JP Morgan Chase Commercial Mortgage Securities 424B3 Prospectus supplement

FILED PURSUANT TO RULE 424(b)(3)

REGISTRATION FILE NO.: 333-206361-14

SUPPLEMENT

(To Prospectus Dated May 24, 2018)

$628,452,367 (Approximate)

JPMDB Commercial Mortgage Securities Trust 2018-C8

(Central Index Key Number 0001735646)

as Issuing Entity

J.P. Morgan Chase Commercial Mortgage Securities Corp.

(Central Index Key Number 0001013611)

as Depositor

JPMorgan Chase Bank,National Association

(Central Index Key Number 0000835271)

German American Capital Corporation
(Central Index Key Number 0001541294)

Starwood Mortgage Funding VI LLC
(Central Index Key Number 0001682518)

BSPRT Finance, LLC

(Central Index Key Number 0001722518)
as Sponsors and Mortgage Loan Sellers

Commercial Mortgage Pass-Through Certificates, Series 2018-C8

This is a supplement to the prospectus dated May 24, 2018 (the “Prospectus”), which was filed with the Securities and Exchange Commission on June 15, 2018.

The purpose of this supplement is to replace the current contents of Annex E to the Prospectus with the text on the following page:

J.P. Morgan Co-Lead Manager and Joint Bookrunner	Deutsche Bank Securities Co-Lead Manager and Joint Bookrunner
Drexel Hamilton Co-Manager	Academy Securities Co-Manager

The date of this supplement is July 16, 2018

CLASS A-SB PLANNED PRINCIPAL BALANCE SCHEDULE

Distribution Date	Balance($)	Distribution Date	Balance($)
7/15/2018	33,165,944.00	4/15/2023	33,165,944.00
8/15/2018	33,165,944.00	5/15/2023	33,165,944.00
9/15/2018	33,165,944.00	6/15/2023	33,165,571.22
10/15/2018	33,165,944.00	7/15/2023	32,582,023.71
11/15/2018	33,165,944.00	8/15/2023	32,045,140.35
12/15/2018	33,165,944.00	9/15/2023	31,506,008.44
1/15/2019	33,165,944.00	10/15/2023	30,915,732.47
2/15/2019	33,165,944.00	11/15/2023	30,371,868.04
3/15/2019	33,165,944.00	12/15/2023	29,776,992.93
4/15/2019	33,165,944.00	1/15/2024	29,228,356.69
5/15/2019	33,165,944.00	2/15/2024	28,677,422.38
6/15/2019	33,165,944.00	3/15/2024	28,027,172.94
7/15/2019	33,165,944.00	4/15/2024	27,471,202.80
8/15/2019	33,165,944.00	5/15/2024	26,864,563.14
9/15/2019	33,165,944.00	6/15/2024	26,303,720.62
10/15/2019	33,165,944.00	7/15/2024	25,692,345.88
11/15/2019	33,165,944.00	8/15/2024	25,126,590.51
12/15/2019	33,165,944.00	9/15/2024	24,558,464.94
1/15/2020	33,165,944.00	10/15/2024	23,940,012.40
2/15/2020	33,165,944.00	11/15/2024	23,366,913.46
3/15/2020	33,165,944.00	12/15/2024	22,743,627.72
4/15/2020	33,165,944.00	1/15/2025	22,165,514.12
5/15/2020	33,165,944.00	2/15/2025	21,584,978.25
6/15/2020	33,165,944.00	3/15/2025	20,859,375.62
7/15/2020	33,165,944.00	4/15/2025	20,273,360.77
8/15/2020	33,165,944.00	5/15/2025	19,637,523.08
9/15/2020	33,165,944.00	6/15/2025	19,046,386.25
10/15/2020	33,165,944.00	7/15/2025	18,405,570.90
11/15/2020	33,165,944.00	8/15/2025	17,809,269.49
12/15/2020	33,165,944.00	9/15/2025	17,210,469.17
1/15/2021	33,165,944.00	10/15/2025	16,562,206.28
2/15/2021	33,165,944.00	11/15/2025	15,958,177.69
3/15/2021	33,165,944.00	12/15/2025	15,304,833.89
4/15/2021	33,165,944.00	1/15/2026	14,695,533.63
5/15/2021	33,165,944.00	2/15/2026	14,083,679.66
6/15/2021	33,165,944.00	3/15/2026	13,329,670.49
7/15/2021	33,165,944.00	4/15/2026	12,712,085.83
8/15/2021	33,165,944.00	5/15/2026	12,045,567.94
9/15/2021	33,165,944.00	6/15/2026	11,422,598.92
10/15/2021	33,165,944.00	7/15/2026	10,750,848.39
11/15/2021	33,165,944.00	8/15/2026	10,122,450.25
12/15/2021	33,165,944.00	9/15/2026	9,491,417.90
1/15/2022	33,165,944.00	10/15/2026	8,811,831.23
2/15/2022	33,165,944.00	11/15/2026	8,175,302.73
3/15/2022	33,165,944.00	12/15/2026	7,490,374.81
4/15/2022	33,165,944.00	1/15/2027	6,848,304.48
5/15/2022	33,165,944.00	2/15/2027	6,203,542.30
6/15/2022	33,165,944.00	3/15/2027	5,419,684.29
7/15/2022	33,165,944.00	4/15/2027	4,768,926.87
8/15/2022	33,165,944.00	5/15/2027	4,070,170.97
9/15/2022	33,165,944.00	6/15/2027	3,413,753.42
10/15/2022	33,165,944.00	7/15/2027	2,709,496.88
11/15/2022	33,165,944.00	8/15/2027	2,047,372.14
12/15/2022	33,165,944.00	9/15/2027	1,382,470.99
1/15/2023	33,165,944.00	10/15/2027	669,969.91
2/15/2023	33,165,944.00	11/15/2027 and thereafter	0.00
3/15/2023	33,165,944.00