SLM Student Loan Trust 1998-2 Quarterly Servicing Report Distribution Date 10/25/2006 Collection Period 07/01/2006-09/30/2006 SLM Funding LLC - Depositor Sallie Mae, Inc. - Servicer and Administrator Deutsche Bank - Indenture Trustee Chase Bank USA, National Association - Eligible Lender Trustee SLM Investment Corp. - Excess Distribution Certificateholder Page 1 of 9
I. Deal Parameters A Student Loan Portfolio Characteristics 06/18/1998 06/30/2006 09/30/2006 Principal Balance $ 2,955,578,270.00 $ 388,768,791.93 $ 349,016,153.07 Interest to be Capitalized Balance 50,674,160.00 1,813,953.26 1,526,297.38 Pool Balance $ 3,006,252,430.00 $ 350,542,450.45 Specified Reserve Account Balance 7,515,631.00 - N/A - - N/A - Adjusted Pool (1) $ 3,013,768,061.00 $ 350,542,450.45 Weighted Average Coupon (WAC) 8.28% 7.51% 8.35% Weighted Average Remaining Term 125.00 95.35 95.18 Number of Loans 732,090 114,006 101,311 Number of Borrowers 343,839 62,060 56,027 Aggregate Outstanding Principal Balance - Tbill $ 3,006,252,430.00 $ 350,542,450.45 Aggregate Outstanding Principal Balance - Commercial Paper Pool Factor 0.129923469 0.116604463 Since Issued Constant Prepayment Rate 10.19% 10.20% (1) The Specified Reserve Account balance is included in the Adjusted Pool until the Pool Balance is less than 40% of the original pool. B Debt Securities Cusip/Isin 07/25/2006 10/25/2006 A1 A2 Certs 78442GBA3 78442GBB1 78442GBC9 $ 284,832,745.19 $ 105,750,000.00 $ 244,792,450.45 $ 105,750,000.00 C Account Balances 07/25/2006 10/25/2006 Reserve Account Balance D Asset / Liability 07/25/2006 10/25/2006 Adjusted Pool Balance Total Notes Difference Parity Ratio $ 350,542,450.45 $ 350,542,450.45 1.00000 1.00000 Page 2 of 9 Trust 1998-2 Quarterly Servicing Report: Collection Period 07/01/2006-09/30/2006, Distribution Date 10/25/2006
II. Trust Activity 07/01/2006 through 09/30/2006 A Student Loan Principal Receipts Borrower Principal 17,189,921.44 Guarantor Principal 4,211,191.10 Consolidation Activity Principal 20,380,731.38 Seller Principal Reimbursement 4,557.08 Servicer Principal Reimbursement 80.03 Rejected Claim Repurchased Principal 5,881.05 Other Principal Deposits 603.87 Total Principal Receipts $ 41,792,965.95 B Student Loan Interest Receipts Borrower Interest Guarantor Interest 4,539,295.55 292,424.93 Consolidation Activity Interest 394,625.89 Special Allowance Payments Interest Subsidy Payments Seller Interest Reimbursement 809,165.31 426,048.90 2,004.17 Servicer Interest Reimbursement 2,389.24 Rejected Claim Repurchased Interest 427.08 Other Interest Deposits 286,600.44 Total Interest Receipts $ 6,752,981.51 C D E F Investment Income Funds Borrowed from Next Collection Period Funds Repaid from Prior Collection Period Loan Sale or Purchase Proceeds $ 539,315.67 G Initial Deposits to Collection Account H I Other Deposits Less: Funds Previously Remitted: Servicing Fees to Servicer Consolidation Loan Rebate Fees to Dept. of Education Total Funds Previously Remitted $ 154,424.01 $(431,543.00) $(395,310.42) $(826,853.42) J K L M N AVAILABLE FUNDS Non-Cash Principal Activity During Collection Period Non-Reimbursable Losses During Collection Period Aggregate Purchased Amounts by the Depositor, Servicer or Seller Aggregate Loan Substitutions $ 48,412,833.72 $(2,040,327.09) $ 2,485.23 $ 6,308.13 Page 3 of 9 Trust 1998-2 Quarterly Servicing Report: Collection Period 07/01/2006-09/30/2006, Distribution Date 10/25/2006
III. 1998-2 Portfolio Characteristics 09/30/2006 06/30/2006 Wtd Avg Coupon # Loans Principal % of Principal Wtd Avg Coupon # Loans Principal % of Principal INTERIM: IN SCHOOL 7.48% 180 $571,645.99 0.164% 5.71% 204 $616,275.47 0.159% GRACE 7.48% 80 $262,708.36 0.075% 6.03% 112 $447,708.78 0.115% DEFERMENT 8.05% 9,225 $37,305,238.38 10.689% 7.02% 11,015 $44,302,562.08 11.396% REPAYMENT: CURRENT 8.41% 71,733 $217,420,809.13 62.295% 7.68% 80,438 $241,977,684.63 62.242% 31-60 DAYS DELINQUENT 8.39% 4,133 $17,620,831.63 5.049% 7.61% 4,553 $19,045,352.53 4.899% 61-90 DAYS DELINQUENT 8.33% 2,195 $10,215,988.92 2.927% 7.45% 2,580 $11,015,400.41 2.833% 91-120 DAYS DELINQUENT 8.32% 1,660 $7,865,815.46 2.254% 7.11% 2,526 $10,903,420.35 2.805% > 120 DAYS DELINQUENT 8.29% 5,577 $25,486,954.24 7.303% 7.22% 4,423 $20,182,416.89 5.191% FORBEARANCE 8.34% 5,769 $29,291,446.14 8.393% 7.40% 7,052 $35,924,945.24 9.241% CLAIMS IN PROCESS 8.22% 755 $2,893,992.11 0.829% 6.95% 1,098 $4,338,808.24 1.116% AGED CLAIMS REJECTED 7.74% 4 $80,722.71 0.023% 6.41% 5 $14,217.31 0.004% TOTAL 101,311 $349,016,153.07 100.00% 114,006 $388,768,791.93 100.00% * Percentages may not total 100% due to rounding Page 4 of 9 Trust 1998-2 Quarterly Servicing Report: Collection Period 07/01/2006-09/30/2006, Distribution Date 10/25/2006
IV. 1998-2 Portfolio Characteristics (cont'd) 09/30/2006 06/30/2006 Pool Balance Total # Loans Total # Borrowers Weighted Average Coupon Weighted Average Remaining Term Non-Reimbursable Losses Cumulative Non-Reimbursable Losses Since Issued Constant Prepayment Rate (CPR) $350,542,450.45 101,311 56,027 8.35% 95.18 $2,485.23 $2,943,470.13 10.20% $390,582,745.19 114,006 62,060 7.51% 95.35 $2,940,984.90 10.19% Loan Substitutions Cumulative Loan Substitutions Rejected Claim Repurchases Cumulative Rejected Claim Repurchases Cumulative Claims Filed Unpaid Primary Servicing Fees Unpaid Administration Fees Unpaid Carryover Servicing Fees Note Principal Shortfall Note Interest Shortfall Unpaid Interest Carryover $6,308.13 $1,240,769.76 $131,288,331.03 $7,349.70 $1,234,461.63 $126,281,961.48 Page 5 of 9 Trust 1998-2 Quarterly Servicing Report: Collection Period 07/01/2006-09/30/2006, Distribution Date 10/25/2006
V. 1998-2 Portfolio Statistics by School and Program Weighted Average A LOAN TYPE Coupon # LOANS $ AMOUNT % * - GSL (1) - Subsidized 7.89% 56,653 $ 86,497,470.56 24.783% - GSL - Unsubsidized 7.86% 20,098 41,593,176.31 11.917% (2) - PLUS Loans 8.35% 6,336 13,012,559.79 3.728% (3) - SLS Loans 8.40% 2,731 6,779,630.92 1.942% - Consolidation Loans 8.65% 15,493 201,133,315.49 57.629% Total 8.35% 101,311 $ 349,016,153.07 100.000% B SCHOOL TYPE Weighted Average Coupon # LOANS $ AMOUNT % * - Four Year 7.97% 68,070 $ 122,043,531.80 34.968% - Two Year 7.89% 12,656 19,184,675.22 5.497% - Technical 7.90% 5,231 8,304,419.51 2.379% - Other 8.65% 15,354 199,483,526.54 57.156% Total 8.35% 101,311 $ 349,016,153.07 100.000% C Student Loan Rate Calculation Borrower Interest Accrued Interest Subsidy Payments Accrued Special Allowance Payments Accrued Investment Income Net Expected Interest Collections Accrual Daycount Fraction Primary Servicing Fee Administration Fee Pool Balance at Beginning of Collection Period Student Loan Rate 7,137,109.96 $ 407,208.95 $ 127,645.89 $ 539,315.67 $ 8,211,280.47 0.252054795 $ 633,171.40 $ 20,000.00 7.67724% *Percentages may not total 100% due to rounding. (1) (2) (3) Guaranteed Stafford Loan Parent Loans for Undergraduate Students Supplemental Loans to Students. The Unsubsidized Stafford Loan program replaced the SLS program on July 1, 1994. Page 6 of 9 Trust 1998-2 Quarterly Servicing Report: Collection Period 07/01/2006-09/30/2006, Distribution Date 10/25/2006
VI. 1998-2 T-Bill Rates Accrual Period Number of Start Date Through Days Weighted 91-Day T-Bill 07/25/2006 07/31/2006 7 5.108% 08/01/2006 08/07/2006 7 5.108% 08/08/2006 08/14/2006 7 5.124% 08/15/2006 08/21/2006 7 5.114% 08/22/2006 08/28/2006 7 5.109% 08/29/2006 09/05/2006 8 5.093% 09/06/2006 09/11/2006 6 4.984% 09/12/2006 09/18/2006 7 4.947% 09/19/2006 09/25/2006 7 4.942% 09/26/2006 10/02/2006 7 4.895% 10/03/2006 10/10/2006 8 4.890% 10/11/2006 10/16/2006 6 4.978% 10/17/2006 10/24/2006 8 5.072% Page 7 of 9 Trust 1998-2 Quarterly Servicing Report: Collection Period 07/01/2006-09/30/2006, Distribution Date 10/25/2006
VII. 1998-2 Waterfall for Distributions Paid Remaining Funds Balance Total Available Funds $ 48,412,833.72 A Primary Servicing Fee $ 201,628.40 $ 48,211,205.32 B Administration Fee $ 20,000.00 $ 48,191,205.32 C Noteholders' Interest Distribution Amount $ 4,134,374.61 $ 44,056,830.71 D Certificateholders' Return Distribution Amount $ 1,593,611.94 $ 42,463,218.77 E Noteholders' Principal Distribution Amount $ 40,040,294.74 $ 2,422,924.03 F Certificateholders' Balance Distribution Amount $ 2,422,924.03 G Reserve Account Reinstatement $ 2,422,924.03 H Carryover Servicing Fee $ 2,422,924.03 I Noteholders' Carryover Interest $ 2,422,924.03 J Certificateholders' Carryover Return $ 2,422,924.03 K Excess Distribution $ 2,422,924.03 Waterfall Triggers A B C D E F Student Loan Principal Outstanding Borrower Interest Accrued Interest Subsidy Payments Accrued Special Allowance Payments Accrued Reserve Account Balance (after any reinstatement) Total $ 349,016,153.07 $ 7,137,109.96 $ 407,208.95 $ 127,645.89 $ 359,694,369.87 G Class A Notes Outstanding (after application of available funds) $ 244,792,450.45 H Insolvency Event or Event of Default Under Indenture N I Available Funds Applied to Class A Noteholders Distribution Amount Before Any Amounts are Applied to Certificateholders' Distribution Amount (G>F or H=Y) N Page 8 of 9 Trust 1998-2 Quarterly Servicing Report: Collection Period 07/01/2006-09/30/2006, Distribution Date 10/25/2006
VIII. 1998-2 Distributions A Distribution Amounts A2 Certs Cusip/Isin Beginning Balance Index Spread/Fixed Rate Record Date (Days Prior to Distribution Date) Accrual Period Begin Accrual Period End Daycount Fraction Interest Rate * Accrued Interest Factor Current Interest Due Interest Shortfall from Prior Period Plus Accrued Interest Total Interest Due Interest Paid Interest Shortfall Carryover Interest Shortfall from Prior Period Plus Accrued Interest Current Interest Carryover Due Interest Carryover Paid Unpaid Interest Carryover Principal Paid Ending Principal Balance Paydown Factor Ending Balance Factor 78442GBB1 $284,832,745.19 TBILL 0.73% 1 NEW YORK BUSINESS DAY 07/25/06 10/25/06 0.25205479 5.75871% 0.014515096 $4,134,374.61 $4,134,374.61 $4,134,374.61 $40,040,294.74 $244,792,450.45 0.032367302 0.197882439 78442GBC9 $105,750,000.00 TBILL 0.95% 1 NEW YORK BUSINESS DAY 07/25/06 10/25/06 0.25205479 5.97871% 0.015069616 $1,593,611.94 $1,593,611.94 $1,593,611.94 $105,750,000.00 0.000000000 1.000000000 B Principal Distribution Reconciliation Prior Adjusted Pool Balance Current Adjusted Pool Balance Current Principal Due Principal Shortfall from Previous Collection Period Principal Distribution Amount Principal Paid Principal Shortfall $ 350,542,450.45 $ 40,040,294.74 0.00 $ 40,040,294.74 $ 40,040,294.74 C Reserve Account Reconciliation Beginning Period Balance Reserve Funds Utilized 0.00 Reserve Funds Reinstated 0.00 Excess Distribution Deposit 2,422,924.03 Balance Available $ 5,429,176.03 Required Reserve Acct Balance Release to Excess Distribution Certificateholder $ 2,422,924.03 Ending Reserve Account Balance * Pay rates for Current Distribution. For the interest rates applicable to the next distribution date, please see http://www.salliemae.com/salliemae/investor/slmtrust/extracts/abrate.txt Page 9 of 9 Trust 1998-2 Quarterly Servicing Report: Collection Period 07/01/2006-09/30/2006, Distribution Date 10/25/2006