ADENTRA Inc. — Proxy Solicitation & Information Statement 2026

Apr 2, 2026

ADENTRA

Important Notice Regarding the Availability of Meeting Materials for the Annual General Meeting of ADENTRA Inc. to be held as a Virtual-Only Meeting via Live Audio Webcast Online at www.virtualshareholdermeeting.com/ADEN2026 on Tuesday, May 5, 2026 at 1:30 pm (Vancouver Time)

You are receiving this notice to advise that the meeting materials for the above noted meeting are available on the Internet. Follow the instructions below to view the meeting materials on the Internet. This communication presents only an overview of the more complete meeting materials that are available to you on the Internet.

— Matters to be Voted Upon at the Meeting —

The resolutions to be voted on at the meeting are listed below along with the section within the Information Circular for the meeting where disclosure regarding the matter can be found:

1. to elect directors for the ensuing year – see “Election of Directors”;
2. to appoint auditors for the ensuing year – see “Appointment of Auditors”; and
3. to transact such further and other business as may properly come before the meeting or any adjournment thereof – see “Particulars of Other Matters to be Acted Upon”.

— How to Access the Meeting Materials —

How to View Online – You may access the meeting materials (Notice of Meeting and Information Circular) on the Internet at:

www.adentragroup.com

or

www.sedarplus.ca

How to Receive a Paper Copy – If you want to receive a paper copy of the meeting materials by mail, you may request one by calling us toll free at 1-844-500-1993. There is no charge to you for requesting a paper copy. Requests should be received by us no later than April 24, 2026 to ensure you receive the materials in advance of the voting deadline and meeting date. If you do request a paper copy of the meeting materials, please note that another Voting Instruction Form will not be sent; please retain the enclosed Voting Instruction Form for voting purposes.

— How to Vote —

Voting in Advance – To vote your shares you must vote in accordance with the instructions on the enclosed Voting Instruction Form by the deadline noted on the Voting Instruction Form.

Vote at Virtual-Only Meeting – You have received this notice because you hold your shares through an intermediary or broker. Shareholders who hold their shares through an intermediary/broker are not entitled, without making additional arrangements, to vote at the virtual-only meeting. If you wish to vote at the virtual-only meeting, please see the instructions in the Information Circular and on the enclosed Voting Instruction Form or contact your intermediary/broker well in advance of the meeting to determine how you can do so.

You are reminded to view the meeting materials before voting.

If you have questions regarding the availability of meeting materials, call us toll free at 1-844-500-1993.