Exhibit 99.1
GM Financial Automobile Leasing Trust 2025-3
4.610% Exchange Note
Class A-1 4.35900% Asset Backed Notes
Class A-2A 4.19% Asset Backed Notes
Class A-2B Floating Asset Backed Notes
Class A-3 4.17% Asset Backed Notes
Class A-4 4.20% Asset Backed Notes
Class B 4.41% Asset Backed Notes
Class C 4.60% 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: | 13 |
| 2025-3 | Original Agg. | |||||||||||
| Designated Pool | Units | Start Date | Closing Date | Securitization Value | ||||||||
| 33,089 | 07/02/2025 | 08/13/2025 | $ | 1,105,522,523 | ||||||||
| Total | 33,089 | $ | 1,105,522,523 | |||||||||
RECONCILIATION OF 2025-3 DESIGNATED POOL AGGREGATE SECURITIZATION VALUE
| {1} | Beginning of period Aggregate Securitization Value | {1} | $ | 818,496,201 | ||||||||
| {2} | Reduction in Agg. Securitization Value due to payments | {2} | 8,136,601 | |||||||||
| {3} | Reduction in Agg. Securitization Value due to Defaulted Leases | {3} | 1,231,294 | |||||||||
| {4} | Reduction in Agg. Securitization Value due to early terminations, dealer buyouts, cancellations, repurchases | {4} | 21,347,290 | |||||||||
| {5} | Other adjustments | {5} | 0 | |||||||||
| {6} | Total change in Agg. Securitization Value | {6} | 30,715,185 | |||||||||
| {7} | End of period Aggregate Securitization Value | {7} | $ | 787,781,016 | ||||||||
| {8} | Pool Factor | {8} | 71.258703 | % | ||||||||
RECONCILIATION OF 2025-3 EXCHANGE NOTE
| {9} | Original Exchange Note Balance | {9} | $ | 1,050,000,000 | ||||
| {10} | Beginning of period Exchange Note Balance | {10} | $ | 762,973,678 | ||||
| {11} | Exchange Note Principal Payment Amount | {11} | 30,715,185 | |||||
| {12} | End of period Exchange Note Balance | {12} | $ | 732,258,493 | ||||
| {13} | Note Pool Factor | {13} | 69.738904 | % |
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} | $ | 134,310,000 | $ | 215,600,000 | $ | 135,000,000 | $ | 350,500,000 | $ | 65,000,000 | ||||||||||||
| {15} | Beginning of period Note Balance | {15} | $ | 0 | $ | 114,914,138 | $ | 71,954,585 | $ | 350,500,000 | $ | 65,000,000 | ||||||||||||
| {16} | Noteholders’ Principal Distributable Amount | {16} | 0 | 18,888,174 | 11,827,011 | 0 | 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 | $ | 96,025,964 | $ | 60,127,574 | $ | 350,500,000 | $ | 65,000,000 | ||||||||||||
| {21} | Note Pool Factor | {21} | 0.000000 | % | 44.538944 | % | 44.538944 | % | 100.0000000 | % | 100.000000 | % | ||||||||||||
| Class B | Class C | TOTAL | ||||||||||||||
| {22} | Original Note Balance | {22} | $ | 49,190,000 | $ | 45,330,000 | $ | 994,930,000 | ||||||||
| {23} | Beginning of period Note Balance | {23} | $ | 49,190,000 | $ | 45,330,000 | $ | 696,888,723 | ||||||||
| {24} | Noteholders’ Principal Distributable Amount | {24} | 0 | 0 | 30,715,185 | |||||||||||
| {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} | $ | 49,190,000 | $ | 45,330,000 | $ | 666,173,538 | ||||||||
| {29} | Note Pool Factor | {29} | 100.000000 | % | 100.000000 | % | 66.956825 | % | ||||||||
EXCHANGE NOTE MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS
Principal payment calculation:
| {30} | Beginning of period Designated Pool Balance | {30} | $ | 818,496,201 | ||||||||
| {31} | Ending Designated Pool Balance | {31} | 787,781,016 | |||||||||
| {32} | Unpaid prior Exchange Note Principal Payment Amount | {32} | 0 | |||||||||
| {33} | Sum of {31} + {32} | {33} | 787,781,016 | |||||||||
| {34} | Exchange Note Principal Payment Amount {30} - {33} | {34} | $ | 30,715,185 |
Interest calculation:
| Beg Note Balance | Interest Carryover | Interest Rate | Days | Days Basis | Interest | |||||||||||||||||||
| {35} | $ | 762,973,678 | $ | 0 | 4.610 | % | 30 | 30/360 | $ | 2,931,091 | ||||||||||||||
2
RECONCILIATION OF EXCHANGE NOTE COLLECTION ACCOUNT
Additions:
| {36} | 2025-3 Designated Pool Collections (net of Liquidation Proceeds and fees) | {36} | $ | 14,086,406 | ||||||||
| {37} | Net Liquidation Proceeds collected during period | {37} | 24,243,372 | |||||||||
| {38} | Investment Earnings | {38} | 116,863 | |||||||||
| {39} | Investment Earnings - transferred to Indenture Note Collection Account | {39} | (116,863 | ) | ||||||||
| {40} | Deposit from Servicer | {40} | 0 | |||||||||
| {41} | Total Additions: | {41} | 38,329,778 |
Distributions:
| {42} | To the Servicer, Designated Pool Servicing Fee | {42} | 682,080 | |||||||||
| {43} | To the 2025-3 Exchange Noteholder, the Exchange Note Interest Payment Amount | {43} | 2,931,091 | |||||||||
| {44} | To the 2025-3 Exchange Noteholder, the Exchange Note Principal Payment Amount | {44} | 30,715,185 | |||||||||
| {45} | To the 2025-3 Exchange Noteholder, any funds available to pay obligations pursuant to Indenture Section 8.3 (a)(i) through (xiv) | {45} | 0 | |||||||||
| {46} | To the 2025-3 Exchange Noteholder, all remaining funds to be applied as Excess Exchange Note Payments | {46} | 4,001,422 | |||||||||
| {47} | Total Distributions: | {47} | $ | 38,329,778 |
NOTEHOLDERS’ MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS
Noteholders’ Principal Distributable calculation:
| {48} | Beginning Agg. Securitization Value | {48} | $ | 818,496,201 | ||||||||||||||||
| {49} | Ending Agg. Securitization Value | {49} | 787,781,016 | |||||||||||||||||
| {50} | Principal Distributable Amount {48} - {49} | {50} | 30,715,185 | |||||||||||||||||
| {51} | Noteholders’ Principal Carryover Amount | {51} | 0 | |||||||||||||||||
| {52} | Principal Distributable Amount + Noteholders’ Principal Carryover Amount | {52} | 30,715,185 | |||||||||||||||||
| {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} | 30,715,185 | |||||||||||||||||
| {54} | Noteholders’ Principal Distributable Amount Lesser of {52} and {53} | {54} | $ | 30,715,185 |
Noteholders’ Interest Distributable calculation:
| Class | Beg Note Balance | Interest Carryover | Interest Rate | Days | Days Basis | Interest | ||||||||||||||||||
| {55} | Class A-1 | $ | 0 | $ | 0 | 4.35900 | % | 32 | Actual/360 | $ | 0 | |||||||||||||
| {56} | Class A-2A | $ | 114,914,138 | 0 | 4.19 | % | 30 | 30/360 | 401,242 | |||||||||||||||
| {57} | Class A-2B | $ | 71,954,585 | 0 | 3.98884 | % | 32 | Actual/360 | 255,125 | |||||||||||||||
| {58} | Class A-3 | $ | 350,500,000 | 0 | 4.17 | % | 30 | 30/360 | 1,217,988 | |||||||||||||||
| {59} | Class A-4 | $ | 65,000,000 | 0 | 4.20 | % | 30 | 30/360 | 227,500 | |||||||||||||||
| {60} | Class B | $ | 49,190,000 | 0 | 4.41 | % | 30 | 30/360 | 180,774 | |||||||||||||||
| {61} | Class C | $ | 45,330,000 | 0 | 4.60 | % | 30 | 30/360 | 173,765 | |||||||||||||||
3
RECONCILIATION OF INDENTURE COLLECTION ACCOUNT
Available Funds:
| {62} | 2025-3 Exchange Note Collections | {62} | $ | 37,647,698 | ||||||||
| {63} | Investment Earnings | {63} | 0 | |||||||||
| {64} | Investment Earnings - transferred from Exchange Note Collection Account | {64} | 116,863 | |||||||||
| {65} | Investment Earnings - and amounts released from Reserve Account pursuant to Section 2.14(b)(ii) of Servicing Supplement | {65} | 8,271 | |||||||||
| {66} | Optional Purchase Price | {66} | 0 | |||||||||
| {67} | Indenture Section 5.4 disposition of Collateral | {67} | 0 | |||||||||
| {68} | Available Funds: | {68} | 37,772,832 | |||||||||
| {69} | Reserve Account Withdrawal Amount | {69} | 0 | |||||||||
| {70} | Total Distributable Funds: | {70} | 37,772,832 |
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} | 401,242 | |||||||||
| {77} | Class A-2B Noteholders’ Interest Distributable Amount pari passu | {77} | 255,125 | |||||||||
| {78} | Class A-3 Noteholders’ Interest Distributable Amount pari passu | {78} | 1,217,988 | |||||||||
| {79} | Class A-4 Noteholders’ Interest Distributable Amount pari passu | {79} | 227,500 | |||||||||
| {80} | Class A Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {80} | 0 | |||||||||
| {81} | Class B Noteholders’ Interest Distributable Amount | {81} | 180,774 | |||||||||
| {82} | Class B Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {82} | 0 | |||||||||
| {83} | Class C Noteholders’ Interest Distributable Amount | {83} | 173,765 | |||||||||
| {84} | Class C Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {84} | 0 | |||||||||
| {85} | Noteholders’ Principal Distributable Amount | {85} | 30,715,185 | |||||||||
| {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} | 4,600,586 | |||||||||
| {93} | Total Distributions: | {93} | $ | 37,772,832 |
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 | $ | 602,368,723 | $ | 787,781,016 | $ | 0 | $ | 35,670,310 | $ | 0 | |||||||||||
| {95} | Class B | 651,558,723 | 787,781,016 | 0 | 35,489,536 | 0 | ||||||||||||||||
| {96} | Class C | 696,888,723 | 787,781,016 | 0 | 35,315,771 | 0 | ||||||||||||||||
ACCELERATED PRINCIPAL AMOUNT CALCULATION
| {97} | Excess Total Available Funds | {97} | $ | 4,600,586 | ||||||||||||||||
| {98} | Beginning Note Balance | {98} | 696,888,723 | |||||||||||||||||
| {99} | Principal payments through Indenture Section 8.3 (a) (i) through (xii) | {99} | 30,715,185 | |||||||||||||||||
| {100} | Pro-Forma Note Balance | {100} | 666,173,538 | |||||||||||||||||
| {101} | Ending Aggregate Securitization Value | {101} | 787,781,016 | |||||||||||||||||
| {102} | 11.0% of Aggregate Securitization Value as of Cutoff until Class A-2 is paid in full, 10.5% Thereafter ($121,607,478) | {102} | 121,607,478 | |||||||||||||||||
| {103} | Required Pro Forma Note Balance {101} - {102} | {103} | 666,173,538 | |||||||||||||||||
| {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} | $ | 787,781,016 | ||||||||
| {107} | End of Period Note Balance | {107} | 732,258,493 | |||||||||
| {108} | Overcollateralization | {108} | 55,522,523 | |||||||||
| {109} | Overcollateralization % | {109} | 7.05 | % |
Asset Backed Notes:
| {110} | Ending Aggregate Securitization Value | {110} | 787,781,016 | |||||||||
| {111} | End of Period Note Balance | {111} | 666,173,538 | |||||||||
| {112} | Overcollateralization | {112} | 121,607,478 | |||||||||
| {113} | Overcollateralization % | {113} | 15.44 | % |
5
RECONCILIATION OF 2025-3 CASH RESERVE ACCOUNT
| {114} | Specified Reserve Balance | {114} | $ | 2,763,806 | ||||||||
| {115} | Beginning of Period Reserve Account balance | {115} | $ | 2,763,806 | ||||||||
| {116} | Investment Earnings | {116} | 8,271 | |||||||||
| {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} | 2,772,077 | |||||||||
| {120} | Specified Reserve Balance | {120} | 2,763,806 | |||||||||
| {121} | Release Excess Cash to Indenture Collection Available Funds | {121} | 8,271 | |||||||||
| {122} | End of period Reserve Account balance | {122} | $ | 2,763,806 |
ASSET REPRESENTATIONS REVIEW DELINQUENCY TRIGGER
| Dollars | Percentage | |||||||||||
| {123} | Receivables with Scheduled Payment delinquent 61 days or more | {123} | $ | 1,435,283 | 0.18 | % | ||||||
| {124} | Compliance (Trigger Violation is a Delinquency Rate Greater Than 2.10%) | {124} | Yes | |||||||||
| By: | /s/ Ellen Billings | ||
| Name: | Ellen Billings | ||
| Title: | Senior Vice President, Controller – North America | ||
| Date: | September 16, 2026 |
6
GM Financial
GMALT 2025-3
Supplemental Monthly Data
August 31, 2026
| Aggregate Securitization Value | Residual Value | |||||||||
| Beginning of Period | $ | 818,496,201 | $ | 700,835,277 | ||||||
| Change | (30,715,185 | ) | (21,225,662 | ) | ||||||
| End of Period | $ | 787,781,016 | $ | 679,609,615 | ||||||
| Residual Value as % of Agg. Securitization Value | 86.27 | % | ||||||||
Delinquency
| Leases with scheduled payment delinquent | Number of Leases | Agg. Securitization Value | Percentage(1) | |||||||||||
| 0 - 30 days | 26,466 | 782,913,861 | 99.38 | % | ||||||||||
| 31 - 60 days | 107 | 3,431,872 | 0.44 | % | ||||||||||
| 61 - 90 days | 42 | 1,303,704 | 0.17 | % | ||||||||||
| 91 - 120 days | 4 | 131,579 | 0.02 | % | ||||||||||
| Total | 26,619 | 787,781,016 | 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 | 306 | 8,494,519 | 3,372 | 103,280,171 | ||||||||||||||
| Standard terminations | 120 | 2,834,364 | 643 | 14,859,874 | ||||||||||||||
| Total retained by lessee | 426 | 11,328,883 | 4,015 | 118,140,045 | ||||||||||||||
| Returned Vehicles | ||||||||||||||||||
| Early terminations | 194 | 5,500,165 | 1,179 | 33,544,345 | ||||||||||||||
| Standard terminations | 153 | 4,518,242 | 637 | 17,952,585 | ||||||||||||||
| Total returned to dealer | 347 | 10,018,407 | 1,816 | 51,496,930 | ||||||||||||||
| Charged off leases / Repossessed vehicles | 41 | 1,231,294 | 638 | 19,937,207 | ||||||||||||||
| Repurchases | 0 | 0 | 1 | 33,892 | ||||||||||||||
| Other | 0 | 0 | 0 | 0 | ||||||||||||||
| Total terminations | 814 | 22,578,584 | 6,470 | 189,608,074 | ||||||||||||||
Lease Extensions/Deferments
| Current Period | ||||||||||||||
| Number of Leases | Agg. Securitization Value | Percentage | ||||||||||||
| Term Extensions | 57 | 1,425,313 | 0.17 | % | ||||||||||
| Deferments | 12 | 500,465 | 0.06 | % | ||||||||||
7
Net Credit (Gain) Loss
| Current Period | Cumulative | |||||||||||
| Agg. Securitized Value of early term defaults | 1,231,294 | 19,937,207 | ||||||||||
| less: Sales proceeds | 1,179,682 | 19,641,383 | ||||||||||
| less: Excess wear and excess mileage received | 470 | 3,574 | ||||||||||
| less: Other amounts received | 0 | 0 | ||||||||||
| Net Credit (Gain) Loss | 51,142 | 292,250 | ||||||||||
Residual (Gain) Loss on Returned Vehicles
| Agg. Securitized Value of returned vehicles sold by Servicer | 9,953,196 | 51,287,154 | ||||||||||
| add: Reimbursement of outstanding residual advance | N/A | N/A | ||||||||||
| less: Sales proceeds | 10,237,959 | 55,480,408 | ||||||||||
| less: Excess wear and excess mileage received | 48,047 | 213,869 | ||||||||||
| less: Other recovery amounts | 0 | 0 | ||||||||||
| Residual (Gain) Loss | (332,810 | ) | (4,407,123 | ) | ||||||||
| Current Period | Prev. Month | |||||||||
| Prepay Speed | 0.7030 | % | 0.9081 | % | ||||||
| Return Rate based on Scheduled to Terminate(2) | 53.6321 | % | 72.9792 | % | ||||||
| Return Rate based on Terminated Leases(3) | 42.6290 | % | 39.5000 | % | ||||||
| (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