Exhibit 99.1

GM Financial Automobile Leasing Trust 2015-3

3.49% Exchange Note

Class A-1 0.45000% Asset Backed Notes

Class A-2A 1.17% Asset Backed Notes

Class A-2B Floating Asset Backed Notes

Class A-3 1.69% Asset Backed Notes

Class A-4 1.81% Asset Backed Notes

Class B 2.32% Asset Backed Notes

Class C 2.98% Asset Backed Notes

Class D 3.48% Asset Backed Notes

Servicer’s Certificate


Beginning of Period:			08/01/18
End of Period:			08/31/18
Number of days in Interest Period (Actual/360):			31
Number of days in Collection Period:			31
Report Due Date:			09/18/18
Distribution Date:			09/20/18
Transaction Month:			35

2015-3

Original Agg.

Designated Pool

Units

Start Date

Closing Date

Securitization Value

43,324

09/03/2015

10/15/2015

1,084,288,323

Total

43,324

1,084,288,323


RECONCILIATION OF 2015-3 DESIGNATED POOL AGGREGATE SECURITIZATION VALUE

{1} Beginning of period Aggregate Securitization Value												{1}		$	169,227,772

{2} Reduction in Agg. Securitization Value due to payments									{2}			1,741,840
{3} Reduction in Agg. Securitization Value due to Defaulted Leases									{3}			412,962
{4} Reduction in Agg. Securitization Value due to early terminations, dealer buyouts, cancellations, repurchases									{4}			46,414,360
{5} Other adjustments									{5}			0
{6} Seller’s Exercise of 10% Option									{6}			120,658,610
{7} Total change in Agg. Securitization Value												{7}			169,227,772

{8} End of period Aggregate Securitization Value												{8}		$	0

{9} Pool Factor												{9}			0.000000	%

RECONCILIATION OF 2015-3 EXCHANGE NOTE
{10} Original Exchange Note Balance												{10}		$	1,068,000,000

{11} Beginning of period Exchange Note Balance												{11}		$	152,939,449

{12} Exchange Note Principal Payment Amount												{12}			56,966,898

{13} With Optional Purchase, the Exchange Note shall be discharged and released												{13}			95,972,551

{14} End of period Exchange Note Balance												{14}		$	0

{15} Note Pool Factor												{15}			0.000000	%

RECONCILIATION OF THE ASSET BACKED NOTES

		Class A-1			Class A-2A			Class A-2B			Class A-3			Class A-4
{16} Original Note Balance	{16}	$	122,000,000		$	66,030,000		$	284,000,000		$	321,010,000		$	97,160,000

{17} Beginning of period Note Balance	{17}	$	0		$	0		$	0		$	0		$	0

{18} Noteholders’ Principal Distributable Amount	{18}		0			0			0			0			0
{19} Noteholders’ Accelerated Principal Amount	{19}		0			0			0			0			0
{20} Aggregate Principal Parity Amount	{20}		0			0			0			0			0
{21} Matured Principal Shortfall	{21}		0			0			0			0			0

{22} End of period Note Balance	{22}	$	0		$	0		$	0		$	0		$	0

{23} Note Pool Factor	{23}		0.000000	%		0.000000	%		0.000000	%		0.000000	%		0.000000	%

		Class B			Class C			Class D						TOTAL
{24} Original Note Balance	{24}	$	41,750,000		$	38,490,000		$	29,820,000					$	1,000,260,000

{25} Beginning of period Note Balance	{25}	$	0		$	22,846,777		$	29,820,000					$	52,666,777

{26} Noteholders’ Principal Distributable Amount	{26}		0			22,846,777			29,820,000						52,666,777
{27} Noteholders’ Accelerated Principal Amount	{27}		0			0			0						0
{28} Aggregate Principal Parity Amount	{28}		0			0			0						0
{29} Matured Principal Shortfall	{29}		0			0			0						0

{30} End of period Note Balance	{30}	$	0		$	0		$	0					$	0

{31} Note Pool Factor	{31}		0.000000	%		0.000000	%		0.000000	%					0.000000	%


EXCHANGE NOTE MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS

Principal payment calculation:
{32} Beginning of period Designated Pool Balance																{32}			N/A

{33} Ending Designated Pool Balance														{33}		0
{34} Unpaid prior Exchange Note Principal Payment Amount														{34}		0
{35} Sum of {33} + {34}																{35}			0
{36} Exchange Note Principal Payment Amount {32} - {35}																{36}			N/A

Interest calculation:

		Beg Note Balance		Interest Carryover		Interest Rate			Days		Days Basis		Interest
{37}		$	152,939,449	$	0		3.49	%		30		30/360	$	444,799

RECONCILIATION OF EXCHANGE NOTE COLLECTION ACCOUNT

Additions:
{38} 2015-3 Designated Pool Collections (net of Liquidation Proceeds and fees)														{38}	$	1,616,232
{39} Net Liquidation Proceeds collected during period														{39}		55,936,488
{40} Investment Earnings														{40}		97,928
{41} Investment Earnings - transferred to Indenture Note Collection Account														{41}		(97,928	)
{42} Deposit from Servicer														{42}		0

{43} Total Additions:																{43}			57,552,720

Distributions:
{44} To the Servicer, Designated Pool Servicing Fee														{44}		141,023
{45} To the 2015-3 Exchange Noteholder, the Exchange Note Interest Payment Amount														{45}		444,799
{46} To the 2015-3 Exchange Noteholder, the Exchange Note Principal Payment Amount														{46}		56,966,898
{47} To the 2015-3 Exchange Noteholder, any funds available to pay obligations pursuant to Indenture Section 8.3 (a)(i) through (xvii)														{47}		0
{48} To the Lending Facility Pool, all remaining funds to be applied as Collections on Residual Pool														{48}		0

{49} Total Distributions:																{49}		$	57,552,720

NOTEHOLDERS’ MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS

Noteholders’ Principal Distributable calculation:
{50} Beginning Agg. Securitization Value												{50}		N/A
{51} Ending Agg. Securitization Value												{51}		0
{52} Total change in Agg. Securitization Value {50} - {51}														{52}		N/A

{53} Indenture Section 5.4 collections following acceleration of the Notes														{53}		0

{54} Principal Distributable Amount {52} + {53}																{54}			N/A

{55} Noteholders’ Principal Carryover Amount																{55}			0

{56} Noteholders’ Principal Distributable Amount {54} + {55}																{56}			N/A

Noteholders’ Interest Distributable calculation:

	Class	Beg Note Balance		Interest Carryover		Interest Rate			Days		Days Basis		Interest
{57}	Class A-1	$	0	$	0		0.45000	%		31		Actual/360	$	0
{58}	Class A-2A	$	0		0		1.17	%		30		30/360		0
{59}	Class A-2B	$	0		0		2.65738	%		31		Actual/360		0
{60}	Class A-3	$	0		0		1.69	%		30		30/360		0
{61}	Class A-4	$	0		0		1.81	%		30		30/360		0
{62}	Class B	$	0		0		2.32	%		30		30/360		0
{63}	Class C	$	22,846,777		0		2.98	%		30		30/360		56,737
{64}	Class D	$	29,820,000		0		3.48	%		30		30/360		86,478

RECONCILIATION OF INDENTURE COLLECTION ACCOUNT

Available Funds:
{65} 2015-3 Exchange Note Collections														{65}	$	57,411,697
{66} Investment Earnings														{66}		0
{67} Investment Earnings - transferred from Exchange Note Collection Account														{67}		97,928
{68} Investment Earnings - and amounts released from Reserve Account														{68}		8,527
{69} Optional Purchase Price														{69}		52,809,992
{70} Indenture Section 5.4 disposition of Collateral														{70}		0
{71} Reserve Account Withdrawal Amount														{71}		5,421,442

{72} Total Available Funds:																{72}			115,749,586

Distributions:
{73} To the Successor Servicer, unpaid transition expenses, pro rata														{73}		0
{74} To the Indenture Trustee, any accrued and unpaid fees & expenses, pro rata														{74}		417
{75} To the Issuer Owner Trustee, any accrued and unpaid fees & expenses, pro rata														{75}		208
{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}		0
{80} Class A-4 Noteholders’ Interest Distributable Amount pari passu														{80}		0
{81} Class A Noteholders’ Principal Parity Amount or Matured Principal Shortfall														{81}		0
{82} Class B Noteholders’ Interest Distributable Amount														{82}		0
{83} Class B Noteholders’ Principal Parity Amount or Matured Principal Shortfall														{83}		0
{84} Class C Noteholders’ Interest Distributable Amount														{84}		56,737
{85} Class C Noteholders’ Principal Parity Amount or Matured Principal Shortfall														{85}		0
{86} Class D Noteholders’ Interest Distributable Amount														{86}		86,478
{87} Class D Noteholders’ Principal Parity Amount or Matured Principal Shortfall														{87}		0
{88} Noteholders’ Principal Distributable Amount														{88}		52,666,777
{89} To the Reserve Account, the Reserve Amount 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 Issuer Owner Trustee, any amounts in excess of the caps set forth, pro rata														{93}		0
{94} To the Issuer Trust Certificateholders, the aggregate amount remaining														{94}		62,938,969

{95} Total Distributions:																{95}		$	115,749,586

PRINCIPAL PARITY AMOUNT CALCULATION

(X)

(Y)

(I)

(II)

Class

Cumulative
Note Balance

Aggregate
Securitization Value

Excess of
(X) - (Y)

Total Available Funds
in Indenture Collection Account

Lesser of
(I) or (II)

{96}

Class A

115,748,961

{97}

Class B

115,748,961

{98}

Class C

22,846,777

115,692,224

22,846,777

{99}

Class D

52,666,777

115,605,746

52,666,777

ACCELERATED PRINCIPAL AMOUNT CALCULATION

{100} Excess Total Available Funds

{100}

62,938,969

{101} Beginning Note Balance

{101}

52,666,777

{102} Principal payments through Indenture Section 8.3 (i) through (xvii)

{102}

52,666,777

{103} Pro-Forma Note Balance

{103}

{104} Ending Aggregate Securitization Value

{104}

{105} 10.75% of Aggregate Securitization Value as of Cutoff Date ($116,560,995)

{105}

N/A

{106} Required Pro Forma Note Balance {104} - {105}

{106}

N/A

{107} Excess of Pro Forma Balance minus Required Pro Forma Balance {103} - {106}

{107}

N/A

{108} Lesser of Excess Total Available Funds and Excess of Pro Forma Note Balance

{108}

N/A

OVERCOLLATERALIZATION CALCULATIONS

Exchange Note:

{109} Ending Aggregate Securitization Value

{109}

{110} End of Period Note Balance

{110}

{111} Overcollateralization

{111}

{112} Overcollateralization %

{112}

0.00

Asset Backed Notes:

{113} Ending Aggregate Securitization Value

{113}

{114} End of Period Note Balance

{114}

{115} Overcollateralization

{115}

{116} Overcollateralization %

{116}

0.00

RECONCILIATION OF 2015-3 CASH RESERVE ACCOUNT

{117} Specified Reserve Balance

{117}

5,421,442

{118} Beginning of Period Reserve Account balance

{118}

5,421,442

{119} Investment Earnings

{119}

8,527

{120} From the Indenture Collection Account, the Reserve Account Required Amount

{120}

{121} To the Indenture Collection Account, the Reserve Account Withdrawal Amount

{121}

(5,429,969

)

{122} Total Reserve balance available:

{122}

{123} Specified Reserve Balance

{123}

5,421,442

{124} Release Excess Cash to Indenture Collection Available Funds

{124}

{125} End of period Reserve Account balance

{125}

EVENTS OF DEFAULT AND ACCELERATION OF MATURITY OF NOTE

{126} With respect to the Program Documents, I, Ellen Billings, do hereby certify that no Event of Default has occurred.

{126}

Yes

{127} With respect to the Program Documents, I, Ellen Billings, do hereby certify that an Acceleration of Maturity has not occurred.

{127}

Yes


By:		/s/ Ellen Billings
Name:		Ellen Billings
Title:		Senior Vice President, Controller – North America
Date:		September 17, 2018

GM Financial

GMALT 2015-3

Supplemental Monthly Data

August 31, 2018


	Aggregate Securitization Value			Residual Value
Beginning of Period	$	169,227,772		$	162,178,429
Change		(169,227,772	)		(162,178,429	)

End of Period	$	0		$	0
Residual Value as % of Agg. Securitization Value					0.00	%

Delinquency


	Number of Leases		Agg. Securitization Value		Percentage⁽¹⁾
Leases with scheduled payment delinquent
0 - 30 days		6,694		115,999,759		96.14	%
31 - 60 days		191		3,306,607		2.74	%
61 - 90 days		65		1,084,060		0.90	%
91 - 120 days		16		268,184		0.22	%

Total		6,966		120,658,610		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		196		4,100,888		6,471		159,229,761
Standard terminations		490		9,394,562		2,073		40,561,050

Total retained by lessee		686		13,495,450		8,544		199,790,811
Returned Vehicles
Early terminations		820		13,390,427		17,049		277,987,895
Standard terminations		1,183		19,528,483		8,690		143,669,834

Total returned to dealer		2,003		32,918,910		25,739		421,657,729
Charged off leases / Repossessed vehicles		25		412,962		2,067		41,015,676
Repurchases		0		0		8		240,290
Other		0		0		0		0

Total terminations		2,714		46,827,322		36,358		662,704,506

Net Credit (Gain) Loss


	Current Period			Cumulative
Agg. Securitized Value of early term defaults		412,962			41,015,676
less: Sales proceeds		558,950			35,720,170
less: Excess wear and excess mileage received		0			251
less: Other amounts received		116,135			3,171,107

Net Credit (Gain) Loss		(262,123	)		2,124,148

Residual (Gain) Loss on Returned Vehicles
Agg. Securitized Value of returned vehicles sold by Servicer		32,845,469			417,077,442
add: Reimbursement of outstanding residual advance		N/A			N/A
less: Sales proceeds		37,995,371			464,186,607
less: Excess wear and excess mileage received		158,136			827,797
less: Other recovery amounts		389,292			5,297,538

Residual (Gain) Loss		(5,697,330	)		(53,234,500	)

	Current Period			Prev. Month
Prepay Speed		2.4382	%		1.4301	%

Return Rate based on Scheduled to Terminate⁽²⁾		39.6869	%		50.3075	%

Return Rate based on Terminated Leases⁽³⁾		73.8025	%		76.0256	%

(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.

GM Financial Automobile Leasing Trust 2015-3 10-D