Benchmark 2021-B23 Mortgage Trust
09/30/2026 | Press release | Distributed by Public on 09/30/2026 13:41
Asset-Backed Issuer Distribution Report (Form 10-D)
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| STATEMENT TO NOTEHOLDERS |
| September 17, 2026 |
| TRANSACTION PARTIES | ||
| Depositor: | Citigroup Commercial Mortgage Securities Inc. | |
| Master Servicer: | Midland Loan Services, a Division of PNC Bank N.A. | |
| Asset Representations Reviewer / | ||
| Park Bridge Lender Services LLC | ||
| Operating Advisor: | ||
| Trustee: | Wilmington Trust, National Association | |
| Special Servicer: | CWCapital Asset Management LLC | |
| Special Servicer: | Situs Holdings, LLC | |
| Special Servicer: | Torchlight Loan Services, LLC | |
| Certificate Administrator: | Citibank, N.A. | |
| Dragana Boskovic | Citibank, Agency and Trust | |
| (212) 816-0735 | 388 Greenwich Street Trading, 4th Floor | |
| [email protected] | New York, NY 10013 | |
| TABLE OF CONTENTS | ||
| 1. | Distribution Summary | 2 |
| 1.1. | Summary | 2 |
| 1.2. | Factors | 4 |
| 2. | Distribution Detail | 5 |
| 2.1. | Interest Detail | 5 |
| 2.2. | Interest Shortfall Detail | 7 |
| 2.3. | Principal Detail | 9 |
| 3. | Reconciliation Detail | 10 |
| 4. | Other Information | 11 |
| 5. | Stratification Detail | 12 |
| 6. | Mortgage Loan Detail | 17 |
| 7. | NOI Detail | 19 |
| 8. | Delinquency Loan Detail | 21 |
| 9. | Collateral Performance Delinquency and Loan Status Detail | 22 |
| 10. | Appraisal Reduction Detail | 23 |
| 11. | Historical Appraisal Reduction Detail | 24 |
| 12. | Loan Modification Detail | 25 |
| 13. | Historical Loan Modification Detail | 26 |
| 14. | Specially Serviced Loan Detail | 29 |
| 15. | Historical Specially Serviced Loan Detail | 30 |
| 16. | Unscheduled Principal Detail | 31 |
| 17. | Historical Unscheduled Principal Detail | 32 |
| 18. | Liquidated Loan Detail | 33 |
| 19. | Historical Liquidated Loan Detail | 34 |
| 20. | CREFC Investor Reporting Package Legends | 35 |
| 21. | Notes | 36 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 1 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| DISTRIBUTION SUMMARY |
| September 17, 2026 |
| Accretion | |||||||||||
| & | |||||||||||
| Non-Cash | |||||||||||
| Accrual | Other | Balance | |||||||||
| Original | Prior | Pass-Through | Day | Interest | (As Interest) | Principal | Total | Realized Loss | Increase/ | Current | |
| Class | Balance | Balance | Rate | Count | Distributed | Distributed | Distributed | Distributed | /(Recovery) | (Decrease) | Balance |
| A-1 | 21,244,000.00 | - | 0.418000% | 30/360 | - | - | - | - | - | - | - |
| A-2 | 155,183,000.00 | 131,373,563.82 | 1.620000% | 30/360 | 177,354.31 | - | 48.96 | 177,403.27 | - | - | 131,373,514.86 |
| A-4A1 | 200,000,000.00 | 200,000,000.00 | 1.823000% | 30/360 | 303,833.33 | - | - | 303,833.33 | - | - | 200,000,000.00 |
| A-4A2 | 200,000,000.00 | 200,000,000.00 | 1.823000% | 30/360 | 303,833.33 | - | - | 303,833.33 | - | - | 200,000,000.00 |
| A-5 | 421,699,000.00 | 421,699,000.00 | 2.070000% | 30/360 | 727,430.77 | - | - | 727,430.77 | - | - | 421,699,000.00 |
| A-AB | 19,922,000.00 | 17,356,685.93 | 1.766000% | 30/360 | 25,543.26 | - | 358,585.95 | 384,129.21 | - | - | 16,998,099.98 |
| A-S | 163,615,000.00 | 163,615,000.00 | 2.274000% | 30/360 | 310,050.42 | - | - | 310,050.42 | - | - | 163,615,000.00 |
| B | 59,992,000.00 | 59,992,000.00 | 2.095000% | 30/360 | 104,736.03 | - | - | 104,736.03 | - | - | 59,992,000.00 |
| C | 45,449,000.00 | 45,449,000.00 | 2.563000% | 30/360 | 97,071.49 | - | - | 97,071.49 | - | - | 45,449,000.00 |
| COMB_VRR | 76,545,008.00 | 74,038,757.93 | 0.000000% | 30/360 | 204,031.70 | - | 18,875.52 | 222,907.22 | - | - | 74,019,882.41 |
| D | 50,902,000.00 | 50,902,000.00 | 2.000000% | 30/360 | 84,836.67 | - | - | 84,836.67 | - | - | 50,902,000.00 |
| E | 21,816,000.00 | 21,816,000.00 | 2.000000% | 30/360 | 36,360.00 | - | - | 36,360.00 | - | - | 21,816,000.00 |
| F | 32,723,000.00 | 32,723,000.00 | 2.306890% | 30/360 | 62,906.97 | - | - | 62,906.97 | - | - | 32,723,000.00 |
| G | 14,543,000.00 | 14,543,000.00 | 2.306890% | 30/360 | 27,957.59 | - | - | 27,957.59 | - | - | 14,543,000.00 |
| H | 47,267,145.00 | 47,267,145.00 | 2.306890% | 30/360 | 90,866.78 | - | - | 90,866.78 | - | - | 47,267,145.00 |
| R | - | - | 0.000000% | 30/360 | - | - | - | - | - | - | - |
| S | - | - | 0.000000% | 30/360 | - | - | - | - | - | - | - |
| Spear 360-A | 12,350,000.00 | 12,350,000.00 | 2.851548% | 30/360 | 29,347.18 | - | - | 29,347.18 | - | - | 12,350,000.00 |
| Spear 360-B | 16,387,000.00 | 16,387,000.00 | 2.851548% | 30/360 | 38,940.26 | - | - | 38,940.26 | - | - | 16,387,000.00 |
| Spear 360-C | 16,388,000.00 | 16,388,000.00 | 2.851548% | 30/360 | 38,942.64 | - | - | 38,942.64 | - | - | 16,388,000.00 |
| Spear 360-D | 7,125,000.00 | 7,125,000.00 | 2.851548% | 30/360 | 16,931.07 | - | - | 16,931.07 | - | - | 7,125,000.00 |
| Spear 360-V | 2,750,000.00 | 2,750,000.00 | 2.851548% | 30/360 | 6,534.80 | - | - | 6,534.80 | - | - | 2,750,000.00 |
| Total | 1,585,900,153 | 1,535,775,153 | 2,687,508.60 | - | 377,510.43 | 3,065,019.03 | - | - | 1,535,397,642 | ||
| Notional | |||||||||||
| X-A | 1,181,663,000 | 1,134,044,250 | 1.351363% | 30/360 | 1,277,087.73 | - | - | 1,277,087.73 | - | (358,634.91) | 1,133,685,615 |
| X-B | 105,441,000.00 | 105,441,000.00 | 1.010165% | 30/360 | 88,760.65 | - | - | 88,760.65 | - | - | 105,441,000.00 |
| X-D | 72,718,000.00 | 72,718,000.00 | 1.306890% | 30/360 | 79,195.36 | - | - | 79,195.36 | - | - | 72,718,000.00 |
| X-F | 32,723,000.00 | 32,723,000.00 | 1.000000% | 30/360 | 27,269.17 | - | - | 27,269.17 | - | - | 32,723,000.00 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 2 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| DISTRIBUTION SUMMARY |
| September 17, 2026 |
| Accretion | |||||||||||
| & | |||||||||||
| Non-Cash | |||||||||||
| Accrual | Other | Balance | |||||||||
| Original | Prior | Pass-Through | Day | Interest | (As Interest) | Principal | Total | Realized Loss | Increase/ | Current | |
| Class | Balance | Balance | Rate | Count | Distributed | Distributed | Distributed | Distributed | /(Recovery) | (Decrease) | Balance |
| X-G | 14,543,000.00 | 14,543,000.00 | 1.000000% | 30/360 | 12,119.17 | - | - | 12,119.17 | - | - | 14,543,000.00 |
| X-H | 47,267,145.00 | 47,267,145.00 | 1.000000% | 30/360 | 39,389.29 | - | - | 39,389.29 | - | - | 47,267,145.00 |
| Total | 1,454,355,145 | 1,406,736,395 | 1,523,821.37 | - | - | 1,523,821.37 | - | (358,634.91) | 1,406,377,760 | ||
| Grand Total | 3,040,255,298 | 2,942,511,547 | 4,211,329.97 | - | 377,510.43 | 4,588,840.40 | - | (358,634.91) | 2,941,775,402 | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 3 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| DISTRIBUTION SUMMARY - FACTORS |
| September 17, 2026 |
| Accretion | |||||||||
| & | |||||||||
| Non-Cash | |||||||||
| Other | Balance | ||||||||
| Record | Interest | (As Interest) | Principal | Total | Realized Loss | Increase/ | Current | ||
| Class | CUSIP | Date | Distributed | Distributed | Distributed | Distributed | /(Recovery) | (Decrease) | Balance |
| A-1 | 08162RAA5 | 08/31/2026 | - | - | - | - | - | - | - |
| A-2 | 08162RAB3 | 08/31/2026 | 1.14287203 | - | 0.00031550 | 1.14318753 | - | - | 846.57156299 |
| A-4A1 | 08162RAC1 | 08/31/2026 | 1.51916665 | - | - | 1.51916665 | - | - | 1,000.00000000 |
| A-4A2 | 08162RBX4 U0810TAU7 08162RBY2 | 08/31/2026 | 1.51916665 | - | - | 1.51916665 | - | - | 1,000.00000000 |
| A-5 | 08162RAD9 | 08/31/2026 | 1.72499999 | - | - | 1.72499999 | - | - | 1,000.00000000 |
| A-AB | 08162RAE7 | 08/31/2026 | 1.28216344 | - | 17.99949553 | 19.28165897 | - | - | 853.23260616 |
| A-S | 08162RAG2 | 08/31/2026 | 1.89499997 | - | - | 1.89499997 | - | - | 1,000.00000000 |
| B | 08162RAH0 | 08/31/2026 | 1.74583328 | - | - | 1.74583328 | - | - | 1,000.00000000 |
| C | 08162RAJ6 | 08/31/2026 | 2.13583335 | - | - | 2.13583335 | - | - | 1,000.00000000 |
| COMB_VRR | 08162RBG1 | 08/31/2026 | 2.66551282 | - | 0.24659374 | 2.91210656 | - | - | 967.01123096 |
| D | 08162RAK3 U0810TAA1 08162RAL1 | 08/31/2026 | 1.66666673 | - | - | 1.66666673 | - | - | 1,000.00000000 |
| E | 08162RAM9 U0810TAB9 08162RAN7 | 08/31/2026 | 1.66666667 | - | - | 1.66666667 | - | - | 1,000.00000000 |
| F | 08162RAP2 U0810TAC7 08162RAQ0 | 08/31/2026 | 1.92240840 | - | - | 1.92240840 | - | - | 1,000.00000000 |
| G | 08162RAR8 U0810TAD5 08162RAS6 | 08/31/2026 | 1.92240872 | - | - | 1.92240872 | - | - | 1,000.00000000 |
| H | 08162RAT4 U0810TAE3 08162RAU1 | 08/31/2026 | 1.92240890 | - | - | 1.92240890 | - | - | 1,000.00000000 |
| R | 08162RBH9 | 08/31/2026 | - | - | - | - | - | - | - |
| S | 08162RBV8 | 08/31/2026 | - | - | - | - | - | - | - |
| Spear 360-A | 08162RBK2 U0810TAN3 08162RBL0 | 08/31/2026 | 2.37628988 | - | - | 2.37628988 | - | - | 1,000.00000000 |
| Spear 360-B | 08162RBM8 U0810TAP8 08162RBN6 | 08/31/2026 | 2.37628974 | - | - | 2.37628974 | - | - | 1,000.00000000 |
| Spear 360-C | 08162RBP1 U0810TAQ6 08162RBQ9 | 08/31/2026 | 2.37628997 | - | - | 2.37628997 | - | - | 1,000.00000000 |
| Spear 360-D | 08162RBR7 U0810TAR4 08162RBS5 | 08/31/2026 | 2.37629053 | - | - | 2.37629053 | - | - | 1,000.00000000 |
| Spear 360-V | 08162RBU0 | 08/31/2026 | 2.37629091 | - | - | 2.37629091 | - | - | 1,000.00000000 |
| X-A | 08162RAF4 | 08/31/2026 | 1.08075461 | - | - | 1.08075461 | - | - | 959.39841954 |
| X-B | 08162RAV9 U0810TAF0 08162RAW7 | 08/31/2026 | 0.84180395 | - | - | 0.84180395 | - | - | 1,000.00000000 |
| X-D | 08162RAX5 U0810TAG8 08162RAY3 | 08/31/2026 | 1.08907506 | - | - | 1.08907506 | - | - | 1,000.00000000 |
| X-F | 08162RAZ0 U0810TAH6 08162RBA4 | 08/31/2026 | 0.83333344 | - | - | 0.83333344 | - | - | 1,000.00000000 |
| X-G | 08162RBB2 U0810TAJ2 08162RBC0 | 08/31/2026 | 0.83333356 | - | - | 0.83333356 | - | - | 1,000.00000000 |
| X-H | 08162RBD8 U0810TAK9 08162RBE6 | 08/31/2026 | 0.83333339 | - | - | 0.83333339 | - | - | 1,000.00000000 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 4 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| DISTRIBUTION INFORMATION - INTEREST DETAIL |
| September 17, 2026 |
| Rate | Interest | Shortfall | Paid | ||||||||||
| Cap | |||||||||||||
| Accrual | Net | Accreted | Non | Carry | Cap Carryover | Carryover | |||||||
| Class | Uncapped Capped | Next | Dates | Accrued | /Deferred | Recovered | Forward | /Basis Risk | Accrued | Carry Forward /Basis Risk | Total | ||
| A-1 | 0.41800% | 0.41800% | 0.41800% | 08/01-08/31 | - | - | - | - | - | - | - | - | - |
| A-2 | 1.62000% | 1.62000% | 1.62000% | 08/01-08/31 | 177,354.31 | - | - | - | - | 177,354.31 | - | - | 177,354.31 |
| A-4A1 | 1.82300% | 1.82300% | 1.82300% | 08/01-08/31 | 303,833.33 | - | - | - | - | 303,833.33 | - | - | 303,833.33 |
| A-4A2 | 1.82300% | 1.82300% | 1.82300% | 08/01-08/31 | 303,833.33 | - | - | - | - | 303,833.33 | - | - | 303,833.33 |
| A-5 | 2.07000% | 2.07000% | 2.07000% | 08/01-08/31 | 727,430.77 | - | - | - | - | 727,430.77 | - | - | 727,430.77 |
| A-AB | 1.76600% | 1.76600% | 1.76600% | 08/01-08/31 | 25,543.26 | - | - | - | - | 25,543.26 | - | - | 25,543.26 |
| A-S | 2.27400% | 2.27400% | 2.27400% | 08/01-08/31 | 310,050.42 | - | - | - | - | 310,050.42 | - | - | 310,050.42 |
| B | 2.09500% | 2.09500% | 2.09500% | 08/01-08/31 | 104,736.03 | - | - | - | - | 104,736.03 | - | - | 104,736.03 |
| C | 2.56300% | 2.56300% | 2.56300% | 08/01-08/31 | 97,071.49 | - | - | - | - | 97,071.49 | - | - | 97,071.49 |
| COMB_VRR | 0.00000% | 0.00000% | 0.00000% | 08/01-08/31 | 204,031.70 | - | - | - | - | 204,031.70 | - | - | 204,031.70 |
| D | 2.00000% | 2.00000% | 2.00000% | 08/01-08/31 | 84,836.67 | - | - | - | - | 84,836.67 | - | - | 84,836.67 |
| E | 2.00000% | 2.00000% | 2.00000% | 08/01-08/31 | 36,360.00 | - | - | - | - | 36,360.00 | - | - | 36,360.00 |
| F | 2.20099% | 2.30689% | 2.30689% | 08/01-08/31 | 62,906.97 | - | - | - | - | 62,906.97 | - | - | 62,906.97 |
| G | 2.20099% | 2.30689% | 2.30689% | 08/01-08/31 | 27,957.59 | - | - | - | - | 27,957.59 | - | - | 27,957.59 |
| H | 2.20099% | 2.30689% | 2.30689% | 08/01-08/31 | 90,866.76 | - | - | 146.96 | - | 90,866.76 | 0.02 | - | 90,866.78 |
| R | 0.00000% | 0.00000% | 0.00000% | 08/01-08/31 | - | - | - | - | - | - | - | - | - |
| S | 0.00000% | 0.00000% | 0.00000% | 08/01-08/31 | - | - | - | - | - | - | - | - | - |
| Spear 360-A | 2.75956% | 2.85155% | 2.85155% | 08/01-08/31 | 29,347.18 | - | - | - | - | 29,347.18 | - | - | 29,347.18 |
| Spear 360-B | 2.75956% | 2.85155% | 2.85155% | 08/01-08/31 | 38,940.26 | - | - | - | - | 38,940.26 | - | - | 38,940.26 |
| Spear 360-C | 2.75956% | 2.85155% | 2.85155% | 08/01-08/31 | 38,942.64 | - | - | - | - | 38,942.64 | - | - | 38,942.64 |
| Spear 360-D | 2.75956% | 2.85155% | 2.85155% | 08/01-08/31 | 16,931.07 | - | - | - | - | 16,931.07 | - | - | 16,931.07 |
| Spear 360-V | 2.75956% | 2.85155% | 2.85155% | 08/01-08/31 | 6,534.80 | - | - | - | - | 6,534.80 | - | - | 6,534.80 |
| Total | 2,687,508.58 | - | - | 146.96 | - | 2,687,508.58 | 0.02 | - | 2,687,508.60 | ||||
| Notional | |||||||||||||
| X-A | 1.28027% | 1.35136% | 1.35136% | 08/01-08/31 | 1,277,087.73 | - | - | - | - | 1,277,087.73 | - | - | 1,277,087.73 |
| X-B | 0.90426% | 1.01016% | 1.01016% | 08/01-08/31 | 88,760.65 | - | - | - | - | 88,760.65 | - | - | 88,760.65 |
| X-D | 1.20099% | 1.30689% | 1.30689% | 08/01-08/31 | 79,195.36 | - | - | - | - | 79,195.36 | - | - | 79,195.36 |
| X-F | 1.00000% | 1.00000% | 1.00000% | 08/01-08/31 | 27,269.17 | - | - | - | - | 27,269.17 | - | - | 27,269.17 |
| X-G | 1.00000% | 1.00000% | 1.00000% | 08/01-08/31 | 12,119.17 | - | - | - | - | 12,119.17 | - | - | 12,119.17 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 5 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| DISTRIBUTION INFORMATION - INTEREST DETAIL |
| September 17, 2026 |
| Paid |
| Rate | Interest | Shortfall | |||||||||||
| Cap | |||||||||||||
| Accrual | Net | Accreted | Non | Carry | Cap Carryover | Carryover | |||||||
| Class | Uncapped | Capped | Next | Dates | Accrued | /Deferred | Recovered | Forward | /Basis Risk | Accrued | Carry Forward | /Basis Risk | Total |
| X-H | 1.00000% | 1.00000% | 1.00000% | 08/01-08/31 | 39,389.29 | - | - | - | - | 39,389.29 | - | - | 39,389.29 |
| Total | 1,523,821.37 | - | - | - | - | 1,523,821.37 | - | - | 1,523,821.37 | ||||
| Grand Total | 4,211,329.95 | - | - | 146.96 | - | 4,211,329.95 | 0.02 | - | 4,211,329.97 | ||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 6 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| DISTRIBUTION INFORMATION - INTEREST SHORTFALL |
| September 17, 2026 |
| Cap Carryover / | ||||||||||||||
| Non-Recov Shortfall | Carry Forward Interest | Basis Risk Shortfall | ||||||||||||
| Other | ||||||||||||||
| Class | PPIS | SSRA | Shortfall | Prior | Int. on Prior | New | Paid | Outstanding | Prior | Int. on Prior | New | Paid | Outstanding | |
| A-1 | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| A-2 | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| A-4A1 | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| A-4A2 | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| A-5 | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| A-AB | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| A-S | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| B | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| C | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| COMB_VRR | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| D | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| E | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| F | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| G | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| H | - | - | - | 76,447.14 | 146.96 | - | 0.02 | 76,594.08 | - | - | - | - | - | |
| R | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| S | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Spear 360-A | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Spear 360-B | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Spear 360-C | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Spear 360-D | - | - | - | 0.42 | - | - | - | 0.42 | - | - | - | - | - | |
| Spear 360-V | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Total | - | - | - | 76,447.56 | 146.96 | - | 0.02 | 76,594.50 | - | - | - | - | - | |
| Notional | ||||||||||||||
| X-A | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| X-B | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| X-D | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| X-F | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| X-G | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 7 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL |
| September 17, 2026 |
| Cap Carryover / | ||||||||||||||
| Non-Recov Shortfall | Carry Forward Interest | Basis Risk Shortfall | ||||||||||||
| Other | ||||||||||||||
| Class | PPIS | SSRA | Shortfall | Prior | Int. on Prior | New | Paid | Outstanding | Prior | Int. on Prior | New | Paid | Outstanding | |
| X-H | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Total | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Grand Total | - | - | - | 76,447.56 | 146.96 | - | 0.02 | 76,594.50 | - | - | - | - | - | |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 8 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| DISTRIBUTION INFORMATION - PRINCIPAL DETAIL |
| September 17, 2026 |
| Accretion | |||||||||||
| & | |||||||||||
| Non-Cash | |||||||||||
| Balance | Cumulative | ||||||||||
| Prior | Principal | Accreted | Realized Loss | Increase/ | Current | Realized | Class % | Class % | Sub % | Sub % | |
| Class | Balance | Distributed | Principal | /(Recovery) | (Decrease) | Balance | Loss | Original | Current | Original | Current |
| A-1 | - | - | - | - | - | - | - | 1.34% | 0.00% | 30.00% | 31.02% |
| A-2 | 131,373,563.82 | 48.96 | - | - | - | 131,373,514.86 | - | 9.79% | 8.56% | 30.00% | 31.02% |
| A-4A1 | 200,000,000.00 | - | - | - | - | 200,000,000.00 | - | 12.61% | 13.03% | 30.00% | 31.02% |
| A-4A2 | 200,000,000.00 | - | - | - | - | 200,000,000.00 | - | 12.61% | 13.03% | 30.00% | 31.02% |
| A-5 | 421,699,000.00 | - | - | - | - | 421,699,000.00 | - | 26.59% | 27.47% | 30.00% | 31.02% |
| A-AB | 17,356,685.93 | 358,585.95 | - | - | - | 16,998,099.98 | - | 1.26% | 1.11% | 30.00% | 31.02% |
| A-S | 163,615,000.00 | - | - | - | - | 163,615,000.00 | - | 10.32% | 10.66% | 18.75% | 19.39% |
| B | 59,992,000.00 | - | - | - | - | 59,992,000.00 | - | 3.78% | 3.91% | 14.63% | 15.12% |
| C | 45,449,000.00 | - | - | - | - | 45,449,000.00 | - | 2.87% | 2.96% | 11.50% | 11.89% |
| COMB_VRR | 74,038,757.93 | 18,875.52 | - | - | - | 74,019,882.41 | - | 4.83% | 4.82% | 0.00% | 0.00% |
| D | 50,902,000.00 | - | - | - | - | 50,902,000.00 | - | 3.21% | 3.32% | 8.00% | 8.27% |
| E | 21,816,000.00 | - | - | - | - | 21,816,000.00 | - | 1.38% | 1.42% | 6.50% | 6.72% |
| F | 32,723,000.00 | - | - | - | - | 32,723,000.00 | - | 2.06% | 2.13% | 4.25% | 4.39% |
| G | 14,543,000.00 | - | - | - | - | 14,543,000.00 | - | 0.92% | 0.95% | 3.25% | 3.36% |
| H | 47,267,145.00 | - | - | - | - | 47,267,145.00 | - | 2.98% | 3.08% | 0.00% | 0.00% |
| R | - | - | - | - | - | - | - | 0.00% | 0.00% | 0.00% | 0.00% |
| S | - | - | - | - | - | - | - | 0.00% | 0.00% | 0.00% | 0.00% |
| Spear 360-A | 12,350,000.00 | - | - | - | - | 12,350,000.00 | - | 0.78% | 0.80% | 77.55% | 77.55% |
| Spear 360-B | 16,387,000.00 | - | - | - | - | 16,387,000.00 | - | 1.03% | 1.07% | 47.75% | 47.75% |
| Spear 360-C | 16,388,000.00 | - | - | - | - | 16,388,000.00 | - | 1.03% | 1.07% | 17.95% | 17.95% |
| Spear 360-D | 7,125,000.00 | - | - | - | - | 7,125,000.00 | - | 0.45% | 0.46% | 5.00% | 5.00% |
| Spear 360-V | 2,750,000.00 | - | - | - | - | 2,750,000.00 | - | 0.17% | 0.18% | 0.00% | 0.00% |
| Total | 1,535,775,153 | 377,510.43 | - | - | - | 1,535,397,642 | - | 100.01% | 100.00% | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 9 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| RECONCILIATION DETAIL |
| September 17, 2026 |
| SOURCE OF FUNDS | ALLOCATION OF FUNDS | ||||
| Interest Funds Available | Scheduled Fees | ||||
| Scheduled Interest | 4,227,428.41 | Servicing Fee | 6,710.00 | ||
| Prepayment Interest Excess | - | Trustee/Certificate Administrator Fee | 7,273.58 | ||
| Prepayment Interest Shortfall | - | Operating Advisor Fee | 1,249.65 | ||
| Interest Adjustments | - | Asset Representations Reviewer Ongoing Fee | 204.02 | ||
| ASER Amount | - | CREFC Intellectual Property Royalty License Fee | 661.19 | ||
| Realized Loss in Excess of Principal Balance | - | ||||
| Total Scheduled Fees | 16,098.44 | ||||
| Total Interest Funds Available | 4,227,428.41 | Additional Fees, Expenses, etc. | |||
| Principal Funds Available | Additional Servicing Fee | - | |||
| Scheduled Principal | 377,510.43 | Special Servicing Fee | - | ||
| Unscheduled Principal Collections | - | Work-out Fee | - | ||
| Net Liquidation Proceeds | - | Liquidation Fee | - | ||
| Repurchased Principal | - | Trust Fund Expenses | - | ||
| Substitution Principal | - | Trust Advisor Expenses | - | ||
| Other Principal | - | Reimbursement of Interest on Advances to the Servicer | - | ||
| Borrower Reimbursable Trust Fund Expenses | - | ||||
| Total Principal Funds Available | 377,510.43 | ||||
| Other Expenses | - | ||||
| Other Funds Available | |||||
| Yield Maintenance Charges | - | Total Additional Fees, Expenses, etc. | - | ||
| Withdrawal of Withheld Amounts from the Interest Reserve | Distributions | ||||
| Account | - | ||||
| Interest Distribution | 4,211,329.97 | ||||
| Deposit of Withheld Amounts to the Interest Reserve Account | - | ||||
| Principal Distribution | 377,510.43 | ||||
| Total Other Funds Available | - | Yield Maintenance Charge Distribution | - | ||
| Total Distributions | 4,588,840.40 | ||||
| Total Funds Available | 4,604,938.84 | ||||
| Total Funds Allocated | 4,604,938.84 | ||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 10 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| OTHER INFORMATION |
| September 17, 2026 |
| Other Information | |
| Monthly Debt Service Payment Advance | 0.00 |
| Has a Consultation Period Commenced? | N |
| Has a CCR Consultation Period Commenced? | N |
| Has a Control Period Terminated? | N |
| Has a Consultation Period Terminated? | N |
| Collateral Information | |
| % of Cut-Off Principal Balance Outstanding | 96.815530% |
| Controlling Class Information | |
| The Controlling Class Representative is LD II Holdco XV, LLC | |
| There Are No Disclosable Special Servicer Fees. | |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 11 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| STRATIFICATION DETAIL |
| September 17, 2026 |
| Anticipated Remaining Term | ||||||
| Anticipated Remaining | Asset | Ending Scheduled | % of | Wtd Avg | ||
| Term Range | Count | Balance | Agg.Bal. WAC | WAM | DSCR | |
| 60 Months or Less | 60 | 1,535,397,642.25 | 100.00 | 3.1965 | 48 | 3.676245 |
| 61 to 90 Months | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 91 Months or Greater | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Total | 60 | 1,535,397,642.25 | 100.00 | 3.1965 | 48 | 3.676245 |
| Debt Service Coverage Ratio | ||||||
| Debt Service Coverage | Asset | Ending Scheduled | % of | Wtd Avg | ||
| Ratio Range | Count | Balance | Agg.Bal. WAC | WAM | DSCR | |
| 1.250 or Less | 4 | 40,065,794.47 | 2.61 | 3.7670 | 52 | 0.136893 |
| 1.251 to 1.500 | 2 | 37,742,164.10 | 2.46 | 3.2585 | 5 | 1.282895 |
| 1.501 to 1.750 | 4 | 34,814,580.20 | 2.27 | 3.9194 | 51 | 1.644044 |
| 1.751 to 2.000 | 7 | 163,738,660.06 | 10.66 | 3.4001 | 52 | 1.878508 |
| 2.001 to 2.250 | 7 | 136,597,546.98 | 8.90 | 2.6078 | 52 | 2.204287 |
| 2.251 to 2.500 | 1 | 14,728,485.67 | 0.96 | 3.3190 | 52 | 2.430000 |
| 2.501 to 2.750 | 4 | 100,061,102.20 | 6.52 | 3.4012 | 52 | 2.661293 |
| 2.751 to 3.000 | 3 | 22,595,300.39 | 1.47 | 3.6968 | 53 | 2.834487 |
| 3.001 to 3.250 | 6 | 185,367,144.68 | 12.07 | 3.2175 | 49 | 3.098151 |
| 3.251 to 3.500 | 3 | 156,450,737.03 | 10.19 | 3.1696 | 36 | 3.463448 |
| 3.501 to 3.750 | 3 | 89,770,000.00 | 5.85 | 3.2611 | 52 | 3.619870 |
| 3.751 to 4.000 | 1 | 9,350,000.00 | 0.61 | 3.2000 | 52 | 3.940000 |
| 4.001 or Greater | 15 | 544,116,126.47 | 35.44 | 3.1187 | 49 | 5.661650 |
| Total | 60 | 1,535,397,642.25 | 100.00 | 3.1965 | 48 | 3.676245 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 12 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| STRATIFICATION DETAIL |
| September 17, 2026 |
| Ending Schedule Balance | ||||||
| Ending Schedule Balance | Asset | Ending Scheduled | % of | Wtd Avg | ||
| Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| 1 to 5,000,000 | 5 | 18,860,749.43 | 1.23 | 3.5337 | 52 | 2.640882 |
| 10,000,001 to 15,000,000 | 10 | 129,003,011.66 | 8.40 | 3.4534 | 52 | 2.072019 |
| 15,000,001 to 20,000,000 | 8 | 147,882,144.68 | 9.63 | 3.2374 | 49 | 3.638236 |
| 20,000,001 to 25,000,000 | 1 | 20,705,467.50 | 1.35 | 2.7681 | 52 | 4.850000 |
| 25,000,001 to 30,000,000 | 3 | 87,500,000.00 | 5.70 | 2.8392 | 48 | 3.126286 |
| 30,000,001 to 35,000,000 | 5 | 167,915,100.00 | 10.94 | 3.1214 | 39 | 5.597633 |
| 35,000,001 to 40,000,000 | 2 | 73,408,383.38 | 4.78 | 3.4389 | 52 | 2.417691 |
| 40,000,001 to 45,000,000 | 2 | 84,500,000.00 | 5.50 | 2.9230 | 52 | 4.182154 |
| 45,000,001 to 50,000,000 | 2 | 95,106,191.57 | 6.19 | 2.8838 | 52 | 2.793354 |
| 5,000,001 to 10,000,000 | 13 | 91,420,646.27 | 5.95 | 3.7114 | 51 | 2.208116 |
| 50,000,001 to 55,000,000 | 1 | 55,000,000.00 | 3.58 | 2.7681 | 52 | 4.850000 |
| 55,000,001 to 60,000,000 | 2 | 118,075,000.00 | 7.69 | 3.4680 | 46 | 4.992856 |
| 60,000,001 to 65,000,000 | 2 | 125,816,402.30 | 8.19 | 3.0424 | 52 | 3.741218 |
| 65,000,001 to 70,000,000 | 1 | 66,000,000.00 | 4.30 | 3.2690 | 53 | 3.590000 |
| 70,000,001 to 75,000,000 | 2 | 150,000,000.00 | 9.77 | 3.3197 | 52 | 3.670000 |
| 75,000,001 to 80,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 80,000,001 to 85,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 85,000,000+ | 1 | 104,204,545.46 | 6.79 | 3.0320 | 28 | 3.480000 |
| Total | 60 | 1,535,397,642.25 | 100.00 | 3.1965 | 48 | 3.676245 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 13 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| STRATIFICATION DETAIL |
| September 17, 2026 |
| Loan Rate | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| Loan Rate Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| 4.00 or Less | 59 | 1,528,225,412.13 | 99.53 | 3.1893 | 48 | 3.685848 |
| 4.01 to 4.25 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 4.26 to 4.50 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 4.51 to 4.75 | 1 | 7,172,230.12 | 0.47 | 4.7470 | 52 | 1.630000 |
| 4.76 to 5.00 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 5.01 to 5.25 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 5.26 to 5.50 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 5.51 to 5.75 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 5.76 to 6.00 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 6.01 to 6.25 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 6.26 to 6.50 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 6.51 to 6.75 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 6.76 to 7.00 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 7.01 or Greater | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Total | 60 | 1,535,397,642.25 | 100.00 | 3.1965 | 48 | 3.676245 |
| Property Type | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| Property Type Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| Industrial | 10 | 179,864,888.03 | 11.71 | 3.3659 | 51 | 2.776339 |
| Lodging | 5 | 136,639,374.80 | 8.90 | 3.5476 | 42 | 4.230554 |
| Mixed Use | 11 | 357,764,517.92 | 23.30 | 2.9335 | 51 | 3.786862 |
| Multifamily | 4 | 46,955,000.00 | 3.06 | 3.7388 | 52 | 2.061247 |
| Office | 18 | 674,234,721.30 | 43.91 | 3.1182 | 45 | 3.260781 |
| Other | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Retail | 5 | 97,190,400.39 | 6.33 | 3.4336 | 52 | 8.462748 |
| Self Storage | 7 | 42,748,739.81 | 2.78 | 3.6635 | 52 | 2.209460 |
| Total | 60 | 1,535,397,642.25 | 100.00 | 3.1965 | 48 | 3.676245 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 14 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| STRATIFICATION DETAIL |
| September 17, 2026 |
| Remaining Amortization Term | ||||||
| Remaining Amortization | Asset | Ending Scheduled | % of | Wtd Avg | ||
| Term Range | Count | Balance | Agg.Bal. | WAC | WAM | DSCR |
| 240 Months or Less | 38 | 1,164,999,645.46 | 75.88 | 3.1825 | 47 | 3.792493 |
| 241 to 270 Months | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 271 to 300 Months | 22 | 370,397,996.79 | 24.12 | 3.2406 | 51 | 3.310614 |
| 301 Months or Greater | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Total | 60 | 1,535,397,642.25 | 100.00 | 3.1965 | 48 | 3.676245 |
| Seasoning | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| Seasoning Range | Count | Balance | Agg.Bal. | WAC | WAM | DSCR |
| 12 Months or Less | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 13 to 24 Months | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 25 to 36 Months | 1 | 104,204,545.46 | 6.79 | 3.0320 | 28 | 3.480000 |
| 37 to 48 Months | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 49 Months or Greater | 59 | 1,431,193,096.79 | 93.21 | 3.2085 | 49 | 3.690533 |
| Total | 60 | 1,535,397,642.25 | 100.00 | 3.1965 | 48 | 3.676245 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 15 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| STRATIFICATION DETAIL |
| September 17, 2026 |
| State | ||||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||||
| State Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||||
| California | 8 | 204,971,026.47 | 13.35 | 2.7444 | 52 | 4.922832 | ||
| Florida | 5 | 146,421,191.57 | 9.54 | 3.3846 | 52 | 2.623472 | ||
| Idaho | 2 | 53,445,000.00 | 3.48 | 3.4528 | 52 | 12.087701 | ||
| Illinois | 3 | 55,289,125.18 | 3.60 | 3.5827 | 52 | 2.257883 | ||
| Indiana | 1 | 8,392,350.08 | 0.55 | 3.3970 | 48 | 1.640000 | ||
| Louisiana | 1 | 6,492,451.76 | 0.42 | 3.4100 | 52 | 0.040000 | ||
| Michigan | 2 | 10,156,682.02 | 0.66 | 3.8245 | 53 | 0.302999 | ||
| Minnesota | 1 | 14,000,000.00 | 0.91 | 3.9100 | 52 | 0.830000 | ||
| Missouri | 1 | 19,825,000.00 | 1.29 | 2.9800 | 52 | 4.270000 | ||
| N/A | 6 | 161,967,124.45 | 10.55 | 3.4604 | 36 | 3.043565 | ||
| New Jersey | 1 | 11,632,637.81 | 0.76 | 3.1320 | 52 | 1.830000 | ||
| New York | 13 | 283,950,000.00 | 18.49 | 2.8823 | 51 | 2.442608 | ||
| North Carolina | 1 | 5,720,054.93 | 0.37 | 3.6150 | 52 | 2.180000 | ||
| Oregon | 1 | 75,000,000.00 | 4.88 | 3.2994 | 52 | 5.370000 | ||
| Pennsylvania | 3 | 55,100,000.00 | 3.59 | 3.5556 | 52 | 3.060200 | ||
| Tennessee | 3 | 56,900,715.79 | 3.71 | 3.3883 | 45 | 3.651640 | ||
| Texas | 2 | 85,467,144.68 | 5.57 | 3.3899 | 50 | 3.469280 | ||
| Utah | 1 | 58,700,000.00 | 3.82 | 3.3770 | 51 | 5.370000 | ||
| Virginia | 1 | 18,070,000.00 | 1.18 | 3.1600 | 52 | 3.710000 | ||
| Washington | 2 | 136,819,645.46 | 8.91 | 3.0916 | 33 | 3.742218 | ||
| West Virginia | 1 | 3,377,492.05 | 0.22 | 3.8100 | 52 | 2.200000 | ||
| Wisconsin | 1 | 63,700,000.00 | 4.15 | 3.3100 | 52 | 2.660000 | ||
| Total | 60 | 1,535,397,642.25 | 100.00 | 3.1965 | 48 | 3.676245 | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 16 of 36 | © Copyright 2026 Citigroup | |||||
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| MORTGAGE LOAN DETAIL |
| September 17, 2026 |
| Prop | Paid | Beginning | Ending | Payment Workout Mod | ||||||||||
| Type | Through | Gross | Interest | Principal | Scheduled | Scheduled | Maturity | Status | Strategy Code | |||||
| Loan ID | OMCR | (1) | City | State | Date | Coupon | Payment | Payment | Balance | Balance | Date | (2) | (3) | (4) |
| 30506677 | 10A2 | MU | Farmington | UT | 09/05/2026 | 3.37700% | 170,697.97 | - | 58,700,000.00 | 58,700,000.00 | 12/05/2030 | 0 | 0 | 0 |
| 30506755 | 11 | OF | Saint Petersburg | FL | 09/06/2026 | 3.42000% | 133,067.78 | 78,112.91 | 45,184,304.48 | 45,106,191.57 | 02/06/2031 | 0 | 0 | 8 |
| 30506694 | 12 | OF | Wyomissing | PA | 09/06/2026 | 3.50000% | 129,295.83 | - | 42,900,000.00 | 42,900,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506727 | 13A | MU | Palo Alto | CA | 09/06/2026 | 2.32789% | 83,390.01 | - | 41,600,000.00 | 41,600,000.00 | 10/06/2037 | 0 | 0 | 0 |
| 30506685 | 14A2 | OF | 09/01/2026 | 3.39200% | 110,919.82 | 66,295.28 | 37,974,678.66 | 37,908,383.38 | 01/01/2031 | 0 | 0 | 0 | ||
| 30506701 | 15 | IN | Chicago | IL | 09/01/2026 | 3.48900% | 106,656.79 | - | 35,500,000.00 | 35,500,000.00 | 01/01/2031 | 0 | 0 | 0 |
| 30530087 | 16A1 | LO | Nashville | TN | 09/04/2026 | 3.13900% | 94,605.97 | - | 35,000,000.00 | 35,000,000.00 | 03/06/2030 | 0 | 0 | 0 |
| 30506775 | 17A1 | RT | Meridian | ID | 09/05/2026 | 3.49900% | 105,455.97 | - | 35,000,000.00 | 35,000,000.00 | 02/05/2031 | 0 | 0 | 0 |
| 30530114 | 18A5 | OF | 09/04/2026 | 3.22200% | 94,610.45 | - | 34,100,000.00 | 34,100,000.00 | 04/04/2025 | 4 | 1 | 8 | ||
| 30506605 | 19 | RT | Silverdale | WA | 09/05/2026 | 3.28200% | 92,175.71 | - | 32,615,100.00 | 32,615,100.00 | 01/05/2031 | 0 | 0 | 0 |
| 30506696 | 1A1 | MU | New York | NY | 09/06/2026 | 2.40000% | 103,333.33 | - | 50,000,000.00 | 50,000,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506741 | 1A4 | MU | New York | NY | 09/06/2026 | 2.40000% | 41,333.33 | - | 20,000,000.00 | 20,000,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506742 | 1A5 | MU | New York | NY | 09/06/2026 | 2.40000% | 30,586.67 | - | 14,800,000.00 | 14,800,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506781 | 22 | MU | Brooklyn | NY | 09/06/2026 | 3.40000% | 58,409.17 | - | 19,950,000.00 | 19,950,000.00 | 02/06/2031 | 0 | 0 | 0 |
| 30506693 | 23 | IN | Mexico | MO | 09/06/2026 | 2.98000% | 50,873.15 | - | 19,825,000.00 | 19,825,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506721 | 24 | RT | Nampa | ID | 09/05/2026 | 3.36500% | 53,446.95 | - | 18,445,000.00 | 18,445,000.00 | 01/05/2031 | 0 | 0 | 0 |
| 30506698 | 26 | OF | Richmond | VA | 09/06/2026 | 3.16000% | 49,170.48 | - | 18,070,000.00 | 18,070,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506777 | 27 | OF | New York | NY | 09/06/2026 | 3.34000% | 47,455.83 | - | 16,500,000.00 | 16,500,000.00 | 02/06/2031 | 0 | 0 | 0 |
| 30530112 | 28 | IN | Murfreesboro | TN | 09/04/2026 | 3.31900% | 42,164.94 | 24,673.16 | 14,753,158.83 | 14,728,485.67 | 01/06/2031 | 0 | 0 | 0 |
| 30506697 | 29 | IN | Melrose Park | IL | 09/06/2026 | 3.70000% | 41,689.62 | 25,971.98 | 13,084,796.77 | 13,058,824.79 | 01/06/2031 | 0 | 0 | 0 |
| 30530111 | 2A1 | OF | Redmond | WA | 09/04/2026 | 3.03200% | 272,066.49 | - | 104,204,545.46 | 104,204,545.46 | 01/06/2029 | 0 | 8 | 8 |
| 30506725 | 30 | MF | Minneapolis | MN | 09/06/2026 | 3.91000% | 47,137.22 | - | 14,000,000.00 | 14,000,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506726 | 31 | MF | New York | NY | 09/06/2026 | 3.81000% | 43,471.04 | - | 13,250,000.00 | 13,250,000.00 | 01/06/2031 | 0 | 0 | 0 |
| Robbinsville | ||||||||||||||
| 30506688 | 32 | OF | NJ | 09/01/2026 | 3.13200% | 31,441.64 | 25,368.58 | 11,658,006.39 | 11,632,637.81 | 01/01/2031 | 0 | 0 | 0 | |
| Township | ||||||||||||||
| 30319206 | 33 | MF | Kissimmee | FL | 09/06/2026 | 3.55400% | 38,453.79 | - | 12,565,000.00 | 12,565,000.00 | 02/06/2031 | 0 | 0 | 0 |
| 30506785 | 34 | MU | Brooklyn | NY | 09/06/2026 | 3.85000% | 41,440.97 | - | 12,500,000.00 | 12,500,000.00 | 02/06/2031 | 0 | 0 | 0 |
| 30530109 | 35 | IN | San Diego | CA | 09/04/2026 | 3.10600% | 29,399.54 | 24,018.25 | 10,992,081.64 | 10,968,063.39 | 01/06/2031 | 0 | 0 | 0 |
| 30506782 | 36 | OF | Cambria Heights | NY | 09/06/2026 | 3.85000% | 38,125.69 | - | 11,500,000.00 | 11,500,000.00 | 02/06/2031 | 0 | 0 | 0 |
| 30506724 | 37 | SS | 09/06/2026 | 3.61000% | 30,861.76 | 16,725.63 | 9,927,827.83 | 9,911,102.20 | 01/06/2031 | 0 | 0 | 0 | ||
| 30506722 | 38 | OF | Hollywood | FL | 09/06/2026 | 3.20000% | 25,764.44 | - | 9,350,000.00 | 9,350,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30530113 | 39 | IN | Bloomington | IN | 09/04/2026 | 3.39700% | 24,587.56 | 13,094.21 | 8,405,444.29 | 8,392,350.08 | 09/06/2030 | 0 | 0 | 0 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 17 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| MORTGAGE LOAN DETAIL |
| September 17, 2026 |
| Prop | Paid | Beginning | Ending | Payment Workout Mod | ||||||||||
| Type | Through | Gross | Interest | Principal | Scheduled | Scheduled | Maturity | Status | Strategy Code | |||||
| Loan ID | OMCR | (1) | City | State | Date | Coupon | Payment | Payment | Balance | Balance | Date | (2) | (3) | (4) |
| 30319197 | 3A1 | OF | San Francisco | CA | 09/06/2026 | 2.76806% | 148,061.24 | - | 62,116,402.30 | 62,116,402.30 | 01/06/2031 | 0 | 0 | 0 |
| 30319198 | 3A2 | OF | San Francisco | CA | 09/06/2026 | 2.76806% | 49,353.75 | - | 20,705,467.50 | 20,705,467.50 | 01/06/2031 | 0 | 0 | 0 |
| 30319199 | 3A3 | OF | San Francisco | CA | 09/06/2026 | 2.76806% | 9,870.75 | - | 4,141,093.28 | 4,141,093.28 | 01/06/2031 | 0 | 0 | 0 |
| 30319200 | 3B | OF | San Francisco | CA | 09/06/2026 | 2.76806% | 131,098.52 | - | 55,000,000.00 | 55,000,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506723 | 40 | LO | Memphis | TN | 09/01/2026 | 4.74700% | 29,366.56 | 11,907.52 | 7,184,137.64 | 7,172,230.12 | 01/01/2031 | 0 | 0 | 0 |
| 30506713 | 41 | MF | Modesto | CA | 09/04/2026 | 3.59600% | 22,109.41 | - | 7,140,000.00 | 7,140,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506706 | 42 | SS | New Orleans | LA | 09/06/2026 | 3.41000% | 19,097.59 | 11,316.65 | 6,503,768.41 | 6,492,451.76 | 01/06/2031 | 0 | 0 | 0 |
| 30506751 | 43 | RT | Schaumburg | IL | 09/06/2026 | 3.84900% | 22,338.63 | 9,536.45 | 6,739,836.84 | 6,730,300.39 | 02/06/2031 | 0 | 0 | 0 |
| 30506711 | 44 | IN | Hawthorne | NY | 09/06/2026 | 3.81800% | 22,192.13 | - | 6,750,000.00 | 6,750,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30319207 | 45 | MU | Detroit | MI | 09/06/2026 | 3.95000% | 22,191.07 | 9,602.92 | 6,524,120.84 | 6,514,517.92 | 02/06/2031 | 0 | 0 | 0 |
| 30506745 | 46 | SS | Bristol | PA | 09/06/2026 | 3.98000% | 22,276.94 | - | 6,500,000.00 | 6,500,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506730 | 47 | SS | Knightdale | NC | 09/06/2026 | 3.61500% | 17,841.97 | 11,537.05 | 5,731,591.98 | 5,720,054.93 | 01/06/2031 | 0 | 0 | 0 |
| 30506684 | 48 | SS | Mechanicsburg | PA | 09/06/2026 | 3.49000% | 17,130.08 | - | 5,700,000.00 | 5,700,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506753 | 49 | SS | 09/06/2026 | 3.84000% | 16,714.55 | 7,165.55 | 5,054,804.42 | 5,047,638.87 | 02/06/2031 | 0 | 0 | 0 | ||
| 30530115 | 4A1 | OF | West Palm Beach | FL | 09/06/2026 | 3.34003% | 215,709.95 | - | 75,000,000.00 | 75,000,000.00 | 02/06/2031 | 0 | 0 | 0 |
| 30506695 | 50 | RT | Bradenton | FL | 09/06/2026 | 3.69000% | 13,981.00 | - | 4,400,000.00 | 4,400,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30506748 | 51 | IN | Troy | MI | 09/06/2026 | 3.60000% | 11,313.42 | 7,327.04 | 3,649,491.14 | 3,642,164.10 | 02/06/2031 | 0 | 0 | 0 |
| Lewisburg and White | ||||||||||||||
| 30506746 | 52 | SS | WV | 09/06/2026 | 3.81000% | 11,098.91 | 5,462.79 | 3,382,954.84 | 3,377,492.05 | 01/06/2031 | 0 | 0 | 0 | |
| Sulphur Springs | ||||||||||||||
| Rancho Santa | ||||||||||||||
| 30506749 | 53 | IN | CA | 09/06/2026 | 3.93000% | 11,167.75 | - | 3,300,000.00 | 3,300,000.00 | 02/06/2031 | 0 | 0 | 0 | |
| Margarita | ||||||||||||||
| 30506739 | 6A1 | MU | Portland | OR | 09/01/2026 | 3.29940% | 213,086.51 | - | 75,000,000.00 | 75,000,000.00 | 01/01/2031 | 0 | 0 | 0 |
| 30530189 | 7 | OF | The Woodlands | TX | 09/04/2026 | 3.26900% | 185,788.17 | - | 66,000,000.00 | 66,000,000.00 | 02/06/2031 | 0 | 0 | 0 |
| 30506744 | 8 | IN | Menomonee Falls | WI | 09/06/2026 | 3.31000% | 181,562.69 | - | 63,700,000.00 | 63,700,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30319205 | A-1-3 | MU | New York | NY | 09/06/2026 | 3.16000% | 74,830.56 | - | 27,500,000.00 | 27,500,000.00 | 03/06/2030 | 0 | 0 | 0 |
| 30319201 | A13-8 | LO | 09/05/2026 | 3.55800% | 181,915.10 | - | 59,375,000.00 | 59,375,000.00 | 03/05/2032 | 0 | 0 | 0 | ||
| 30319202 | A15-8 | LO | 09/05/2026 | 3.55800% | 47,872.40 | - | 15,625,000.00 | 15,625,000.00 | 03/05/2032 | 0 | 0 | 0 | ||
| 30506758 | A2/A3 | MU | New York | NY | 09/06/2026 | 2.40000% | 64,480.00 | - | 31,200,000.00 | 31,200,000.00 | 01/06/2031 | 0 | 0 | 0 |
| 30505245 | A-2-1 | LO | Houston | TX | 09/06/2026 | 3.80000% | 63,797.01 | 29,394.46 | 19,496,539.14 | 19,467,144.68 | 03/06/2030 | 0 | 0 | 0 |
| 30319203 | A-2-4 | OF | New York | NY | 09/06/2026 | 2.69210% | 69,545.92 | - | 30,000,000.00 | 30,000,000.00 | 12/06/2030 | 0 | 0 | 0 |
| 30506584 | A-4-3 | OF | New York | NY | 09/06/2026 | 2.69210% | 69,545.92 | - | 30,000,000.00 | 30,000,000.00 | 12/06/2030 | 0 | 0 | 0 |
| Total | Count = 60 | 4,227,428.41 | 377,510.43 | 1,535,775,152.68 | 1,535,397,642.25 | |||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 18 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| NOI DETAIL |
| September 17, 2026 | |
| Most Recent | Most Recent |
| Property | Ending | Preceding | Most | ||||||
| Type | Scheduled | Fiscal | Recent | Financial As of | Financial Asof | ||||
| Loan ID | OMCR | (1) | City | State | Balance | Year NOI | NOI | Start Date | End Date |
| 30506677 | 10A2 | MU | Farmington | UT | 58,700,000.00 | 22,672,078.41 | 5,616,216.24 | 01/01/2026 | 03/31/2026 |
| 30506755 | 11 | OF | Saint Petersburg | FL | 45,106,191.57 | 5,767,987.00 | 9,100,708.04 | 01/01/2026 | 06/30/2026 |
| 30506694 | 12 | OF | Wyomissing | PA | 42,900,000.00 | 4,335,074.55 | 4,812,927.12 | 01/01/2026 | 06/30/2026 |
| 30506727 | 13A | MU | Palo Alto | CA | 41,600,000.00 | 5,168,156.37 | 5,320,061.99 | 01/01/2026 | 06/30/2026 |
| 30506685 | 14A2 | OF | 37,908,383.38 | 8,846,382.30 | 9,700,364.13 | 01/01/2026 | 06/30/2026 | ||
| 30506701 | 15 | IN | Chicago | IL | 35,500,000.00 | 3,884,069.72 | 3,926,559.90 | 01/01/2026 | 06/30/2026 |
| 30530087 | 16A1 | LO | Nashville | TN | 35,000,000.00 | 32,527,873.18 | 31,516,974.64 | 01/01/2026 | 06/30/2026 |
| 30506775 | 17A1 | RT | Meridian | ID | 35,000,000.00 | 18,915,272.85 | 18,916,728.06 | 01/01/2026 | 06/30/2026 |
| 30530114 | 18A5 | OF | 34,100,000.00 | 24,583,299.11 | 20,655,056.86 | 01/01/2026 | 06/30/2026 | ||
| 30506605 | 19 | RT | Silverdale | WA | 32,615,100.00 | 4,926,324.08 | 5,115,759.30 | 01/01/2026 | 06/30/2026 |
| 30506696 | 1A1 | MU | New York | NY | 50,000,000.00 | 13,227,654.76 | 1,809,044.98 | 01/01/2026 | 03/31/2026 |
| 30506741 | 1A4 | MU | New York | NY | 20,000,000.00 | 13,227,654.76 | 1,809,044.98 | 01/01/2026 | 03/31/2026 |
| 30506742 | 1A5 | MU | New York | NY | 14,800,000.00 | 13,227,654.76 | 1,809,044.98 | 01/01/2026 | 03/31/2026 |
| 30506781 | 22 | MU | Brooklyn | NY | 19,950,000.00 | 1,777,504.22 | 472,895.58 | 01/01/2026 | 03/31/2026 |
| 30506693 | 23 | IN | Mexico | MO | 19,825,000.00 | 2,782,518.40 | 2,782,518.40 | Not Available | Not Available |
| 30506721 | 24 | RT | Nampa | ID | 18,445,000.00 | 4,381,539.11 | 4,573,330.95 | Not Available | Not Available |
| 30506698 | 26 | OF | Richmond | VA | 18,070,000.00 | 2,525,200.19 | 2,355,211.77 | 01/01/2026 | 06/30/2026 |
| 30506777 | 27 | OF | New York | NY | 16,500,000.00 | 1,004,121.29 | 1,004,121.29 | Not Available | Not Available |
| 30530112 | 28 | IN | Murfreesboro | TN | 14,728,485.67 | 1,842,492.77 | 2,031,618.40 | 01/01/2026 | 06/30/2026 |
| 30506697 | 29 | IN | Melrose Park | IL | 13,058,824.79 | (49,588.54) | (28,843.44) | 01/01/2026 | 03/31/2026 |
| 30530111 | 2A1 | OF | Redmond | WA | 104,204,545.46 | 13,013,808.01 | 3,485,934.94 | 01/01/2026 | 03/31/2026 |
| 30506725 | 30 | MF | Minneapolis | MN | 14,000,000.00 | 476,398.25 | 476,398.25 | Not Available | Not Available |
| 30506726 | 31 | MF | New York | NY | 13,250,000.00 | 968,599.08 | 975,175.02 | Not Available | Not Available |
| 30506688 | 32 | OF | Robbinsville Township | NJ | 11,632,637.81 | 1,142,399.61 | 1,257,869.74 | 01/01/2026 | 06/30/2026 |
| 30319206 | 33 | MF | Kissimmee | FL | 12,565,000.00 | 1,640,325.11 | 1,375,258.30 | 01/01/2026 | 06/30/2026 |
| 30506785 | 34 | MU | Brooklyn | NY | 12,500,000.00 | 1,185,489.53 | 832,245.26 | Not Available | Not Available |
| 30530109 | 35 | IN | San Diego | CA | 10,968,063.39 | 3,820,799.08 | 3,865,594.29 | Not Available | Not Available |
| 30506782 | 36 | OF | Cambria Heights | NY | 11,500,000.00 | 1,009,106.39 | 1,009,106.39 | Not Available | Not Available |
| 30506724 | 37 | SS | 9,911,102.20 | 1,373,494.77 | 695,336.80 | 07/01/2025 | 06/30/2026 | ||
| 30506722 | 38 | OF | Hollywood | FL | 9,350,000.00 | 1,293,607.18 | 1,293,607.18 | Not Available | Not Available |
| 30530113 | 39 | IN | Bloomington | IN | 8,392,350.08 | 713,435.94 | 716,180.58 | 01/01/2026 | 06/30/2026 |
| 30319197 | 3A1 | OF | San Francisco | CA | 62,116,402.30 | 14,285,813.78 | 14,703,945.15 | 07/01/2025 | 06/30/2026 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 19 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| NOI DETAIL |
| September 17, 2026 |
| Property | Ending | Preceding | Most | Most Recent | Most Recent | ||||
| Type | Scheduled | Fiscal | Recent | Financial As of | Financial Asof | ||||
| Loan ID | OMCR | (1) | City | State | Balance | Year NOI | NOI | Start Date | End Date |
| 30319198 | 3A2 | OF | San Francisco | CA | 20,705,467.50 | 14,285,813.78 | 14,703,945.15 | 07/01/2025 | 06/30/2026 |
| 30319199 | 3A3 | OF | San Francisco | CA | 4,141,093.28 | 14,285,813.78 | 14,703,945.15 | 07/01/2025 | 06/30/2026 |
| 30319200 | 3B | OF | San Francisco | CA | 55,000,000.00 | 14,285,813.78 | 14,703,945.15 | 07/01/2025 | 06/30/2026 |
| 30506723 | 40 | LO | Memphis | TN | 7,172,230.12 | 979,260.40 | 979,260.40 | Not Available | Not Available |
| 30506713 | 41 | MF | Modesto | CA | 7,140,000.00 | 904,495.01 | 904,495.01 | Not Available | Not Available |
| 30506706 | 42 | SS | New Orleans | LA | 6,492,451.76 | 86,905.63 | 34,709.98 | 04/01/2025 | 03/31/2026 |
| 30506751 | 43 | RT | Schaumburg | IL | 6,730,300.39 | 769,378.91 | 769,378.91 | Not Available | Not Available |
| 30506711 | 44 | IN | Hawthorne | NY | 6,750,000.00 | 566,212.09 | 479,507.24 | Not Available | Not Available |
| 30319207 | 45 | MU | Detroit | MI | 6,514,517.92 | 321,125.98 | (87,795.63) | 01/01/2026 | 03/31/2026 |
| 30506745 | 46 | SS | Bristol | PA | 6,500,000.00 | 694,435.31 | 702,179.52 | 01/01/2026 | 06/30/2026 |
| 30506730 | 47 | SS | Knightdale | NC | 5,720,054.93 | 737,867.38 | 774,493.16 | 01/01/2026 | 06/30/2026 |
| 30506684 | 48 | SS | Mechanicsburg | PA | 5,700,000.00 | 729,932.98 | 749,045.59 | 07/01/2025 | 06/30/2026 |
| 30506753 | 49 | SS | 5,047,638.87 | 489,221.58 | 365,339.79 | 01/01/2026 | 06/30/2026 | ||
| 30530115 | 4A1 | OF | West Palm Beach | FL | 75,000,000.00 | 15,654,993.60 | 13,722,542.24 | 01/01/2026 | 06/30/2026 |
| 30506695 | 50 | RT | Bradenton | FL | 4,400,000.00 | 313,208.74 | 313,208.74 | Not Available | Not Available |
| 30506748 | 51 | IN | Troy | MI | 3,642,164.10 | 447,627.02 | 344,389.89 | 01/01/2026 | 06/30/2026 |
| Lewisburg and White Sulphur | |||||||||
| 30506746 | 52 | SS | WV | 3,377,492.05 | 443,123.25 | 443,123.25 | Not Available | Not Available | |
| Springs | |||||||||
| 30506749 | 53 | IN | Rancho Santa Margarita | CA | 3,300,000.00 | 400,564.53 | 94,698.97 | 01/01/2026 | 03/31/2026 |
| 30506739 | 6A1 | MU | Portland | OR | 75,000,000.00 | 23,396,245.28 | 6,528,744.93 | 01/01/2026 | 03/31/2026 |
| 30530189 | 7 | OF | The Woodlands | TX | 66,000,000.00 | 8,248,875.40 | 8,175,563.23 | 01/01/2026 | 06/30/2026 |
| 30506744 | 8 | IN | Menomonee Falls | WI | 63,700,000.00 | 5,780,053.58 | 5,741,451.70 | 07/01/2025 | 06/30/2026 |
| 30319205 | A-1-3 | MU | New York | NY | 27,500,000.00 | 52,929,689.32 | 55,551,818.63 | Not Available | Not Available |
| 30319201 | A13-8 | LO | 59,375,000.00 | 795,164,691.00 | 825,401,890.00 | Not Available | Not Available | ||
| 30319202 | A15-8 | LO | 15,625,000.00 | 795,164,691.00 | 825,401,890.00 | Not Available | Not Available | ||
| 30506758 | A2/A3 | MU | New York | NY | 31,200,000.00 | 13,227,654.76 | 1,809,044.98 | 01/01/2026 | 03/31/2026 |
| 30505245 | A-2-1 | LO | Houston | TX | 19,467,144.68 | 10,639,533.41 | 11,937,088.16 | 01/01/2026 | 06/30/2026 |
| 30319203 | A-2-4 | OF | New York | NY | 30,000,000.00 | 107,237,015.16 | 108,585,188.37 | Not Available | Not Available |
| 30506584 | A-4-3 | OF | New York | NY | 30,000,000.00 | 107,237,015.16 | 108,585,188.37 | Not Available | Not Available |
| Total | Count = 60 | 1,535,397,642.25 | 2,211,917,803.84 | 2,186,404,276.95 | |||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 20 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| DELINQUENCY LOAN DETAIL |
| September 17, 2026 |
| Actual | Paid | Current P&I | Total P&I | Cumulative | Other Expense | Payment Workout | Most Recent | ||||||
| Principal | Through | Advances | Advances | Accrued Unpaid | Advances | Status | Strategy | Special Serv | Foreclosure | Bankruptcy | REO | ||
| Loan ID | OMCR | Balance | Date | (Net of ASER) | Outstanding | Interest Advances | Outstanding | (2) | (3) | Transfer Date | Date | Date | Date |
| No Loans with Delinquency Activity to Report. | |||||||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 21 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL |
| September 17, 2026 |
| Delinquent | |||||||||||||||
| (Does not include loans in Bankruptcy, Foreclosure, or REO) | |||||||||||||||
| 30 Day | 60 Day | 90 Day | 120+ Day | Bankruptcy | Foreclosure | REO | |||||||||
| Distribution | |||||||||||||||
| Date | Count | Balance | Count | Balance | Count | Balance | Count | Balance | Count | Balance | Count | Balance | Count | Balance | |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 09/17/2026 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 08/17/2026 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 07/17/2026 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 06/17/2026 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 05/15/2026 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 04/17/2026 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 03/17/2026 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 1 | 18,300,000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 02/18/2026 | |||||||||||||||
| 1.6% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 01/16/2026 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 12/17/2025 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 11/18/2025 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 10/20/2025 | |||||||||||||||
| 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 22 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| APPRAISAL REDUCTION DETAIL |
| September 17, 2026 |
| Beginning | Ending | Appraisal | Appraisal | Most Recent | Cumulative | |||
| Loan ID | OMCR | Property Name | Scheduled Balance | Scheduled Balance | Reduction Amount | Reduction Date | ASER Amount | ASER Amount |
| 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,673,424.40 | 09/11/2026 | - | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 23 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| HISTORICAL APPRAISAL REDUCTION DETAIL |
| September 17, 2026 |
| Distribution | Beginning | Ending | Appraisal | Appraisal | Most Recent | Cumulative | |||
| Date | Loan ID | OMCR | Property Name | Scheduled Balance Scheduled Balance Reduction Amount Reduction Date | ASER Amount | ASER Amount | |||
| 9/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,673,424.40 | 09/11/2026 | - | - |
| 8/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | - | - |
| 7/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | - | - |
| 6/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | - | - |
| 5/15/2026 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | - | - |
| 4/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | (13,736.72) | - |
| 3/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | 13,736.72 | 13,736.72 |
| 2/18/2026 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | - | - |
| 1/16/2026 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | (14,717.91) | - |
| 12/17/2025 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | (490.60) | 14,717.91 |
| 11/18/2025 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | 490.60 | 15,208.51 |
| 10/20/2025 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 5,487,918.74 | 10/06/2025 | (8,907.18) | 14,717.91 |
| 9/17/2025 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 8,525,000.00 | 08/06/2025 | - | 23,625.09 |
| 8/15/2025 | 30530114 | 18A5 | Selig Office Portfolio | 34,100,000.00 | 34,100,000.00 | 8,525,000.00 | 08/06/2025 | 23,625.09 | 23,625.09 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 24 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| LOAN MODIFICATION DETAIL |
| September 17, 2026 |
| Modification | Modification | ||||
| Loan ID | OMCR | Property Name | Date | Code (4) | |
| 30506755 | 11 | First Central Tower | 09/19/2022 | 8 | |
| 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 | |
| 30530111 | 2A1 | Millennium Corporate Park | 01/08/2026 | 8 | |
| Total | Count = 3 | ||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 25 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| HISTORICAL LOAN MODIFICATION DETAIL |
| September 17, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 09/17/2026 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 09/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 09/17/2026 | 30530111 | 2A1 | Millennium Corporate Park | 01/08/2026 | 8 |
| 08/17/2026 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 08/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 08/17/2026 | 30530111 | 2A1 | Millennium Corporate Park | 01/08/2026 | 8 |
| 07/17/2026 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 07/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 07/17/2026 | 30530111 | 2A1 | Millennium Corporate Park | 01/08/2026 | 8 |
| 06/17/2026 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 06/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 06/17/2026 | 30530111 | 2A1 | Millennium Corporate Park | 01/08/2026 | 8 |
| 05/15/2026 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 05/15/2026 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 05/15/2026 | 30506638 | 25 | 2601 Wilshire | 03/06/2026 | 8 |
| 05/15/2026 | 30530111 | 2A1 | Millennium Corporate Park | 01/08/2026 | 8 |
| 04/17/2026 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 04/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 04/17/2026 | 30506638 | 25 | 2601 Wilshire | 03/06/2026 | 8 |
| 04/17/2026 | 30530111 | 2A1 | Millennium Corporate Park | 01/08/2026 | 8 |
| 03/17/2026 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 03/17/2026 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 03/17/2026 | 30506638 | 25 | 2601 Wilshire | 01/06/2026 | 8 |
| 03/17/2026 | 30530111 | 2A1 | Millennium Corporate Park | 01/06/2026 | 8 |
| 02/18/2026 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 02/18/2026 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 02/18/2026 | 30506638 | 25 | 2601 Wilshire | 01/06/2026 | 8 |
| 02/18/2026 | 30530111 | 2A1 | Millennium Corporate Park | 01/06/2026 | 8 |
| 01/16/2026 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 01/16/2026 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 12/17/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 12/17/2025 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 11/18/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 26 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| HISTORICAL LOAN MODIFICATION DETAIL |
| September 17, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 11/18/2025 | 30530114 | 18A5 | Selig Office Portfolio | 10/05/2025 | 8 |
| 10/20/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 10/20/2025 | 30530114 | 18A5 | Selig Office Portfolio | 07/18/2025 | 8 |
| 09/17/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 09/17/2025 | 30530114 | 18A5 | Selig Office Portfolio | 07/18/2025 | 8 |
| 08/15/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 08/15/2025 | 30530114 | 18A5 | Selig Office Portfolio | 07/18/2025 | 8 |
| 07/17/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 06/17/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 05/16/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 04/17/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 03/17/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 02/18/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 01/17/2025 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 12/17/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 11/18/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 10/18/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 09/17/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 08/16/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 07/17/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 06/17/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 05/17/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 04/17/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 03/15/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 02/16/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 01/18/2024 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 12/15/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 11/17/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 10/17/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 09/15/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 08/17/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 07/17/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 06/16/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 27 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| HISTORICAL LOAN MODIFICATION DETAIL |
| September 17, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 05/17/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 04/17/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 03/17/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 02/17/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 01/18/2023 | 30506755 | 11 | First Central Tower | 09/19/2022 | 8 |
| 07/16/2021 | 30530111 | 2A1 | Millennium Corporate Park | 12/17/2020 | 8 |
| 06/17/2021 | 30530111 | 2A1 | Millennium Corporate Park | 12/17/2020 | 8 |
| 04/16/2021 | 30530111 | 2A1 | Millennium Corporate Park | 12/17/2020 | 8 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 28 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| SPECIALLY SERVICED LOAN DETAIL |
| September 17, 2026 |
| Special Servicing | Ending | Ending | Most | Most Recent | Most Recent | Most Recent | |||
| Workout | Fee Amount | Scheduled | Actual | Recent | Valuation | Special Servicer | Master Servicer | ||
| Loan ID | OMCR | Strategy (3) | Plus Adjustments | Balance | Balance | Value | Date | Transfer Date | Return Date |
| 30530114 | 18A5 | 1 | - | 34,100,000.00 | 34,100,000.00 | 340,900,000.00 | 07/24/2026 | 11/24/2024 | |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 29 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| HISTORICAL SPECIALLY SERVICED LOANS |
| September 17, 2026 |
| Special Servicing | Ending | Ending | Most | Most Recent | Most Recent | Most Recent | ||||
| Distribution | Workout | Fee Amount | Scheduled | Actual | Recent | Valuation | Special Servicer | Master Servicer | ||
| Date | Loan ID | OMCR | Strategy (3) | Plus Adjustments | Balance | Balance | Value | Date | Transfer Date | Return Date |
| 04/17/2026 | 30530111 | 2A1 | 8 | 5,236.75 | 104,204,545.46 | 104,204,545.46 | 126,000,000.00 | 10/31/2025 | 09/30/2025 | 03/13/2026 |
| 03/17/2026 | 30530111 | 2A1 | 1 | - | 104,204,545.46 | 104,204,545.46 | 126,000,000.00 | 10/31/2025 | 09/30/2025 | |
| 02/18/2026 | 30530111 | 2A1 | 1 | (18,958.34) | 104,204,545.46 | 104,204,545.46 | 126,000,000.00 | 10/31/2025 | 09/30/2025 | |
| 01/16/2026 | 30530111 | 2A1 | 98 | 22,604.17 | 105,000,000.00 | 105,000,000.00 | 216,700,000.00 | 11/18/2020 | 09/30/2025 | |
| 12/17/2025 | 30530111 | 2A1 | 98 | 21,875.00 | 105,000,000.00 | 105,000,000.00 | 216,700,000.00 | 11/18/2020 | 09/30/2025 | |
| 11/18/2025 | 30530111 | 2A1 | 98 | - | 105,000,000.00 | 105,000,000.00 | 216,700,000.00 | 11/18/2020 | 09/30/2025 | |
| 10/20/2025 | 30530111 | 2A1 | 98 | - | 105,000,000.00 | 105,000,000.00 | 216,700,000.00 | 11/18/2020 | 09/30/2025 | |
| 09/17/2026 | 30530114 | 18A5 | 1 | - | 34,100,000.00 | 34,100,000.00 | 340,900,000.00 | 07/24/2026 | 11/24/2024 | |
| 08/17/2026 | 30530114 | 18A5 | 1 | - | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 07/17/2026 | 30530114 | 18A5 | 1 | - | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 06/17/2026 | 30530114 | 18A5 | 1 | - | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 05/15/2026 | 30530114 | 18A5 | 1 | - | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 04/17/2026 | 30530114 | 18A5 | 1 | (6,630.56) | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 03/17/2026 | 30530114 | 18A5 | 1 | 6,630.56 | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 02/18/2026 | 30530114 | 18A5 | 1 | - | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 01/16/2026 | 30530114 | 18A5 | 1 | (7,104.17) | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 11/24/2024 | ||
| 12/17/2025 | 30530114 | 18A5 | 1 | (236.80) | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 11/18/2025 | 30530114 | 18A5 | 1 | 236.80 | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 10/20/2025 | 30530114 | 18A5 | 1 | (236.80) | 34,100,000.00 | 34,100,000.00 | 341,200,000.00 | 08/08/2025 | 11/24/2024 | |
| 09/17/2025 | 30530114 | 18A5 | 1 | (14,445.14) | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| 08/15/2025 | 30530114 | 18A5 | 1 | 7,340.97 | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| 07/17/2025 | 30530114 | 18A5 | 1 | (31,021.52) | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| 06/17/2025 | 30530114 | 18A5 | 1 | 7,340.97 | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| 05/16/2025 | 30530114 | 18A5 | 1 | 7,104.17 | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| 04/17/2025 | 30530114 | 18A5 | 1 | 7,340.97 | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| 03/17/2025 | 30530114 | 18A5 | 1 | 6,630.56 | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| 02/18/2025 | 30530114 | 18A5 | 1 | 7,340.97 | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| 01/17/2025 | 30530114 | 18A5 | 1 | 7,340.97 | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| 12/17/2024 | 30530114 | 18A5 | 98 | 2,604.86 | 34,100,000.00 | 34,100,000.00 | 741,000,000.00 | 11/24/2024 | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 30 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| UNSCHEDULED PRINCIPAL DETAIL |
| September 17, 2026 |
| Liquidation / | Liquid / Prepay | Principal | Principal | Prepayment Interest | Prepayment | Yield Maintenance | ||
| Loan ID | OMCR | Prepayment Date | Code (5) | Collections | Adjustments | Excess / (Shortfall) | Penalties (PPP) | Penalties (YM) |
| No Loans with Unscheduled Principal Activity to Report. | ||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 31 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust |
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 |
| HISTORICAL UNSCHEDULED PRINCIPAL DETAIL |
| September 17, 2026 | |
| Prepayment | Yield Maintenance |
| (PPP) | Penalties (YM) |
| Distribution | Liquidation / | Liquid / Prepay | Principal | Principal | Prepayment Interest | ||||
| Date | Loan ID | OMCR | Prepayment Date | Code (5) | Collections | Adjustments | Excess / (Shortfall) | Penalties | |
| 5/15/2026 | 30506638 | 25 | 05/06/2026 | 5 | 18,300,000.00 | - | - | - | - |
| 2/18/2026 | 30530111 | 2A1 | 01/06/2026 | 1 | 795,454.54 | - | - | - | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 32 of 36 | © Copyright 2026 Citigroup |
| Benchmark 2021-B23 Mortgage Trust | |||||||||||
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 | September 17, 2026 | ||||||||||
| LIQUIDATED LOAN DETAIL | |||||||||||
| Beginning | Most | Liquidation | Net | Net | Realized | Date of | Loss with | ||||
| Scheduled | Recent | Sales | Proceeds | Liquidation | Proceeds | Loss to | Current | Current Cumulative | Cumulative | ||
| Loan ID | OMCR | Balance | Value | Price | Received | Expense | Available | Trust | Adj. to Loan | Adj. to Loan Adj. to Loan | Adj. to Trust |
| No Loans liquidated to Report. | |||||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 33 of 36 | © Copyright 2026 Citigroup | ||||||||
| Benchmark 2021-B23 Mortgage Trust | |||||||||||
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 | September 17, 2026 | ||||||||||
| HISTORICAL LIQUIDATED LOAN | |||||||||||
| Beginning | Most | Liquidation | Net | Net | Realized | Date of | Loss with | ||||
| Distribution | Scheduled | Recent | Sales | Proceeds | Liquidation | Proceeds | Loss to | Current | Current Cumulative | Cumulative | |
| Date | Loan ID OMCR | Balance | Value | Price | Received | Expense | Available | Trust | Adj. to Loan | Adj. to Loan Adj. to Loan | Adj. to Trust |
| No Loans liquidated to Report. | |||||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 34 of 36 | © Copyright 2026 Citigroup | ||||||||
| Benchmark 2021-B23 Mortgage Trust | |||||
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 | September 17, 2026 | ||||
| CREFC® INVESTOR REPORTING PACKAGE LEGENDS | |||||
| 1|CREFC Investor Reporting Package Legends | |||||
| Property Type (1) | Workout Strategy (3) | Liquidation/Prepayment Code (5) | |||
| MF | Multifamily | 1 | Modification | 1 | Partial Liquidation (Curtailment) |
| RT | Retail | 2 | Foreclosure | 2 | Payoff Prior To Maturity |
| HC | HealthCare | 3 | Bankruptcy | 3 | Disposition / Liquidation |
| IN | Industrial | 4 | Extension | 4 | Repurchase / Substitution |
| MH | Mobile Home Park | 5 | Note Sale | 5 | Full Payoff At Maturity |
| OF | Office | 6 | DPO | 6 | DPO |
| MU | Mixed Use | 7 | REO | 7 | Liquidation prior to 7/1/2006 |
| LO | Lodging | 8 | Resolved | 8 | Payoff With Penalty |
| SS | Self Storage | 9 | Pending Return to Master Servicer | 9 | Payoff With Yield Maintenance |
| SE | Securities | 10 | Deed In Lieu of Foreclosure | 10 | Curtailment With Penalty |
| CH | Cooperative Housing | 11 | Full Payoff | 11 | Curtailment With Yield Maintenance |
| ZZ | Missing Information | 12 | Reps and Warranties | ||
| SF | SF | 13 | TBD | ||
| WH | Warehouse | 98 | Other | ||
| OT | Other | ||||
| Modification Code (4) | |||||
| Payment Status of Loan (2) | |||||
| 1 | Maturity Date Extension | ||||
| A | In Grace Period | 2 | Amortization Change | ||
| B | Late, but less than 30 Days | 3 | Principal Write-Off | ||
| 0 | Current | 4 | Blank (formerly Combination) | ||
| 1 | 30-59 Days Delinquent | 5 | Temporary Rate Reduction | ||
| 2 | 60-89 Days Delinquent | 6 | Capitalization of Interest | ||
| 3 | 90-120 Days Delinquent | 7 | Capitalization of Taxes | ||
| 4 | Performing Matured Balloon | 8 | Other | ||
| 5 | Non Performing Matured Balloon | 9 | Combination | ||
| 6 | 121+ Days Delinquent | 10 | Forbearance | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 35 of 36 | © Copyright 2026 Citigroup | ||
| Benchmark 2021-B23 Mortgage Trust | |||
| Commercial Mortgage Pass-Through Certificates, Series 2021-B23 | September 17, 2026 | ||
| NOTES | |||
| No Notes available for this deal at this time. | |||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 36 of 36 | © Copyright 2026 Citigroup |
Benchmark 2021-B23 Mortgage Trust published this content on September 30, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on September 30, 2026 at 19:41 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]