Exhibit 99.1
GM Financial Automobile Leasing Trust 2024-1
5.49% Exchange Note
Class A-1 5.51400% Asset Backed Notes
Class A-2A 5.18% Asset Backed Notes
Class A-2B Floating Asset Backed Notes
Class A-3 5.09% Asset Backed Notes
Class A-4 5.09% Asset Backed Notes
Class B 5.33% Asset Backed Notes
Class C 5.41% Asset Backed Notes
Class D 5.48% Asset Backed Notes
Servicer’s Certificate
| Beginning of Period: | 08/01/25 |
| End of Period: | 08/31/25 |
| Number of days in Interest Period (Actual/360): | 33 |
| Number of days in Collection Period: | 31 |
| Report Due Date: | 09/18/25 |
| Distribution Date: | 09/22/25 |
| Transaction Month: | 19 |
| Original Agg. | ||||||||||||
| 2024-1 Designated Pool | Units | Start Date | Closing Date | Securitization Value | ||||||||
| 55,552 | 01/03/2024 | 02/15/2024 | $ | 1,755,858,739 | ||||||||
| Total | 55,552 | $ | 1,755,858,739 | |||||||||
RECONCILIATION OF 2024-1 DESIGNATED POOL AGGREGATE SECURITIZATION VALUE
| {1} | Beginning of period Aggregate Securitization Value | {1} | $ | 951,889,918 | ||||||||
| {2} | Reduction in Agg. Securitization Value due to payments | {2} | 10,572,328 | |||||||||
| {3} | Reduction in Agg. Securitization Value due to Defaulted Leases | {3} | 1,426,260 | |||||||||
| {4} | Reduction in Agg. Securitization Value due to early terminations, dealer buyouts, cancellations, repurchases | {4} | 49,536,885 | |||||||||
| {5} | Other adjustments | {5} | 0 | |||||||||
| {6} | Total change in Agg. Securitization Value | {6} | 61,535,473 | |||||||||
| {7} | End of period Aggregate Securitization Value | {7} | $ | 890,354,445 | ||||||||
| {8} | Pool Factor | {8} | 50.707635 | % |
RECONCILIATION OF 2024-1 EXCHANGE NOTE
| {9} | Original Exchange Note Balance | {9} | $ | 1,690,000,000 | ||||
| {10} | Beginning of period Exchange Note Balance | {10} | $ | 886,031,179 | ||||
| {11} | Exchange Note Principal Payment Amount | {11} | 61,535,473 | |||||
| {12} | End of period Exchange Note Balance | {12} | $ | 824,495,706 | ||||
| {13} | Note Pool Factor | {13} | 48.786728 | % |
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} | $ | 246,120,000 | $ | 275,640,000 | $ | 275,640,000 | $ | 551,290,000 | $ | 75,250,000 | ||||||||||||
| {15} | Beginning of period Note Balance | {15} | $ | 0 | $ | 0 | $ | 0 | $ | 500,824,750 | $ | 75,250,000 | ||||||||||||
| {16} | Noteholders’ Principal Distributable Amount | {16} | 0 | 0 | 0 | 43,976,885 | 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 | $ | 456,847,865 | $ | 75,250,000 | ||||||||||||
| {21} | Note Pool Factor | {21} | 0.000000 | % | 0.000000 | % | 0.000000 | % | 82.8688830 | % | 100.000000 | % | ||||||||||||
| Class B | Class C | Class D | TOTAL | |||||||||||||||||
| {22} | Original Note Balance | {22} | $ | 76,400,000 | $ | 71,150,000 | $ | 43,900,000 | $ | 1,615,390,000 | ||||||||||
| {23} | Beginning of period Note Balance | {23} | $ | 76,400,000 | $ | 71,150,000 | $ | 43,900,000 | $ | 767,524,750 | ||||||||||
| {24} | Noteholders’ Principal Distributable Amount | {24} | 0 | 0 | 0 | 43,976,885 | ||||||||||||||
| {25} | Noteholders’ Accelerated Principal Amount | {25} | 0 | 0 | 0 | 0 | ||||||||||||||
| {26} | Aggregate Principal Parity Amount | {26} | 0 | 0 | 0 | 0 | ||||||||||||||
| {27} | Matured Principal Shortfall | {27} | 0 | 0 | 0 | 0 | ||||||||||||||
| {28} | End of period Note Balance | {28} | $ | 76,400,000 | $ | 71,150,000 | $ | 43,900,000 | $ | 723,547,865 | ||||||||||
| {29} | Note Pool Factor | {29} | 100.000000 | % | 100.000000 | % | 100.000000 | % | 44.790909 | % | ||||||||||
EXCHANGE NOTE MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS
| Principal payment calculation: | ||||||||||||
| {30} | Beginning of period Designated Pool Balance | {30} | $ | 951,889,918 | ||||||||
| {31} | Ending Designated Pool Balance | {31} | 890,354,445 | |||||||||
| {32} | Unpaid prior Exchange Note Principal Payment Amount | {32} | 0 | |||||||||
| {33} | Sum of {31} + {32} | {33} | 890,354,445 | |||||||||
| {34} | Exchange Note Principal Payment Amount {30} - {33} | {34} | $ | 61,535,473 | ||||||||
| Interest calculation: | ||||||||||||||||||||||
| Beg Note Balance | Interest Carryover | Interest Rate | Days | Days Basis | Interest | |||||||||||||||||
| {35} | $ | 886,031,179 | $ | 0 | 5.49 | % | 30 | 30/360 | $ | 4,053,593 | ||||||||||||
2
RECONCILIATION OF EXCHANGE NOTE COLLECTION ACCOUNT
| Additions: | ||||||||||||
| {36} | 2024-1 Designated Pool Collections (net of Liquidation Proceeds and fees) | {36} | $ | 18,059,284 | ||||||||
| {37} | Net Liquidation Proceeds collected during period | {37} | 56,941,477 | |||||||||
| {38} | Investment Earnings | {38} | 268,825 | |||||||||
| {39} | Investment Earnings - transferred to Indenture Note Collection Account | {39} | (268,825 | ) | ||||||||
| {40} | Deposit from Servicer | {40} | 0 | |||||||||
| {41} | Total Additions: | {41} | 75,000,761 | |||||||||
| Distributions: | ||||||||||||
| {42} | To the Servicer, Designated Pool Servicing Fee | {42} | 793,242 | |||||||||
| {43} | To the 2024-1 Exchange Noteholder, the Exchange Note Interest Payment Amount | {43} | 4,053,593 | |||||||||
| {44} | To the 2024-1 Exchange Noteholder, the Exchange Note Principal Payment Amount | {44} | 61,535,473 | |||||||||
| {45} | To the 2024-1 Exchange Noteholder, any funds available to pay obligations pursuant to Indenture Section 8.3 (a)(i) through (xvii) | {45} | 0 | |||||||||
| {46} | To the 2024-1 Exchange Noteholder, all remaining funds to be applied as Excess Exchange Note Payments | {46} | 8,618,453 | |||||||||
| {47} | Total Distributions: | {47} | $ | 75,000,761 | ||||||||
NOTEHOLDERS’ MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS
| Noteholders’ Principal Distributable calculation: | ||||||||||||||||||||
| {48} | Beginning Agg. Securitization Value | {48} | $ | 951,889,918 | ||||||||||||||||
| {49} | Ending Agg. Securitization Value | {49} | 890,354,445 | |||||||||||||||||
| {50} | Principal Distributable Amount {48} - {49} | {50} | 61,535,473 | |||||||||||||||||
| {51} | Noteholders’ Principal Carryover Amount | {51} | 0 | |||||||||||||||||
| {52} | Principal Distributable Amount + Noteholders’ Principal Carryover Amount | {52} | 61,535,473 | |||||||||||||||||
| {53} | Amount required to reduce Outstanding Amount after giving effect to distributions made pursuant to Indenture Section 8.3 (a) (i) through (xiii) to the Required Pro Forma Note Balance | {53} | 43,976,885 | |||||||||||||||||
| {54} | Noteholders’ Principal Distributable Amount Lesser of {52} and {53} | {54} | $ | 43,976,885 | ||||||||||||||||
| Noteholders’ Interest Distributable calculation: | ||||||||||||||||||||||
| Class | Beg Note Balance | Interest Carryover | Interest Rate | Days | Days Basis | Interest | ||||||||||||||||
| {55} | Class A-1 | $ | 0 | $ | 0 | 5.51400 | % | 33 | Actual/360 | $ | 0 | |||||||||||
| {56} | Class A-2A | $ | 0 | 0 | 5.18 | % | 30 | 30/360 | 0 | |||||||||||||
| {57} | Class A-2B | $ | 0 | 0 | 4.79503 | % | 33 | Actual/360 | 0 | |||||||||||||
| {58} | Class A-3 | $ | 500,824,750 | 0 | 5.09 | % | 30 | 30/360 | 2,124,332 | |||||||||||||
| {59} | Class A-4 | $ | 75,250,000 | 0 | 5.09 | % | 30 | 30/360 | 319,186 | |||||||||||||
| {60} | Class B | $ | 76,400,000 | 0 | 5.33 | % | 30 | 30/360 | 339,344 | |||||||||||||
| {61} | Class C | $ | 71,150,000 | 0 | 5.41 | % | 30 | 30/360 | 320,768 | |||||||||||||
| {62} | Class D | $ | 43,900,000 | 0 | 5.48 | % | 30 | 30/360 | 200,477 | |||||||||||||
3
RECONCILIATION OF INDENTURE COLLECTION ACCOUNT
| Available Funds: | ||||||||||||
| {63} | 2024-1 Exchange Note Collections | {63} | $ | 74,207,519 | ||||||||
| {64} | Investment Earnings | {64} | 0 | |||||||||
| {65} | Investment Earnings - transferred from Exchange Note Collection Account | {65} | 268,825 | |||||||||
| {66} | Investment Earnings - and amounts released from Reserve Account pursuant to Section 2.14(b)(ii) of Servicing Supplement | {66} | 15,523 | |||||||||
| {67} | Optional Purchase Price | {67} | 0 | |||||||||
| {68} | Indenture Section 5.4 disposition of Collateral | {68} | 0 | |||||||||
| {69} | Available Funds: | {69} | 74,491,867 | |||||||||
| {70} | Reserve Account Withdrawal Amount | {70} | 0 | |||||||||
| {71} | Total Distributable Funds: | {71} | 74,491,867 | |||||||||
| Distributions: | ||||||||||||
| {72} | To the Successor Servicer, unpaid transition expenses, pro rata | {72} | 0 | |||||||||
| {73} | To the Indenture Trustee, any accrued and unpaid fees & expenses, pro rata | {73} | 417 | |||||||||
| {74} | To the Issuer Owner Trustee, any accrued and unpaid fees & expenses, pro rata | {74} | 250 | |||||||||
| {75} | To the Asset Representations Reviewer, any accrued and unpaid fees & expenses, pro rata | {75} | 0 | |||||||||
| {76} | Class A-1 Noteholders’ Interest Distributable Amount pari passu | {76} | 0 | |||||||||
| {77} | Class A-2A Noteholders’ Interest Distributable Amount pari passu | {77} | 0 | |||||||||
| {78} | Class A-2B Noteholders’ Interest Distributable Amount pari passu | {78} | 0 | |||||||||
| {79} | Class A-3 Noteholders’ Interest Distributable Amount pari passu | {79} | 2,124,332 | |||||||||
| {80} | Class A-4 Noteholders’ Interest Distributable Amount pari passu | {80} | 319,186 | |||||||||
| {81} | Class A Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {81} | 0 | |||||||||
| {82} | Class B Noteholders’ Interest Distributable Amount | {82} | 339,344 | |||||||||
| {83} | Class B Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {83} | 0 | |||||||||
| {84} | Class C Noteholders’ Interest Distributable Amount | {84} | 320,768 | |||||||||
| {85} | Class C Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {85} | 0 | |||||||||
| {86} | Class D Noteholders’ Interest Distributable Amount | {86} | 200,477 | |||||||||
| {87} | Class D Noteholders’ Principal Parity Amount or Matured Principal Shortfall | {87} | 0 | |||||||||
| {88} | Noteholders’ Principal Distributable Amount | {88} | 43,976,885 | |||||||||
| {89} | To the Reserve Account, the Reserve Account Required Amount | {89} | 0 | |||||||||
| {90} | To the Noteholders, the Accelerated Principal Amount (as calculated below) | {90} | 0 | |||||||||
| {91} | To the Successor Servicer, any amounts in excess of the caps set forth, pro rata | {91} | 0 | |||||||||
| {92} | To the Indenture Trustee, any amounts in excess of the caps set forth, pro rata | {92} | 0 | |||||||||
| {93} | To the Asset Representations Reviewer, any amounts in excess of the caps set forth, pro rata | {93} | 0 | |||||||||
| {94} | To the Issuer Owner Trustee, any amounts in excess of the caps set forth, pro rata | {94} | 0 | |||||||||
| {95} | To the Issuer Trust Certificateholders, the aggregate amount remaining | {95} | 27,210,208 | |||||||||
| {96} | Total Distributions: | {96} | $ | 74,491,867 | ||||||||
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) | |||||||||||||||||
| {97} | Class A | $ | 576,074,750 | $ | 890,354,445 | $ | 0 | $ | 72,047,682 | $ | 0 | |||||||||||
| {98} | Class B | 652,474,750 | 890,354,445 | 0 | 71,708,338 | 0 | ||||||||||||||||
| {99} | Class C | 723,624,750 | 890,354,445 | 0 | 71,387,570 | 0 | ||||||||||||||||
| {100} | Class D | 767,524,750 | 890,354,445 | 0 | 71,187,093 | 0 | ||||||||||||||||
ACCELERATED PRINCIPAL AMOUNT CALCULATION
| {101} | Excess Total Available Funds | {101} | $ | 27,210,208 | ||||||||||||||||
| {102} | Beginning Note Balance | {102} | 767,524,750 | |||||||||||||||||
| {103} | Principal payments through Indenture Section 8.3 (a) (i) through (xv) | {103} | 43,976,885 | |||||||||||||||||
| {104} | Pro-Forma Note Balance | {104} | 723,547,865 | |||||||||||||||||
| {105} | Ending Aggregate Securitization Value | {105} | 890,354,445 | |||||||||||||||||
| {106} | 10.5% of Aggregate Securitization Value as of Cutoff until Class A-2 is paid in full, 9.5% Thereafter ($166,806,580) | {106} | 166,806,580 | |||||||||||||||||
| {107} | Required Pro Forma Note Balance {105} - {106} | {107} | 723,547,865 | |||||||||||||||||
| {108} | Excess of Pro Forma Balance minus Required Pro Forma Balance {104} - {107} | {108} | 0 | |||||||||||||||||
| {109} | Lesser of Excess Total Available Funds and Excess of Pro Forma Note Balance | {109} | $ | 0 |
OVERCOLLATERALIZATION CALCULATIONS
| Exchange Note: | ||||||||||||
| {110} | Ending Aggregate Securitization Value | {110} | $ | 890,354,445 | ||||||||
| {111} | End of Period Note Balance | {111} | 824,495,706 | |||||||||
| {112} | Overcollateralization | {112} | 65,858,739 | |||||||||
| {113} | Overcollateralization % | {113} | 7.40 | % | ||||||||
| Asset Backed Notes: | ||||||||||||
| {114} | Ending Aggregate Securitization Value | {114} | 890,354,445 | |||||||||
| {115} | End of Period Note Balance | {115} | 723,547,865 | |||||||||
| {116} | Overcollateralization | {116} | 166,806,580 | |||||||||
| {117} | Overcollateralization % | {117} | 18.73 | % | ||||||||
5
RECONCILIATION OF 2024-1 CASH RESERVE ACCOUNT
| {118} | Specified Reserve Balance | {118} | $ | 4,389,647 | ||||||||
| {119} | Beginning of Period Reserve Account balance | {119} | $ | 4,389,647 | ||||||||
| {120} | Investment Earnings | {120} | 15,523 | |||||||||
| {121} | From the Indenture Collection Account, the Reserve Account Required Amount | {121} | 0 | |||||||||
| {122} | To the Indenture Collection Account, the Reserve Account Withdrawal Amount | {122} | 0 | |||||||||
| {123} | Total Reserve balance available: | {123} | 4,405,170 | |||||||||
| {124} | Specified Reserve Balance | {124} | 4,389,647 | |||||||||
| {125} | Release Excess Cash to Indenture Collection Available Funds | {125} | 15,523 | |||||||||
| {126} | End of period Reserve Account balance | {126} | $ | 4,389,647 |
ASSET REPRESENTATIONS REVIEW DELINQUENCY TRIGGER
| Dollars | Percentage | |||||||||||
| {127} | Receivables with Scheduled Payment delinquent 61 days or more | {127} | $ | 2,560,567 | 0.29 | % | ||||||
| {128} | Compliance (Trigger Violation is a Delinquency Rate Greater Than 2.10%) | {128} | Yes | |||||||||
| By: | /s/ Randal L. Willis | |
| Name: | Randal L. Willis | |
| Title: | Senior Vice President, Securitization & Conduit Reporting | |
| Date: | September 17, 2025 |
6
GM Financial
GMALT 2024-1
Supplemental Monthly Data
August 31, 2025
| Aggregate Securitization Value | Residual Value | |||||||
| Beginning of Period | $ | 951,889,918 | $ | 833,309,999 | ||||
| Change | (61,535,473 | ) | (48,342,284 | ) | ||||
| End of Period | $ | 890,354,445 | $ | 784,967,715 | ||||
| Residual Value as % of Agg. Securitization Value | 88.16 | % | ||||||
Delinquency
| Leases with scheduled payment delinquent | Number of Leases | Agg. Securitization Value | Percentage(1) | |||||||||
| 0 - 30 days | 32,734 | 883,253,236 | 99.20 | % | ||||||||
| 31 - 60 days | 152 | 4,540,642 | 0.51 | % | ||||||||
| 61 - 90 days | 61 | 1,921,052 | 0.22 | % | ||||||||
| 91 - 120 days | 19 | 639,515 | 0.07 | % | ||||||||
| Total | 32,966 | 890,354,445 | 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 | 954 | 24,585,614 | 10,873 | 311,484,332 | ||||||||||||
| Standard terminations | 428 | 9,305,796 | 3,842 | 87,604,959 | ||||||||||||
| Total retained by lessee | 1,382 | 33,891,410 | 14,715 | 399,089,291 | ||||||||||||
| Returned Vehicles | ||||||||||||||||
| Early terminations | 277 | 7,095,447 | 3,623 | 91,955,694 | ||||||||||||
| Standard terminations | 344 | 8,550,029 | 3,054 | 77,975,644 | ||||||||||||
| Total returned to dealer | 621 | 15,645,476 | 6,677 | 169,931,338 | ||||||||||||
| Charged off leases / Repossessed vehicles | 54 | 1,426,260 | 1,193 | 34,538,484 | ||||||||||||
| Repurchases | 0 | 0 | 1 | 16,730 | ||||||||||||
| Other | 0 | 0 | 0 | 0 | ||||||||||||
| Total terminations | 2,057 | 50,963,146 | 22,586 | 603,575,843 | ||||||||||||
Lease Extensions/Deferments
| Current Period | ||||||||||||
| Number of Leases | Agg. Securitization Value | Percentage | ||||||||||
| Term Extensions | 164 | 3,237,531 | 0.34 | % | ||||||||
| Deferments | 9 | 350,879 | 0.04 | % | ||||||||
7
Net Credit (Gain) Loss
| Current Period | Cumulative | |||||||
| Agg. Securitized Value of early term defaults | 1,426,260 | 34,538,484 | ||||||
| less: Sales proceeds | 1,450,699 | 34,596,020 | ||||||
| less: Excess wear and excess mileage received | 0 | 410 | ||||||
| less: Other amounts received | 0 | 0 | ||||||
| Net Credit (Gain) Loss | (24,439 | ) | (57,946 | ) | ||||
Residual (Gain) Loss on Returned Vehicles
| Agg. Securitized Value of returned vehicles sold by Servicer | 15,517,994 | 169,248,439 | ||||||
| add: Reimbursement of outstanding residual advance | N/A | N/A | ||||||
| less: Sales proceeds | 17,259,124 | 182,474,417 | ||||||
| less: Excess wear and excess mileage received | 91,142 | 715,822 | ||||||
| less: Other recovery amounts | 0 | 0 | ||||||
| Residual (Gain) Loss | (1,832,272 | ) | (13,941,800 | ) |
| Current Period | Prev. Month | |||||||
| Prepay Speed | 0.9936 | % | 1.2001 | % | ||||
| Return Rate based on Scheduled to Terminate(2) | 32.9094 | % | 42.5430 | % | ||||
| Return Rate based on Terminated Leases(3) | 30.1896 | % | 30.8574 | % | ||||
| (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