<PAGE>
SECURITIES AND EXCHANGE COMMISSION
450 Fifth Street, NW
Washington, DC 20549
------------------------------------------
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
For the Month of October, 1999
PNC MORTGAGE SECURITIES CORP.
MORTGAGE PASS-THROUGH CERTIFICATES,
SERIES: 1998-12
(Exact name of the registrant as specified in charter)
Delaware 333-65911 36-4261435
(State or other (Commission (IRS Employer
jurisdiction of File Number) Identification
Incorporation) Number)
75 NORTH FAIRWAY DRIVE
VERNON HILLS, IL 60061
(Address of principal executive offices)
Registrant's telephone number, including area code:
(847) 549-6500
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ITEM 5.
See Exhibit A, the Distribution Report for the Month of October, 1999,
attached hereto.
ITEM 7.
FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION, AND EXHIBITS:
EXHIBITS:
A. PNC Mortgage Securities Corp., Mortgage Pass-Through Certificates,
SERIES: 1998-12 , Monthly Distribution Report for October 1999.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.
Dated: November 9, 1999
PNC MORTGAGE SECURITIES CORP.
(Registrant)
By: /s/ (RICHIE MOORE)
------------------
RICHIE MOORE
SECOND VICE PRESIDENT
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<TABLE>
<CAPTION>
EXHIBIT A
PNC MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/1999 DISTRIBUTION REPORT
SERIES: 1998-12 WEIGHTED AVERAGE PC RATE: 6.3177
POOL NUMBER: 1488
____________________________________________________________________________________________
<S> <C>
ISSUE DATE: 11/30/1998
CERTIFICATE BALANCE AT ISSUE: $682,062,143.24
<CAPTION>
CERTIFICATE
TOTAL ACCOUNT CERTIFICATE
NUMBER OF ACTIVITY BALANCE
MORTGAGES (@PC RATE) OUTSTANDING
_________ __________________ __________________
<S> <C> <C> <C>
BALANCES FROM LAST FISCAL MONTH-END: 1892 $637,413,953.79
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month $570,997.66
Unscheduled Principal Collection/Reversals $309,039.99
Liquidations-in-full 9 $2,550,396.66
Net principal Distributed $3,430,434.31 ($3,430,434.31)
CAPITAL LOSS (PRINCIPAL WRITTEN OFF): $0.00
BALANCE CURRENT FISCAL MONTH-END: 1883 $633,983,519.48
SCHEDULED INTEREST AT MORTGAGE RATE: $3,766,707.68
UNSCHEDULED INTEREST AT MORTGAGE RATE:
Unscheduled Interest Collection/Reversals $0.00
Interest Uncollected on Liquidation $0.00
Interest Uncollected on Non-Earning Assets $0.00
Net Unscheduled Interest Distributed $0.00
OTHER:
Loan Conversion Fees $0.00
Expense Reimbursements $0.00
Gain on Liquidations $0.00
Hazard Insurance Premium Refunds $0.00
Net Other Distributions $0.00
SCHEDULED SERVICING FEE EXPENSES: $410,881.26
UNSCHEDULED SERVICING FEES:
Unscheduled Service Fee Collections/Reversals $0.00
Servicing Fees Uncollected on Liquidation $0.00
Servicing Fees Uncollected/Non-Earning Assets $0.00
Net Unscheduled Service Fees Distributed $0.00
MISCELLANEOUS EXPENSES: $0.00
NET FUNDS DISTRIBUTED: $6,786,260.73
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
PNC MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/1999 DISTRIBUTION REPORT
SERIES: 1998-12 WEIGHTED AVERAGE PC RATE: 6.3177
POOL NUMBER: 1488
____________________________________________________________________________________________
<CAPTION>
AGGREGATE LOSS AMOUNTS FROM INCEPTION OF POOL
Loan Count Of Aggregate Loss
Incurred Loss Amount
__________________ _________________
<S> <C>
0 $0.00
*Aggregate Loss Amount and Count do not include this month's activity
<CAPTION>
SUMMARY OF DISTRIBUTIONS FOR CURRENT CYCLE
Principal Scheduled Interest Net Interest Total
Distribution Interest Due Adjustment Distribution Other Distribution
__________________ ________________ ________________ ________________ ________________ ________________
<S> <C> <C> <C> <C> <C>
$3,430,434.31 $3,355,826.42 ($338.27) $3,355,488.15 $0.00 $6,786,260.73
<CAPTION>
INSURANCE RESERVES
Original Claims In Claims Coverage Coverage
Insurance Type Balance Progress Paid Adjustments Remaining
___________________ ________________ ________________ ________________ ________________ ________________
<S> <C> <C> <C> <C> <C>
MPI $0.00 $0.00 $0.00 $0.00 $0.00
Special Hazard $6,820,621.00 $0.00 $0.00 $0.00 $6,820,621.00
Bankruptcy Bond
Single-Units $230,001.00 $0.00 $0.00 $0.00 $230,001.00
Multi-Units $0.00 $0.00 $0.00 $0.00 $0.00
Mortgage Repurchase $13,641,243.00 $0.00 $0.00 $0.00 $13,641,243.00
<CAPTION>
DELINQUENT INSTALLMENTS
ONE TWO THREE
Count Principal Balance Count Principal Balance Count Principal Balance
_____ _________________ _____ _________________ _____ _________________
<S> <C> <C> <C> <C> <C>
16 $5,340,624.62 0 $0.00 0 $0.00
IN FORECLOSURE ACQUIRED
Count Principal Balance Count Principal Balance
_____ _________________ _____ _________________
<S> <C> <C> <C>
0 $0.00 0 $0.00
</TABLE>
The Group I-B Certificates provide, to the limited extent described in the
Prospectus Supplement, credit support, as well as special hazard, bankruptcy,
and fraud coverage to certain Group I Certificates. The "Prospectus
Supplement" is that certain Prospectus Supplement, dated November 25, 1998,
and amended by that certain supplement to Prospectus Supplement, dated
November 25,1998, pursuant to which certain of the Group I Certificates were
offered.
The Class Principal Balances of the Class I-B Certificates immediately after
the principal and interest distribution on July 26, 1999 are as follows:
<TABLE>
<CAPTION>
<S> <C> <C> <C>
Class Class Principal Balance
IB1 $14,201,946.41
IB2 $6,086,548.18
IB3 $2,705,133.08
IB4 $2,366,990.57
IB5 $1,352,567.04
IB6 $2,028,849.16
</TABLE>
Capitalized terms used but not defined herein have the meanings ascribed to
them in the Prospectus Supplement.
The amount of the special hazard coverage, bankruptcy coverage, and fraud
coverage, as of the above referenced distribution date, is $6,820,621.00,
$230,001.00, $13,641,243.00 respectively.
<PAGE>
<TABLE>
<CAPTION>
EXHIBIT A
DELINQUENT* MORTGAGE LOANS (As of September 30, 1999):
SERIES: 1998-12 POOL NUMBER: 1488
I II III
Total Loans In Total Delinquent Loans Delinquent
Mortgage Pool Loans 1 Month
-------------------- --------------------- ---------------------
<S> <C> <C> <C>
Dollar Amount: $633,983,519.48** $5,340,624.62*** $5,340,624.62***
Number: 1977 16 16
% of Pool: 100.00% 0.84% 0.84%
(Dollars)
% of Pool: 100.00% 0.81% 0.81%
(No. of Loans)
<CAPTION>
IV V VI
Loans Delinquent Loans Delinquent Loans In
2 Month 3 Month Foreclosure
-------------------- --------------------- ---------------------
<S> <C> <C> <C>
Dollar Amount: $0.00*** $0.00*** $0.00***
Number: 0 0 0
% of Pool: 0.00% 0.00% 0.00%
(Dollars)
% of Pool: 0.00% 0.00% 0.00%
(No. of Loans)
<CAPTION>
VII
Loans Acquired
--------------------
<S> <C>
Dollar Amount: $0.00***
Number: 0
% of Pool: 0.00%
(Dollars)
% of Pool: 0.00%
(No. of Loans)
* A Mortgage Loan is considered delinquent in a given month when a payment
due on the first day of the prior month has not been made on or before the
first day of such prior month.
** Reflects the outstanding principal balance of the Mortgage Pool after the
application of all October 01, 1999 scheduled payments and September 01, 1999
unscheduled payments on the mortgage loans.
*** Reflects outstanding principal balance of delinquent mortgage loans as of
September 30, 1999.
Trading Factor, calculated as of distribution date : 0.32230511.
By multiplying this factor by the original balance of the Mortgage Pool as of
the Cut-Off Date, current outstanding balance of the Mortgage Pool (after
application of scheduled payments up to and including October 01, 1999, and
unscheduled prepayments in months prior to October ) can be calculated.
</TABLE>
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<TABLE>
<CAPTION>
EXHIBIT A
PNC MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/1999 DISTRIBUTION REPORT
SERIES: 1998-12 WEIGHTED AVERAGE PC RATE: 7.1880
POOL NUMBER: Group 2 = 1489, 1490, 1491
____________________________________________________________________________________________
<S> <C>
ISSUE DATE: 11/30/1998
CERTIFICATE BALANCE AT ISSUE: $1,284,578,406.93
<CAPTION>
CERTIFICATE
TOTAL ACCOUNT CERTIFICATE
NUMBER OF ACTIVITY BALANCE
MORTGAGES (@PC RATE) OUTSTANDING
_________ __________________ __________________
<S> <C> <C> <C>
BALANCES FROM LAST FISCAL MONTH-END: 7665 $1,144,127,490.67
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month $971,258.11
Unscheduled Principal Collection/Reversals $287,919.53
Liquidations-in-full 73 $10,756,704.09
Net principal Distributed $12,015,881.73 ($12,015,881.73)
CAPITAL LOSS (PRINCIPAL WRITTEN OFF): ($647.07)
BALANCE CURRENT FISCAL MONTH-END: 7592 $1,132,112,256.01
SCHEDULED INTEREST AT MORTGAGE RATE: $7,545,621.07
UNSCHEDULED INTEREST AT MORTGAGE RATE:
Unscheduled Interest Collection/Reversals $0.00
Interest Uncollected on Liquidation $0.00
Interest Uncollected on Non-Earning Assets $0.00
Net Unscheduled Interest Distributed $0.00
OTHER:
Loan Conversion Fees $0.00
Expense Reimbursements $0.00
Gain on Liquidations $0.00
Hazard Insurance Premium Refunds $0.00
Net Other Distributions $0.00
SCHEDULED SERVICING FEE EXPENSES: $691,367.13
UNSCHEDULED SERVICING FEES:
Unscheduled Service Fee Collections/Reversals $0.00
Servicing Fees Uncollected on Liquidation $0.00
Servicing Fees Uncollected/Non-Earning Assets $0.00
Net Unscheduled Service Fees Distributed $0.00
MISCELLANEOUS EXPENSES: $0.00
NET FUNDS DISTRIBUTED: $18,870,135.67
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
PNC MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/1999 DISTRIBUTION REPORT
SERIES: 1998-12 WEIGHTED AVERAGE PC RATE: 7.1880
POOL NUMBER: Group 2 = 1489, 1490, 1491
____________________________________________________________________________________________
<CAPTION>
AGGREGATE LOSS AMOUNTS FROM INCEPTION OF POOL
Loan Count Of Aggregate Loss
Incurred Loss Amount
__________________ _________________
<S> <C>
0 $0.00
*Aggregate Loss Amount and Count do not include this month's activity
<CAPTION>
SUMMARY OF DISTRIBUTIONS FOR CURRENT CYCLE
Principal Scheduled Interest Net Interest Total
Distribution Interest Due Adjustment Distribution Other Distribution
__________________ ________________ ________________ ________________ ________________ ________________
<S> <C> <C> <C> <C> <C>
$12,015,881.73 $6,854,253.94 ($213.43) $6,854,040.51 $0.00 $18,870,135.67
<CAPTION>
INSURANCE RESERVES
Original Claims In Claims Coverage Coverage
Insurance Type Balance Progress Paid Adjustments Remaining
___________________ ________________ ________________ ________________ ________________ ________________
<S> <C> <C> <C> <C> <C>
MPI $0.00 $0.00 $0.00 $0.00 $0.00
Special Hazard $12,849,669.00 $0.00 $0.00 $0.00 $12,849,669.00
Bankruptcy Bond
Single-Units $473,987.00 $0.00 $0.00 $0.00 $473,987.00
Multi-Units $0.00 $0.00 $0.00 $0.00 $0.00
Mortgage Repurchase $25,699,339.00 $0.00 $0.00 $0.00 $25,699,339.00
<CAPTION>
DELINQUENT INSTALLMENTS
ONE TWO THREE
Count Principal Balance Count Principal Balance Count Principal Balance
_____ _________________ _____ _________________ _____ _________________
<S> <C> <C> <C> <C> <C>
179 $26,349,126.42 22 $3,191,301.44 10 $2,045,367.45
IN FORECLOSURE ACQUIRED
Count Principal Balance Count Principal Balance
_____ _________________ _____ _________________
<S> <C> <C> <C>
11 $2,155,904.19 0 $0.00
</TABLE>
The Group C-B Certificates provide, to the limited extent described in the
Prospectus Supplement, credit support, as well as special hazard,
bankruptcy, and fraud coverage to certain
Group II, III and IV Certificates. The "Prospectus Supplement" is that
certain Prospectus Supplement, dated November 25, 1998, and amended by that
certain supplement to Prospectus
Supplement dated, November 25, 1998, pursuant to which certain of the Group
II, III and IV certificates were offered. The special hazard coverage,
bankruptcy coverage and fraud coverage
(collectively, "Credit Enhancements") provided by the C-B Certificates
provide coverage to the Group II, III, and IV Loans, subject to the
conditions and limitations to payment specified thereunder.
Losses on Mortgage Loans in any one or more of such Loan Groups may exhaust
the coverage provided by the Credit Enhancements even if the Mortgage Loans
in the other Loan Group or Loan Groups have not sustained any losses.
<TABLE>
<CAPTION>
<S> <C> <C> <C>
Class Class Principal Balance
CB1 $41,429,013.33
CB2 $19,758,452.20
CB3 $10,835,280.55
CB4 $7,011,063.71
CB5 $3,824,215.84
CB6 $6,373,696.41
</TABLE>
Capitalized terms used but not defined herein have the meanings ascribed to
them in the Prospectus Supplement.
The amount of the special hazard, bankruptcy and fraud coverage as of the above
referenced date is $12,849,669.00, $473,987.00 and $25,699,339.00,
respectively.
<PAGE>
<TABLE>
<CAPTION>
EXHIBIT A
DELINQUENT* MORTGAGE LOANS (As of September 30, 1999):
SERIES: 1998-12 POOL NUMBER: Group 2 = 1489, 1490, 1491
I II III
Total Loans In Total Delinquent Loans Delinquent
Mortgage Pool Loans 1 Month
-------------------- --------------------- ---------------------
<S> <C> <C> <C>
Dollar Amount: $1,132,112,256.01** $33,297,649.56*** $26,349,126.42***
Number: 8286 219 179
% of Pool: 100.00% 2.94% 2.33%
(Dollars)
% of Pool: 100.00% 2.64% 2.16%
(No. of Loans)
<CAPTION>
IV V VI
Loans Delinquent Loans Delinquent Loans In
2 Month 3 Month Foreclosure
-------------------- --------------------- ---------------------
<S> <C> <C> <C>
Dollar Amount: $3,191,301.44*** $1,601,317.51*** $2,155,904.19***
Number: 22 7 11
% of Pool: 0.28% 0.14% 0.19%
(Dollars)
% of Pool: 0.27% 0.08% 0.13%
(No. of Loans)
<CAPTION>
VII
Loans Acquired
--------------------
<S> <C>
Dollar Amount: $0.00***
Number: 0
% of Pool: 0.00%
(Dollars)
% of Pool: 0.00%
(No. of Loans)
* A Mortgage Loan is considered delinquent in a given month when a payment
due on the first day of the prior month has not been made on or before the
first day of such prior month.
** Reflects the outstanding principal balance of the Mortgage Pool after the
application of all October 01, 1999 scheduled payments and September 01, 1999
unscheduled payments on the mortgage loans.
*** Reflects outstanding principal balance of delinquent mortgage loans as of
September 30, 1999.
Trading Factor, calculated as of distribution date : 0.57554424.
By multiplying this factor by the original balance of the Mortgage Pool as of
the Cut-Off Date, current outstanding balance of the Mortgage Pool (after
application of scheduled payments up to and including October 01, 1999, and
unscheduled prepayments in months prior to October ) can be calculated.
</TABLE>
