JIADE Ltd

Proxy Statement for details). 4. To approve, by special resolution, the Change of Authorized Share Capital (see Proxy Notice and Proxy Statement for details). 5. To approve, by special resolution, the Adoption of the Third M&A (see Proxy Notice and Proxy Statement for details). O O O O O O O O O O O O This Proxy Card must be signed by the person registered in the register of members and received by the Company not less than 48 hours before the scheduled commencement of the annual general meeting or any adjournment thereof. In the case of a shareholder that is not a natural person, this Proxy Card must be executed by a duly authorized officer or attorney of such entity. Date Signature (Joint Owners) Date ▷ |

| | | Important Notice Regarding the Availability of Proxy Materials for the 2026 Annual General Meeting: The Notice and Proxy Statement is available at www.proxyvote.com. V96640-P53176 THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS OF JIADE LIMITED FOR THE 2026 ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON MAY 4, 2026 The undersigned shareholder of JIADE Limited, a Cayman Islands company (the "Company"), hereby acknowledges receipt of the Notice of 2026 Annual General Meeting of shareholders (the "Meeting") and the Proxy Statement, each dated April 21, 2026, and hereby appoints of or, if no person is otherwise specified, the chairman of the Meeting, as proxy, with full power of substitution, on behalf and in the name of the undersigned, to represent the undersigned at the Meeting of the Company to be held at 9:30 a.m. Eastern Time, on May 4, 2026, 18/F, Block D, Huirong Plaza, No. 88, Section 3, Jinhua Road, Jinjiang District, Chengdu City, Sichuan Province, China and virtually at www.virtualshareholdermeeting.com/JDZG2026, and to vote all shares which the undersigned would be entitled to vote if then and there personally present, on the matters set forth below (i) as specified by the undersigned below and, (ii) in the discretion of any proxy, if no direction is given and upon such