                       $13,945,808.06        $131,763,201.15            $0.00

     Class B Allocations                                          $734,102.87          $6,935,972.72            $0.00
</TABLE>

<PAGE>   2

<TABLE>
 <S>                                                                              <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                       15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                        1.62%

 (h) Total Collections as a monthly percentage of Master Trust
     Receivables at the beginning of July, 1999                                    16.88%
</TABLE>

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

                        Deposits into the     Deficit Amount
                           SPFAs on this         on this             SPFA           Investment
                        Distribution Date   Distribution Date      Balance            Income

     <S>                    <C>                    <C>             <C>                <C>
     Series 1994-2           $0.00                  0.00            $0.00              $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                               Total Payments
                           Amount Paid on this      Deficit Amount              through this
                            Distribution Date    on this Distribution Date    Distribution Date

     <S>                        <C>                     <C>                        <C>
     Series 1994-2               $0.00                   $0.00                      $0.00
</TABLE>

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

                                          Deposits into the SIFA
                                         on this Distribution Date       SIFA Balance

     <S>                                     <C>                           <C>
     Series 1994-2                            $4,478,332.93                 $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                              Cumulative Investor
                                      This Distribution Date   Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1994-2                         $4,893,644.46            $0.00

 (d) Class A                               $4,648,926.46            $0.00

     Class B                                 $244,718.00            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested 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>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested 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>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------
                                                             Per $1,000 of original
                                                 Total         invested 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>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

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

 (d) Class A                                               $1,416,666.67

     Class B                                                  $74,561.67
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1994-2 Class B                $89,473,700.00      10.5263%
</TABLE>

<PAGE>   4


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

                                             Shared Amount  Class B Amount
 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $44,736,850.00

 (b) Available Amount                              $0.00   $44,736,850.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $17,361.47
</TABLE>

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

     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                                  Delinquent Amount    Percentage of Ending
     Payment Status               Ending Balance       Receivables Outstanding
<S>                              <C>                  <C>
     30-59 days                    $731,165,663.75            2.75%

     60-179 days                 $1,079,701,469.41            4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

<S>                                                                  <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1994-2 (3)                                               5.10%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>

     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President
- ----------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $131,763,201.15

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $13,945,808.06

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $4,178,222.22
</TABLE>

<PAGE>   6

<TABLE>
<S>                                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $6,935,972.72

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $734,102.87

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1
                                                                 EXHIBIT (C)


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

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of October 20, 1994 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1994-3 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

        Series  1994-3                                  Total            Interest            Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.370000000%        $4.773333333      $4.773333333        $0.000000000

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

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

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

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                                   Finance Charge        Principal        Yield Collections /
                                                                   Collections          Collections       Additional Funds

 (a) Allocation of Collections between Investors and Seller

     <S>                                                        <C>                  <C>                          <C>
     Aggregate Investor Allocation.                              $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                           $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                        $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                         $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1994-3 Allocations                                    $12,952,837.33        $122,381,385.41            $0.00

 (e) Class A Allocations                                          $12,305,023.74        $116,260,693.69            $0.00

     Class B Allocations                                             $647,813.59          $6,120,691.72            $0.00
</TABLE>

<PAGE>   2
<TABLE>
<S>                                                                               <C>
 (f) Principal Collections as a monthly percentage of Master
     Trust Receivables at the beginning of July, 1999                               15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                         1.62%

 (h) Total Collections as a monthly percentage of Master
     Trust Receivables at the beginning of July, 1999                               16.88%
</TABLE>

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

                       Deposits into the   Deficit Amount
                         SPFAs on this        on this              SPFA     Investment
                      Distribution Date   Distribution Date       Balance     Income

     <S>                    <C>                <C>                <C>          <C>
     Series 1994-3           $0.00              0.00               $0.00       $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                                Total Payments
                           Amount Paid on this        Deficit Amount              through this
                            Distribution Date      on this Distribution Date    Distribution Date

     <S>                        <C>                       <C>                        <C>
     Series 1994-3               $0.00                     $0.00                      $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                       on this Distribution Date          SIFA Balance

     <S>                                   <C>                              <C>
     Series 1994-3                          $3,834,936.25                    $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                      Cumulative Investor
                                          This Distribution Date       Charged-Off Amount

 <S>                                     <C>                                <C>
 (a) Group One                            $97,073,477.06                     $0.00

 (b) Group Two                            $13,946,779.38                     $0.00

 (c) Series 1994-3                         $4,317,913.16                     $0.00

 (d) Class A                               $4,101,960.26                     $0.00

     Class B                                 $215,952.90                     $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                       6.56%                       N/A
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1994-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1994-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1994-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

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

 (d) Class A                                               $1,250,000.00

     Class B                                                  $65,790.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1994-3 Class B                $78,947,400.00      10.5263%
</TABLE>

<PAGE>   4


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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $39,473,700.00

 (b) Available Amount                              $0.00   $39,473,700.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $13,564.60
</TABLE>

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

     <S>                                                                            <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>


<TABLE>
<CAPTION>
                                           Delinquent Amount  Percentage of Ending
     Payment Status                        Ending Balance     Receivables Outstanding

     <S>                                  <C>                       <C>
     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1994-3 (3)                                               5.28%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
     <S>                                                            <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ----------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $116,260,693.69

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $12,305,023.74

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 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                                                                  $3,580,000.00

</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $6,120,691.72

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $647,813.59

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1
                                                                   EXHIBIT (D)

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

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of December 20, 1994 relating to the
Pooling and Servicing Agreement dated as of October  1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth this information for the Distribution Date listed above, as
well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in 1994-A on this Distribution Date (per $1000 of Class Initial Investor Interest)
     ------------------------------------------------------------------------------------------------------------------------

     Series  1994-A                                    Total            Interest         Principal
         <S>         <C>                           <C>               <C>               <C>
         Class A      30 days at 5.482695500%       $4.568912917      $4.568912917      $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

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

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

     Class B Investor Interest                                       $0.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                               Finance Charge         Principal          Yield Collections /
                                                                Collections          Collections          Additional Funds

 (a) Allocation of Collections between Investors and Seller

     <S>                                                     <C>                  <C>                          <C>
     Aggregate Investor Allocation.                           $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                        $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                     $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                      $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1994-A Allocations                                 $41,837,424.17        $395,289,603.45            $0.00

 (e) Class A Allocations                                       $41,837,424.17        $395,289,603.45            $0.00

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


<PAGE>   2

<TABLE>
<S>                                                                            <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                     15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                      1.62%

 (h) Total Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                     16.88%
</TABLE>

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

                      Deposits into the   Deficit Amount
                       SPFAs on this           on this           SPFA       Investment
                     Distribution Date    Distribution Date     Balance       Income

     <S>                    <C>                 <C>            <C>           <C>
     Series 1994-A           $0.00               0.00           $0.00         $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                                Total Payments
                         Amount Paid on this         Deficit Amount               through this
                          Distribution Date     on this Distribution Date       Distribution Date

     <S>                       <C>                      <C>                          <C>
     Series 1994-A             $0.00                    $0.00                        $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution Date                SIFA Balance

     <S>                                 <C>                                         <C>
     Series 1994-A                        $11,650,727.94                              $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 0.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------

                                                                    Cumulative Investor
                                         This Distribution Date      Charged-Off Amount

 <S>                                     <C>                              <C>
 (a) Group One                            $97,073,477.06                   $0.00

 (b) Group Two                            $13,946,779.38                   $0.00

 (c) Series 1994-A                        $13,946,779.38                   $0.00

 (d) Class A                              $13,946,779.38                   $0.00

     Class B                                       $0.00                   $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                    N/A
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1994-A                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1994-A                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
11.  Aggregate Amount of Unreimbursed Investor Losses
     ------------------------------------------------
                                                           Per $1000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1994-A                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

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

 (d) Class A                                               $4,250,000.00

     Class B                                                       $0.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                                 Total   Class A Invested Amount

     <S>                                         <C>           <C>
     Series 1994-A Class B                        $0.00         0.0000%
</TABLE>

<PAGE>   4


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

                                          Shared Amount       Class B Amount

 <S>                                    <C>                  <C>
 (a) Maximum Amount                      $204,000,000.00            $0.00

 (b) Available Amount                    $204,000,000.00            $0.00

 (c) Amount of Drawings on Credit
       Enhancement on this
       Distribution Date                           $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                      $115,435.16
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>


<TABLE>
<CAPTION>
                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding

     <S>                 <C>                        <C>
     30-59 days            $731,165,663.75           2.75%

     60-179 days         $1,079,701,469.41           4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date(1)
     ------------------------------------------------------

 <S>                                             <C>
 (a) Group One(2)                                 5.29%

 (b) Group Two(2)                                 5.59%

 (c) Series 1994-A(3)                             5.59%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date(4)
     --------------------------------------------
    <S>                                                                  <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                 5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ---------------

(1) For series in Group One, investors should refer only to the higher of the
    Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
    Percentage (Item 16(c)) in assessing the current performance or the Trust
    and the Receivables.

(2) Group Excess Spread is the sum of the Series Excess Spreads (as described
    below) for each series in the Group.  The Group Excess Spread Percentage is
    equal to the Group Excess Spread, multiplied by twelve, divided by the
    Series Investor Interests for each series in the Group.

(3) Series Excess Spread is the difference between (a) the sum of Finance
    Charge Collections, Yield Collections, Additional Funds and Investment
    Income for any Class of this Series (see Item 3(e)), and (b) the sum of (i)
    the monthly interest for each Class of this Series (see Item 1), (ii) the
    monthly servicing fee for each Class of this Series (see Item 12(d)), (iii)
    the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
    Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
    The Series Excess Spread Percentage is equal to the Series Excess Spread,
    multiplied by twelve, divided by the Series Investor Interest for this
    Series.

(4) For purposes of allocations to investors, recoveries are treated as Finance
    Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $395,289,603.45

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $41,837,424.17

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

 7.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                 $11,650,727.94

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

<TABLE>
<S>                                                                                                                        <C>

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

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

     (c)  with respect to the Class A Investor Interest is equal to                                                        $0.00
</TABLE>
<PAGE>   6


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


     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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




<PAGE>   1
                                                               EXHIBIT (E)



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

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of April 19, 1995 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1995-1 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1995-1                                     Total              Interest         Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.460000000%        $4.853333333      $4.853333333        $0.000000000

         Class B      32 days at 5.630000000%        $5.004444444      $5.004444444        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

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

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                               Finance Charge          Principal         Yield Collections /
                                                                Collections           Collections        Additional Funds

 (a) Allocation of Collections between Investors and Seller

     <S>                                                     <C>                  <C>                          <C>
     Aggregate Investor Allocation.                           $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                        $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                     $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                      $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1995-1 Allocations                                 $10,362,441.59         $97,906,730.78            $0.00

 (e) Class A Allocations                                        $9,844,276.58         $93,010,988.63            $0.00

     Class B Allocations                                          $518,165.01          $4,895,742.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                        <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                 15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                  1.62%

 (h) Total Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                 16.88%
</TABLE>

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

                        Deposits into the      Deficit Amount
                        SPFAs on this             on this              SPFA          Investment
                        Distribution Date    Distribution Date       Balance          Income

     <S>                    <C>                  <C>                 <C>               <C>
     Series 1995-1           $0.00                0.00                $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                            Total Payments
                         Amount Paid on this        Deficit Amount           through this
                          Distribution Dateon    this Distribution Date    Distribution Date

     <S>                       <C>                      <C>                   <C>
     Series 1995-1             $0.00                    $0.00                   $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution Date          SIFA Balance

     <S>                                  <C>                                 <C>
     Series 1995-1                         $3,070,035.35                       $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                     Cumulative Investor
                                          This Distribution Date      Charged-Off Amount

 <S>                                         <C>                           <C>
 (a) Group One                                $97,073,477.06                $0.00

 (b) Group Two                                $13,946,779.38                $0.00

 (c) Series 1995-1                             $3,454,387.78                $0.00

 (d) Class A                                   $3,281,654.08                $0.00

     Class B                                     $172,733.70                $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                            6.56%                 N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1995-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1995-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1995-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

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

 (d) Class A                                               $1,000,000.00

     Class B                                                  $52,631.67
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1995-1 Class B                $69,473,690.00      11.5789%
</TABLE>

<PAGE>   4


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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $37,894,740.00

 (b) Available Amount                              $0.00   $37,894,740.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $28,179.82
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>


<TABLE>
<CAPTION>
                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding

    <S>                 <C>                     <C>
     30-59 days           $731,165,663.75          2.75%

     60-179 days        $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1995-1 (3)                           5.24%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
     <S>                                                                <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                 5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $93,010,988.63

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $9,844,276.58

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $2,912,000.00

</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,895,742.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $518,165.01

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $158,035.35

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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


<PAGE>   1
                                                                   EXHIBIT (F)



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

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of August  1, 1995 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1995-2 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     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>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

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

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                                   Finance Charge           Principal         Yield Collections /
                                                                    Collections            Collections        Additional Funds

 (a) Allocation of Collections between Investors and Seller

     <S>                                                          <C>                  <C>                          <C>
     Aggregate Investor Allocation.                                $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                             $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                          $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                           $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1995-2 Allocations                                       $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                             $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                               $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                        <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999               15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                1.62%

 (h) Total Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999               16.88%
</TABLE>

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

                        Deposits into the    Deficit Amount
                        SPFAs on this            on this              SPFA          Investment
                        Distribution Date   Distribution Date        Balance          Income

     <S>                    <C>                   <C>                <C>               <C>
     Series 1995-2           $0.00                 0.00               $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                           Total Payments
                         Amount Paid on this         Deficit Amount         through this
                          Distribution Date   on this Distribution Date   Distribution Date

     <S>                       <C>                      <C>                     <C>
     Series 1995-2             $0.00                    $0.00                   $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution Date           SIFA Balance

     <S>                                  <C>                                  <C>
     Series 1995-2                         $2,877,194.17                        $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                           Cumulative Investor
                                          This Distribution DateCharged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1995-2                         $2,878,656.48            $0.00

 (d) Class A                               $2,734,687.88            $0.00

     Class B                                 $143,968.60            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1995-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1995-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1995-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1995-2                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1995-2 Class B                $34,210,540.00       6.8421%
</TABLE>

<PAGE>   4


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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $15,789,480.00

 (b) Available Amount                              $0.00   $15,789,480.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                        $5,425.90
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding

     <S>                <C>                       <C>
     30-59 days           $731,165,663.75          2.75%

     60-179 days        $1,079,701,469.41          4.06%
</TABLE>


<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1995-2 (3)                           4.55%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
    <S>                                                                      <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                    5.81%

</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ---------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.

 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 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                                                                 $16,375,000.02

</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $888,165.00

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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


<PAGE>   1
                                                                     EXHIBIT (G)

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

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of September 28, 1995 relating to
the Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1995-3 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------
     Series  1995-3                                    Total             Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.390000000%        $4.791111111      $4.791111111        $0.000000000

         Class B      32 days at 5.510000000%        $4.897777778      $4.897777778        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

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

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge         Principal         Yield Collections /
                                                        Collections         Collections        Additional Funds

 (a) Allocation of Collections between Investors and Seller

<S>                                                  <C>                  <C>                          <C>
     Aggregate Investor Allocation.                   $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1995-3 Allocations                          $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                  $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                     <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                       1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      16.88%
</TABLE>

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

                        Deposits into the   Deficit Amount
                          SPFAs on this       on this            SPFA       Investment
                        Distribution Date   Distribution Date   Balance       Income

     <S>                    <C>                <C>               <C>           <C>
     Series 1995-3           $0.00              0.00              $0.00         $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                              Total Payments
                           Amount Paid on this       Deficit Amount            through this
                            Distribution Date      on this Distribution    Date Distribution Date

     <S>                          <C>                    <C>                     <C>
     Series 1995-3                 $0.00                  $0.00                   $0.00
</TABLE>

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

                                      Deposits into the SIFA
                                     on this Distribution Date     SIFA Balance

     <S>                                  <C>                        <C>
     Series 1995-3                         $2,524,445.48              $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                              Cumulative Investor
                                  This Distribution Date       Charged-Off Amount

 <S>                                     <C>                               <C>
 (a) Group One                            $97,073,477.06                    $0.00

 (b) Group Two                            $13,946,779.38                    $0.00

 (c) Series 1995-3                         $2,878,656.48                    $0.00

 (d) Class A                               $2,734,687.88                    $0.00

     Class B                                 $143,968.60                    $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                     N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1995-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                            Per $1,000 of original
                                                Total         invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1995-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1995-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1995-3                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

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

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $31,578,960.00

 (b) Available Amount                              $0.00   $31,578,960.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $15,763.95
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>


                             Delinquent Amount           Percentage of Ending
     Payment Status           Ending Balance            Receivables Outstanding

<S>                          <C>                                <C>
     30-59 days                 $731,165,663.75                    2.75%

     60-179 days              $1,079,701,469.41                    4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1995-3 (3)                           5.33%
</TABLE>


17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------

     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999 5.81%


                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- --------------------------------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $2,395,555.56
</TABLE>

<PAGE>   6

<TABLE>
<S>                                                                                                                <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15



10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $128,889.92

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1
                                                                     EXHIBIT (H)

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

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of January 18, 1996 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1996-1 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------


        Series  191                                    Total             Interest           Principal

         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.350000000%        $4.755555556      $4.755555556        $0.000000000

         Class B      32 days at 5.480000000%        $4.871111111      $4.871111111        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

<S>                                                    <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

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

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge          Principal        Yield Collections /
                                                       Collections           Collections       Additional Funds

 (a) Allocation of Collections between Investors and Seller

<S>                                                  <C>                  <C>                    <C>
     Aggregate Investor Allocation.                   $333,037,573.31      $3,146,615,570.09      $0.00

     Seller Allocation:                                $96,262,351.45        $909,508,830.46      $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64      $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45      $0.00

 (d) Series 1996-1 Allocations                         $17,270,306.68        $163,173,828.51      $0.00

 (e) Class A Allocations                               $16,406,984.53        $155,016,962.34      $0.00

     Class B Allocations                                  $863,322.15          $8,156,866.17      $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>  <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                          SPFAs on this       on this           SPFA     Investment
                        Distribution Date  Distribution Date    Balance   Income

     <S>                           <C>                 <C>       <C>         <C>
     Series 1996-1                  $0.00               0.00      $0.00       $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                          Total Payments
                         Amount Paid on this        Deficit Amount         through this
                          Distribution Date    on this Distribution Date  Distribution Date

     <S>                              <C>                         <C>                <C>
     Series 1996-1                     $0.00                       $0.00              $0.00
</TABLE>

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

                                       Deposits into the SIFA
                                       on this Distribution Date     SIFA Balance

     <S>                                          <C>                      <C>
     Series 1996-1                                 $5,011,931.88            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                           Cumulative Investor
                                  This Distribution Date    Charged-Off Amount

 <S>                                     <C>                            <C>
 (a) Group One                            $97,073,477.06                 $0.00

 (b) Group Two                            $13,946,779.38                 $0.00

 (c) Series 1996-1                         $5,757,169.85                 $0.00

 (d) Class A                               $5,469,375.76                 $0.00

     Class B                                 $287,794.09                 $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                  N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

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

 (d) Class A                                               $1,666,666.67

     Class B                                                  $87,720.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount
     <S>                                <C>                  <C>
     Series 1996-1 Class B               $105,263,200.00      10.5263%
</TABLE>

<PAGE>   4

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

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

 (b) Available Amount                              $0.00   $57,894,760.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $19,894.75
</TABLE>

<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------
     <S>                                                                             <C>
     Master Trust Receivables Outstanding at the end of July, 1999                    $26,607,836,785.44

                                        Delinquent Amount     Percentage of Ending
     Payment Status                     Ending Balance        Receivables Outstanding

     30-59 days                              $731,165,663.75          2.75%

     60-179 days                           $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------
 <S>                                                                 <C>
 (a) Group One (2)                                                    5.29%

 (b) Group Two (2)                                                    5.59%

 (c) sSeries 1996-1 (3)                                               5.39%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                  <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999             5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President
- -------------------------------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $155,016,962.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $16,406,984.53

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $4,755,555.56

</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $8,156,866.17

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $863,322.15

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $256,376.32

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1
                                                                     EXHIBIT (I)

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

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of January 29, 1996 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1996-2 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------
     Series  1996-2                                       Total             Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.400000000%        $4.800000000      $4.800000000        $0.000000000

         Class B      32 days at 5.540000000%        $4.924444444      $4.924444444        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

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

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge           Principal     Yield Collections /
                                                       Collections            Collections    Additional Funds

 (a) Allocation of Collections between Investors and Seller

<S>                                                  <C>                  <C>                          <C>
     Aggregate Investor Allocation.                   $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1996-2 Allocations                         $15,543,233.08        $146,856,040.05            $0.00

 (e) Class A Allocations                               $14,766,200.22        $139,514,454.88            $0.00

     Class B Allocations                                  $777,032.86          $7,341,585.17            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                             <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                             15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                              1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                             16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                        SPFAs on this         on this           SPFA     Investment
                        Distribution Date  Distribution Date    Balance   Income
     <S>                    <C>           <C>          <C>           <C>
     Series 1996-2           $0.00         0.00         $0.00         $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                          Total Payments
                         Amount Paid on this        Deficit Amount         through this
                          Distribution Date    on this Distribution Date  Distribution Date

     <S>                              <C>                         <C>                <C>
     Series 1996-2                     $0.00                       $0.00              $0.00
</TABLE>

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

                                       Deposits into the SIFA
                                       on this Distribution Date     SIFA Balance

     <S>                                          <C>                      <C>
     Series 1996-2                                 $4,553,266.01            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                         Cumulative Investor
                                 This Distribution Date   Charged-Off Amount

 <S>                                     <C>                          <C>
 (a) Group One                            $97,073,477.06               $0.00

 (b) Group Two                            $13,946,779.38               $0.00

 (c) Series 1996-2                         $5,181,438.55               $0.00

 (d) Class A                               $4,922,409.56               $0.00

     Class B                                 $259,028.99               $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

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

 (d) Class A                                               $1,500,000.00

     Class B                                                  $78,948.33
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                <C>                  <C>
     Series 1996-2 Class B               $104,210,590.00      11.5790%
</TABLE>

<PAGE>   4

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

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

 (b) Available Amount                              $0.00   $56,842,140.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $30,901.47
</TABLE>

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

     <S>                                                                          <C>
     Master Trust Receivables Outstanding at the end of July, 1999                 $26,607,836,785.44

                                    Delinquent Amount      Percentage of Ending
     Payment Status                 Ending Balance         Receivables Outstanding

     30-59 days                          $731,165,663.75           2.75%

     60-179 days                       $1,079,701,469.41           4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                              <C>
 (a) Group One (2)                                                 5.29%

 (b) Group Two (2)                                                 5.59%

 (c) Series 1996-2 (3)                                             5.32%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------

<S>                                                               <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999          5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- -------------------------------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $139,514,454.88

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $14,766,200.22

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $4,320,000.00

</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $7,341,585.17

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $777,032.86

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $233,266.01

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1
                                                                     EXHIBIT (J)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1996-3 Monthly Statement
                      Class A Certificate CUSIP #25466KAY5
                      Class B Certificate CUSIP #25466KAZ2

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of February 21, 1996 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1996-3 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     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>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------
 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1996-3 Investor Interest                       $631,579,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge          Principal      Yield Collections /
                                                       Collections           Collections     Additional Funds

 (a) Allocation of Collections between Investors and Seller
     <S>                                             <C>                  <C>                          <C>
     Aggregate Investor Allocation.                   $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1996-3 Allocations                         $10,362,441.59         $97,906,730.78            $0.00

 (e) Class A Allocations                                $9,844,276.58         $93,010,988.63            $0.00

     Class B Allocations                                  $518,165.01          $4,895,742.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the     Deficit Amount
                          SPFAs on this          on this          SPFA      Investment
                        Distribution Date     Distribution Date   Balance     Income

     <S>                           <C>                    <C>      <C>          <C>
     Series 1996-3                  $0.00                  0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                          Total Payments
                         Amount Paid on this        Deficit Amount         through this
                          Distribution Date    on this Distribution Date  Distribution Date

     <S>                              <C>                         <C>                <C>
     Series 1996-3                     $0.00                       $0.00              $0.00
</TABLE>

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

                                       Deposits into the SIFA
                                       on this Distribution Date     SIFA Balance
     <S>                                          <C>                      <C>
     Series 1996-3                                 $3,189,473.96            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                         Cumulative Investor
                                  This Distribution Date  Charged-Off Amount

 <S>                                     <C>                          <C>
 (a) Group One                            $97,073,477.06               $0.00

 (b) Group Two                            $13,946,779.38               $0.00

 (c) Series 1996-3                         $3,454,387.78               $0.00

 (d) Class A                               $3,281,654.08               $0.00

     Class B                                 $172,733.70               $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1996-3                                         $1,052,631.67

 (d) Class A                                               $1,000,000.00

     Class B                                                  $52,631.67
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1996-3 Class B                $37,894,740.00       6.3158%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $18,947,370.00

 (b) Available Amount                              $0.00   $18,947,370.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $15,774.17
</TABLE>

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

     <S>                                                                             <C>
     Master Trust Receivables Outstanding at the end of July, 1999                    $26,607,836,785.44

                                       Delinquent Amount     Percentage of Ending
     Payment Status                    Ending Balance        Receivables Outstanding

     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1996-3 (3)                                               5.04%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- -------------------------------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $93,010,988.63

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $9,844,276.58

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 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                                                                 $18,150,000.00

</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>
 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,895,742.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $518,165.01

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $986,843.76

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1
                                                                     EXHIBIT (K)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1996-4 Monthly Statement
                      Class A Certificate CUSIP #25466KBA6
                      Class B Certificate CUSIP #25466KBB4

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of April 30, 1996 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1996-4 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  194                                       Total             Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.555000000%        $4.937777778      $4.937777778        $0.000000000

         Class B      32 days at 5.730000000%        $5.093333333      $5.093333333        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1996-4 Investor Interest                     $1,052,632,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                     Finance Charge          Principal     Yield Collections /
                                                      Collections           Collections    Additional Funds

 (a) Allocation of Collections between Investors and Seller
<S>                                                  <C>                  <C>                          <C>
     Aggregate Investor Allocation.                   $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1996-4 Allocations                         $17,270,306.68        $163,173,828.51            $0.00

 (e) Class A Allocations                               $16,406,984.53        $155,016,962.34            $0.00

     Class B Allocations                                  $863,322.15          $8,156,866.17            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                     <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                        SPFAs on this         on this           SPFA     Investment
                        Distribution Date  Distribution Date    Balance   Income
     <S>                           <C>                 <C>       <C>           <C>
     Series 1996-4                  $0.00               0.00      $0.00         $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                          Total Payments
                         Amount Paid on this        Deficit Amount         through this
                          Distribution Date    on this Distribution Date  Distribution Date

     <S>                              <C>                         <C>                <C>
     Series 1996-4                     $0.00                       $0.00              $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution DateSIFA Balance

     <S>                                  <C>                      <C>
     Series 1996-4                         $5,205,850.10            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                          Cumulative Investor
                                  This Distribution Date   Charged-Off Amount

 <S>                                     <C>                           <C>
 (a) Group One                            $97,073,477.06                $0.00

 (b) Group Two                            $13,946,779.38                $0.00

 (c) Series 1996-4                         $5,757,169.85                $0.00

 (d) Class A                               $5,469,375.76                $0.00

     Class B                                 $287,794.09                $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                 N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1996-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1996-4                                         $1,754,386.67

 (d) Class A                                               $1,666,666.67

     Class B                                                  $87,720.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                <C>                  <C>
     Series 1996-4 Class B               $115,789,520.00      11.5790%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $63,157,920.00

 (b) Available Amount                              $0.00   $63,157,920.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $55,387.56
</TABLE>

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

     <S>                                                                            <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44

                                       Delinquent Amount     Percentage of Ending
     Payment Status                    Ending Balance        Receivables Outstanding

     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1996-4 (3)                                               5.13%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- -------------------------------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $155,016,962.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $16,406,984.53

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $4,937,777.78
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $8,156,866.17

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $863,322.15

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $268,072.32

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 16th day of August, 1999.


                              GREENWOOD TRUST COMPANY
                                as Master Servicer

                              By:___________________
                              Vice President, Chief Accounting Officer,
                              and Treasurer
</TABLE>

<PAGE>   1
                                                                     EXHIBIT (L)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1997-1 Monthly Statement
                      Class A Certificate CUSIP #25466KBD0
                      Class B Certificate CUSIP #25466KBE8

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of August 26, 1997 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1997-1 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1997-1                                    Total             Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.270000000%        $4.684444444      $4.684444444        $0.000000000

         Class B      32 days at 5.450000000%        $4.844444444      $4.844444444        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1997-1 Investor Interest                       $789,474,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------
                                                      Finance Charge         Principal       Yield Collections /
                                                       Collections          Collections      Additional Funds
 <S>                                                 <C>                  <C>                          <C>

 (a) Allocation of Collections between Investors and Seller

     Aggregate Investor Allocation.                   $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1997-1 Allocations                         $12,952,837.33        $122,381,385.41            $0.00

 (e) Class A Allocations                               $12,305,023.74        $116,260,693.69            $0.00

     Class B Allocations                                  $647,813.59          $6,120,691.72            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                           SPFAs on this     on this            SPFA     Investment
                        Distribution Date  Distribution Date   Balance     Income

     <S>                           <C>                 <C>      <C>          <C>
     Series 1997-1                  $0.00               0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                         Total Payments
                         Amount Paid on this       Deficit Amount          through this
                          Distribution Date    on this Distribution Date Distribution Date

     <S>                             <C>                         <C>               <C>
     Series 1997-1                    $0.00                       $0.00             $0.00
</TABLE>

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

                               Deposits into the SIFA
                               on this Distribution Date      SIFA Balance

     <S>                                  <C>                       <C>
     Series 1997-1                         $3,704,562.93             $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                               Cumulative Investor
                                  This Distribution Date        Charged-Off Amount
 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1997-1                         $4,317,913.16            $0.00

 (d) Class A                               $4,101,960.26            $0.00

     Class B                                 $215,952.90            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>


<PAGE>   3


<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1997-1                                         $1,315,790.00

 (d) Class A                                               $1,250,000.00

     Class B                                                  $65,790.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1997-1 Class B                $98,684,250.00      13.1579%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $59,210,550.00

 (b) Available Amount                              $0.00   $59,210,550.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $32,189.03
</TABLE>

<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------
     <S>                                                                             <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                                        Delinquent Amount   Percentage of Ending
     Payment Status                     Ending Balance      Receivables Outstanding
     <S>                                  <C>                        <C>

     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1997-1 (3)                                               5.45%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- -------------------------------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $116,260,693.69

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $12,305,023.74

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 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                                                                  $3,513,333.33
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $6,120,691.72

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $647,813.59

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $191,229.60

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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



<PAGE>   1

                                                                     EXHIBIT (M)
                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1997-2 Monthly Statement
                      Class A Certificate CUSIP #25466KBF5
                      Class B Certificate CUSIP #25466KBG3

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of October 15, 1997 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1997-2 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     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      32 days at 5.580000000%        $4.960000000      $4.960000000        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1997-2 Investor Interest                       $526,316,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge         Principal       Yield Collections /
                                                       Collections          Collections      Additional Funds
 <S>                                                  <C>                  <C>                          <C>

 (a) Allocation of Collections between Investors and Seller

     Aggregate Investor Allocation                    $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation                                 $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1997-2 Allocations                          $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                  $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                           SPFAs on this     on this            SPFA     Investment
                        Distribution Date  Distribution Date   Balance     Income

     <S>                           <C>                 <C>      <C>          <C>
     Series 1997-2                  $0.00               0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                                                Total Payments
                    Amount Paid         PSA Index       Monthly         Deficit Amount            through this
             this Distribution Date       Rate*     Amortization Rate*  this Distribution Date  Distribution Date

     <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

     *Rates are only applicable during the Class A Controlled Liquidation Period.
</TABLE>

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

                                  Deposits into the SIFA
                                 on this Distribution Date   SIFA Balance

     <S>                                  <C>                      <C>
     Series 1997-2                         $2,960,527.36            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                               Cumulative Investor
                                  This Distribution Date        Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1997-2                         $2,878,656.48            $0.00

 (d) Class A                               $2,734,687.88            $0.00

     Class B                                 $143,968.60            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series  1997-2                                $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1997-2                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1997-2 Class B                $47,368,440.00       9.4737%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $21,052,640.00

 (b) Available Amount                              $0.00   $21,052,640.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $18,462.54
</TABLE>

<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------
     <S>                                                                             <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                                        Delinquent Amount   Percentage of Ending
     Payment Status                     Ending Balance      Receivables Outstanding
    <S>                                   <C>                        <C>

    30-59 days                              $731,165,663.75          2.75%

    60-179 days                           $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                  <C>
 (a) Group One (2)                                                    5.29%

 (b) Group Two (2)                                                    5.59%

 (c) Series 1997-2 (3)                                                4.33%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>
                              U.S. BANK NATIONAL ASSOCIATION
                              as Trustee

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

                                        Vice President

- ----------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $2,830,000.00
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $130,527.36

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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


<PAGE>   1

                                                                     EXHIBIT (N)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1997-3 Monthly Statement
                      Class A Certificate CUSIP #25466KBH1
                      Class B Certificate CUSIP #25466KBJ7

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of October 23, 1997 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1997-3 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1997-3                                    Total             Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.310000000%        $4.720000000      $4.720000000        $0.000000000

         Class B      32 days at 5.490000000%        $4.880000000      $4.880000000        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1997-3 Investor Interest                       $684,211,000.00

 (e) Class A Investor Interest                             $650,000,000.00

     Class B Investor Interest                              $34,211,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge          Principal         Yield Collections /
                                                       Collections           Collections        Additional Funds
 <S>                                                  <C>                  <C>                          <C>

 (a) Allocation of Collections between Investors and Seller

     Aggregate Investor Allocation                    $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation                                 $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1997-3 Allocations                         $11,225,763.73        $106,063,596.95            $0.00

 (e) Class A Allocations                               $10,664,668.73        $100,762,242.36            $0.00

     Class B Allocations                                  $561,095.00          $5,301,354.59            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                           SPFAs on this     on this            SPFA     Investment
                        Distribution Date  Distribution Date   Balance     Income

     <S>                           <C>                 <C>      <C>          <C>
     Series 1997-3                  $0.00               0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                          Total Payments
                         Amount Paid on this        Deficit Amount          through this
                          Distribution Date     on this Distribution Date Distribution Date

     <S>                          <C>              <C>               <C>
     Series 1997-3                 $0.00            $0.00             $0.00
</TABLE>

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

                               Deposits into the SIFA
                               on this Distribution Date     SIFA Balance

     <S>                                  <C>                      <C>
     Series 1997-3                         $3,234,949.68            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                               Cumulative Investor
                                  This Distribution Date        Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1997-3                         $3,742,181.87            $0.00

 (d) Class A                               $3,555,137.18            $0.00

     Class B                                 $187,044.69            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal
 <S>                                              <C>            <C>
 (a) Group One                                     $0.00          $0.00

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1997-3                                         $1,140,351.66

 (d) Class A                                               $1,083,333.33

     Class B                                                  $57,018.33
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1997-3 Class B                $85,526,375.00      13.1579%
</TABLE>
<PAGE>   4


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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $51,315,825.00

 (b) Available Amount                              $0.00   $51,315,825.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $38,160.34
</TABLE>

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

     <S>                                                                            <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>
<TABLE>
<CAPTION>
                                        Delinquent Amount   Percentage of Ending
     Payment Status                     Ending Balance      Receivables Outstanding
     <S>                                   <C>                       <C>
     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1997-3 (3)                                               5.38%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- -------------------------------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $100,762,242.36

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $10,664,668.73

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 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                                                                  $3,068,000.00
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $5,301,354.59

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $561,095.00

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $166,949.68

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.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1

                                                                     EXHIBIT (O)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1997-4 Monthly Statement
                      Class A Certificate CUSIP #25466KBK4
                      Class B Certificate CUSIP #25466KBL2

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of October 31, 1997 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1997-4 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1997-4                                    Total             Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.250000000%        $4.666666667      $4.666666667        $0.000000000

         Class B      32 days at 5.430000000%        $4.826666667      $4.826666667        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1997-4 Investor Interest                       $789,474,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge         Principal       Yield Collections /
                                                       Collections          Collections      Additional Funds

 (a) Allocation of Collections between Investors and Seller

 <S>                                                  <C>                  <C>                          <C>
     Aggregate Investor Allocation                    $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation                                 $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1997-4 Allocations                         $12,952,837.33        $122,381,385.41            $0.00

 (e) Class A Allocations                               $12,305,023.74        $116,260,693.69            $0.00

     Class B Allocations                                  $647,813.59          $6,120,691.72            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                           SPFAs on this     on this            SPFA     Investment
                        Distribution Date  Distribution Date   Balance     Income

     <S>                           <C>                 <C>      <C>          <C>
     Series 1997-4                  $0.00               0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                           Total Payments
                         Amount Paid on this        Deficit Amount           through this
                          Distribution Date     on this Distribution Date  Distribution Date

     <S>                          <C>                    <C>                    <C>
     Series 1997-4                 $0.00                 $0.00                  $0.00
</TABLE>

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

                               Deposits into the SIFA
                               on this Distribution Date   SIFA Balance

     <S>                                  <C>               <C>
     Series 1997-4                         $3,690,527.84     $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                          Cumulative Investor
                                  This Distribution Date   Charged-Off Amount

 <S>                                     <C>                           <C>
 (a) Group One                            $97,073,477.06                $0.00

 (b) Group Two                            $13,946,779.38                $0.00

 (c) Series 1997-4                         $4,317,913.16                $0.00

 (d) Class A                               $4,101,960.26                $0.00

     Class B                                 $215,952.90                $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                 N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1997-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1997-4                                         $1,315,790.00

 (d) Class A                                               $1,250,000.00

     Class B                                                  $65,790.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1997-4 Class B                $98,684,250.00      13.1579%
</TABLE>
<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $59,210,550.00

 (b) Available Amount                              $0.00   $59,210,550.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $20,346.91
</TABLE>

<TABLE>
<CAPTION>
15.  Delinquency Summary
     -------------------
     <S>                                                                             <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                                        Delinquent Amount   Percentage of Ending
     Payment Status                     Ending Balance      Receivables Outstanding
     <S>                                  <C>                        <C>

     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1997-4 (3)                                               5.48%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ------------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $116,260,693.69

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $12,305,023.74

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 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                                                                  $3,500,000.00
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $6,120,691.72

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $647,813.59

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $190,527.84

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1




                                                                     EXHIBIT (P)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1998-1 Monthly Statement
                      Class A Certificate CUSIP #25466KBM0
                      Class B Certificate CUSIP #25466KBN8

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of January 14, 1998 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1998-1 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1998-1                                    Total             Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.270000000%        $4.684444444      $4.684444444        $0.000000000

         Class B      32 days at 5.450000000%        $4.844444444      $4.844444444        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1998-1 Investor Interest                       $368,422,000.00

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

     Class B Investor Interest                              $18,422,000.00
</TABLE>

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge         Principal       Yield Collections /
                                                       Collections          Collections      Additional Funds

<S>                                                   <C>                  <C>                          <C>

(a) Allocation of Collections between Investors and Seller

     Aggregate Investor Allocation                    $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocatio                                  $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1998-1 Allocations                          $6,044,542.94         $57,110,231.56            $0.00

 (e) Class A Allocations                                $5,742,315.80         $54,254,719.98            $0.00

     Class B Allocations                                  $302,227.14          $2,855,511.58            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                           SPFAs on this     on this            SPFA     Investment
                        Distribution Date  Distribution Date   Balance     Income

     <S>                           <C>                 <C>      <C>          <C>
     Series 1998-1                  $0.00               0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                          Total Payments
                         Amount Paid on this        Deficit Amount          through this
                          Distribution Date     on this Distribution Date Distribution Date

     <S>                          <C>              <C>               <C>
     Series 1998-1                 $0.00            $0.00             $0.00
</TABLE>

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

                               Deposits into the SIFA
                               on this Distribution Date     SIFA Balance

     <S>                                  <C>                      <C>
     Series 1998-1                         $1,728,799.92            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                               Cumulative Investor
                                  This Distribution Date        Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1998-1                         $2,014,987.98            $0.00

 (d) Class A                               $1,914,238.58            $0.00

     Class B                                 $100,749.40            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1998-1                                           $614,036.66

 (d) Class A                                                 $583,333.33

     Class B                                                  $30,703.33
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1998-1 Class B                $46,052,750.00      13.1579%
</TABLE>
<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $27,631,650.00

 (b) Available Amount                              $0.00   $27,631,650.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                        $9,495.26
</TABLE>

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

     <S>                                                                            <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>
<TABLE>
<CAPTION>
                                        Delinquent Amount   Percentage of Ending
     Payment Status                     Ending Balance      Receivables Outstanding
     <S>                                <C>                 <C>
     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1998-1 (3)                                               5.46%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ----------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $54,254,719.98

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $5,742,315.80

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $1,639,555.56
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $2,855,511.58

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $302,227.14

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                     $89,244.36

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1

                                                                     EXHIBIT (Q)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1998-2 Monthly Statement
                      Class A Certificate CUSIP #25466KBP3
                      Class B Certificate CUSIP #25466KBQ1

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of March  4, 1998 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1998-2 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     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>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1998-2 Investor Interest                       $526,316,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge         Principal       Yield Collections /
                                                       Collections          Collections      Additional Funds

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

     Aggregate Investor Allocation                    $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation                                 $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1998-2 Allocations                          $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                  $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                           SPFAs on this     on this            SPFA     Investment
                        Distribution Date  Distribution Date   Balance     Income

     <S>                           <C>                 <C>      <C>          <C>
     Series 1998-2                  $0.00               0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                          Total Payments
                         Amount Paid on this        Deficit Amount          through this
                          Distribution Date     on this Distribution Date Distribution Date

     <S>                          <C>              <C>               <C>
     Series 1998-2                 $0.00            $0.00             $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution DateSIFA Balance

     <S>                                  <C>             <C>
     Series 1998-2                         $2,547,150.17   $12,735,750.85
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                               Cumulative Investor
                                  This Distribution Date        Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1998-2                         $2,878,656.48            $0.00

 (d) Class A                               $2,734,687.88            $0.00

     Class B                                 $143,968.60            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1998-2                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1998-2 Class B                $44,736,860.00       8.9474%
</TABLE>
<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $21,052,640.00

 (b) Available Amount                              $0.00   $21,052,640.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                        $7,234.46
</TABLE>

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

     <S>                                                                            <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>
<TABLE>
<CAPTION>
                                        Delinquent Amount   Percentage of Ending
     Payment Status                     Ending Balance      Receivables Outstanding
<S>                                      <C>                         <C>
     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1998-2 (3)                                               5.30%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- -----------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.

<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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


<PAGE>   1


                                                                     EXHIBIT (R)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1998-3 Monthly Statement
                      Class A Certificate CUSIP #25466KBR9
                      Class B Certificate CUSIP #25466KBS7

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of March 25, 1998 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1998-3 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1998-3                                    Total             Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.305000000%        $4.715555556      $4.715555556        $0.000000000

         Class B      32 days at 5.470000000%        $4.862222222      $4.862222222        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1998-3 Investor Interest                       $789,474,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                      Finance Charge         Principal       Yield Collections /
                                                       Collections          Collections      Additional Funds

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

     Aggregate Investor Allocation                    $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation                                 $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                             $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                              $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1998-3 Allocations                         $12,952,837.33        $122,381,385.41            $0.00

 (e) Class A Allocations                               $12,305,023.74        $116,260,693.69            $0.00

     Class B Allocations                                  $647,813.59          $6,120,691.72            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                           SPFAs on this     on this            SPFA     Investment
                        Distribution Date  Distribution Date   Balance     Income

     <S>                           <C>                 <C>      <C>          <C>
     Series 1998-3                  $0.00               0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                             Total Payments
                         Amount Paid on this        Deficit Amount             through this
                          Distribution Date     on this Distribution Date    Distribution Date

     <S>                          <C>                 <C>                        <C>
     Series 1998-3                 $0.00               $0.00                      $0.00
</TABLE>

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

                               Deposits into the SIFA
                               on this Distribution Date      SIFA Balance

     <S>                                  <C>                      <C>
     Series 1998-3                         $3,728,598.03            $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                               Cumulative Investor
                                  This Distribution Date        Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1998-3                         $4,317,913.16            $0.00

 (d) Class A                               $4,101,960.26            $0.00

     Class B                                 $215,952.90            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1998-3                                         $1,315,790.00

 (d) Class A                                               $1,250,000.00

     Class B                                                  $65,790.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1998-3 Class B                $98,684,250.00      13.1579%
</TABLE>
<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $59,210,550.00

 (b) Available Amount                              $0.00   $59,210,550.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $32,189.03
</TABLE>

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

     <S>                                                                            <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>
<TABLE>
<CAPTION>
                                        Delinquent Amount   Percentage of Ending
     Payment Status                     Ending Balance      Receivables Outstanding
<S>                                     <C>                 <C>
     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1998-3 (3)                                               5.41%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ----------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $116,260,693.69

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $12,305,023.74

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 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                                                                  $3,536,666.67
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $6,120,691.72

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $647,813.59

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $191,931.36

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1

                                                                     EXHIBIT (S)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1998-4 Monthly Statement
                      Class A Certificate CUSIP #25466KBT5
                      Class B Certificate CUSIP #25466KBU2

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of April  9, 1998 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1998-4 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     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>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1998-4 Investor Interest                       $526,316,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                              Finance Charge         Principal       Yield Collections /
                                                               Collections          Collections      Additional Funds

  <S>                                                        <C>                  <C>                          <C>

 (a) Allocation of Collections between Investors and Seller

     Aggregate Investor Allocation                            $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation                                         $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                     $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                      $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1998-4 Allocations                                  $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                        $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                          $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                           SPFAs on this     on this            SPFA     Investment
                        Distribution Date  Distribution Date   Balance     Income

     <S>                           <C>                 <C>      <C>          <C>
     Series 1998-4                  $0.00               0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                             Total Payments
                         Amount Paid on this        Deficit Amount             through this
                          Distribution Date     on this Distribution Date    Distribution Date

     <S>                          <C>                  <C>                      <C>
     Series 1998-4                 $0.00                $0.00                     $0.00
</TABLE>

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

                               Deposits into the SIFA
                               on this Distribution Date    SIFA Balance

     <S>                                  <C>             <C>
     Series 1998-4                         $2,525,220.33   $10,100,881.32
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                               Cumulative Investor
                                  This Distribution Date        Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1998-4                         $2,878,656.48            $0.00

 (d) Class A                               $2,734,687.88            $0.00

     Class B                                 $143,968.60            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1998-4                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1998-4 Class B                $44,736,860.00       8.9474%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $21,052,640.00

 (b) Available Amount                              $0.00   $21,052,640.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                        $7,234.47
</TABLE>

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

     <S>                                                                            <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                                        Delinquent Amount   Percentage of Ending
     Payment Status                     Ending Balance      Receivables Outstanding

    <S>                                  <C>                        <C>
     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1998-4 (3)                                               5.35%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- -----------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<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 August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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


<PAGE>   1

                                                                     EXHIBIT (T)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1998-6 Monthly Statement
                      Class A Certificate CUSIP #25466KBY4
                      Class B Certificate CUSIP #25466KBZ1

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of July 30, 1998 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1998-6 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1998-6                                    Total             Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      30 days at 5.850000000%        $4.875000000      $4.875000000        $0.000000000

         Class B      30 days at 6.050000000%        $5.041666667      $5.041666667        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1998-6 Investor Interest                       $526,316,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                              Finance Charge         Principal       Yield Collections /
                                                               Collections          Collections      Additional Funds

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

     Aggregate Investor Allocation                            $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation                                         $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                     $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                      $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1998-6 Allocations                                  $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                        $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                          $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                    <C>
 (f) Principal Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     15.26%

 (g) Finance Charge Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                      1.62%

 (h) Total Collections as a monthly percentage of Master Trust Receivables
     at the beginning of July, 1999                                                     16.88%
</TABLE>

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

                        Deposits into the  Deficit Amount
                           SPFAs on this     on this            SPFA     Investment
                        Distribution Date  Distribution Date   Balance     Income

     <S>                           <C>                 <C>      <C>          <C>
     Series 1998-6                  $0.00               0.00     $0.00        $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                               Total Payments
                         Amount Paid on this        Deficit Amount               through this
                          Distribution Date     on this Distribution Date      Distribution Date

     <S>                          <C>              <C>                          <C>
     Series 1998-6                 $0.00            $0.00                        $0.00
</TABLE>

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

                                  Deposits into the SIFA
                                    on this Distribution Date   SIFA Balance

     <S>                                  <C>                 <C>
     Series 1998-6                         $2,570,176.50       $2,570,176.50
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                               Cumulative Investor
                                  This Distribution Date        Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1998-6                         $2,878,656.48            $0.00

 (d) Class A                               $2,734,687.88            $0.00

     Class B                                 $143,968.60            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-6                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-6                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-6                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1998-6                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1998-6 Class B                $44,736,860.00       8.9474%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $21,052,640.00

 (b) Available Amount                              $0.00   $21,052,640.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $11,444.85
</TABLE>

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

     <S>                                                                            <C>
     Master Trust Receivables Outstanding at the end of July, 1999                   $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                                        Delinquent Amount   Percentage of Ending
     Payment Status                     Ending Balance      Receivables Outstanding
     <S>                                <C>                 <C>
     30-59 days                             $731,165,663.75          2.75%

     60-179 days                          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                                                <C>
 (a) Group One (2)                                                   5.29%

 (b) Group Two (2)                                                   5.59%

 (c) Series 1998-6 (3)                                               5.24%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
<S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999            5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- -----------------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<PAGE>   5



                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1998-6 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of July 30, 1998 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1998-6 Master Trust Certificates for the Distribution Date
occurring on August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1
                                                                EXHIBIT (U)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1998-7 Monthly Statement
                      Class A Certificate CUSIP #25466KCA5
                      Class B Certificate CUSIP #25466KCB3

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of November 12, 1998 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1998-7 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1998-7                                    Total            Interest             Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      30 days at 5.600000000%        $4.666666667      $4.666666667        $0.000000000

         Class B      30 days at 5.900000000%        $4.916666667      $4.916666667        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1998-7 Investor Interest                     $1,052,632,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                                 Finance Charge        Principal          Yield Collections /
                                                                  Collections         Collections         Additional Funds

 (a) Allocation of Collections between Investors and Seller

 <S>                                                          <C>                  <C>                          <C>
     Aggregate Investor Allocation.                            $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                         $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                      $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                       $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1998-7 Allocations                                  $17,270,306.68        $163,173,828.51            $0.00

 (e) Class A Allocations                                        $16,406,984.53        $155,016,962.34            $0.00

     Class B Allocations                                           $863,322.15          $8,156,866.17            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                              <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                     15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                     1.62%

 (h) Total Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                     16.88%
</TABLE>

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

                        Deposits into the        Deficit Amount
                          SPFAs on this            on this            SPFA          Investment
                       Distribution Date        Distribution Date     Balance        Income

     <S>                    <C>                      <C>             <C>              <C>
     Series 1998-7           $0.00                    0.00            $0.00            $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                           Total Payments
                         Amount Paid on this      Deficit Amount            through this
                          Distribution Date    on this Distribution Date   Distribution Date

     <S>                          <C>                 <C>                      <C>
     Series 1998-7                 $0.00               $0.00                    $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution Date              SIFA Balance

     <S>                                    <C>                              <C>
     Series 1998-7                           $4,925,440.67                    $14,776,322.01
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                Cumulative Investor
                                      This Distribution Date   Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1998-7                         $5,757,169.85            $0.00

 (d) Class A                               $5,469,375.76            $0.00

     Class B                                 $287,794.09            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-7                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-7                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1998-7                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1998-7                                         $1,754,386.67

 (d) Class A                                               $1,666,666.67

     Class B                                                  $87,720.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1998-7 Class B                $89,473,720.00       8.9474%
</TABLE>

<PAGE>   4


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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $42,105,280.00

 (b) Available Amount                              $0.00   $42,105,280.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $27,568.35
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>


<TABLE>
<CAPTION>
                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding

     <S>                 <C>                        <C>
     30-59 days             $731,165,663.75          2.75%

     60-179 days          $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1998-7 (3)                           5.48%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------
     <S>                                                                  <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                  5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ---------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<PAGE>   5

                   MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1998-7 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of November 12, 1998 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1998-7 Master Trust Certificates for the Distribution Date
occurring on August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $155,016,962.34

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $16,406,984.53

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $8,156,866.17

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $863,322.15

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1

                                                                EXHIBIT (V)




                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1999-1 Monthly Statement
                      Class A Certificate CUSIP #25466KCC1
                      Class B Certificate CUSIP #25466KCD9

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of February  9, 1999 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1999-1 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1999-1                                     Total           Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      30 days at 5.300000000%        $4.416666667      $4.416666667        $0.000000000

         Class B      30 days at 5.550000000%        $4.625000000      $4.625000000        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1999-1 Investor Interest                       $526,316,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                             Finance Charge         Principal         Yield Collections /
                                                              Collections          Collections        Additional Funds

 (a) Allocation of Collections between Investors and Seller

 <S>                                                       <C>                  <C>                          <C>
     Aggregate Investor Allocation.                         $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                      $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                   $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                    $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1999-1 Allocations                                $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                      $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                        $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
 <S>                                                                                      <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                                1.62%

 (h) Total Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               16.88%
</TABLE>

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

                        Deposits into the      Deficit Amount
                          SPFAs on this            on this           SPFA          Investment
                        Distribution Date    Distribution Date      Balance        Income

     <S>                    <C>                  <C>                <C>              <C>
     Series 1999-1           $0.00                0.00               $0.00            $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                         Total Payments
                         Amount Paid on this      Deficit Amount           through this
                          Distribution Date   on this Distribution Date   Distribution Date

     <S>                          <C>                 <C>                     <C>
     Series 1999-1                 $0.00               $0.00                   $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution Date       SIFA Balance

     <S>                                  <C>                               <C>
     Series 1999-1                         $2,330,044.83                     $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                   Cumulative Investor
                                          This Distribution Date    Charged-Off Amount

 <S>                                     <C>                               <C>
 (a) Group One                            $97,073,477.06                    $0.00

 (b) Group Two                            $13,946,779.38                    $0.00

 (c) Series 1999-1                         $2,878,656.48                    $0.00

 (d) Class A                               $2,734,687.88                    $0.00

     Class B                                 $143,968.60                    $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                     N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-1                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1999-1                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1999-1 Class B                $44,736,860.00       8.9474%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $21,052,640.00

 (b) Available Amount                              $0.00   $21,052,640.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $10,041.48
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding

     <S>                <C>                       <C>
     30-59 days           $731,165,663.75          2.75%

     60-179 days        $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1999-1 (3)                           5.79%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------

     <S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                 5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President
- --------------


 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<PAGE>   5


                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1999-1 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of February  9, 1999 (the "Series Supplement")
by and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1999-1 Master Trust Certificates for the Distribution Date
occurring on August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 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                                                                 $13,691,666.65
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $754,611.30

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.
</TABLE>

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1

                                                                EXHIBIT (W)

                    MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1999-2 Monthly Statement
                      Class A Certificate CUSIP #25466KCE7
                      Class B Certificate CUSIP #25466KCF4

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of March 10, 1999 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1999-2 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1999-2                                       Total          Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      30 days at 5.900000000%        $4.916666667      $4.916666667        $0.000000000

         Class B      30 days at 6.100000000%        $5.083333333      $5.083333333        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1999-2 Investor Interest                       $526,316,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                          Finance Charge         Principal          Yield Collections /
                                                           Collections          Collections         Additional Funds

 (a) Allocation of Collections between Investors and Seller

 <S>                                                     <C>                  <C>                          <C>
     Aggregate Investor Allocation.                       $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                    $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                 $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                  $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1999-2 Allocations                              $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                    $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                      $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
 <S>                                                                                     <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                                1.62%

 (h) Total Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               16.88%
</TABLE>

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

                        Deposits into the      Deficit Amount
                          SPFAs on this           on this              SPFA          Investment
                        Distribution Date    Distribution Date        Balance        Income

     <S>                       <C>                 <C>                <C>             <C>
     Series 1999-2              $0.00               0.00               $0.00           $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                           Total Payments
                         Amount Paid on this        Deficit Amount           through this
                          Distribution Date   on this Distribution Date   Distribution Date

     <S>                          <C>                <C>                      <C>
     Series 1999-2                 $0.00              $0.00                    $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution Date            SIFA Balance

     <S>                                  <C>                             <C>
     Series 1999-2                         $2,592,106.33                   $13,392,549.38
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                 Cumulative Investor
                                          This Distribution Date  Charged-Off Amount

 <S>                                     <C>                       <C>
 (a) Group One                            $97,073,477.06            $0.00

 (b) Group Two                            $13,946,779.38            $0.00

 (c) Series 1999-2                         $2,878,656.48            $0.00

 (d) Class A                               $2,734,687.88            $0.00

     Class B                                 $143,968.60            $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%             N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-2                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1999-2                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1999-2 Class B                $44,736,860.00       8.9474%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $21,052,640.00

 (b) Available Amount                              $0.00   $21,052,640.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $10,041.49
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding

     <S>                <C>                       <C>
     30-59 days           $731,165,663.75          2.75%

     60-179 days        $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1999-2 (3)                           5.19%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------

     <S>                                                                    <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                    5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ------------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<PAGE>   5



                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1999-2 Monthly Statement

                                  CREDIT CARD
                           PASS-THROUGH CERTIFICATES

     The undersigned, a duly authorized representative of Greenwood Trust
Company ("Greenwood"), as Master Servicer pursuant to the Pooling & Servicing
Agreement dated as of October 1, 1993 (the"Pooling & Servicing Agreement") and
the Series Supplement, dated as of March 10, 1999 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1999-2 Master Trust Certificates for the Distribution Date
occurring on August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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

<PAGE>   1


                                                                EXHIBIT (X)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1999-3 Monthly Statement
                      Class A Certificate CUSIP #25466KCG2
                      Class B Certificate CUSIP #25466KCH0

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of April  6, 1999 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1999-3 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1999-3                                    Total             Interest            Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.290000000%        $4.702222222      $4.702222222        $0.000000000

         Class B      32 days at 5.490000000%        $4.880000000      $4.880000000        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1999-3 Investor Interest                       $526,316,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                                Finance Charge           Principal         Yield Collections /
                                                                 Collections            Collections        Additional Funds

 (a) Allocation of Collections between Investors and Seller

 <S>                                                             <C>                  <C>                          <C>
     Aggregate Investor Allocation.                               $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                            $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                         $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                          $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1999-3 Allocations                                      $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                            $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                              $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                        <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                                1.62%

 (h) Total Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               16.88%
</TABLE>

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

                        Deposits into the    Deficit Amount
                        SPFAs on this           on this                SPFA          Investment
                        Distribution Date  Distribution Date          Balance        Income

     <S>                     <C>               <C>                   <C>               <C>
     Series 1999-3            $0.00             0.00                  $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                           Total Payments
                         Amount Paid on this         Deficit Amount          through this
                          Distribution Date    on this Distribution Date   Distribution Date

     <S>                          <C>                  <C>                    <C>
     Series 1999-3                 $0.00                $0.00                  $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution Date     SIFA Balance

     <S>                                  <C>                            <C>
     Series 1999-3                         $2,479,533.19                  $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                    Cumulative Investor
                                   This Distribution Date           Charged-Off Amount

 <S>                                     <C>                                     <C>
 (a) Group One                            $97,073,477.06                          $0.00

 (b) Group Two                            $13,946,779.38                          $0.00

 (c) Series 1999-3                         $2,878,656.48                          $0.00

 (d) Class A                               $2,734,687.88                          $0.00

     Class B                                 $143,968.60                          $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                           N/A
</TABLE>

<PAGE>   3


<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-3                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1999-3                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1999-3 Class B                $65,789,500.00      13.1579%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $39,473,700.00

 (b) Available Amount                              $0.00   $39,473,700.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $18,827.79
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                               Delinquent Amount  Percentage of Ending
     Payment Status            Ending Balance     Receivables Outstanding

     <S>                      <C>                       <C>
     30-59 days                  $731,165,663.75          2.75%

     60-179 days               $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1999-3 (3)                           5.43%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------

     <S>                                                                 <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                 5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President

- ---------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<PAGE>   5

                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1999-3 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 April  6, 1999 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1999-3 Master Trust Certificates for the Distribution Date
occurring on August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $2,351,111.11
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $128,422.08

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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


<PAGE>   1

                                                                EXHIBIT (Y)


                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1999-4 Monthly Statement
                      Class A Certificate CUSIP #25466KCJ6
                      Class B Certificate CUSIP #25466KCK3

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of April 27, 1999 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1999-4 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1999-4                                     Total            Interest           Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      30 days at 5.650000000%        $4.708333333      $4.708333333        $0.000000000

         Class B      30 days at 5.850000000%        $4.875000000      $4.875000000        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1999-4 Investor Interest                       $894,737,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                              Finance Charge        Principal        Yield Collections /
                                                               Collections         Collections       Additional Funds

 (a) Allocation of Collections between Investors and Seller

 <S>                                                        <C>                  <C>                      <C>
     Aggregate Investor Allocation.                          $333,037,573.31      $3,146,615,570.09        $0.00

     Seller Allocation:                                       $96,262,351.45        $909,508,830.46        $0.00

 (b) Group One Allocation                                    $291,200,149.14      $2,751,325,966.64        $0.00

 (c) Group Two Allocation                                     $41,837,424.17        $395,289,603.45        $0.00

 (d) Series 1999-4 Allocations                                $14,679,910.93        $138,699,173.87        $0.00

 (e) Class A Allocations                                      $13,945,808.06        $131,763,201.15        $0.00

     Class B Allocations                                         $734,102.87          $6,935,972.72        $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                      <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                                1.62%

 (h) Total Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               16.88%
</TABLE>

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

                        Deposits into the     Deficit Amount
                          SPFAs on this          on this              SPFA          Investment
                        Distribution Date   Distribution Date        Balance        Income

     <S>                       <C>               <C>                 <C>              <C>
     Series 1999-4              $0.00             0.00                $0.00            $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                            Total Payments
                         Amount Paid on this        Deficit Amount           through this
                          Distribution Date   on this Distribution Date    Distribution Date

     <S>                          <C>                 <C>                       <C>
     Series 1999-4                 $0.00               $0.00                     $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution Date       SIFA Balance

     <S>                                  <C>                          <C>
     Series 1999-4                         $4,220,176.21                $15,192,634.36
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                Cumulative Investor
                                   This Distribution Date       Charged-Off Amount

 <S>                                     <C>                                 <C>
 (a) Group One                            $97,073,477.06                      $0.00

 (b) Group Two                            $13,946,779.38                      $0.00

 (c) Series 1999-4                         $4,893,644.46                      $0.00

 (d) Class A                               $4,648,926.46                      $0.00

     Class B                                 $244,718.00                      $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                       N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-4                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1999-4                                         $1,491,228.34

 (d) Class A                                               $1,416,666.67

     Class B                                                  $74,561.67
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                  <C>
     Series 1999-4 Class B                $76,052,645.00       8.9474%
</TABLE>

<PAGE>   4

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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $35,789,480.00

 (b) Available Amount                              $0.00   $35,789,480.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $17,070.52
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding

     <S>               <C>                       <C>
     30-59 days          $731,165,663.75          2.75%

     60-179 days       $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1999-4 (3)                           5.44%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------

     <S>                                                                <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President
- -----------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<PAGE>   5


                   MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1999-4 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 27, 1999 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1999-4 Master Trust Certificates for the Distribution Date
occurring on August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                      $131,763,201.15

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                $13,945,808.06

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $6,935,972.72

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $734,102.87

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

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

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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


<PAGE>   1

                                                                  EXHIBIT (Z)

                     MONTHLY CERTIFICATEHOLDERS' STATEMENT
                          Discover Card Master Trust I
                        Series 1999-5 Monthly Statement
                      Class A Certificate CUSIP #25466KCL1
                      Class B Certificate CUSIP #25466KCM9

Distribution Date: August 16, 1999             Month Ending:  July 31, 1999

Pursuant to the Series Supplement dated as of June 15, 1999 relating to the
Pooling and Servicing Agreement dated as of October 1, 1993 by and between
Greenwood Trust Company and U.S. Bank National Association, as Trustee, as
amended, the Trustee is required to prepare certain information each month
regarding current distributions to investors and the performances of the Trust.
We have set forth below this information for the Distribution Date listed
above, as well as for the calendar month ended on the date listed above.

<TABLE>
<CAPTION>
1.   Payments for the benefit of investors in Series 1999-5 on this Distribution Date (per $1000 of Class Initial Investor Interest)
     -------------------------------------------------------------------------------------------------------------------------------

     Series  1999-5                                      Total            Interest          Principal
         <S>         <C>                            <C>               <C>                 <C>
         Class A      32 days at 5.360000000%        $4.764444444      $4.764444444        $0.000000000

         Class B      32 days at 5.590000000%        $4.968888889      $4.968888889        $0.000000000
</TABLE>

<TABLE>
<CAPTION>
2.   Principal Receivables at the end of July, 1999
     ----------------------------------------------

 <S>                                                   <C>
 (a) Aggregate Investor Interest                        $20,255,427,000.00

     Seller Interest                                     $5,937,658,741.65

     Total Master Trust                                 $26,193,085,741.65

 (b) Group One Investor Interest                        $17,705,427,000.00

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

 (d) Series 1999-5 Investor Interest                       $526,316,000.00

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

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

<TABLE>
<CAPTION>
3.   Allocation of Receivables Collected During July, 1999
     -----------------------------------------------------

                                                              Finance Charge        Principal            Yield Collections /
                                                               Collections         Collections           Additional Funds

 (a) Allocation of Collections between Investors and Seller

 <S>                                                       <C>                  <C>                          <C>
     Aggregate Investor Allocation.                         $333,037,573.31      $3,146,615,570.09            $0.00

     Seller Allocation:                                      $96,262,351.45        $909,508,830.46            $0.00

 (b) Group One Allocation                                   $291,200,149.14      $2,751,325,966.64            $0.00

 (c) Group Two Allocation                                    $41,837,424.17        $395,289,603.45            $0.00

 (d) Series 1999-5 Allocations                                $8,635,367.98         $81,588,942.32            $0.00

 (e) Class A Allocations                                      $8,203,492.26         $77,508,481.17            $0.00

     Class B Allocations                                        $431,875.72          $4,080,461.15            $0.00
</TABLE>

<PAGE>   2

<TABLE>
<S>                                                                                      <C>
 (f) Principal Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               15.26%

 (g) Finance Charge Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                                1.62%

 (h) Total Collections as a monthly percentage of
     Master Trust Receivables at the beginning of July, 1999                               16.88%
</TABLE>

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

                        Deposits into the     Deficit Amount
                           SPFAs on this          on this             SPFA          Investment
                        Distribution Date    Distribution Date       Balance        Income

     <S>                    <C>                    <C>               <C>              <C>
     Series 1999-5           $0.00                  0.00              $0.00            $0.00
</TABLE>

<TABLE>
<CAPTION>
5.   Information Concerning Amount of Controlled Liquidation Payments
     ----------------------------------------------------------------
                                                                                  Total Payments
                         Amount Paid on this          Deficit Amount               through this
                          Distribution Date    on this Distribution Date        Distribution Date

     <S>                          <C>                    <C>                          <C>
     Series 1999-5                 $0.00                 $0.00                        $0.00
</TABLE>

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

                                         Deposits into the SIFA
                                         on this Distribution Date    SIFA Balance

     <S>                                  <C>                           <C>
     Series 1999-5                         $2,512,983.50                 $0.00
</TABLE>

<TABLE>
<CAPTION>
7.   Pool Factors for July, 1999
     ---------------------------

     <S>                                                    <C>
     Class A                                                 1.00000000

     Class B                                                 1.00000000
</TABLE>

<TABLE>
<CAPTION>
8.   Investor Charged-Off Amount
     ---------------------------
                                                                     Cumulative Investor
                                          This Distribution Date      Charged-Off Amount

 <S>                                     <C>                               <C>
 (a) Group One                            $97,073,477.06                    $0.00

 (b) Group Two                            $13,946,779.38                    $0.00

 (c) Series 1999-5                         $2,878,656.48                    $0.00

 (d) Class A                               $2,734,687.88                    $0.00

     Class B                                 $143,968.60                    $0.00

 (e) As an annualized percentage of
     Principal Receivables at the
     beginning of July, 1999                        6.56%                     N/A
</TABLE>

<PAGE>   3

<TABLE>
<CAPTION>
9.   Investor Losses on this Distribution Date
     -----------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-5                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
10.  Reimbursement of Investor Losses on this Distribution Date
     ----------------------------------------------------------
                                                           Per $1,000 of original
                                                 Total       invested Principal

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-5                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

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

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

 (b) Group Two                                     $0.00          $0.00

 (c) Series 1999-5                                 $0.00          $0.00

 (d) Class A                                       $0.00          $0.00

     Class B                                       $0.00          $0.00
</TABLE>

<TABLE>
<CAPTION>
12.  Investor Monthly Servicing Fee payable on this Distribution Date
     ----------------------------------------------------------------

 <S>                                                     <C>
 (a) Group One                                            $29,580,904.98

 (b) Group Two                                             $4,250,000.00

 (c) Series 1999-5                                           $877,193.33

 (d) Class A                                                 $833,333.33

     Class B                                                  $43,860.00
</TABLE>

<TABLE>
<CAPTION>
13.  Class Available Subordinated Amount at the end of the Distribution Date
     -----------------------------------------------------------------------

                                                           As a percentage of
                                              Total      Class A Invested Amount

     <S>                                 <C>                 <C>
     Series 1999-5 Class B                $65,789,500.00      13.1579%
</TABLE>

<PAGE>   4


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

                                             Shared Amount  Class B Amount

 <S>                                              <C>     <C>
 (a) Maximum Amount                                $0.00   $39,473,700.00

 (b) Available Amount                              $0.00   $39,473,700.00

 (c) Amount of Drawings on Credit Enhancement
       on this Distribution Date                   $0.00            $0.00

 (d) Credit Enhancement Fee on this
       Distribution Date                                       $29,354.39
</TABLE>

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

     <S>                                                               <C>
     Master Trust Receivables Outstanding at the end of July, 1999      $26,607,836,785.44
</TABLE>

<TABLE>
<CAPTION>
                         Delinquent Amount  Percentage of Ending
     Payment Status      Ending Balance     Receivables Outstanding

     <S>               <C>                        <C>
     30-59 days          $731,165,663.75          2.75%

     60-179 days       $1,079,701,469.41          4.06%
</TABLE>

<TABLE>
<CAPTION>
16.  Excess Spread Percentages on this Distribution Date (1)
     -------------------------------------------------------

 <S>                                            <C>
 (a) Group One (2)                               5.29%

 (b) Group Two (2)                               5.59%

 (c) Series 1999-5 (3)                           5.33%
</TABLE>

<TABLE>
<CAPTION>
17.  Net Charge-Offs on this Distribution Date (4)
     ---------------------------------------------

     <S>                                                                  <C>
     Charge-offs net of recoveries as an annualized percentage of
     Principal Receivables at the beginning of July, 1999                  5.81%
</TABLE>

                                 U.S. BANK NATIONAL ASSOCIATION
                                 as Trustee

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

                                        Vice President
- ------------

 (1) For series in Group One, investors should refer only to the higher of the
     Group Excess Spread Percentage (Item 16(a)) and the Series Excess Spread
     Percentage (Item 16(c)) in assessing the current performance of the Trust
     and the Receivables.


 (2) Group Excess Spread is the sum of the Series Excess Spreads (as described
     below) for each series in the Group.  The Group Excess Spread Percentage
     is equal to the Group Excess Spread, multiplied by twelve, divided by the
     Series Investor Interests for each series in the Group.

 (3) Series Excess Spread is the difference between (a) the sum of Finance
     Charge Collections, Yield Collections, Additional Funds and Investment
     Income for any Class of this Series (see Item 3(e)), and (b) the sum of
     (i) the monthly interest for each Class of this Series (see Item 1), (ii)
     the monthly servicing fee for each Class of this Series (see Item 12(d)),
     (iii) the Investor Charge-Off Amount (see Item 8(c)), and (iv) the Credit
     Enhancement Fee (see Item 14(d)), in each case for this Distribution Date.
     The Series Excess Spread Percentage is equal to the Series Excess Spread,
     multiplied by twelve, divided by the Series Investor Interest for this
     Series.

 (4) For purposes of allocations to investors, recoveries are treated as
     Finance Charge Collections and are included as such in Item 3 above.
<PAGE>   5

                    MASTER SERVICER'S CERTIFICATE STATEMENT

                          Discover Card Master Trust I

                        Series 1999-5 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 June 15, 1999 (the "Series Supplement") by
and between Greenwood and U.S. Bank National Association, as Trustee, does
hereby certify as follows with respect to the Supplement Discover Card Master
Trust I, Series 1999-5 Master Trust Certificates for the Distribution Date
occurring on August 16, 1999:

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

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

 3.  The aggregate amount of Collections processed during July, 1999
     is equal to                                                                                               $4,485,424,325.41

 4.  The aggregate amount of Class A Principal Collections processed during
     July, 1999 is equal to                                                                                       $77,508,481.17

 5.  The aggregate amount of Class A Finance Charge Collections processed
     during July, 1999 is equal to                                                                                 $8,203,492.26

 6a. The aggregate amount of Class A Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

 8.  The sum of all amounts payable to the Class A Certificateholders
     on the current Distribution Date is equal to                                                                  $2,382,222.22
</TABLE>


<PAGE>   6

<TABLE>
<S>                                                                                                  <C>

 9.  The aggregate amount of Class B Principal Collections processed during
     July, 1999 is equal to                                                                                        $4,080,461.15

10.  The aggregate amount of Class B Finance Charge Collections processed
     during July, 1999 is equal to                                                                                   $431,875.72

11a. The aggregate amount of Class B Principal Collections recharacterized as
     Series Yield Collections during July, 1999 is equal to                                                                $0.00

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

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

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

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

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

13.  The sum of all amounts payable to the Class B Certificateholders
     on the current Distribution Date is equal to                                                                    $130,761.28

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

     IN WITNESS WHEREOF, the undersigned has duly executed and delivered
 certificate this 16th day of August, 1999.

                           GREENWOOD TRUST COMPANY
                                as Master Servicer

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


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