Exhibit 99.1
GM Financial Automobile Leasing Trust 2025-1
5.000% Exchange Note
Class A-1 4.40800% Asset Backed Notes
Class A-2A 4.54% Asset Backed Notes
Class A-2B Floating Asset Backed Notes
Class A-3 4.66% Asset Backed Notes
Class A-4 4.70% Asset Backed Notes
Class B 4.89% Asset Backed Notes
Class C 4.99% Asset Backed Notes
Servicer’s Certificate
| Beginning of Period: | 08/01/26 | ||||
| End of Period: | 08/31/26 | ||||
| Number of days in Interest Period (Actual/360): | 32 | ||||
| Number of days in Collection Period: | 31 | ||||
| Report Due Date: | 09/17/26 | ||||
| Distribution Date: | 09/21/26 | ||||
| Transaction Month: | 19 |
| 2025-1 | Original Agg. | |||||||||||
| Designated Pool | Units | Start Date | Closing Date | Securitization Value | ||||||||
| 60,223 | 01/02/2025 | 02/12/2025 | $ | 1,964,866,245 | ||||||||
| Total | 60,223 | $ | 1,964,866,245 | |||||||||
RECONCILIATION OF 2025-1 DESIGNATED POOL AGGREGATE SECURITIZATION VALUE
| {1} | Beginning of period Aggregate Securitization Value | {1} | $ | 1,079,083,290 | ||||||||
| {2} | Reduction in Agg. Securitization Value due to payments | {2} | 11,065,180 | |||||||||
| {3} | Reduction in Agg. Securitization Value due to Defaulted Leases | {3} | 1,359,199 | |||||||||
| {4} | Reduction in Agg. Securitization Value due to early terminations, dealer buyouts, cancellations, repurchases | {4} | 72,704,587 | |||||||||
| {5} | Other adjustments | {5} | 0 | |||||||||
| {6} | Total change in Agg. Securitization Value | {6} | 85,128,966 | |||||||||
| {7} | End of period Aggregate Securitization Value | {7} | $ | 993,954,324 | ||||||||
| {8} | Pool Factor | {8} | 50.586361 | % | ||||||||
RECONCILIATION OF 2025-1 EXCHANGE NOTE
| {9} | Original Exchange Note Balance | {9} | $ | 1,870,000,000 | ||||
| {10} | Beginning of period Exchange Note Balance | {10} | $ | 984,217,045 | ||||
| {11} | Exchange Note Principal Payment Amount | {11} | 85,128,966 | |||||
| {12} | End of period Exchange Note Balance | {12} | $ | 899,088,079 | ||||
| {13} | Note Pool Factor | {13} | 48.079576 | % |
1
RECONCILIATION OF THE ASSET BACKED NOTES
| Class A-1 | Class A-2A | Class A-2B | Class A-3 | Class A-4 | ||||||||||||||||||||
| {14} | Original Note Balance | {14} | $ | 226,890,000 | $ | 267,720,000 | $ | 365,000,000 | $ | 632,710,000 | $ | 108,070,000 | ||||||||||||
| {15} | Beginning of period Note Balance | {15} | $ | 0 | $ | 0 | $ | 0 | $ | 586,878,003 | $ | 108,070,000 | ||||||||||||
| {16} | Noteholders’ Principal Distributable Amount | {16} | 0 | 0 | 0 | 75,304,635 | 0 | |||||||||||||||||
| {17} | Noteholders’ Accelerated Principal Amount | {17} | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| {18} | Aggregate Principal Parity Amount | {18} | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| {19} | Matured Principal Shortfall | {19} | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| {20} | End of period Note Balance | {20} | $ | 0 | $ | 0 | $ | 0 | $ | 511,573,368 | $ | 108,070,000 | ||||||||||||
| {21} | Note Pool Factor | {21} | 0.000000 | % | 0.000000 | % | 0.000000 | % | 80.8543200 | % | 100.000000 | % | ||||||||||||
| Class B | Class C | TOTAL | ||||||||||||||
| {22} | Original Note Balance | {22} | $ | 87,500,000 | $ | 80,500,000 | $ | 1,768,390,000 | ||||||||
| {23} | Beginning of period Note Balance | {23} | $ | 87,500,000 | $ | 80,500,000 | $ | 862,948,003 | ||||||||
| {24} | Noteholders’ Principal Distributable Amount | {24} | 0 | 0 | 75,304,635 | |||||||||||
| {25} | Noteholders’ Accelerated Principal Amount | {25} | 0 | 0 | 0 | |||||||||||
| {26} | Aggregate Principal Parity Amount | {26} | 0 | 0 | 0 | |||||||||||
| {27} | Matured Principal Shortfall | {27} | 0 | 0 | 0 | |||||||||||
| {28} | End of period Note Balance | {28} | $ | 87,500,000 | $ | 80,500,000 | $ | 787,643,368 | ||||||||
| {29} | Note Pool Factor | {29} | 100.000000 | % | 100.000000 | % | 44.540139 | % | ||||||||
EXCHANGE NOTE MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS
Principal payment calculation:
| {30} | Beginning of period Designated Pool Balance | {30} | $ | 1,079,083,290 | ||||||||
| {31} | Ending Designated Pool Balance | {31} | 993,954,324 | |||||||||
| {32} | Unpaid prior Exchange Note Principal Payment Amount | {32} | 0 | |||||||||
| {33} | Sum of {31} + {32} | {33} | 993,954,324 | |||||||||
| {34} | Exchange Note Principal Payment Amount {30} - {33} | {34} | $ | 85,128,966 |
Interest calculation:
| Beg Note Balance | Interest Carryover | Interest Rate | Days | Days Basis | Interest | |||||||||||||||||||
| {35} | $ | 984,217,045 | $ | 0 | 5.000 | % | 30 | 30/360 | $ | 4,100,905 | ||||||||||||||
2
RECONCILIATION OF EXCHANGE NOTE COLLECTION ACCOUNT
Additions:
| {36} | 2025-1 Designated Pool Collections (net of Liquidation Proceeds and fees) | {36} | $ | 18,873,225 | ||||||||
| {37} | Net Liquidation Proceeds collected during period | {37} | 78,999,230 | |||||||||
| {38} | Investment Earnings | {38} | 293,919 | |||||||||
| {39} | Investment Earnings - transferred to Indenture Note Collection Account | {39} | (293,919 | ) | ||||||||
| {40} | Deposit from Servicer | {40} | 0 | |||||||||
| {41} | Total Additions: | {41} | 97,872,455 |
Distributions:
| {42} | To the Servicer, Designated Pool Servicing Fee | {42} | 899,236 | |||||||||
| {43} | To the 2025-1 Exchange Noteholder, the Exchange Note Interest Payment Amount | {43} | 4,100,905 | |||||||||
| {44} | To the 2025-1 Exchange Noteholder, the Exchange Note Principal Payment Amount | {44} | 85,128,966 | |||||||||
| {45} | To the 2025-1 Exchange Noteholder, any funds available to pay obligations pursuant to Indenture Section 8.3 (a)(i) through (xiv) | {45} | 0 | |||||||||
| {46} | To the 2025-1 Exchange Noteholder, all remaining funds to be applied as Excess Exchange Note Payments | {46} | 7,743,348 | |||||||||
| {47} | Total Distributions: | {47} | $ | 97,872,455 |
NOTEHOLDERS’ MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS
Noteholders’ Principal Distributable calculation:
| {48} | Beginning Agg. Securitization Value | {48} | $ | 1,079,083,290 | ||||||||||||||||
| {49} | Ending Agg. Securitization Value | {49} | 993,954,324 | |||||||||||||||||
| {50} | Principal Distributable Amount {48} - {49} | {50} | 85,128,966 | |||||||||||||||||
| {51} | Noteholders’ Principal Carryover Amount | {51} | 0 | |||||||||||||||||
| {52} | Principal Distributable Amount + Noteholders’ Principal Carryover Amount | {52} | 85,128,966 | |||||||||||||||||
| {53} | Amount required to reduce Outstanding Amount after giving effect to distributions made pursuant to Indenture Section 8.3 (a) (i) through (x) to the Required Pro Forma Note Balance | {53} | 75,304,635 | |||||||||||||||||
| {54} | Noteholders’ Principal Distributable Amount Lesser of {52} and {53} | {54} | $ | 75,304,635 |
Noteholders’ Interest Distributable calculation:
| Class | Beg Note Balance | Interest Carryover | Interest Rate | Days | Days Basis | Interest | ||||||||||||||||||
| {55} | Class A-1 | $ | 0 | $ | 0 | 4.40800 | % | 32 | Actual/360 | $ | 0 | |||||||||||||
| {56} | Class A-2A | $ | 0 | 0 | 4.54 | % | 30 | 30/360 | 0 | |||||||||||||||
| {57} | Class A-2B | $ | 0 | 0 | 4.04884 | % | 32 | Actual/360 | 0 | |||||||||||||||
| {58} | Class A-3 | $ | 586,878,003 | 0 | 4.66 | % | 30 | 30/360 | 2,279,043 | |||||||||||||||
| {59} | Class A-4 | $ | 108,070,000 | 0 | 4.70 | % | 30 | 30/360 | 423,275 | |||||||||||||||
| {60} | Class B | $ | 87,500,000 | 0 | 4.89 | % | 30 | 30/360 | 356,563 | |||||||||||||||
| {61} | Class C | $ | 80,500,000 | 0 | 4.99 | % | 30 | 30/360 | 334,746 | |||||||||||||||
3
RECONCILIATION OF INDENTURE COLLECTION ACCOUNT
Available Funds:
| {62} | 2025-1 Exchange Note Collections | {62} | $ | 96,973,219 | ||||||||
| {63} | Investment Earnings | {63} | 0 | |||||||||
| {64} | Investment Earnings - transferred from Exchange Note Collection Account | {64} | 293,919 | |||||||||
| {65} | Investment Earnings - and amounts released from Reserve Account pursuant to Section 2.14(b)(ii) of Servicing Supplement | {65} | 14,987 | |||||||||
| {66} | Optional Purchase Price | {66} | 0 | |||||||||
| {67} | Indenture Section 5.4 disposition of Collateral | {67} | 0 | |||||||||
| {68} | Available Funds: | {68} | 97,282,125 | |||||||||
| {69} | Reserve Account Withdrawal Amount | {69} | 0 | |||||||||
| {70} | Total Distributable Funds: | {70} | 97,282,125 |
Distributions:
| {71} | To the Successor Servicer, unpaid transition expenses, pro rata | {71} | 0 | |||||||||
| {72} | To the Indenture Trustee, any accrued and unpaid fees & expenses, pro rata | {72} | 417 | |||||||||
| {73} | To the Issuer Owner Trustee, any accrued and unpaid fees & expenses, pro rata | {73} | 250 | |||||||||
| {74} | To the Asset Representations Reviewer, any accrued and unpaid fees & expenses, pro rata | {74} | 0 | |||||||||
| {75} | Class A-1 Noteholders’ Interest Distributable Amount pari passu | {75} | 0 | |||||||||
| {76} | Class A-2A Noteholders’ Interest Distributable Amount pari passu | {76} | 0 | |||||||||
| {77} | Class A-2B Noteholders’ Interest Distributable Amount pari passu | {77} | 0 | |||||||||
| {78} | Class A-3 Noteholders’ Interest Distributable Amount pari passu | {78} | 2,279,043 | |||||||||
| {79} | Class A-4 Noteholders’ Interest Distributable Amount pari passu | {79} | 423,275 | |||||||||
| {80} | Class A Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {80} | 0 | |||||||||
| {81} | Class B Noteholders’ Interest Distributable Amount | {81} | 356,563 | |||||||||
| {82} | Class B Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {82} | 0 | |||||||||
| {83} | Class C Noteholders’ Interest Distributable Amount | {83} | 334,746 | |||||||||
| {84} | Class C Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {84} | 0 | |||||||||
| {85} | Noteholders’ Principal Distributable Amount | {85} | 75,304,635 | |||||||||
| {86} | To the Reserve Account, the Reserve Account Required Amount | {86} | 0 | |||||||||
| {87} | To the Noteholders, the Accelerated Principal Amount (as calculated below) | {87} | 0 | |||||||||
| {88} | To the Successor Servicer, any amounts in excess of the caps set forth, pro rata | {88} | 0 | |||||||||
| {89} | To the Indenture Trustee, any amounts in excess of the caps set forth, pro rata | {89} | 0 | |||||||||
| {90} | To the Asset Representations Reviewer, any amounts in excess of the caps set forth, pro rata | {90} | 0 | |||||||||
| {91} | To the Issuer Owner Trustee, any amounts in excess of the caps set forth, pro rata | {91} | 0 | |||||||||
| {92} | To the Issuer Trust Certificateholders, the aggregate amount remaining | {92} | 18,583,196 | |||||||||
| {93} | Total Distributions: | {93} | $ | 97,282,125 |
4
PRINCIPAL PARITY AMOUNT CALCULATION
| Class | (X) Cumulative Note Balance | (Y) Aggregate Securitization Value | (I) Excess of (X) - (Y) | (II) Total Available Funds in Indenture Collection Account | Lesser of (I) or (II) | |||||||||||||||||
| {94} | Class A | $ | 694,948,003 | $ | 993,954,324 | $ | 0 | $ | 94,579,140 | $ | 0 | |||||||||||
| {95} | Class B | 782,448,003 | 993,954,324 | 0 | 94,222,577 | 0 | ||||||||||||||||
| {96} | Class C | 862,948,003 | 993,954,324 | 0 | 93,887,831 | 0 | ||||||||||||||||
ACCELERATED PRINCIPAL AMOUNT CALCULATION
| {97} | Excess Total Available Funds | {97} | $ | 18,583,196 | ||||||||||||||||
| {98} | Beginning Note Balance | {98} | 862,948,003 | |||||||||||||||||
| {99} | Principal payments through Indenture Section 8.3 (a) (i) through (xii) | {99} | 75,304,635 | |||||||||||||||||
| {100} | Pro-Forma Note Balance | {100} | 787,643,368 | |||||||||||||||||
| {101} | Ending Aggregate Securitization Value | {101} | 993,954,324 | |||||||||||||||||
| {102} | 11.0% of Aggregate Securitization Value as of Cutoff until Class A-2 is paid in full, 10.5% Thereafter ($216,135,287) | {102} | 206,310,956 | |||||||||||||||||
| {103} | Required Pro Forma Note Balance {101} - {102} | {103} | 787,643,368 | |||||||||||||||||
| {104} | Excess of Pro Forma Balance minus Required Pro Forma Balance {100} - {103} | {104} | 0 | |||||||||||||||||
| {105} | Lesser of Excess Total Available Funds and Excess of Pro Forma Note Balance | {105} | $ | 0 |
OVERCOLLATERALIZATION CALCULATIONS
Exchange Note:
| {106} | Ending Aggregate Securitization Value | {106} | $ | 993,954,324 | ||||||||
| {107} | End of Period Note Balance | {107} | 899,088,079 | |||||||||
| {108} | Overcollateralization | {108} | 94,866,245 | |||||||||
| {109} | Overcollateralization % | {109} | 9.54 | % |
Asset Backed Notes:
| {110} | Ending Aggregate Securitization Value | {110} | 993,954,324 | |||||||||
| {111} | End of Period Note Balance | {111} | 787,643,368 | |||||||||
| {112} | Overcollateralization | {112} | 206,310,956 | |||||||||
| {113} | Overcollateralization % | {113} | 20.76 | % |
5
RECONCILIATION OF 2025-1 CASH RESERVE ACCOUNT
| {114} | Specified Reserve Balance | {114} | $ | 4,912,166 | ||||||||
| {115} | Beginning of Period Reserve Account balance | {115} | $ | 4,912,166 | ||||||||
| {116} | Investment Earnings | {116} | 14,987 | |||||||||
| {117} | From the Indenture Collection Account, the Reserve Account Required Amount | {117} | 0 | |||||||||
| {118} | To the Indenture Collection Account, the Reserve Account Withdrawal Amount | {118} | 0 | |||||||||
| {119} | Total Reserve balance available: | {119} | 4,927,153 | |||||||||
| {120} | Specified Reserve Balance | {120} | 4,912,166 | |||||||||
| {121} | Release Excess Cash to Indenture Collection Available Funds | {121} | 14,987 | |||||||||
| {122} | End of period Reserve Account balance | {122} | $ | 4,912,166 |
ASSET REPRESENTATIONS REVIEW DELINQUENCY TRIGGER
| Dollars | Percentage | |||||||||||
| {123} | Receivables with Scheduled Payment delinquent 61 days or more | {123} | $ | 3,263,603 | 0.33 | % | ||||||
| {124} | Compliance (Trigger Violation is a Delinquency Rate Greater Than 2.10%) | {124} | Yes | |||||||||
| By: | /s/ Randal L. Willis | ||
| Name: | Randal L. Willis | ||
| Title: | Senior Vice President, Securitization & Conduit Reporting | ||
| Date: | September 16, 2026 |
6
GM Financial
GMALT 2025-1
Supplemental Monthly Data
August 31, 2026
| Aggregate Securitization Value | Residual Value | |||||||||
| Beginning of Period | $ | 1,079,083,290 | $ | 966,290,102 | ||||||
| Change | (85,128,966 | ) | (71,535,129 | ) | ||||||
| End of Period | $ | 993,954,324 | $ | 894,754,973 | ||||||
| Residual Value as % of Agg. Securitization Value | 90.02 | % | ||||||||
Delinquency
| Leases with scheduled payment delinquent | Number of Leases | Agg. Securitization Value | Percentage(1) | |||||||||||
| 0 - 30 days | 35,865 | 985,788,806 | 99.18 | % | ||||||||||
| 31 - 60 days | 160 | 4,901,915 | 0.49 | % | ||||||||||
| 61 - 90 days | 87 | 2,659,349 | 0.27 | % | ||||||||||
| 91 - 120 days | 19 | 604,254 | 0.06 | % | ||||||||||
| Total | 36,131 | 993,954,324 | 100.00 | % | ||||||||||
Lease Terminations
| Current Period | Cumulative | |||||||||||||||||
| Number of Leases | Agg. Securitization Value | Number of Leases | Agg. Securitization Value | |||||||||||||||
| Retained vehicles by lessee | ||||||||||||||||||
| Early terminations | 967 | 24,013,173 | 11,821 | 334,911,969 | ||||||||||||||
| Standard terminations | 522 | 11,572,701 | 3,216 | 71,952,210 | ||||||||||||||
| Total retained by lessee | 1,489 | 35,585,874 | 15,037 | 406,864,179 | ||||||||||||||
| Returned Vehicles | ||||||||||||||||||
| Early terminations | 570 | 16,338,499 | 4,371 | 122,945,071 | ||||||||||||||
| Standard terminations | 690 | 20,780,215 | 3,208 | 90,909,409 | ||||||||||||||
| Total returned to dealer | 1,260 | 37,118,714 | 7,579 | 213,854,480 | ||||||||||||||
| Charged off leases / Repossessed vehicles | 48 | 1,359,199 | 1,476 | 45,972,225 | ||||||||||||||
| Repurchases | 0 | 0 | 0 | 0 | ||||||||||||||
| Other | 0 | 0 | 0 | 0 | ||||||||||||||
| Total terminations | 2,797 | 74,063,787 | 24,092 | 666,690,884 | ||||||||||||||
Lease Extensions/Deferments
| Current Period | ||||||||||||||
| Number of Leases | Agg. Securitization Value | Percentage | ||||||||||||
| Term Extensions | 276 | 7,352,392 | 0.68 | % | ||||||||||
| Deferments | 19 | 861,620 | 0.08 | % | ||||||||||
7
Net Credit (Gain) Loss
| Current Period | Cumulative | |||||||||||
| Agg. Securitized Value of early term defaults | 1,359,199 | 45,972,225 | ||||||||||
| less: Sales proceeds | 2,185,109 | 46,679,704 | ||||||||||
| less: Excess wear and excess mileage received | 487 | 10,910 | ||||||||||
| less: Other amounts received | 0 | 0 | ||||||||||
| Net Credit (Gain) Loss | (826,397 | ) | (718,389 | ) | ||||||||
Residual (Gain) Loss on Returned Vehicles
| Agg. Securitized Value of returned vehicles sold by Servicer | 37,088,858 | 213,261,090 | ||||||||||
| add: Reimbursement of outstanding residual advance | N/A | N/A | ||||||||||
| less: Sales proceeds | 35,877,913 | 223,862,286 | ||||||||||
| less: Excess wear and excess mileage received | 243,457 | 1,089,748 | ||||||||||
| less: Other recovery amounts | 0 | 0 | ||||||||||
| Residual (Gain) Loss | 967,488 | (11,690,944 | ) | |||||||||
| Current Period | Prev. Month | |||||||||
| Prepay Speed | 0.7916 | % | 1.0557 | % | ||||||
| Return Rate based on Scheduled to Terminate(2) | 43.2247 | % | 52.7870 | % | ||||||
| Return Rate based on Terminated Leases(3) | 45.0483 | % | 41.7955 | % | ||||||
| (1) Percentages may not add to 100% due to rounding. |
| (2) Percentage of total number of vehicles returned to dealer over number of vehicles scheduled to terminate per month. |
| (3) Percentage of total number of vehicles returned to dealer over number of vehicles terminated per month. |
8