Proxy Form 2026

Proxy Form

Ontario One Call

Hybrid Annual Meeting on October 1, 2026 at 3:30 pm EDT

This Proxy grants the Proxyholder the following powers:

1. The power to cast votes in relation to resolutions of the Corporation, identified in the notice of the meeting, including the appointment and remuneration of an auditor and the election of directors and other special business;

2. The ability to attend such meeting and vote on matters at the meeting by ballot;

3. The ability for the Proxyholder to make decisions on behalf of the undersigned member according to the member's instructions.

Submit this online proxy by September 29, 2026 at 3:30 pm to secure your vote. If you require additional information, please contact us at DigSafety@OntarioOneCall.ca

COMPLETE THIS SECTION TO APPOINT A PROXY HOLDER

Proxy Form

Ontario One Call

Hybrid Annual Meeting on October 1, 2026 at 3:30 pm EDT

This Proxy grants the Proxyholder the following powers:

1. The power to cast votes in relation to resolutions of the Corporation, identified in the notice of the meeting, including the appointment and remuneration of an auditor and the election of directors and other special business;

2. The ability to attend such meeting and vote on matters at the meeting by ballot;

3. The ability for the Proxyholder to make decisions on behalf of the undersigned member according to the member's instructions.

Submit this online proxy by September 29, 2026 at 3:30 pm to secure your vote. If you require additional information, please contact us at DigSafety@OntarioOneCall.ca

COMPLETE THIS SECTION TO APPOINT A PROXY HOLDER

1. Appointment of PROXY. The undersigned member of Ontario One Call hereby appoints: (Please select your choice)

The Chair of the Board of Ontario One Call and I direct them to vote “in favour” to all the resolutions.

The Chair of the Board of Ontario One Call and I direct them to vote as instructed in Section 5 to all the resolutions.

A Senior Representative of your member organization (cannot represent a different member organization)

1.1 What is the name of the Senior Representative from your organization (who will be attending the Annual Meeting) that you would like to assign your vote to?

NOTE: If not attending, please leave blank

1.2 Proxyholder's Email Address:

1.3 In the event the above mentioned Representative is unwilling or unable to attend the Annual Meeting, I hereby appoint the person indicated below from my organization to be my Proxyholder in order to attend and act at the meeting of the Corporation on my behalf. Please indicate their name and email address below.

2. I acknowledge that this proxy will be acted upon unless revoked by myself in writing to Ontario One Call (DigSafety@OntarioOneCall.ca) on or before September 29, 2026 at 3:30 pm:

Yes, I acknowledge

3. Voting Member's Organization:

(Full name of corporation)

4. Subcategory of Membership in Ontario One Call:

(If you are not sure which sector your organization belongs to, please contact IAS@OntarioOneCall.ca)

5. I hereby direct the proxyholder to vote as follows on the questions contained in the notice of meeting and set out in the resolutions accompanying the notice:

5.1 Proposed Resolution No. 1: Elections of Directors excluding any appointed by the Minister as per the Act and Directors with assigned terms

Resolved that the Members hereby elect the following persons as directors of OOC for the terms set out opposite their names:

Name: Term:

Independent Directors

Veronica McAlea Major Three years

Glen Passadery Two years

Member representative

Michael Zahra Two years

In favour

Against

5.2 Proposed Resolution No. 2: Appointment of Incumbent Auditors: Resolved that the Members hereby appoint KPMG LLP as the auditor of Ontario One Call for the 2026 fiscal period

In favour

Against

Please review all the above information for accuracy before clicking the 'Finish' button below.

Today's Date:

Signature (the below electronic signature is legally binding)