Press release

Jiayin Group Inc. Announces Closing of Initial Public Offering and Full Exercise of Underwriters’ Option to Purchase Additional ADSs

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Jiayin Group Inc. (“Jiayin” or the “Company”) (Nasdaq: JFIN), a leading
online individual finance marketplace in China, today announced the
closing of its previously announced initial public offering of 3,500,000
American Depositary Shares (“ADS”), and the sale of an additional
525,000 ADSs at the public offering price of US$10.50 per ADS pursuant
to the exercise in full by the underwriters of their option to purchase
additional ADSs. Each ADS represents four Class A ordinary shares.

Jiayin raised a total of approximately US$34.9 million in net proceeds
from its initial public offering, after the underwriters’ full exercise
of their option to purchase additional ADSs, and after deducting
underwriting discounts and commissions as well as other estimated
offering expenses.

Roth Capital Partners is acting as sole book running manager for the
offering and Shenwan Hongyuan Securities (H.K.) Limited is acting as
co-manager for the offering.

The ADSs described above are being offered by the Company pursuant to a
registration statement previously filed with, and subsequently declared
effective by, the United States Securities and Exchange Commission. The
offering is being made only by means of a written prospectus forming
part of the effective registration statement. A copy of the final
prospectus relating to this offering may be obtained from Roth Capital
Partners, 888 San Clemente Drive, Suite 400, Newport Beach, California
92660, United States of America, telephone: +1 (800) 678-9147, or by
accessing the SEC’s website,

This press release shall not constitute an offer to sell or a
solicitation of an offer to buy the securities described herein, nor
shall there be any sale of these securities in any jurisdiction in which
such offer, solicitation or sale would be unlawful prior to registration
or qualification under the securities laws of any such jurisdiction.

About Jiayin Group Inc.

Jiayin Group Inc. is a leading online individual finance marketplace in
China committed to facilitating effective, transparent, secure and fast
connections between investors and borrowers, whose needs are underserved
by traditional financial institutions. The origin of the business of the
Company can be traced back to 2011. The Company operates a highly secure
and open platform with a comprehensive risk management system and a
proprietary and effective risk assessment model which employs advanced
big data analytics and sophisticated algorithms to accurately assess the
risk profiles of potential borrowers.

Safe Harbor / Forward-Looking Statements

This press release contains “forward-looking statements” within the
meaning of the Private Securities Litigation Reform Act of 1995
regarding the proposed public offering and the intended use of proceeds
from the offering. The offering is subject to market and other
conditions and there can be no assurance as to whether or when the
offering may be completed or as to the actual size or terms of the
offering. These forward-looking statements are subject to risks and
uncertainties that may cause actual results to differ materially,
including market conditions, risks associated with the cash requirements
of our business and other risks detailed from time to time in our
filings with the Securities and Exchange Commission, and represent our
views only as of the date they are made and should not be relied upon as
representing our views as of any subsequent date. We do not assume any
obligation to update any forward-looking statements.