The Board of Directors of Sustained Infrastructure Holding Company (“SISCO Holding”) invites its shareholders to attend the Ordinary General Assembly Meeting (First Meeting)

Sustained Infrastructure Holding Company (SISCO Holding) has invited shareholders to its Ordinary General Assembly Meeting scheduled for Wednesday, 10 June 2026, at 18:30 via modern technology means.
Electronic voting on the assembly agenda items will begin at 1:00 AM on Saturday, 6 June 2026, and continue until the conclusion of the meeting.
The meeting requires a quorum of shareholders representing at least 25% of the company’s capital; if this is not met, a second meeting will be held one hour later regardless of the number of shares represented.
Shareholders registered in the company’s records at the end of the trading session preceding the meeting are eligible to attend and vote.

Element List	Explanation
Introduction	The Board of Directors of Sustained Infrastructure Holding Company (“SISCO Holding”) is pleased to invite the shareholders to participate and vote in the Ordinary General Assembly Meeting (First Meeting), scheduled to be held on Wednesday, 10 June 2026, at the Company’s headquarters in Jeddah through modern technology means.
City and Location of the General Assembly's Meeting	The Company's headquarters in Jeddah - via modern technological means (Tadawulaty system)
Hyperlink of the Meeting Location	Click Here
Date of the General Assembly's Meeting	2026-06-10 Corresponding to 1447-12-24
Time of the General Assembly’s Meeting	18:30
Methodology of Convening the General Assembly’s Meeting	Via modern technology means
Attendance Eligibility, Registration Eligibility, and Voting End	The shareholders who are registered in the company's shareholders register at the Depository Center at the end of the trading session preceding the General Assembly meeting shall be eligible to attend the General Assembly meeting, in accordance with the laws and regulations. The shareholders shall have the right to appoint a proxy other than a member of the Board of Directors to attend the meeting. The eligibility for registration to attend the General Assembly meeting shall end at the time of the General Assembly meeting, and the eligibility for attending shareholders to vote on the items of the General Assembly meeting shall end when the voting committee has finished counting the votes.
Quorum for Convening the General Assembly's Meeting	In accordance with Article 30 of the Bylaws, the Ordinary General Assembly meeting shall be valid if attended by shareholders representing at least one-fourth of the Company’s capital. If the quorum required for holding the meeting is not met, a second meeting will be held one hour after the end of the period specified for the first meeting. The second meeting shall be valid regardless of the number of shares represented therein.
General Assembly Meeting Agenda	Please find the attached documents
Proxy Form	Proxy Form
The shareholder right in discussing the assembly agenda topics, asking questions, and exercising the voting right	The shareholders shall have the right to discuss the General Assembly meeting agenda items and raise questions. Voting through Tadawulaty is available for all shareholders at no cost via the following link: http://tadawulaty.com.sa
Details of the electronic voting on the Assembly’s agenda	Shareholders registered in Tadawulaty electronic services may remotely vote on the items of the Ordinary General Assembly meeting through the electronic voting as of 01:00 a.m., Saturday 6 June 2026 and until the end of the General Assembly meeting. Registration and voting via Tadawulaty services will be available at no cost for all shareholders using the following link: www.tadawulaty.com.sa
Method of Communication in Case of Any Enquiries	In case of inquiry, kindly contact Investor Relations, via telephone No. (0126619500) or email to: IR@sisco.com.sa
Additional Information	The shareholders will be allowed to raise questions and inquiries pertaining to agenda items during the assembly meeting, via the assembly broadcast link that will be sent to the shareholders via Tadawulaty services. Inquiries will only be accepted upon providing the shareholder’s full name.
Attached Documents	Attached Documents Attached Documents