Exhibit 99.1

GM Financial Automobile Leasing Trust 2018-1

3.38% Exchange Note

Class A-1 1.90000% Asset Backed Notes

Class A-2A 2.39% Asset Backed Notes

Class A-2B Floating Asset Backed Notes

Class A-3 2.61% Asset Backed Notes

Class A-4 2.68% Asset Backed Notes

Class B 2.87% Asset Backed Notes

Class C 3.11% Asset Backed Notes

Class D 3.37% Asset Backed Notes

Servicer's Certificate

Beginning of Period:	06/01/20
End of Period:	06/30/20
Number of days in Interest Period (Actual/360):	28
Number of days in Collection Period:	30
Report Due Date:	07/16/20
Distribution Date:	07/20/20
Transaction Month:	29

					Original Agg.
2018-1 Designated Pool	Units		Start Date	Closing Date	Securitization Value
		56,399	12/26/2017	02/22/2018	$	1,362,401,047

Total		56,399			$	1,362,401,047

RECONCILIATION OF 2018-1 DESIGNATED POOL AGGREGATE SECURITIZATION VALUE

{1}

Beginning of period Aggregate Securitization Value

{1}

365,611,364

{2}

Reduction in Agg. Securitization Value due to payments

{2}

3,686,045

{3}

Reduction in Agg. Securitization Value due to Defaulted Leases

{3}

436,501

{4}

Reduction in Agg. Securitization Value due to early terminations, dealer buyouts, cancellations, repurchases

{4}

51,967,498

{5}

Other adjustments

{5}

{6}

Total change in Agg. Securitization Value

{6}

56,090,044

{7}

End of period Aggregate Securitization Value

{7}

309,521,320

{8}

Pool Factor

{8}

22.718811

RECONCILIATION OF 2018-1 EXCHANGE NOTE

{9}	Original Exchange Note Balance	{9}	$	1,314,000,000

{10}	Beginning of period Exchange Note Balance	{10}	$	317,210,317

{11}	Exchange Note Principal Payment Amount	{11}		56,090,044

{12}	End of period Exchange Note Balance	{12}	$	261,120,273

{13}	Note Pool Factor	{13}		19.872167	%

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}	$	156,000,000		$	200,000,000		$	200,000,000		$	445,000,000		$	97,090,000

{15}	Beginning of period Note Balance	{15}	$	0		$	0		$	0		$	0		$	80,867,262

{16}	Noteholders' Principal Distributable Amount	{16}		0			0			0			0			56,090,044
{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		$	0		$	24,777,218

{21}	Note Pool Factor	{21}		0.000000	%		0.000000	%		0.000000	%		0.000000	%		25.519846	%

			Class B			Class C			Class D			TOTAL
{22}	Original Note Balance	{22}	$	59,260,000		$	55,180,000		$	37,470,000		$	1,250,000,000

{23}	Beginning of period Note Balance	{23}	$	59,260,000		$	55,180,000		$	37,470,000		$	232,777,262

{24}	Noteholders' Principal Distributable Amount	{24}		0			0			0			56,090,044
{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}	$	59,260,000		$	55,180,000		$	37,470,000		$	176,687,218

{29}	Note Pool Factor	{29}		100.000000	%		100.000000	%		100.000000	%		14.134977	%

EXCHANGE NOTE MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS

Principal payment calculation:

{30}

Beginning of period Designated Pool Balance

{30}

365,611,364

{31}

Ending Designated Pool Balance

{31}

309,521,320

{32}

Unpaid prior Exchange Note Principal Payment Amount

{32}

{33}

Sum of {31} + {32}

{33}

309,521,320

{34}

Exchange Note Principal Payment Amount {30} - {33}

{34}

56,090,044

	Interest calculation:
		Beg Note Balance		Interest Carryover		Interest Rate			Days	Days Basis	Interest
{35}		$	317,210,317	$	0		3.38	%	30	30/360	$	893,476

RECONCILIATION OF EXCHANGE NOTE COLLECTION ACCOUNT

Additions:

{36}

2018-1 Designated Pool Collections (net of Liquidation Proceeds and fees)

{36}

5,041,312

{37}

Net Liquidation Proceeds collected during period

{37}

60,579,889

{38}

Investment Earnings

{38}

3,332

{39}

Investment Earnings - transferred to Indenture Note Collection Account

{39}

(3,332

)

{40}

Deposit from Servicer

{40}

{41}

Total Additions:

{41}

65,621,201

Distributions:

{42}

To the Servicer, Designated Pool Servicing Fee

{42}

304,676

{43}

To the 2018-1 Exchange Noteholder, the Exchange Note Interest Payment Amount

{43}

893,476

{44}

To the 2018-1 Exchange Noteholder, the Exchange Note Principal Payment Amount

{44}

56,090,044

{45}

To the 2018-1 Exchange Noteholder, any funds available to pay obligations pursuant to Indenture Section 8.3 (a)(i) through (xvii)

{45}

{46}

To the 2018-1 Exchange Noteholder, all remaining funds to be applied as Excess Exchange Note Payments

{46}

8,333,005

{47}

Total Distributions:

{47}

65,621,201

NOTEHOLDERS' MONTHLY PRINCIPAL PAYMENT AND INTEREST CALCULATIONS

Noteholders' Principal Distributable calculation:

{48}

Beginning Agg. Securitization Value

{48}

365,611,364

{49}

Ending Agg. Securitization Value

{49}

309,521,320

{50}

Principal Distributable Amount {48} - {49}

{50}

56,090,044

{51}

Noteholders' Principal Carryover Amount

{51}

{52}

Principal Distributable Amount + Noteholders' Principal Carryover Amount

{52}

56,090,044

{53}

Amount required to reduce Outstanding Amount after giving effect to distributions made pursuant to Indenture Section 8.3 (i) through (xiii) to the Required Pro Forma Note Balance

{53}

56,090,044

{54}

Noteholders' Principal Distributable Amount Lessor of {52} and {53}

{54}

56,090,044

	Noteholders' Interest Distributable calculation:
	Class	Beg Note Balance		Interest Carryover		Interest Rate			Days	Days Basis	Interest
{55}	Class A-1	$	0	$	0		1.90	%	28	Actual/360	$	0
{56}	Class A-2A	$	0		0		2.39	%	30	30/360		0
{57}	Class A-2B	$	0		0		0.39000	%	28	Actual/360		0
{58}	Class A-3	$	0		0		2.61	%	30	30/360		0
{59}	Class A-4	$	80,867,262		0		2.68	%	30	30/360		180,604
{60}	Class B	$	59,260,000		0		2.87	%	30	30/360		141,731
{61}	Class C	$	55,180,000		0		3.11	%	30	30/360		143,009
{62}	Class D	$	37,470,000		0		3.37	%	30	30/360		105,229

RECONCILIATION OF INDENTURE COLLECTION ACCOUNT

Available Funds:

{63}

2018-1 Exchange Note Collections

{63}

65,316,525

{64}

Investment Earnings

{64}

{65}

Investment Earnings - transferred from Exchange Note Collection Account

{65}

3,332

{66}

Investment Earnings - and amounts released from Reserve Account pursuant to Section 2.14(b)(ii) of Servicing Supplement

{66}

449

{67}

Optional Purchase Price

{67}

{68}

Indenture Section 5.4 disposition of Collateral

{68}

{69}

Available Funds:

{69}

65,320,306

{70}

Reserve Account Withdrawal Amount

{70}

{71}

Total Distributable Funds:

{71}

65,320,306

Distributions:

{72}

To the Successor Servicer, unpaid transition expenses, pro rata

{72}

{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}

208

{75}

To the Asset Representations Reviewer, any accrued and unpaid fees & expenses, pro rata

{75}

{76}

Class A-1 Noteholders' Interest Distributable Amount pari passu

{76}

{77}

Class A-2A Noteholders' Interest Distributable Amount pari passu

{77}

{78}

Class A-2B Noteholders' Interest Distributable Amount pari passu

{78}

{79}

Class A-3 Noteholders' Interest Distributable Amount pari passu

{79}

{80}

Class A-4 Noteholders' Interest Distributable Amount pari passu

{80}

180,604

{81}

Class A Noteholders' Principal Parity Amount or Matured Principal Shortfall

{81}

{82}

Class B Noteholders' Interest Distributable Amount

{82}

141,731

{83}

Class B Noteholders' Principal Parity Amount or Matured Principal Shortfall

{83}

{84}

Class C Noteholders' Interest Distributable Amount

{84}

143,009

{85}

Class C Noteholders' Principal Parity Amount or Matured Principal Shortfall

{85}

{86}

Class D Noteholders' Interest Distributable Amount

{86}

105,229

{87}

Class D Noteholders' Principal Parity Amount or Matured Principal Shortfall

{87}

{88}

Noteholders' Principal Distributable Amount

{88}

56,090,044

{89}

To the Reserve Account, the Reserve Amount Required Amount

{89}

{90}

To the Noteholders, the Accelerated Principal Amount (as calculated below)

{90}

{91}

To the Successor Servicer, any amounts in excess of the caps set forth, pro rata

{91}

{92}

To the Indenture Trustee, any amounts in excess of the caps set forth, pro rata

{92}

{93}

To the Asset Representations Reviewer, any amounts in excess of the caps set forth, pro rata

{93}

{94}

To the Issuer Owner Trustee, any amounts in excess of the caps set forth, pro rata

{94}

{95}

To the Issuer Trust Certificateholders, the aggregate amount remaining

{95}

8,659,064

{96}

Total Distributions:

{96}

65,320,306

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	$	80,867,262	$	309,521,320	$	0	$	65,139,077	$	0
{98}	Class B		140,127,262		309,521,320		0		64,997,346		0
{99}	Class C		195,307,262		309,521,320		0		64,854,337		0
{100}	Class D		232,777,262		309,521,320		0		64,749,108		0

ACCELERATED PRINCIPAL AMOUNT CALCULATION

{101}

Excess Total Available Funds

{101}

8,659,064

{102}

Beginning Note Balance

{102}

232,777,262

{103}

Principal payments through Indenture Section 8.3 (a) (i) through (xv)

{103}

56,090,044

{104}

Pro-Forma Note Balance

{104}

176,687,218

{105}

Ending Aggregate Securitization Value

{105}

309,521,320

{106}

10.75% of Aggregate Securitization Value as of Cutoff until Class A-2 is paid in full,9.75% Thereafter ($132,834,102)

{106}

132,834,102

{107}

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

{107}

176,687,218

{108}

Excess of Pro Forma Balance minus Required Pro Forma Balance {104} - {107}

{108}

{109}

Lesser of Excess Total Available Funds and Excess of Pro Forma Note Balance

{109}

OVERCOLLATERALIZATION CALCULATIONS

Exchange Note:

{110}

Ending Aggregate Securitization Value

{110}

309,521,320

{111}

End of Period Note Balance

{111}

261,120,273

{112}

Overcollateralization

{112}

48,401,047

{113}

Overcollateralization %

{113}

15.64

Asset Backed Notes:

{114}

Ending Aggregate Securitization Value

{114}

309,521,320

{115}

End of Period Note Balance

{115}

176,687,218

{116}

Overcollateralization

{116}

132,834,102

{117}

Overcollateralization %

{117}

42.92

RECONCILIATION OF 2018-1 CASH RESERVE ACCOUNT

{118}

Specified Reserve Balance

{118}

6,812,005

{119}

Beginning of Period Reserve Account balance

{119}

6,812,005

{120}

Investment Earnings

{120}

449

{121}

From the Indenture Collection Account, the Reserve Account Required Amount

{121}

{122}

To the Indenture Collection Account, the Reserve Account Withdrawal Amount

{122}

{123}

Total Reserve balance available:

{123}

6,812,454

{124}

Specified Reserve Balance

{124}

6,812,005

{125}

Release Excess Cash to Indenture Collection Available Funds

{125}

449

{126}

End of period Reserve Account balance

{126}

6,812,005

ASSET REPRESENTATIONS REVIEW DELINQUENCY TRIGGER

Dollars

Percentage

{127}

Receivables with Scheduled Payment delinquent 61 days or more

{127}

2,307,438

0.75

{128}

Compliance (Trigger Violation is a Delinquency Rate Greater Than 2.90%)

{128}

Yes

By:	/s/ Randal L. Willis
Name:	Randal L. Willis
Title:	Senior Vice President, Securitization & Conduit Reporting
Date:	July 15, 2020

GM Financial

GMALT 2018-1

Supplemental Monthly Data

June 30, 2020

	Aggregate Securitization Value			Residual Value
Beginning of Period	$	365,611,364		$	348,285,900
Change		(56,090,044	)		(52,100,928	)
End of Period	$	309,521,320		$	296,184,972

Residual Value as % of Agg. Securitization Value					95.69	%

Delinquency

Leases with scheduled payment delinquent	Number of Leases		Agg. Securitization Value		Percentage⁽¹⁾
0 - 30 days		15,897		303,548,095		98.07	%
31 - 60 days		182		3,665,787		1.18	%
61 - 90 days		82		1,773,490		0.57	%
91 - 120 days		29		533,948		0.17	%
Total		16,190		309,521,320		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		162		3,133,543		4,575		106,603,941
Standard terminations		288		5,526,930		2,303		41,105,977
Total retained by lessee		450		8,660,473		6,878		147,709,918
Returned Vehicles
Early terminations		965		18,799,587		17,199		302,036,831
Standard terminations		1,218		24,507,437		14,135		246,663,850
Total returned to dealer		2,183		43,307,024		31,334		548,700,681
Charged off leases / Repossessed vehicles		23		436,501		1,993		41,024,962
Repurchases		0		0		4		79,754
Other		0		0		0		2
Total terminations		2,656		52,403,998		40,209		737,515,317

Lease Extensions/Deferments

	Current Period
	Number of Leases		Agg. Securitization Value		Percentage

Term Extensions		524		8,552,874		2.34	%

Deferments		62		1,265,029		0.35	%

Net Credit (Gain) Loss

	Current Period			Cumulative
Agg. Securitized Value of early term defaults		436,501			41,024,962
less: Sales proceeds		581,823			40,243,049
less: Excess wear and excess mileage received		514			17,697
less: Other amounts received		47			15,878
Net Credit (Gain) Loss		(145,883	)		748,338

Residual (Gain) Loss on Returned Vehicles

Agg. Securitized Value of returned vehicles sold by Servicer	43,182,848		544,606,490
add: Reimbursement of outstanding residual advance	N/A		N/A
less: Sales proceeds	49,253,855		594,136,498
less: Excess wear and excess mileage received	298,973		3,143,902
less: Other recovery amounts	-		0
Residual (Gain) Loss	(6,369,980	)	(52,673,910	)

	Current Period			Prev. Month
Prepay Speed		0.7051	%		6.5442	%

Return Rate based on Scheduled to Terminate⁽²⁾		81.0921	%		45.3191	%

Return Rate based on Terminated Leases⁽³⁾		82.1913	%		83.0409	%

(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 2018-1 10-D