AAC Technologies Holdings Inc. — Proxy Solicitation & Information Statement 2026

Apr 27, 2026

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this notice, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this notice.

瑞聲科技控股有限公司

AAC Technologies Holdings Inc.

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 2018)

NOTICE OF ANNUAL GENERAL MEETING

NOTICE IS HEREBY GIVEN that the annual general meeting of AAC Technologies Holdings Inc. (the "Company") will be held at 2:30 p.m. on Thursday, 21 May 2026 (the "2026 AGM") at Victoria & Edinburgh Room, 2/F, Mandarin Oriental Hong Kong, 5 Connaught Road Central, Hong Kong for the following purposes:

ORDINARY RESOLUTIONS

1. To receive and consider the audited consolidated financial statements of the Company and the report of the directors and independent auditor's report for the year ended 31 December 2025.
2. To approve a final dividend of HK$0.35 per share for the year ended 31 December 2025.
3. (a) To re-elect Mr. Kwok Lam Kwong Larry as independent non-executive director of the Company.
   (b) To re-elect Mr. Cheng Kwang Ting as independent non-executive director of the Company.
   (c) To re-elect Mr. Cheng James Su-Ting as independent non-executive director of the Company.
   (d) To re-elect Mr. Mok Joe Kuen Richard as executive director of the Company.
   (e) To authorize the board of directors of the Company to fix the fees of directors for the year ending 31 December 2026.
4. To re-appoint Messrs. Deloitte Touche Tohmatsu as auditor of the Company and to authorize the audit and risk committee of the Company to fix their remuneration.

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1. To consider, and if thought fit, pass the following ordinary resolution:

THAT:

(a) subject to paragraph (c) below, the exercise by the directors of the Company during the Relevant Period (as hereinafter defined) of all the powers of the Company to allot, issue and deal with additional Shares and/or resell or transfer the Treasury Shares in the capital of the Company and to make or grant offers, agreements and options which might require the exercise of such power be and is hereby generally and unconditionally approved;

(b) the approval given in paragraph (a) of this resolution shall authorize the directors of the Company during the Relevant Period to make or grant offers, agreements and options which might require the exercise of such power after the end of the Relevant Period;

(c) the aggregate number of (i) Shares allotted and issued or agreed conditionally or unconditionally to be allotted (whether pursuant to an option or otherwise) and (ii) the Treasury Shares resold or transferred by the directors of the Company pursuant to the approval in paragraph (a) of this resolution, otherwise than pursuant to (i) a Rights Issue (as hereinafter defined) or (ii) an issue of shares as scrip dividends pursuant to the articles of association of the Company from time to time, shall not exceed 10% of the total number of issued shares of the Company (excluding Treasury Shares) as at the date of passing this resolution provided that:

(I) where the Shares are issued or where the Treasury Shares are resold off-market for cash consideration, they shall not be issued or resold at a discount of more than 10% to the benchmarked price of the Shares being the higher of:

(i) the closing price of the Shares on the date of the agreement involving the proposed issue of Shares and/or the proposed resale of Treasury Shares under the Issue Mandate; and

(ii) the average closing price of such Shares in the 5 trading days immediately prior to the earlier of:

(x) the date of announcement of the proposed issue of Shares and/or the proposed resale of Treasury Shares;

(y) the date of the agreement involving the proposed issue of Shares and/or the proposed resale of Treasury Shares; and

(z) the date on which the price of Shares proposed to be issued and/or Treasury Shares proposed to be resold is fixed;

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(II) in the case of a resale of Treasury Shares on the Stock Exchange, they shall not be resold at a discount of more than 10% to the benchmarked price of the Shares being the higher of (i) the closing price on the trading day immediately prior to the resale and (ii) the average closing price in the 5 trading days immediately prior to the resale; and

(III) if any subsequent consolidation or subdivision of shares of the Company is effected, the maximum aggregate number of Shares that may be issued and Treasury Shares that may be resold or transferred pursuant to the approval in paragraph (a) above as a percentage of the total number of issued Shares (excluding Treasury Shares) immediately before and after such consolidation or subdivision shall be the same and such maximum number of shares shall be adjusted accordingly; and

(d) for the purposes of this resolution:

“Relevant Period” means the period from the passing of this resolution until whichever is the earliest of:

(i) the conclusion of the next annual general meeting of the Company; or

(ii) the expiration of the period within which the next annual general meeting of the Company is required by the articles of association of the Company or any applicable laws of the Cayman Islands to be held; or

(iii) the revocation or variation of this resolution by an ordinary resolution of the shareholders of the Company in general meeting.

“Rights Issue” means an offer of Shares open for a period fixed by the directors of the Company to holders of Shares on the register on a fixed record date in proportion to their then holdings of such Shares (subject to such exclusion or other arrangements as the directors of the Company may deem necessary or expedient in relation to fractional entitlements or having regard to any restrictions or obligations under the law of, or the requirements of any recognized regulatory body or any stock exchange in any territory applicable to the Company).”

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1. To consider, and if thought fit, pass the following ordinary resolution:

THAT:

(a) subject to paragraph (b) below, the exercise by the directors of the Company during the Relevant Period for Repurchase (as hereinafter defined) of all powers of the Company to purchase its own shares, subject to and in accordance with all applicable laws, be and is hereby generally and unconditionally approved;

(b) the aggregate number of Shares purchased by the Company pursuant to the approval in paragraph (a) above during the Relevant Period for Repurchase shall not exceed 10% of the total number of Shares in issue (excluding any Treasury Shares) as at the date of passing this resolution provided that if any subsequent consolidation or subdivision of shares of the Company is effected, the maximum number of Shares that may be purchased pursuant to the approval in paragraph (a) above as a percentage of the total number of issued Shares (excluding Treasury Shares) immediately before and after such consolidation or subdivision shall be the same and such maximum number of Shares shall be adjusted accordingly; and

(c) for the purposes of this resolution:

“Relevant Period for Repurchase” means the period from the passing of this resolution until whichever is the earliest of:

(i) the conclusion of the next annual general meeting of the Company; or

(ii) the expiration of the period within which the next annual general meeting of the Company is required by the articles of association of the Company or any applicable laws of the Cayman Islands to be held; or

(iii) the revocation or variation of this resolution by an ordinary resolution of the shareholders of the Company in general meeting.”

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1. To consider, and if thought fit, pass the following ordinary resolution:

“THAT conditional upon resolutions nos. 5 and 6 above being passed, the aggregate number of Shares which are repurchased by the Company under the authority granted to the directors of the Company as mentioned in resolution no. 6 above shall be added to the total number of (i) Shares that may be allotted or agreed conditionally or unconditionally to be allotted and (ii) Treasury Shares to be resold or transferred by the directors of the Company pursuant to resolution no. 5 above (such total number to be subject to adjustment in the case of any consolidation or subdivision of any or all of the Shares into a smaller or larger number of Shares respectively after passing of this resolution).”

By order of the Board
AAC TECHNOLOGIES HOLDINGS INC.
Zhang Hongjiang
Chairman

Hong Kong, 28 April 2026

Principal place of business in Hong Kong:
Suite 2601, 26th Floor
One Hennessy
1 Hennessy Road
Wanchai, Hong Kong

Registered office in the Cayman
Islands:
Cricket Square
Hutchins Drive
P.O. Box 2681
Grand Cayman KY1-1111
Cayman Islands

Notes:

(1) Unless otherwise defined in this notice or the context requires otherwise, terms used in this notice shall have the same meanings as defined in the circular of the Company dated 28 April 2026.

(2) A member of the Company entitled to attend and vote at the meeting convened by the above notice is entitled to appoint one proxy or more proxies to attend and vote in his stead. A proxy need not be a member of the Company. In order to be valid, the form of proxy must be deposited at the Company’s Hong Kong branch share registrar, Computershare Hong Kong Investor Services Limited at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong together with a power of attorney or other authority, if any, under which it is signed or a certified copy of that power or authority, not less than 48 hours before the time for holding the meeting or adjourned meeting.

(3) Completion and return of the form of proxy will not preclude members from attending and voting at the 2026 AGM or any adjournment.

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(4) For the purposes of determining Shareholders' eligibility to attend and vote at the 2026 AGM, and entitlement to the proposed final dividend, the Company's register of members will be closed as set out below:

(a) For determining eligibility to attend and vote at the 2026 AGM

• Latest time to lodge transfer documents for registration ... At 4:30 p.m. on Friday, 15 May 2026
• Closure of the Company's register of members ... Monday, 18 May 2026 to Thursday, 21 May 2026 (both days inclusive)
• Record date ... Thursday, 21 May 2026

(b) For determining entitlement of proposed final dividend

• Ex-dividend date ... Tuesday, 26 May 2026
• Latest time to lodge transfer documents for registration ... At 4:30 p.m. on Wednesday, 27 May 2026
• Closure of the Company's register of members ... Thursday, 28 May 2026 to Monday, 1 June 2026 (both days inclusive)
• Record date ... Monday, 1 June 2026

During the above closure periods, no transfer of Shares will be registered. To be eligible to attend and vote at the 2026 AGM, and to qualify for the proposed final dividend, all properly completed transfer forms accompanied by the relevant share certificates must be lodged for registration with the Company's branch share registrar in Hong Kong, Computershare Hong Kong Investor Services Limited, at Shops 1712-1716, 17th Floor, Hopewell Centre, 183 Queen's Road East, Wan Chai, Hong Kong no later than the afore-mentioned latest time.

(5) Shareholders of the Company should note that the meeting will be held as scheduled when amber or red rainstorm warning signal is in force. In the event that typhoon signal no. 8 (or above) or "black" rainstorm warning is hoisted on the day and before the time of the 2026 AGM, shareholders of the Company may call the 2026 AGM hotline (852) 2590 1900 / 2590 1903 for arrangement of holding the 2026 AGM under such adverse weather condition. This 2026 AGM hotline is restricted to be used for the enquiries of bad weather arrangement only.

Shareholders of the Company should make their own decision as to whether they would attend the meeting under adverse weather conditions bearing in mind their own situations and if they should choose to do so, they are advised to exercise care and caution.

(6) As at the date of this notice, the board of directors of the Company comprises two executive Directors, namely Mr. Pan Benjamin Zhengmin and Mr. Mok Joe Kuen Richard; one non-executive Director, namely Ms. Wu Ingrid Chun Yuan; and five independent non-executive Directors, namely Mr. Zhang Hongjiang, Mr. Kwok Lam Kwong Larry, Mr. Peng Zhiyuan, Mr. Cheng Kwang Ting and Mr. Cheng James Su-Ting.

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