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:			12/01/17
End of Period:			12/31/17
Number of days in Interest Period (Actual/360):			33
Number of days in Collection Period:			31
Report Due Date:			01/18/18
Distribution Date:			01/22/18
Transaction Month:			27

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}		$	508,873,472

{2} Reduction in Agg. Securitization Value due to payments									{2}			7,825,316
{3} Reduction in Agg. Securitization Value due to Defaulted Leases									{3}			810,973
{4} Reduction in Agg. Securitization Value due to early terminations, dealer buyouts, cancellations, repurchases									{4}			17,111,904
{5} Other adjustments									{5}			0
{6} Total change in Agg. Securitization Value												{6}			25,748,193

{7} End of period Aggregate Securitization Value												{7}		$	483,125,279

{8} Pool Factor												{8}			44.556901	%

RECONCILIATION OF 2015-3 EXCHANGE NOTE
{9} Original Exchange Note Balance												{9}		$	1,068,000,000

{10} Beginning of period Exchange Note Balance												{10}		$	492,585,149

{11} Exchange Note Principal Payment Amount												{11}			25,748,193

{12} End of period Exchange Note Balance												{12}		$	466,836,956

{13} Note Pool Factor												{13}			43.711325	%

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}	$	122,000,000		$	66,030,000		$	284,000,000		$	321,010,000		$	97,160,000

{15} Beginning of period Note Balance	{15}	$	0		$	0		$	0		$	185,092,477		$	97,160,000

{16} Noteholders’ Principal Distributable Amount	{16}		0			0			0			25,748,193			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		$	159,344,284		$	97,160,000

{21} Note Pool Factor	{21}		0.000000	%		0.000000	%		0.000000	%		49.638417	%		100.000000	%

		Class B			Class C			Class D						TOTAL
{22} Original Note Balance	{22}	$	41,750,000		$	38,490,000		$	29,820,000					$	1,000,260,000

{23} Beginning of period Note Balance	{23}	$	41,750,000		$	38,490,000		$	29,820,000					$	392,312,477

{24} Noteholders’ Principal Distributable Amount	{24}		0			0			0						25,748,193
{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}	$	41,750,000		$	38,490,000		$	29,820,000					$	366,564,284

{29} Note Pool Factor	{29}		100.000000	%		100.000000	%		100.000000	%					36.646900	%


EXCHANGE NOTE MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS

Principal payment calculation:
{30} Beginning of period Designated Pool Balance													{30}	$	508,873,472

{31} Ending Designated Pool Balance												{31}	483,125,279
{32} Unpaid prior Exchange Note Principal Payment Amount												{32}	0
{33} Sum of {31} + {32}													{33}		483,125,279

{34} Exchange Note Principal Payment Amount {30} - {33}													{34}	$	25,748,193

Interest calculation:

		Beg Note Balance		Interest Carryover		Interest Rate			Days		Days Basis	Interest
{35}		$	492,585,149	$	0		3.49	%		30	30/360	$1,432,602

RECONCILIATION OF EXCHANGE NOTE COLLECTION ACCOUNT

Additions:
{36} 2015-3 Designated Pool Collections (net of Liquidation Proceeds and fees)												{36}	$9,616,108
{37} Net Liquidation Proceeds collected during period												{37}	21,075,152
{38} Investment Earnings												{38}	31,254
{39} Investment Earnings - transferred to Indenture Note Collection Account												{39}	(31,254)
{40} Deposit from Servicer (LKE, Pull Ahead Program)												{40}	0

{41} Total Additions:													{41}		30,691,260

Distributions:
{42} To the Servicer, Designated Pool Servicing Fee												{42}	424,061
{43} To the 2015-3 Exchange Noteholder, the Exchange Note Interest Payment Amount												{43}	1,432,602
{44} To the 2015-3 Exchange Noteholder, the Exchange Note Principal Payment Amount												{44}	25,748,193
{45} To the 2015-3 Exchange Noteholder, any funds available to pay obligations pursuant to Indenture Section 8.3 (a)(i) through (xvii)												{45}	0
{46} To the Lending Facility Pool, all remaining funds to be applied as Collections on Residual Pool												{46}	3,086,404

{47} Total Distributions:													{47}	$	30,691,260

NOTEHOLDERS’ MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS

Noteholders’ Principal Distributable calculation:

{48} Beginning Agg. Securitization Value											{48}	$508,873,472
{49} Ending Agg. Securitization Value											{49}	483,125,279
{50} Total change in Agg. Securitization Value {48} - {49}												{50}	25,748,193

{51} Indenture Section 5.4 collections following acceleration of the Notes												{51}	0

{52} Principal Distributable Amount {50} + {51}													{52}		25,748,193

{53} Noteholders’ Principal Carryover Amount													{53}		0

{54} Noteholders’ Principal Distributable Amount {52} + {53}													{54}	$	25,748,193

Noteholders’ Interest Distributable calculation:

	Class	Beg Note Balance		Interest Carryover		Interest Rate			Days		Days Basis	Interest
{55}	Class A-1	$	0	$	0		0.45000	%		33	Actual/360	$0
{56}	Class A-2A	$	0		0		1.17	%		30	30/360	0
{57}	Class A-2B	$	0		0		2.08113	%		33	Actual/360	0
{58}	Class A-3	$	185,092,477		0		1.69	%		30	30/360	260,672
{59}	Class A-4	$	97,160,000		0		1.81	%		30	30/360	146,550
{60}	Class B	$	41,750,000		0		2.32	%		30	30/360	80,717
{61}	Class C	$	38,490,000		0		2.98	%		30	30/360	95,584
{62}	Class D	$	29,820,000		0		3.48	%		30	30/360	86,478

RECONCILIATION OF INDENTURE COLLECTION ACCOUNT

Available Funds:
{63} 2015-3 Exchange Note Collections												{63}	$27,180,795
{64} Investment Earnings												{64}	0
{65} Investment Earnings - transferred from Exchange Note Collection Account												{65}	31,254
{66} Investment Earnings - and amounts released from Reserve Account												{66}	5,100
{67} Optional Purchase Price												{67}	0
{68} Indenture Section 5.4 disposition of Collateral												{68}	0
{69} Reserve Account Withdrawal Amount												{69}	0
{70} Total Available Funds:													{70}		27,217,149

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}	208
{74} Class A-1 Noteholders’ Interest Distributable Amount pari passu												{74}	0
{75} Class A-2A Noteholders’ Interest Distributable Amount pari passu												{75}	0
{76} Class A-2B Noteholders’ Interest Distributable Amount pari passu												{76}	0
{77} Class A-3 Noteholders’ Interest Distributable Amount pari passu												{77}	260,672
{78} Class A-4 Noteholders’ Interest Distributable Amount pari passu												{78}	146,550
{79} Class A Noteholders’ Principal Parity Amount or Matured Principal Shortfall												{79}	0
{80} Class B Noteholders’ Interest Distributable Amount												{80}	80,717
{81} Class B Noteholders’ Principal Parity Amount or Matured Principal Shortfall												{81}	0
{82} Class C Noteholders’ Interest Distributable Amount												{82}	95,584
{83} Class C Noteholders’ Principal Parity Amount or Matured Principal Shortfall												{83}	0
{84} Class D Noteholders’ Interest Distributable Amount												{84}	86,478
{85} Class D Noteholders’ Principal Parity Amount or Matured Principal Shortfall												{85}	0
{86} Noteholders’ Principal Distributable Amount												{86}	25,748,193
{87} To the Reserve Account, the Reserve Amount Required Amount												{87}	0
{88} To the Noteholders, the Accelerated Principal Amount (as calculated below)												{88}	0
{89} To the Successor Servicer, any amounts in excess of the caps set forth, pro rata												{89}	0
{90} To the Indenture Trustee, 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}	798,330


{93} Total Distributions:														{93}	$	27,217,149

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	$	282,252,477	$	483,125,279	$	0	$		26,809,302	$	0
{95}	Class B		324,002,477		483,125,279		0			26,728,585		0
{96}	Class C		362,492,477		483,125,279		0			26,633,001		0
{97}	Class D		392,312,477		483,125,279		0			26,546,523		0

ACCELERATED PRINCIPAL AMOUNT CALCULATION

{98} Excess Total Available Funds												{98}	$	798,330

{99} Beginning Note Balance									{99}	392,312,477
{100} Principal payments through Indenture Section 8.3 (i) through (xvii)									{100}	25,748,193
{101} Pro-Forma Note Balance										{101}		366,564,284

{102} Ending Aggregate Securitization Value									{102}	483,125,279
{103} 10.75% of Aggregate Securitization Value as of Cutoff Date ($116,560,995)									{103}	116,560,995
{104} Required Pro Forma Note Balance {102} - {103}										{104}		366,564,284

{105} Excess of Pro Forma Balance minus Required Pro Forma Balance {101} - {104}												{105}		0

{106} Lesser of Excess Total Available Funds and Excess of Pro Forma Note Balance														{106}	$	0

OVERCOLLATERALIZATION CALCULATIONS

Exchange Note:
{107} Ending Aggregate Securitization Value												{107}	$	483,125,279
{108} End of Period Note Balance												{108}		466,836,956
{109} Overcollateralization												{109}		16,288,323
{110} Overcollateralization %														{110}		3.37	%

Asset Backed Notes:
{111} Ending Aggregate Securitization Value												{111}		483,125,279
{112} End of Period Note Balance												{112}		366,564,284
{113} Overcollateralization												{113}		116,560,995
{114} Overcollateralization %														{114}		24.13	%

RECONCILIATION OF 2015-3 CASH RESERVE ACCOUNT
{115} Specified Reserve Balance														{115}	$	5,421,442

{116} Beginning of Period Reserve Account balance														{116}	$	5,421,442
{117} Investment Earnings												{117}		5,100
{118} From the Indenture Collection Account, the Reserve Account Required Amount												{118}		0
{119} To the Indenture Collection Account, the Reserve Account Withdrawal Amount												{119}		0
{120} Total Reserve balance available:														{120}		5,426,542

{121} Specified Reserve Balance														{121}		5,421,442

{122} Release Excess Cash to Indenture Collection Available Funds														{122}		5,100

{123} End of period Reserve Account balance														{123}	$	5,421,442

EVENTS OF DEFAULT AND ACCELERATION OF MATURITY OF NOTE

{124} With respect to the Program Documents, I, Randal L. Willis, do hereby certify that no Event of Default has occurred.														{124}		Yes
{125} With respect to the Program Documents, I, Randal L. Willis, do hereby certify that an Acceleration of Maturity has not occurred.														{125}		Yes


By:		/s/ Randal L. Willis
Name:		Randal L. Willis
Title:		Senior Vice President, Securitization & Conduit Reporting-Treasury
Date:		January 17, 2018

GM Financial

GMALT 2015-3

Supplemental Monthly Data

December 31, 2017


	Aggregate Securitization Value			Residual Value
Beginning of Period	$	508,873,472		$	449,043,776
Change		(25,748,193	)		(16,958,651	)

End of Period	$	483,125,279		$	432,085,126
Residual Value as % of Agg. Securitization Value					89.44	%

Delinquency


	Number of Leases		Agg. Securitization Value		Percentage⁽¹⁾
Leases with scheduled payment delinquent
0 - 30 days		24,894		472,819,004		97.87	%
31 - 60 days		415		7,904,394		1.64	%
61 - 90 days		105		1,893,633		0.39	%
91 - 120 days		26		508,248		0.11	%

Total		25,440		483,125,279		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		187		4,791,003		4,208		110,517,210
Standard terminations		32		677,260		576		11,066,213

Total retained by lessee		219		5,468,263		4,784		121,583,423
Returned Vehicles
Early terminations		548		9,013,789		6,867		109,766,068
Standard terminations		160		2,629,852		4,461		72,402,867

Total returned to dealer		708		11,643,641		11,328		182,168,935
Charged off leases / Repossessed vehicles		49		810,973		1,764		35,943,789
Repurchases		0		0		8		240,290
Other		0		0		0		0

Total terminations		976		17,922,877		17,884		339,936,437

Net Credit (Gain) Loss


	Current Period			Cumulative
Agg. Securitized Value of early term defaults		810,973			35,943,789
less: Sales proceeds		707,508			31,298,999
less: Excess wear and excess mileage received		0			0
less: Other amounts received		149,820			2,126,594

Net Credit (Gain) Loss		(46,355	)		2,518,196

Residual (Gain) Loss on Returned Vehicles
Agg. Securitized Value of returned vehicles sold by Servicer		11,305,839			180,105,580
add: Reimbursement of outstanding residual advance		N/A			N/A
less: Sales proceeds		12,989,481			192,260,984
less: Excess wear and excess mileage received		26,764			387,160
less: Other recovery amounts		193,675			1,790,831

Residual (Gain) Loss		(1,904,081	)		(14,333,395	)

	Current Period			Prev. Month
Prepay Speed		1.3041	%		1.1651	%

Return Rate based on Scheduled to Terminate⁽²⁾		195.5801	%		143.4180	%

Return Rate based on Terminated Leases⁽³⁾		72.5410	%		67.1351	%

(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