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EX-99.1
2
tm2619927d1_ex99-1.htm
EXHIBIT 99.1

Exhibit 99.1

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Monthly Return for Equity Issuer and Hong Kong Depositary Receipts listed under Chapter 19B of the Exchange Listing Rules on Movements in
Securities
For the month ended: 30 June 2026 Status: New Submission
To : Hong Kong Exchanges and Clearing Limited
Name of Issuer: Hesai Group (a company controlled through weighted voting rights and incorporated in the Cayman Islands with limited liability)
Date Submitted: 07 July 2026
I. Movements in Authorised / Registered Share Capital
1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange (Note 1) No
Stock code (if listed) N/A Description Class A Ordinary Shares
Number of authorised/registered shares Par value Authorised/registered share capital
Balance at close of preceding month 50,000,000 USD 0.0001 USD 5,000
Increase / decrease (-) USD
Balance at close of the month 50,000,000 USD 0.0001 USD 5,000
2. Class of shares WVR ordinary shares Type of shares B Listed on the Exchange (Note 1) Yes
Stock code (if listed) 02525 Description Class B Ordinary Shares
Number of authorised/registered shares Par value Authorised/registered share capital
Balance at close of preceding month 950,000,000 USD 0.0001 USD 95,000
Increase / decrease (-) USD
Balance at close of the month 950,000,000 USD 0.0001 USD 95,000
Total authorised/registered share capital at the end of the month: USD 100,000

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II. Movements in Issued Shares and/or Treasury Shares and Public Float Sufficiency Confirmation
1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange (Note 1) No
Stock code (if listed) N/A Description Class A Ordinary Shares
Number of issued shares
(excluding treasury shares) Number of treasury shares Total number of issued shares
Balance at close of preceding month 26,998,861 0 26,998,861
Increase / decrease (-)
Balance at close of the month 26,998,861 0 26,998,861
2. Class of shares WVR ordinary shares Type of shares B Listed on the Exchange (Note 1) Yes
Stock code (if listed) 02525 Description Class B Ordinary Shares
Number of issued shares
(excluding treasury shares) Number of treasury shares Total number of issued shares
Balance at close of preceding month 130,143,350 0 130,143,350
Increase / decrease (-)
Balance at close of the month 130,143,350 0 130,143,350
Public float sufficiency confirmation (Note 4)
Pursuant to Main Board Rule 13.32D(1) or 19A.28D(1) / GEM Rule 17.37D(1) or 25.21D(1), we hereby confirm that, in relation to the class of shares as set out above, as at the close of the
month:
 ✔ the applicable public float requirement (see below) has been complied with
the applicable public float requirement (see below) has not been complied with
The applicable minimum public float requirement for the class of shares as set out above pursuant to Main Board Rule 13.32B or 19A.28B / GEM Rule 17.37B or 25.21B (as the case may be) is:
Applicable public float threshold Initial Prescribed Threshold - the minimum percentage of public float prescribed at the time of listing (please specify the
percentage in "Minimum prescribed public float at the time of listing" below)
Minimum prescribed public float at the time of listing Percentage: 15% of the total number of issued shares in the class to which the listed shares belong (excluding treasury
shares)
Additional information

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III. Details of Movements in Issued Shares and/or Treasury Shares
(A). Share Options (under Share Option Schemes of the Issuer)
1. Class of shares WVR ordinary shares Type of shares B Listed on the Exchange (Note 1) Yes
Stock code (if listed) 02525 Description Class B Ordinary Shares
Particulars of share option scheme
Number of share
options outstanding at
close of preceding
month
Movement during the month
Number of share
options outstanding at
close of the month
Number of new shares
issued during the month
pursuant thereto (A1)
Number of treasury
shares transferred out of
treasury during the
month pursuant thereto
(A2)
Number of shares which
may be issued or
transferred out of
treasury pursuant
thereto as at close of
the month
The total number of
shares which may be
issued or transferred out
of treasury upon
exercise of all share
options to be granted
under the scheme at
close of the month
1). Outstanding Options granted
under the 2021 Plan
7,963,115 Others -211,063
Lapsed -32,720
7,719,332 7,719,332 13,097,584
General Meeting approval date (if applicable)
Increase in issued shares (excluding treasury shares): WVR ordinary shares B (AA1)
Decrease in treasury shares: WVR ordinary shares B (AA2)
Total funds raised during the month from exercise of options: USD 348,304.55
Remarks:
Others: -211,063 refers to 211,063 Options being exercised. The exercise of 211,063 Options was settled using the Class B Ordinary Shares already issued and registered in the name of the
Depositary which are used to satisfy any future exercise or vesting of awards granted under the 2021 Plan. In addition, 32,720 Options lapsed during the month.
No Options were granted and 737,054 RSUs were granted under the 2021 Plan during the month. The 7,719,332 shares which may be issued or transferred out of the Depositary pursuant to the
exercise of Options do not count towards the total number of shares which may be issued or transferred out of the Depositary pursuant to exercise and/or vesting of all Awards to be granted
under the 2021 Plan and any other share incentive schemes of the Company as at the close of the month (i.e. 13,097,584).

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(B). Warrants to Issue Shares of the Issuer Not applicable

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(C). Convertibles (i.e. Convertible into Shares of the Issuer) Not applicable

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(D). Any other Agreements or Arrangements to Issue Shares of the Issuer, including Options (other than Share Option Schemes)
1. Class of shares WVR ordinary shares Type of shares B Listed on the Exchange (Note 1) Yes
Stock code (if listed) 02525 Description Class B Ordinary Shares
Description of other agreements or arrangements
General Meeting
approval date
(if applicable)
Number of new shares issued during
the month pursuant thereto (D1)
Number of treasury shares transferred
out of treasury during the month
pursuant thereto (D2)
Number of shares which may be issued
or transferred out of treasury pursuant
thereto as at close of the month
1). Outstanding RSUs granted under the 2021 Plan 2,190,053
Increase in issued shares (excluding treasury shares): WVR ordinary shares B (DD1)
Decrease in treasury shares: WVR ordinary shares B (DD2)
Remarks:
As of May 31, 2026, the outstanding RSUs granted under the 2021 Plan entitled the holders to 1,459,706 Class B Ordinary Shares upon vesting.
737,054 RSUs were granted under the 2021 Plan during the month. 403 RSUs vested during the month and were settled using the Class B Ordinary Shares already issued and registered in the
name of the Depositary. 6,304 RSUs lapsed during the month.
277,951 of 2,190,053 shares which may be issued or transferred out of the Depositary pursuant to the vesting of RSUs do not count towards the total number of shares which may be issued or
transferred out of the Depositary pursuant to exercise and/or vesting of all Awards to be granted under the 2021 Plan and any other share incentive schemes of the Company as at the close of
the month (i.e. 13,097,584).

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(E). Other Movements in Issued Shares and/or Treasury Shares Not applicable
Total increase/ decrease (-) in issued shares (excluding treasury shares) during the month (i.e. Total of AA1 to EE1): WVR ordinary shares B
Total increase/ decrease (-) in treasury shares during the month (i.e. Total of AA2 to EE2): WVR ordinary shares B

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IV. Information about Hong Kong Depositary Receipt (HDR) Not applicable

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V. Confirmations
Pursuant to Main Board Rule 13.25C / GEM Rule 17.27C, we hereby confirm to the best knowledge, information and belief that, in relation to each of the securities issued, or the treasury shares
sold or transferred by the issuer during the month as set out in Parts III and IV which has not been previously disclosed in a return published under Main Board Rule 13.25A / GEM Rule 17.27A, it
has been duly authorised by the board of directors of the listed issuer and carried out in compliance with all applicable listing rules, laws and other regulatory requirements and, insofar as
applicable:
(Note 5)
(i) all money due to the listed issuer in respect of the issue of securities, or sale or transfer of treasury shares has been received by it;
(ii) all pre-conditions for listing imposed by the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited under "Qualifications of listing" have been fulfilled;
(iii) all (if any) conditions contained in the formal letter granting listing of and permission to deal in the securities have been fulfilled;
(iv) all the securities of each class are in all respects identical (Note 6);
(v) all documents required by the Companies (Winding Up and Miscellaneous Provisions) Ordinance to be filed with the Registrar of Companies have been duly filed and that compliance has
 been made with all other legal requirements;
(vi) all the definitive documents of title have been delivered/are ready to be delivered/are being prepared and will be delivered in accordance with the terms of issue, sale or transfer;
(vii) completion has taken place of the purchase by the issuer of all property shown in the listing document to have been purchased or agreed to be purchased by it and the purchase
 consideration for all such property has been duly satisfied; and
(viii) the trust deed/deed poll relating to the debenture, loan stock, notes or bonds has been completed and executed, and particulars thereof, if so required by law, have been filed with the
 Registrar of Companies.
Submitted by: Cailian Yang
Title: Director and Joint Company Secretary
(Director, Secretary or other Duly Authorised Officer)

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Notes
1. The Exchange refers to The Stock Exchange of Hong Kong Limited.
2. In the case of repurchase of shares (shares repurchased and cancelled) and redemption of shares (shares redeemed and cancelled), "date of event" should be construed as
"cancellation date".
In the case of repurchase of shares (shares held as treasury shares), "date of event" should be construed as "date on which shares were repurchased and held by the issuer in
treasury".
3. The information is required in the case of repurchase of shares (shares repurchased for cancellation but not yet cancelled) and redemption of shares (shares redeemed but not yet
cancelled). Please state the number of shares repurchased or redeemed during the month or in preceding month(s) but pending cancellation as at close of the month as a negative
number.
4. "Initial Prescribed Threshold”, "Alternative Threshold” and "market value" have the meanings ascribed thereto under Main Board Rule 13.32A or 19A.28A / GEM Rule 17.37A or
25.21A. See also Main Board Rule 13.32D(4) or 19A.28D(4) / GEM Rule 17.37D(4) or 25.21D(4) on the basis of the public float disclosure.
5. Items (i) to (viii) are suggested forms of confirmation. The listed issuer may amend the item(s) that is/are not applicable to meet individual cases. Where the issuer has already
made the relevant confirmations in a return published under Main Board Rule 13.25A / GEM Rule 17.27A in relation to the securities issued, or the treasury shares sold or
transferred, no further confirmation is required to be made in this return.
6. “Identical” means in this context:
 ． the securities are of the same nominal value with the same amount called up or paid up;
 ． they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to
exactly the same sum (gross and net); and
 ． they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respects.