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:     09/01/26
End of Period:     09/30/26
Number of days in Interest Period (Actual/360):     29
Number of days in Collection Period:     30
Report Due Date:     10/16/26
Distribution Date:     10/20/26
Transaction Month:     14

 

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}    $787,781,016 
       
{2}   Reduction in Agg. Securitization Value due to payments   {2}     7,999,124   
{3}   Reduction in Agg. Securitization Value due to Defaulted Leases   {3}     1,070,509   
{4}   Reduction in Agg. Securitization Value due to early terminations, dealer buyouts, cancellations, repurchases   {4}     23,145,429   
{5}   Other adjustments   {5}     0   
{6}   Total change in Agg. Securitization Value       {6}      32,215,062  
       
{7}   End of period Aggregate Securitization Value       {7}    $755,565,954 
       
{8}   Pool Factor     {8}     68.344691%

 

RECONCILIATION OF 2025-3 EXCHANGE NOTE

 

{9}   Original Exchange Note Balance   {9}   $1,050,000,000 
     
{10}   Beginning of period Exchange Note Balance   {10}   $732,258,493 
     
{11}   Exchange Note Principal Payment Amount   {11}     32,215,062  
     
{12}   End of period Exchange Note Balance   {12}   $700,043,431 
     
{13}   Note Pool Factor   {13}    66.670803%

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   $96,025,964   $60,127,574   $350,500,000   $65,000,000 
             
{16}   Noteholders’ Principal Distributable Amount   {16}     0      19,810,517      12,404,545      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   $76,215,447   $47,723,029   $350,500,000   $65,000,000 
             
{21}   Note Pool Factor   {21}    0.000000%   35.350393%   35.350392%   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   $666,173,538 
         
{24}   Noteholders’ Principal Distributable Amount   {24}     0      0      32,215,062  
{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   $633,958,476 
         
{29}   Note Pool Factor   {29}    100.000000%   100.000000%   63.718902%

 

EXCHANGE NOTE MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS

 

Principal payment calculation:

{30}   Beginning of period Designated Pool Balance       {30}    $787,781,016 
       
{31}   Ending Designated Pool Balance   {31}     755,565,954   
{32}   Unpaid prior Exchange Note Principal Payment Amount   {32}     0   
{33}   Sum of {31} + {32}       {33}      755,565,954  
       
{34}   Exchange Note Principal Payment Amount {30} - {33}       {34}    $32,215,062 

 

Interest calculation:

    Beg Note Balance    Interest Carryover    Interest Rate    Days   Days Basis   Interest  
{35}     $732,258,493   $0    4.610%  30   30/360   $2,813,094 

2

 

RECONCILIATION OF EXCHANGE NOTE COLLECTION ACCOUNT

 

Additions:

{36}   2025-3 Designated Pool Collections (net of Liquidation Proceeds and fees)   {36}   $13,667,511  
{37}   Net Liquidation Proceeds collected during period   {37}     26,322,921   
{38}   Investment Earnings   {38}     114,694   
{39}   Investment Earnings - transferred to Indenture Note Collection Account   {39}    (114,694) 
{40}   Deposit from Servicer   {40}     0   
       
{41}   Total Additions:       {41}      39,990,432  

 

Distributions:

{42}   To the Servicer, Designated Pool Servicing Fee   {42}     656,484   
{43}   To the 2025-3 Exchange Noteholder, the Exchange Note Interest Payment Amount   {43}     2,813,094   
{44}   To the 2025-3 Exchange Noteholder, the Exchange Note Principal Payment Amount   {44}     32,215,062   
{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}     4,305,792   
       
{47}   Total Distributions:       {47}    $39,990,432 

 

NOTEHOLDERS’ MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS

 

Noteholders’ Principal Distributable calculation:

{48}   Beginning Agg. Securitization Value   {48}   $787,781,016      
{49}   Ending Agg. Securitization Value   {49}     755,565,954       
{50}   Principal Distributable Amount {48} - {49}       {50}      32,215,062     
           
{51}   Noteholders’ Principal Carryover Amount       {51}      0     
           
{52}   Principal Distributable Amount + Noteholders’ Principal Carryover Amount         {52}      32,215,062   
           
{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}      32,215,062   
           
{54}   Noteholders’ Principal Distributable Amount Lesser of {52} and {53}           {54}    $32,215,062 

 

Noteholders’ Interest Distributable calculation:

  Class   Beg Note Balance    Interest Carryover    Interest Rate    Days   Days Basis   Interest  
{55}   Class A-1   $0   $0    4.35900%  29   Actual/360   $0 
{56}   Class A-2A   $96,025,964     0     4.19%  30   30/360     335,291  
{57}   Class A-2B   $60,127,574     0     3.99783%  29   Actual/360     193,640  
{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}   $39,333,948  
{63}   Investment Earnings   {63}     0   
{64}   Investment Earnings - transferred from Exchange Note Collection Account   {64}     114,694   
{65}   Investment Earnings - and amounts released from Reserve Account pursuant to Section 2.14(b)(ii) of Servicing Supplement   {65}     8,200   
{66}   Optional Purchase Price   {66}     0   
{67}   Indenture Section 5.4 disposition of Collateral   {67}     0   
{68}   Available Funds:       {68}      39,456,842  
       
{69}   Reserve Account Withdrawal Amount   {69}     0   
       
{70}   Total Distributable Funds:       {70}      39,456,842  

 

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}     335,291   
{77}   Class A-2B Noteholders’ Interest Distributable Amount pari passu   {77}     193,640   
{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}     32,215,062   
{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}     4,912,155   
       
{93}   Total Distributions:       {93}    $39,456,842 

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   $571,653,538   $755,565,954   $0   $37,481,756   $0 
{95}   Class B     620,843,538      755,565,954      0      37,300,982      0  
{96}   Class C     666,173,538      755,565,954      0      37,127,217      0  

 

ACCELERATED PRINCIPAL AMOUNT CALCULATION

 

{97}   Excess Total Available Funds         {97}    $4,912,155  
           
{98}   Beginning Note Balance   {98}     666,173,538       
{99}   Principal payments through Indenture Section 8.3 (a) (i) through (xii)   {99}     32,215,062       
{100}   Pro-Forma Note Balance       {100}      633,958,476     
           
{101}   Ending Aggregate Securitization Value   {101}     755,565,954       
{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}      633,958,476     
           
{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}   $755,565,954  
{107}   End of Period Note Balance   {107}     700,043,431   
{108}   Overcollateralization   {108}     55,522,523   
{109}   Overcollateralization %       {109}     7.35%

 

Asset Backed Notes:

{110}   Ending Aggregate Securitization Value   {110}     755,565,954   
{111}   End of Period Note Balance   {111}     633,958,476   
{112}   Overcollateralization   {112}     121,607,478   
{113}   Overcollateralization %       {113}     16.09%

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}     8,200   
{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}      2,772,006  
       
{120}   Specified Reserve Balance       {120}      2,763,806  
       
{121}   Release Excess Cash to Indenture Collection Available Funds       {121}      8,200  
       
{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}   $899,475    0.12%
       
{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: October 15, 2026   

6

 

 

GM Financial

GMALT 2025-3

Supplemental Monthly Data

September 30, 2026

 

  Aggregate Securitization Value    Residual Value  
Beginning of Period   $787,781,016   $679,609,615 
Change    (32,215,062)   (22,786,002)
End of Period   $755,565,954   $656,823,613 
   
Residual Value as % of Agg. Securitization Value        86.93%

 

Delinquency

 

Leases with scheduled payment delinquent     Number of Leases    Agg. Securitization Value    Percentage(1)
0 - 30 days     25,581      750,641,521     99.35%
31 - 60 days     130      4,024,958     0.53%
61 - 90 days     22      682,049     0.09%
91 - 120 days     8      217,426     0.03%
Total     25,741      755,565,954     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     332      9,103,218      3,704      112,383,389  
Standard terminations     122      2,812,901      765      17,672,775  
Total retained by lessee     454      11,916,119      4,469      130,056,164  
Returned Vehicles          
Early terminations     227      6,597,970      1,406      40,142,315  
Standard terminations     162      4,631,341      799      22,583,926  
Total returned to dealer     389      11,229,311      2,205      62,726,241  
Charged off leases / Repossessed vehicles       35      1,070,509      673      21,007,716  
Repurchases       0      0      1      33,892  
Other       0      0      0      0  
Total terminations     878      24,215,939      7,348      213,824,013  

 

Lease Extensions/Deferments

 

    Current Period
  Number of Leases    Agg. Securitization Value    Percentage  
     
Term Extensions       64      1,489,939     0.19%
     
Deferments       11      449,353     0.06%

7

 

Net Credit (Gain) Loss

 

    Current Period    Cumulative  
Agg. Securitized Value of early term defaults         1,070,509      21,007,716  
less: Sales proceeds       1,267,748      20,909,131  
less: Excess wear and excess mileage received       1,146      4,720  
less: Other amounts received       0      0  
Net Credit (Gain) Loss    (198,385)    93,865  

 

Residual (Gain) Loss on Returned Vehicles

 

Agg. Securitized Value of returned vehicles sold by Servicer         11,197,941      62,485,095  
add: Reimbursement of outstanding residual advance       N/A      N/A  
less: Sales proceeds       11,450,560      66,930,968  
less: Excess wear and excess mileage received       60,848      274,717  
less: Other recovery amounts       0      0  
Residual (Gain) Loss    (313,467)   (4,720,590)

 

  Current Period    Prev. Month  
Prepay Speed    0.7846%   0.7030%
 
Return Rate based on Scheduled to Terminate(2)    54.5582%   53.6321%
 
Return Rate based on Terminated Leases(3)    44.3052%   42.6290%

 

(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