Exhibit 99.1
SERVICER’S CERTIFICATE
AMERICAN HONDA FINANCE CORPORATION
MONTHLY SERVICER REPORT -- Honda Auto Receivables 2023-4 Owner Trust
Collection Period: August 1, 2026 through August 31, 2026
| Deal Age | 34 | Determination Date: 09/16/2026 | |
| Actual/360 Days | 31 | Record Date: 09/20/2026 | |
| 30/360 Days | 30 | Payment Date: 09/21/2026 |
| ORIGINAL DEAL PARAMETERS | ||||||||||||||||||||
| Dollar Amount | Number
of Receivables | |||||||||||||||||||
| Total Portfolio Balance | $ | 1,889,339,371.17 | 84,999 | |||||||||||||||||
| Accrual Basis | Dollar Amount | % of Pool | Interest Rate | Final Scheduled Maturity Date | ||||||||||||
| Class A-1 Notes | Actual/360 | $ | 464,700,000.00 | 24.60 | % | 5.68000 | % | November 21, 2024 | ||||||||
| Class A-2 Notes | 30/360 | $ | 651,800,000.00 | 34.50 | % | 5.87000 | % | June 22, 2026 | ||||||||
| Class A-3 Notes | 30/360 | $ | 651,800,000.00 | 34.50 | % | 5.67000 | % | June 21, 2028 | ||||||||
| Class A-4 Notes | 30/360 | $ | 73,806,000.00 | 3.91 | % | 5.66000 | % | February 21, 2030 | ||||||||
| Certificates | 30/360 | $ | 47,233,371.17 | 2.50 | % | 0.00000 | % | |||||||||
| Total Securities Balance | $ | 1,889,339,371.17 | ||||||||||||||
| Total Note Balance | $ | 1,842,106,000.00 | ||||||||||||||
| Reserve Account Initial Deposit | $ | 4,723,348.43 | ||||||||||||||
| Yield Supplement Account Deposit | $ | 192,733,355.73 | ||||||||||||||
| COLLECTIONS | ||||||||||||||||
| Interest Collections | ||||||||||||||||
| Simple Interest Collections | $ | 1,401,064.19 | ||||||||||||||
| Interest Related to Repurchased Receivables | $ | 0.00 | ||||||||||||||
| Interest Advance for simple Interest - Net * | $ | 0.00 | ||||||||||||||
| Total Interest Collections | $ | 1,401,064.19 | ||||||||||||||
* Advances are reimbursed (including outstanding advances of $0.00):
(i) from subsequent payments, liquidation proceeds and servicer repurchase payments in respect of the related obligor, and
(ii) to the extent amounts in clause (i) are insufficient, generally from interest (with respect to interest advances).
| Principal Collections | ||||
| Principal Collections | $ | 18,154,834.71 | ||
| Prepayments in Full | $ | 5,370,209.11 | ||
| Liquidation Proceeds | $ | 53,614.22 | ||
| Principal Related to Repurchased Receivables | $ | 0.00 | ||
| Recoveries from Prior Month Charge Offs | $ | 18,036.09 | ||
| Total Principal Collections | $ | 23,596,694.13 | ||
| Total Interest and Principal Collections | $ | 24,997,758.32 | ||
| Yield Supplement Deposit | $ | 1,461,995.30 | ||
| Collection Account Investment Earnings | $ | 0.00 | ||
| Total Available Amount | $ | 26,459,753.62 | ||
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| DISTRIBUTIONS | ||||||||||||||||||||
| Note Percentage | 100.00 | % | ||||||||||||||||||
| Certificate Percentage | 0.00 | % | Amount Due | Amount Paid | Shortfall | |||||||||||||||
| Total Servicing Fee | 1.00 | % | $ | 280,241.64 | $ | 280,241.64 | $ | 0.00 | ||||||||||||
| Trustee Fees | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Asset Representations Reviewer Fees (Accrued & Unpaid) | $ | 0.00 | ||||||||||||||||||
| Interest - Class A-1 Notes | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Interest - Class A-2 Notes | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Interest - Class A-3 Notes | $ | 1,017,059.09 | $ | 1,017,059.09 | $ | 0.00 | ||||||||||||||
| Interest - Class A-4 Notes | $ | 348,118.30 | $ | 348,118.30 | $ | 0.00 | ||||||||||||||
| Total Monthly Interest | $ | 1,365,177.39 | $ | 1,365,177.39 | $ | 0.00 | ||||||||||||||
| Principal - Class A-1 Notes | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Principal - Class A-2 Notes | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Principal - Class A-3 Notes | $ | 23,724,089.97 | $ | 23,724,089.97 | $ | 0.00 | ||||||||||||||
| Principal - Class A-4 Notes | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Total Monthly Principal | $ | 23,724,089.97 | $ | 23,724,089.97 | $ | 0.00 | ||||||||||||||
| Interest - Certificates | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Principal - Certificates | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Available to Deposit | Reserve Deposit | Reserve Draw | Excess Released | Released to Seller | ||||||||||||||||
| Reserve Account Deposit | $ | 1,090,244.62 | $ | 0.00 | $ | 0.00 | $ | 0.00 | $ | 1,090,244.62 | ||||||||||
| DISTRIBUTIONS | ||||||||||||||||||||||||
| Noteholder/Certificateholder Distributions (Per $1000 of Original Principal Amount) | Fee | Interest | Interest Shortfall | Principal | Principal Shortfall | Amount Distributed | ||||||||||||||||||
| Servicing Fee | $ | 0.15 | $ | 280,241.64 | ||||||||||||||||||||
| Trustee Fees | $ | 0.00 | ||||||||||||||||||||||
| Asset Representation Reviewer Fees | $ | 0.00 | ||||||||||||||||||||||
| Class A-1 Notes | $ | 0.00 | $ | 0.00 | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Class A-2 Notes | $ | 0.00 | $ | 0.00 | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
| Class A-3 Notes | $ | 1.56 | $ | 0.00 | $ | 36.40 | $ | 0.00 | $ | 24,741,149.06 | ||||||||||||||
| Class A-4 Notes | $ | 4.72 | $ | 0.00 | $ | 0.00 | $ | 0.00 | $ | 348,118.30 | ||||||||||||||
| Certificates | $ | 0.00 | $ | 0.00 | $ | 0.00 | $ | 0.00 | $ | 0.00 | ||||||||||||||
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| POOL DATA | ||||||||||||||||||||||||
| Proceeding Month | ||||||||||||||||||||||||
| Carryover Shortfall | Beginning of Period | End of Period | ||||||||||||||||||||||
| Interest | Principal | Balance | Note Factor | Balance | Note Factor | |||||||||||||||||||
| Class A-1 Notes | $ | 0.00 | $ | 0.00 | $ | 0.00 | 0.0000000 | $ | 0.00 | 0.0000000 | ||||||||||||||
| Class A-2 Notes | $ | 0.00 | $ | 0.00 | $ | 0.00 | 0.0000000 | $ | 0.00 | 0.0000000 | ||||||||||||||
| Class A-3 Notes | $ | 0.00 | $ | 0.00 | $ | 215,250,601.21 | 0.3302403 | $ | 191,526,511.24 | 0.2938425 | ||||||||||||||
| Class A-4 Notes | $ | 0.00 | $ | 0.00 | $ | 73,806,000.00 | 1.0000000 | $ | 73,806,000.00 | 1.0000000 | ||||||||||||||
| Certificates | $ | 0.00 | $ | 0.00 | $ | 47,233,371.17 | 1.0000000 | $ | 47,233,371.17 | 1.0000000 | ||||||||||||||
| Total Securities | $ | 336,289,972.38 | 0.1779934 | $ | 312,565,882.41 | 0.1654366 | ||||||||||||||||||
| Total Notes | $ | 289,056,601.21 | 0.1569164 | $ | 265,332,511.24 | 0.1440376 | ||||||||||||||||||
| Portfolio Information | Original | Prior Month | Current Month | |||||||||
| Weighted Average Coupon (WAC) | 4.36 | % | 4.94 | % | 4.97 | % | ||||||
| Weighted Average Remaining Maturity (WAM) | 50.09 | 22.96 | 22.22 | |||||||||
| Weighted Average Original Maturity (WAOM) | 62.34 | |||||||||||
| Remaining Number of Receivables | 84,999 | 34,025 | 32,677 | |||||||||
| Portfolio Receivable Balance | $ | 1,889,339,371.17 | $ | 336,289,972.38 | $ | 312,565,882.41 | ||||||
| DELINQUENCY AND NET LOSS ACTIVITY | ||||
| Net Loss and Delinquency Account Activity | Amount | |||
| Gross Principal Balance on Defaulted Receivables | $ | 199,046.15 | ||
| Liquidation Proceeds | $ | 53,614.22 | ||
| Recoveries on Previously Defaulted Contracts | $ | 18,036.09 | ||
| Aggregate Net Losses for Collection Period | $ | 127,395.84 | ||
| Net Loss Rate for Collection Period’s Average Balance (annualized) | 0.47 | % | ||
| Cumulative Net Losses for all Periods | $ | 4,603,660.90 | ||
| Delinquent Receivables | # Units | % Unit | Dollar Amount | % Dollar | ||||||||||||
| 31-60 Days Delinquent | 307 | 0.94 | % | $ | 3,781,805.11 | 1.21 | % | |||||||||
| 61-90 Days Delinquent | 83 | 0.25 | % | $ | 988,569.47 | 0.32 | % | |||||||||
| 91-120 Days Delinquent | 20 | 0.06 | % | $ | 205,664.29 | 0.07 | % | |||||||||
| 121 Days or More Delinquent | 0 | 0.00 | % | $ | 0.00 | 0.00 | % | |||||||||
| Repossession Activity | # Units | % Unit | Dollar Amount | % Dollar | ||||||||||||
| Vehicles Repossessed During Collection Period | 9 | 0.03 | % | $ | 159,892.82 | 0.05 | % | |||||||||
| Total Accumulated Repossessed Vehicles in Inventory | 15 | 0.05 | % | $ | 234,862.23 | 0.08 | % | |||||||||
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| Net Loss and Delinquency Ratios | ||||
| Ratio of Net Losses to the Pool Balance as of Each Collection Period | ||||
| Third Preceding Collection Period | 0.01 | % | ||
| Second Preceding Collection Period | -0.29 | % | ||
| Preceding Collection Period | 0.11 | % | ||
| Current Collection Period | 0.47 | % | ||
| Four Month Average | 0.07 | % | ||
| Ratio of Number of Contracts Delinquent 61 Days or More to the Outstanding Number of Receivables (includes repossessions in inventory) | ||||
| Second Preceding Collection Period | 0.28 | % | ||
| Preceding Collection Period | 0.28 | % | ||
| Current Collection Period | 0.36 | % | ||
| Three Month Average | 0.31 | % | ||
| Delinquency Trigger | 4.80 | % | Delinquency Percentage exceeds Delinquency Trigger: | No | ||||||
| Delinquency Percentage - | 0.38 | % |
Receivables that are 61 days or more delinquent as a percentage of Current Outstanding Balance of Receivables
| LOSS AND CUMULATIVE LOSS INFORMATION | ||||||||||||||||
| Current Month | Cumulative | |||||||||||||||
| For Assets Experiencing a Loss: | Units | Amount | Units | Amount | ||||||||||||
| Gross Principal on Defaulted Receivables | 13 | $ | 177,872.66 | 571 | $ | 12,952,032.56 | ||||||||||
| Liquidation Proceeds and Recoveries on Defaulted Receivables | 33 | $ | 49,397.86 | 500 | $ | 8,299,457.11 | ||||||||||
| Net Loss Amount | 13 | $ | 128,474.80 | 571 | $ | 4,652,575.45 | ||||||||||
| Net Loss % of Average Portfolio Balance (Annualized) | 0.48 | % | ||||||||||||||
| Cumulative Net Loss % of Initial Balance | 0.25 | % | ||||||||||||||
| Average Net Loss of Assets Experiencing a Loss | $ | 8,148.12 | ||||||||||||||
| CREDIT ENHANCEMENT | ||||||||||
| Reconciliation of Reserve Account | Reconciliation of Yield Supplement Account | |||||||||
| Beginning Reserve Account Balance | $ | 4,723,348.43 | Beginning Yield Supplement Account Balance | $ | 13,593,164.17 | |||||
| Investment Earnings | $ | 14,047.48 | Investment Earnings | $ | 43,374.73 | |||||
| Excess Interest Deposited into the Reserve Account | $ | 0.00 | Additional Yield Supplement Amounts | $ | 0.00 | |||||
| Investment Withdrawal to Seller | $ | (14,047.48 | ) | Yield Supplement Withdrawal Amount | $ | (1,461,995.30 | ) | |||
| Release of Reserve to Collection Account | $ | 0.00 | Investment Earnings Withdraw | $ | 0.00 | |||||
| Release of Reserve to Seller | $ | 0.00 | Release of Yield Supplement Account Balance to Seller | $ | 0.00 | |||||
| Ending Reserve Account Balance | $ | 4,723,348.43 | Ending Yield Supplement Account Balance | $ | 12,174,543.60 | |||||
| Reserve Account Required Amount | $ | 4,723,348.43 | ||||||||
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| REPURCHASE DEMAND ACTIVITY (RULE 15Ga-1) | |||
| Is there any activity to report? | No | ||
| STATEMENT TO NOTEHOLDERS | |||
| Has there been a material change in practices with respect to charge-offs, collection and management of delinquent receivables, and the effect of any grace period, re-aging, re-structuring, partial payments or other practices on delinquency and loss experience? | No | ||
| Have there been any material modifications, extensions or waivers to receivables terms, fees, penalties or payments during the collection period? | No | ||
| Have there been any material breaches of representations, warranties or covenants contained in the receivables? | No | ||
| Has there been an issuance of notes or other securities backed by the receivables? | No | ||
| Has there been a material change in the underwriting, origination or acquisition of receivables? | No |
SERVICER CERTIFICATION
I hereby certify that the servicing report provided is true and accurate to the best of my knowledge.
| /s/ Michi Rey | |
| Ms. Michiko Yamasaki Rey | |
| Secretary, American Honda Receivables |
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