Exhibit 99.45 GE CAPITAL MORTGAGE SERVICES, INC. SERVICER'S CERTIFICATE December, 1998 Series 1998-13, REMIC Multi-Class Pass-Through Certificates Pursuant to the Pooling and Servicing Agreement dated as of August 1, 1998 (the "Agreement") between GE Capital Mortgage Services, Inc. (the "Company") and State Street Bank (the "Trustee"), governing the Certificates referred to above, the Company hereby certifies to the Trustee: With respect to the Agreement and as of the Determination Date for this month: A. Mortgage Loan Information: 1. Aggregate scheduled Monthly Payments: (a) Principal $ 685,660.14 ------------- (b) Interest $ 5,206,460.16 ------------- (c) Total $ 5,892,120.30 ------------- 2. Aggregate scheduled Monthly Payments received this month: (a) Principal $ 616,695.64 ------------- (b) Interest $ 4,677,675.03 ------------- (c) Total $ 5,294,370.67 ------------- 3. Aggregate Monthly Advances this month: (a) Principal $ 68,964.50 ------------- (b) Interest $ 528,785.13 ------------- (c) Total $ 597,749.63 ------------- 4. Aggregate Principal Prepayments in part received in the applicable Prepayment Period: (a) Principal $ 324,560.63 ------------- 5. Aggregate Principal Prepayments in full received in the applicable Prepayment Period: (a) Principal $ 12,787,516.32 -------------- (b) Interest $ 72,887.07 -------------- (c) Total $ 12,860,403.39 -------------- 6. Aggregate Insurance Proceeds received: (a) Principal $ 0.00 -------------- (b) Interest $ 0.00 -------------- (c) Total $ 0.00 -------------- 7. Aggregate Liquidation Proceeds received: (a) Principal $ 0.00 -------------- (b) Interest $ 0.00 -------------- (c) Total $ 0.00 -------------- 8. Aggregate Deficient Valuations with respect to the Mortgage Loans during the prior month: $ 0.00 ------------- 9. Aggregate Debt Service Reductions with respect to the Mortgage Loans during the prior month: $ 0.00 --------------- 10. Aggregate Purchase Prices for Defaulted Mortgage Loans: (a) Principal $ 0.00 --------------- (b) Interest $ 0.00 --------------- (c) Total $ 0.00 --------------- 11. Aggregate Purchase Prices for Defective Mortgage Loans: (a) Principal $ 0.00 --------------- (b) Interest $ 0.00 --------------- (c) Total $ 0.00 --------------- 12. Pool Scheduled Principal Balance: $850,631,658.77 --------------- 13. Available Funds: $ 18,653,207.58 --------------- 14. Realized Losses for prior month: $ 0.00 --------------- 15. Aggregate Realized Losses (a) Aggregate Realized Losses: $ 0.00 ------------------------ (b) Deficient Valuations: $ 0.00 ------------------------ (c) Debt Service Reductions: $ 0.00 ------------------------ (d) Bankruptcy Losses: $ 0.00 ------------------------ (e) Special Hazard Losses: $ 0.00 ------------------------ (f) Fraud Losses: $ 0.00 ------------------------ (g) Excess Bankruptcy Losses: $ 0.00 ------------------------ (h) Excess Special Hazard Losses: $ 0.00 ------------------------ (i) Excess Fraud Losses: $ 0.00 ------------------------ 16. Non-Credit Losses: $ 0.00 ------------- 17. Compensating Interest Payment: $ 8,955.39 ------------- 18. Total interest payments: $ 4,855,470.50 ------------- 19. Interest Unpaid Class Accrued Certificate Interest Shortfalls Interest Class Interest Payable Pay-out Rate - ----- -------- ------------------- ------- ------------ R $ 0.00 $ 0.00 $ 0.00 % 0.000000000 PO $ 0.00 $ 0.00 $ 0.00 % 0.000000000 A1 $ 269,381.92 $ 0.00 $ 269,381.92 % 6.749999985 A2 $ 151,430.49 $ 0.00 $ 151,430.49 % 6.749999835 A3 $ 587,110.53 $ 0.00 $ 587,110.53 % 6.750000009 A4 $ 536,603.41 $ 0.00 $ 536,603.41 % 6.749999951 A5 $ 123,193.13 $ 0.00 $ 123,193.13 % 6.750000274 A6 $ 213,526.04 $ 0.00 $ 213,526.04 % 6.249999951 A7 $ 104,166.67 $ 0.00 $ 104,166.67 % 6.250000200 A8 $ 156,250.00 $ 0.00 $ 156,250.00 % 6.250000000 A9 $ 169,870.95 $ 0.00 $ 169,870.95 % 6.249999885 A10 $ 157,826.32 $ 0.00 $ 157,826.32 % 5.362500137 A11 $ 92,341.27 $ 0.00 $ 92,341.27 % 3.137499962 A12 $ 291,899.01 $ 0.00 $ 291,899.01 % 5.462499924 A13 $ 162,314.55 $ 0.00 $ 162,314.55 %11.716070905 A14 $ 317,469.68 $ 0.00 $ 317,469.68 % 6.750000001 A15 $ 348,679.61 $ 0.00 $ 348,679.61 % 5.562500022 A16 $ 107,769.71 $ 0.00 $ 107,769.71 %11.330356935 A17 $ 50,368.04 $ 0.00 $ 50,368.04 %12.818289556 A18 $ 25,996.41 $ 0.00 $ 25,996.41 % 9.250001380 A19 $ 5,812.19 $ 0.00 $ 0.00 % 6.750005110 A20 $ 179,015.10 $ 0.00 $ 179,015.10 % 5.862499949 A21 $ 95,805.52 $ 0.00 $ 95,805.52 % 9.412499662 A22 $ 134,627.76 $ 0.00 $ 134,627.76 % 5.812500040 A23 $ 62,247.25 $ 0.00 $ 62,247.25 %10.366073161 A24 $ 215,971.88 $ 0.00 $ 215,971.88 % 6.750000156 A25 $ 60,841.76 $ 0.00 $ 60,841.76 % 5.862500211 A26 $ 32,561.37 $ 0.00 $ 32,561.37 % 9.412500813 RL $ 0.00 $ 0.00 $ 0.00 % 0.000000000 M $ 93,605.87 $ 0.00 $ 93,605.87 % 6.749999718 B1 $ 40,478.37 $ 0.00 $ 40,478.37 % 6.750000428 B2 $ 22,767.33 $ 0.00 $ 22,767.33 % 6.750000606 B3 $ 20,239.18 $ 0.00 $ 20,239.18 % 6.749998770 B4 $ 10,118.19 $ 0.00 $ 10,118.19 % 6.750000725 B5 $ 15,180.96 $ 0.00 $ 15,180.96 % 6.749998858 20. Principal Distribution Amount: $ 13,797,737.08 -------------- 21. Principal Distribution Amount per Certificate: Principal Distribution Accrual Amount ---------------------- -------------- Class R $ 0.00 $ 0.00 Class PO $ 1,285.03 $ 0.00 Class A1 $ 1,157,189.53 $ 0.00 Class A2 $ 976,494.26 $ 0.00 Class A3 $ 2,087,621.09 $ 0.00 Class A4 $ 1,708,696.70 $ 0.00 Class A5 $ 0.00 $ 0.00 Class A6 $ 0.00 $ 0.00 Class A7 $ 0.00 $ 0.00 Class A8 $ 0.00 $ 0.00 Class A9 $ 0.00 $ 0.00 Class A10 $ 0.00 $ 0.00 Class A11 $ 0.00 $ 0.00 Class A12 $ 1,881,511.80 $ 0.00 Class A13 $ 487,799.36 $ 0.00 Class A14 $ 714,201.64 $ 0.00 Class A15 $ 2,955,011.99 $ 0.00 Class A16 $ 34,419.91 $ 0.00 Class A17 $ 426,586.34 $ 0.00 Class A18 $ 305,107.97 $ 0.00 Class A19 $ 1,039,089.63 $ 5,812.19 Class A20 $ 0.00 $ 0.00 Class A21 $ 0.00 $ 0.00 Class A22 $ 0.00 $ 0.00 Class A23 $ 0.00 $ 0.00 Class A24 $ 0.00 $ 0.00 Class A25 $ 0.00 $ 0.00 Class A26 $ 0.00 $ 0.00 Class SUP $ 0.00 $ 0.00 Class RL $ 0.00 $ 0.00 Class M $ 13,197.06 $ 0.00 Class B1 $ 5,706.86 $ 0.00 Class B2 $ 3,209.86 $ 0.00 Class B3 $ 2,853.43 $ 0.00 Class B4 $ 1,426.52 $ 0.00 Class B5 $ 2,140.29 $ 0.00 22. Additional distributions to the Class R Certificate pursuant to the Agreement: $ 0.00 --------------- 23. Additional distributions to the Class RL Certificate pursuant to the Agreement: $ 0.03 --------------- 24. Subordinate Certificate Writedown Amount: $ 0.00 --------------- Accumulative Class Supported Shortfall Supported Shortfall ----- ------------------- ------------------- B1 $ 0.00 $ 0.00 B2 $ 0.00 $ 0.00 B3 $ 0.00 $ 0.00 B4 $ 0.00 $ 0.00 B5 $ 0.00 $ 0.00 25. Unanticipated Recoveries: $ 0.00 --------------- 26. The Certificate Interest Rate applicable to the Interest Accrual Period relating to such Distribution Date applicable to any floating index certificate. Class Certificate Interest Rates Class A10 % 5.36250014 Class A11 % 3.13749996 Class A12 % 5.46249992 Class A13 % 11.71607090 Class A15 % 5.56250002 Class A16 % 11.33035693 Class A17 % 12.81828956 Class A18 % 9.25000138 Class A20 % 5.86249995 Class A21 % 9.41249966 Class A22 % 5.81250004 Class A23 % 10.36607316 Class A25 % 5.86250021 Class A26 % 9.41250081 B. Other Amounts for such Distribution Date: 1. Prepayment Distribution Triggers satisfied: Yes No Class-B1 X Class-B2 X Class-B3 X Class-B4 X Class-B5 X 2. Base Servicing Fee amount: $ 173,796.98 ----------- 3. Supplemental Servicing Fee amount: $ 253,259.11 ----------- 4. Credit Losses for prior month: $ 0.00 ----------- Category Category Category A B C 5. Senior Percentage: % 95.831714 N/A N/A N/A ----------- ---- ------ ------ 6. Group I Senior Percentage: % N/A N/A N/A N/A ----------- ---- ------ ------ 7. Group II Senior Percentage: % N/A N/A N/A N/A ----------- ---- ------ ------ 8. Senior Prepayment Percentage: %100.000000 N/A N/A N/A ----------- ---- ------ ------ 9. Group I Senior Prepayment Percentage: % N/A N/A N/A N/A ----------- ---- ------ ------ 10. Group II Senior Prepayment Percentage: % N/A N/A N/A N/A ----------- ---- ------ ------ 11. Junior Percentage: % 4.168286 ----------- 12. Junior Prepayment Percentage: % 0.000000 ----------- Capitalized terms used in this Certificate shall have the same meanings as in the Agreement. GE CAPITAL MORTGAGE SERVICES, INC. By: /s/ Tim Neer ------------------------------- Name: Tim Neer Title: Vice President Investor Operations