Ally Master Owner Trust

Monthly Servicing Report

March 15, 2021

Series 2018-2 Summary

1. Information

Closing Date

May 30, 2018

Series 2018-2 Expected Maturity Date

May 17, 2021

Series 2018-2 Legal Maturity Date

May 15, 2023

Nonoverconcentration or Overconcentration Series

Nonoverconcentration

Excess Interest Sharing Group

One

Principal Sharing Group

One

Shared Enhancement Series

N/A

Interest Reallocation Group

N/A

Revolving/Controlled Accumulation/Early Amortization

Revolving


2. Securities Balances
	Class	Note Principal Balance as of prior Distribution Date		Note Principal Balance as of current Distribution Date		Average Daily Note Principal Balance - Prior to Current Distribution Date
	A	$	750,000,000.00	$	750,000,000.00	$	750,000,000.00
	B	$	55,000,000.00	$	55,000,000.00	$	55,000,000.00
	C	$	40,000,000.00	$	40,000,000.00	$	40,000,000.00
	D	$	30,000,000.00	$	30,000,000.00	$	30,000,000.00
	E	$	125,000,000.00	$	125,000,000.00	$	125,000,000.00
	Total	$	1,000,000,000.00	$	1,000,000,000.00	$	1,000,000,000.00


3. Interest Calculations
	Class	Average Daily Note Principal Balance - Prior to Current Distribution Date			Rate		Days in Interest Period	Monthly Interest
	A	$	750,000,000.00		3.29000	%	30	$	2,056,250.00
	B	$	55,000,000.00		3.63000	%	30	$	166,375.00
	C	$	40,000,000.00		3.93000	%	30	$	131,000.00
	D	$	30,000,000.00		4.56000	%	30	$	114,000.00
	E	$	125,000,000.00		N/A		N/A	$	—
	Total	$	1,000,000,000.00					$	2,467,625.00

	Blended Note Interest Rate (Class A-D)	3.38417		%
	Days in Interest Period	30
	Monthly Interest Fixed	$	2,467,625.00


ALLY MASTER OWNER TRUST SERIES 2018-2						Page 1 of 5

Ally Master Owner Trust

Monthly Servicing Report

March 15, 2021


4. Net Invested Amount

	Beginning of Period Net Invested Amount	$	1,000,000,000.00
	Less Balance Paydown during Period	$	—
	Less Net Reallocated Principal Collections	$	—
	Less Net Series Charge-Offs	$	—
	Plus/Less Other Class E Adjustments	$	—
	End of Period Net Invested Amount	$	1,000,000,000.00
	Determination Date Note Distribution Account Balance	$	491,459,655.44
	Determination Date Net Invested Amount	$	508,540,344.56

5. Series Allocations

	Floating Series Percentage	20.55		%
	Fixed Series Percentage (Average)	20.26		%
	Series Interest Collections	$	4,251,589.20
	Series Principal Collections (Period)	$	636,080,813.22
	Series Defaulted Amount	$	—

6. Collections

	Available Series Interest Collections

	Series Interest Collections	$	4,251,589.20
	Plus Reserve Fund - Net Interest and Investment Earnings	$	23.38
	Plus Note Distribution Account - Net Interest and Investment Earnings	$	—
	Total	$	4,251,612.58

	Amounts allocated to Interest Waterfall
	Excess Interest Collections from Other Series	$	—
	Reserve Fund Available Amount Used	$	—
	Reallocated Principal Collections Used	$	—
	Servicer Advance	$	—
	Total	$	—

	Principal Collections

	Series Principal Collections (collection period)	$	636,080,813.22
	Shared Principal Collections (collection period)	$	—
	Excess Funding Account Withdrawals (collection period)	$	—
	Less Reallocated Principal Collections (Current Monthly Payment Date)	$	—
	Additional Available Series Principal Collections (Current Monthly Payment Date)	$	—
	Available Investor Principal Collections	$	636,080,813.22

7. Application of Available Series Interest Collections on Deposit in Collection Account

	Monthly Servicing Fee (including unpaid Monthly Servicing Fees for prior Distribution Dates) - Indenture Supplement 4.04(i)	$	845,456.17
	Unpaid fees, expenses and indemnities (not to exceed $150,000 in a calendar year)	$	—
	Monthly Backup Servicing Fee	$	5,495.47
	Class A Monthly Interest (including unpaid Class A Monthly Interest for prior Distribution Dates)	$	2,056,250.00
	Class B Monthly Interest (including unpaid Class B Monthly Interest for prior Distribution Dates)	$	166,375.00
	Class C Monthly Interest (including unpaid Class C Monthly Interest for prior Distribution Dates)	$	131,000.00
	Class D Monthly Interest (including unpaid Class D Monthly Interest for prior Distribution Dates)	$	114,000.00
	Series Defaulted Amount (treated as Additional Available Series Principal Collections)	$	—
	Series Charge-Offs - unreimbursed (to be treated as Additional Available Series Principal Collections)	$	—
	Reallocated Principal Collections - unreimbursed (to be treated as Additional Available Series Principal Collections)	$	—
	Amount to cause the Class E Invested Amount to not be less than the Required Class E Invested Amount (to be treated as Additional Available Series Principal Collections)	$	—
	Reserve Fund Deposit Amount	$	—
	Repayment of Outstanding Servicer Advances	$	—
	Remaining fees, expenses, indemnities or other amounts	$	—
	Interest Collections Shortfalls for other outstanding Series in Excess Interest Sharing Group One	$	—
	Deposit in the Certificate Distribution Account for distribution to the holders of the Certificate (to extent not required to be deposited in EFA or CCA)	$	933,035.94


ALLY MASTER OWNER TRUST SERIES 2018-2						Page 2 of 5

Ally Master Owner Trust

Monthly Servicing Report

March 15, 2021


8. Available Investor Principal Collections Distribution Payments by Priority
Available Investor Principal Collections	$	636,080,813.22
Aggregate Deposit to Note Distribution and Note Defeasance Accounts	$	—
Shared with other series in Excess Sharing Group One	$	—
Remainder released to holders of Certificate Interest (to extent not required to be deposited in EFA or CCA)	$	636,080,813.22

Application of Principal Amounts in Note Distribution Account	Balance Prior to Distribution		Distributions Allocable to Principal		Balance Following Distribution
A	$	—	$	—	$	—
B	$	—	$	—	$	—
C	$	—	$	—	$	—
D	$	—	$	—	$	—
E	$	—	$	—	$	—
Total	$	—	$	—	$	—


9. Series Accounts

	Note Distribution Account (Collection Period)
	Note Distribution Account - Beginning Balance	$	—
	Plus Note Distribution Account Deposit Amount	$	—
	Less Note Distribution Account Draw Amount	$	—
	Note Distribution Account - Ending Balance	$	—

	Note Defeasance Account (Collection Period)
	Note Defeasance Account - Beginning Balance	$	—
	Plus Note Defeasance Account Deposit Amount	$	—
	Less Note Defeasance Account Draw Amount	$	—
	Note Defeasance Account - Ending Balance	$	—

	Reserve Fund (Distribution Date to Distribution Date)
	Reserve Fund - Beginning Balance	$	5,000,000.00
	Less Reserve Fund Available Amount Used	$	—
	Less Reserve Fund Distributed to Certificate Holder per Indenture Supplement 4.11(e)	$	—
	Plus Reserve Fund Deposit Amount	$	—
	Plus Reserve Fund amount funded by Depositor per Indenture Supplement 4.11(c)	$	—
	Reserve Fund - Ending Balance	$	5,000,000.00

	Reserve Fund Required Amount	$	5,000,000.00
	Reserve Fund Trigger Amount	$	5,000,000.00

10. Servicer Advances

	Beginning Unreimbursed Servicer Advances	$	—
	Plus Servicer Advances During the Period	$	—
	Less Repayment of Servicer Advances	$	—
	Ending Unreimbursed Servicer Advances	$	—


ALLY MASTER OWNER TRUST SERIES 2018-2						Page 3 of 5

Ally Master Owner Trust

Monthly Servicing Report

March 15, 2021

11. Series 2018-2 Early Amortization Events

Failure by the Depositor, the Servicer or the Seller, as applicable, to duly observe or perform in any material respect any other covenants or agreements in the TSSA or PSA (unremitted for 60 days)

Breach of representation or warranty made by the seller in the PSA or the Depositor in the TSSA or materially incorrect information in the Schedule of Accounts (unremitted for 60 days)

Failure to pay (or set aside for payment) all amounts required to be paid as principal on any Series 2018-2 Notes on the Series 2018-2 Expected Maturity Date

Average of the Monthly Payment Rates for three preceding Collection Periods is less than 17.5%

Amount on deposit in Reserve Fund is less than Reserve Fund Required Amount for three consecutive Distribution Dates

Reserve Fund Required Amount exceeds the amount on deposit in Reserve Fund by more than the Reserve Fund Trigger Amount

Series 2018-2 Event of Default has occurred

Insolvency Event with respect to the Seller, the Depositor or the Seller (or Ally, if Ally is not the Servicer)

Amounts on deposit in the Excess Funding Account exceeds 30% of the sum of the Net Invested Amounts for all outstanding Series (average over the last six Collection Periods or , if shorter, the period from the initial issuance date through the immediately preceding Collection Period)

Current Month

—

Current Month - 1

—

Current Month - 2

—

Current Month - 3

—

Current Month - 4

—

Current Month - 5

—

Six Month Average

—

Issuing Entity or the Depositor are required to register under the Investment Company Act

Liquidation Event occurs with respect to a Significant Manufacturer or with respect to a Majority of Manufacturers

Required Class E Invested Amount exceeds the Class E Invested Amount

Required Class E Invested Amount

125,000,000.00

Class E Invested Amount

125,000,000.00

A failure by the depositor to transfer to the Issuing Entity Receivables arising in connection with Additional Accounts within 15 Business Days after the date on which the Depositor is required to convey such Receivables

On the first Distribution Date related to the Controlled Accumulation Period, the amount on deposit in the Accumulation Period Reserve Account is less than the Accumulation Period Reserve Account Required Amount

12. Series 2018-2 Asset Representation Review Trigger ("ARR Trigger")

Current month receivables in P/N accounts (based on aggregate outstanding principal balance) at portfolio level as a percent (%) of total receivables (based on aggregate outstanding principal balance)

0.43

Series 2018-2 Downgrade Trigger Percentage (%)

13.85

Asset Representations Trigger Review (PASS /FAIL)

PASS


ALLY MASTER OWNER TRUST SERIES 2018-2						Page 4 of 5

Ally Master Owner Trust

Monthly Servicing Report

March 15, 2021


13. Credit Risk Retention
	The percentage based on the fair value of the Class E notes retained by the depositor as an eligible horizontal residual interest for Series 2018-2 as of the Series 2018-2 closing date	9.31	%


ALLY MASTER OWNER TRUST SERIES 2018-2						Page 5 of 5

Ally Master Owner Trust 10-D