CUSIP No. 69354V108 SCHEDULE 13G Page 1 of 1 Page

EXHIBIT 1

AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G

The undersigned hereby agree that the Schedule 13G relating to the common stock of PPDAI Group Inc., and any further amendments thereto, to which this Agreement as to Joint Filing of Schedule 13G is attached as an exhibit is filed on behalf of each of them pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

Date: February 14, 2018

Sequoia Capital 2010 CV Holdco, Ltd.
By:	Sequoia Capital China Venture 2010 Fund, L.P.
	its Sole Member
By:	SC China Venture 2010 Management, L.P.
	its General Partner
By:	SC China Holding Limited
	its General Partner
By:	/s/ Neil Nanpeng Shen
	Neil Nanpeng Shen, Authorized Signatory
Sequoia Capital China Venture 2010 Fund, L.P.
By:	SC China Venture 2010 Management, L.P.
	its General Partner
By:	SC China Holding Limited
	its General Partner
By:	/s/ Neil Nanpeng Shen
	Neil Nanpeng Shen, Authorized Signatory
SC China Venture 2010 Management, L.P.
By:	SC China Holding Limited
	its General Partner
By:	/s/ Neil Nanpeng Shen
	Neil Nanpeng Shen, Authorized Signatory
SC China Holding Limited
By:	/s/ Neil Nanpeng Shen
	Neil Nanpeng Shen, Authorized Signatory
SNP China Enterprises Limited
By:	/s/ Neil Nanpeng Shen
	Neil Nanpeng Shen, Authorized Signatory
Neil Nanpeng Shen
By:	/s/ Neil Nanpeng Shen
	Neil Nanpeng Shen