Exhibit 99.45 GE CAPITAL MORTGAGE SERVICES, INC. SERVICER'S CERTIFICATE January, 1999 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 $ 683,221.74 --------------- (b) Interest $ 5,143,588.73 --------------- (c) Total $ 5,826,810.47 --------------- 2. Aggregate scheduled Monthly Payments received this month: (a) Principal $ 593,954.20 --------------- (b) Interest $ 4,461,271.44 --------------- (c) Total $ 5,055,225.64 --------------- 3. Aggregate Monthly Advances this month: (a) Principal $ 89,267.54 --------------- (b) Interest $ 682,317.29 --------------- (c) Total $ 771,584.83 --------------- 4. Aggregate Principal Prepayments in part received in the applicable Prepayment Period: (a) Principal $ 293,108.76 --------------- 5. Aggregate Principal Prepayments in full received in the applicable Prepayment Period: (a) Principal $ 8,971,547.56 --------------- (b) Interest $ 54,991.07 --------------- (c) Total $ 9,026,538.63 --------------- 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: $ 840,683,780.71 --------------- 13. Available Funds: $ 14,725,743.48 --------------- 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: $ 13,445.68 ------------- 18. Total interest payments: $ 4,777,865.43 ------------- 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 $ 262,872.73 $ 0.00 $ 262,872.73 %6.750000013 A2 $ 145,937.71 $ 0.00 $ 145,937.71 %6.749999836 A3 $ 575,367.66 $ 0.00 $ 575,367.66 %6.749999993 A4 $ 526,991.99 $ 0.00 $ 526,991.99 %6.749999937 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 $ 176,220.99 $ 0.00 $ 176,220.99 %5.987499949 A11 $ 73,946.60 $ 0.00 $ 73,946.60 %2.512500150 A12 $ 315,752.32 $ 0.00 $ 315,752.32 %6.087500039 A13 $ 125,133.86 $ 0.00 $ 125,133.86 %9.305355848 A14 $ 313,452.30 $ 0.00 $ 313,452.30 %6.750000092 A15 $ 372,620.31 $ 0.00 $ 372,620.31 %6.187499965 A16 $ 84,584.14 $ 0.00 $ 84,584.14 %8.919642688 A17 $ 31,033.45 $ 0.00 $ 31,033.45 %8.683357319 A18 $ 23,644.53 $ 0.00 $ 23,644.53 %9.249999145 A19 $ 0.00 $ 0.00 $ 0.00 %0.000000000 A20 $ 198,099.87 $ 0.00 $ 198,099.87 %6.487500092 A21 $ 76,720.76 $ 0.00 $ 76,720.76 %7.537500215 A22 $ 149,103.86 $ 0.00 $ 149,103.86 %6.437499906 A23 $ 47,771.14 $ 0.00 $ 47,771.14 %7.955357581 A24 $ 215,971.88 $ 0.00 $ 215,971.88 %6.750000156 A25 $ 67,328.09 $ 0.00 $ 67,328.09 %6.487500391 A26 $ 26,075.04 $ 0.00 $ 26,075.04 %7.537500271 RL $ 0.00 $ 0.00 $ 0.00 %0.000000000 M $ 93,531.64 $ 0.00 $ 93,531.64 %6.749999968 B1 $ 40,446.27 $ 0.00 $ 40,446.27 %6.750000610 B2 $ 22,749.27 $ 0.00 $ 22,749.27 %6.749999260 B3 $ 20,223.13 $ 0.00 $ 20,223.13 %6.749998951 B4 $ 10,110.16 $ 0.00 $ 10,110.16 %6.749996837 B5 $ 15,168.92 $ 0.00 $ 15,168.92 %6.749998470 20. Principal Distribution Amount: $ 9,947,878.05 ------------- 21. Principal Distribution Amount per Certificate: Principal Distribution Accrual Amount ---------------------- -------------- Class R $ 0.00 $ 0.00 Class PO $ 1,218.85 $ 0.00 Class A1 $ 833,587.23 $ 0.00 Class A2 $ 703,422.49 $ 0.00 Class A3 $ 1,503,828.23 $ 0.00 Class A4 $ 1,230,868.16 $ 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 $ 1,561,165.85 $ 0.00 Class A13 $ 404,746.71 $ 0.00 Class A14 $ 793,575.14 $ 0.00 Class A15 $ 2,292,295.54 $ 0.00 Class A16 $ 41,266.19 $ 0.00 Class A17 $ 322,424.51 $ 0.00 Class A18 $ 230,608.15 $ 0.00 Class A19 $ 0.00 $ 0.00 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 $ 13,352.91 $ 0.00 Class B1 $ 5,774.26 $ 0.00 Class B2 $ 3,247.77 $ 0.00 Class B3 $ 2,887.13 $ 0.00 Class B4 $ 1,443.36 $ 0.00 Class B5 $ 2,165.57 $ 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: $ 0.02 -------------- 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 % 5.98749995 Class A11 % 2.51250015 Class A12 % 6.08750004 Class A13 % 9.30535585 Class A15 % 6.18749996 Class A16 % 8.91964269 Class A17 % 8.68335732 Class A18 % 9.24999915 Class A20 % 6.48750009 Class A21 % 7.53750021 Class A22 % 6.43749991 Class A23 % 7.95535758 Class A25 % 6.48750039 Class A26 % 7.53750027 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: $ 192,455.98 ----------- 3. Supplemental Servicing Fee amount: $ 247,510.64 ----------- 4. Credit Losses for prior month: $ 0.00 ----------- Category Category Category A B C 5. Senior Percentage: % 95.767369 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: % 4.232631 ----------- 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