Amendment no. 1 to pricing supplement dated October 6, 2017 To prospectus dated April 15, 2016, prospectus supplement dated April 15, 2016 and product supplement no. 4-I dated April 15, 2016	Registration Statement Nos. 333-209682 and 333-209682-01 Dated December 8, 2017 Rule 424(b)(3)
JPMorgan Chase Financial Company LLC

Structured 
Investments    $350,000 Return Notes Linked to an Unequally Weighted Basket of 15 Reference Stocks due October 24, 2018 Fully and Unconditionally Guaranteed by JPMorgan Chase & Co.

Notwithstanding anything to the contrary set forth in the pricing supplement dated October 6, 2017, related to the notes referred to above (the “pricing supplement”), the CUSIP for the notes is as set forth below:

CUSIP: 48129KAB6

Investing in the notes involves a number of risks. See “Risk Factors” beginning on page PS-10 of the accompanying product supplement and “Selected Risk Considerations” beginning on page PS-4 of the pricing supplement.

Neither the Securities and Exchange Commission (the “SEC”) nor any state securities commission has approved or disapproved of the notes or passed upon the accuracy or the adequacy of this amendment, the pricing supplement or the accompanying product supplement, prospectus supplement and prospectus. Any representation to the contrary is a criminal offense.

The notes are not bank deposits, are not insured by the Federal Deposit Insurance Corporation or any other governmental agency and are not obligations of, or guaranteed by, a bank.

You should read this amendment together with the pricing supplement and the related product supplement, prospectus supplement and prospectus, each of which can be accessed via the hyperlinks below. Please also see “Additional Terms Specific to the Notes” in the pricing supplement.

· Pricing supplement dated October 6, 2017:

http://www.sec.gov/Archives/edgar/data/19617/000089109217007303/e76030_424b2.htm

· Product supplement no. 4-I dated April 15, 2016:
http://www.sec.gov/Archives/edgar/data/19617/000095010316012644/crt_dp64831-424b2.pdf

· Prospectus supplement and prospectus, each dated April 15, 2016:
http://www.sec.gov/Archives/edgar/data/19617/000095010316012636/crt_dp64952-424b2.pdf