Exhibit 99.13 GE CAPITAL MORTGAGE SERVICES, INC. SERVICER'S CERTIFICATE October, 1999 Series 1999-06, REMIC Multi-Class Pass-Through Certificates Pursuant to the Pooling and Servicing Agreement dated as of April 1, 1999 (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 $ 585,610.46 --------------- (b) Interest $ 4,037,735.27 --------------- (c) Total $ 4,623,345.73 --------------- 2. Aggregate scheduled Monthly Payments received this month: (a) Principal $ 466,808.75 --------------- (b) Interest $ 3,209,904.31 --------------- (c) Total $ 3,676,713.06 --------------- 3. Aggregate Monthly Advances this month: (a) Principal $ 118,801.71 --------------- (b) Interest $ 827,830.96 --------------- (c) Total $ 946,632.67 --------------- 4. Aggregate Principal Prepayments in part received in the applicable Prepayment Period: (a) Principal $ 96,251.29 --------------- 5. Aggregate Principal Prepayments in full received in the applicable Prepayment Period: (a) Principal $ 2,839,444.66 --------------- (b) Interest $ 16,436.06 --------------- (c) Total $ 2,855,880.72 --------------- 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: $ 677,777,856.60 --------------- 13. Available Funds: $ 7,442,405.64 --------------- 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: $ 4,727.15 --------------- 18. Total interest payments: $ 3,921,099.23 --------------- 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 1A1 $ 487,695.00 $ 0.00 $ 487,695.00 %6.100000000 1A2 $ 510,677.58 $ 0.00 $ 510,677.58 %6.349999959 1A3 $ 46,733.50 $ 0.00 $ 46,733.50 %6.600000000 1A4 $ 654,883.93 $ 0.00 $ 654,883.93 %6.349999989 1A5 $ 484,959.42 $ 0.00 $ 126,450.83 %9.130816242 1A6 $ 7,505.56 $ 0.00 $ 0.00 %6.750001608 1A7 $ 6,250.83 $ 0.00 $ 6,250.83 %6.999999067 1A8 $ 45,249.17 $ 0.00 $ 45,249.17 %7.000000516 1A9 $ 38,316.25 $ 0.00 $ 38,316.25 %7.000000000 1A10 $ 31,683.75 $ 0.00 $ 31,683.75 %7.000000000 1A11 $ 0.00 $ 0.00 $ 0.00 %0.000000000 1A12 $ 16,240.10 $ 0.00 $ 16,240.10 %6.749998314 2A1 $ 928,804.24 $ 0.00 $ 928,804.24 %6.750000025 2A2 $ 86,737.50 $ 0.00 $ 86,737.50 %6.750000000 2A3 $ 146,250.00 $ 0.00 $ 146,250.00 %6.500000000 2A4 $ 4,950.00 $ 0.00 $ 4,950.00 %0.220000000 2A5 $ 151,875.00 $ 0.00 $ 151,875.00 %6.750000000 2A6 $ 675.00 $ 0.00 $ 675.00 %0.030000000 S $ 113,885.63 $ 0.00 $ 113,885.63 %0.277778514 M $ 72,941.92 $ 0.00 $ 72,941.92 %6.749999810 B1 $ 29,575.59 $ 0.00 $ 29,575.59 %6.749999713 B2 $ 17,039.55 $ 0.00 $ 17,039.55 %6.750001679 B3 $ 19,711.46 $ 0.00 $ 19,711.46 %6.750000261 B4 $ 7,886.82 $ 0.00 $ 7,886.82 %6.749996213 B5 $ 10,571.43 $ 0.00 $ 10,571.43 %6.749997929 20. Principal Distribution Amount: $ 3,521,306.41 --------------- 21. Principal Distribution Amount per Certificate: Principal Distribution Accrual Amount ---------------------- -------------- Class R $ 0.00 $ 0.00 Class PO $ 38,608.63 $ 0.00 Class 1A1 $ 0.00 $ 0.00 Class 1A2 $ 0.00 $ 0.00 Class 1A3 $ 0.00 $ 0.00 Class 1A4 $ 2,131,717.80 $ 0.00 Class 1A5 $ 134,860.47 $ 358,508.59 Class 1A6 $ 261,656.64 $ 7,505.56 Class 1A7 $ 0.00 $ 0.00 Class 1A8 $ 0.00 $ 0.00 Class 1A9 $ 0.00 $ 0.00 Class 1A10 $ 0.00 $ 0.00 Class 1A11 $ 0.00 $ 0.00 Class 1A12 $ 15,175.18 $ 0.00 Class 2A1 $ 1,281,209.21 $ 0.00 Class 2A2 $ 0.00 $ 0.00 Class 2A3 $ 0.00 $ 0.00 Class 2A4 $ 0.00 $ 0.00 Class 2A5 $ 0.00 $ 0.00 Class 2A6 $ 0.00 $ 0.00 Class S $ 0.00 $ 0.00 Class M $ 11,141.82 $ 0.00 Class B1 $ 4,517.65 $ 0.00 Class B2 $ 2,603.85 $ 0.00 Class B3 $ 3,010.92 $ 0.00 Class B4 $ 1,204.70 $ 0.00 Class B5 $ 1,613.69 $ 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: $ 0.00 ---------------- 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 ---------------- B. Other Amounts for such Distribution Date: 1. Prepayment Distribution Triggers satisfied: Yes No --- -- B1 X B2 X B3 X B4 X B5 X M X 2. Base Servicing Fee amount: $ 132,660.43 ----------- 3. Supplemental Servicing Fee amount: $ N/A ----------- 4. Credit Losses for prior month: $ 0.00 ----------- Category A Category B Category C 5. Senior Percentage: % N/A 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: % N/A 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: % N/A ------ 12. Junior Prepayment Percentage: % N/A ------ Capitalized terms used in this Certificate shall have the same meanings as in the Agreement. GE CAPITAL MORTGAGE SERVICES, INC. By: /s Tim Neer ------------------------------- Tim Neer Vice President Investor Services