Altus Group Limited — AGM Information 2021

Mar 20, 2021

ALTUS GROUP LIMITED

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

WHEN : Wednesday, May 5, 2021 VIRTUALLY : https://web.lumiagm.com/417815141 11:00 a.m. Password: altus2021

BUSINESS OF THE MEETING:

1. to receive the audited consolidated financial statements of Altus Group Limited (the " Company ") for the financial year 2020 and the auditor’s report thereon;

2. to elect the Company’s directors;

3. to appoint Ernst & Young LLP as the Company’s auditor for the financial year 2021 and to authorize the Board of Directors to fix the auditor’s remuneration;

4. to consider an advisory resolution on the Company’s approach to executive compensation; and

5. to transact such other business as may properly come before the Annual General Meeting of Shareholders or at any adjournment or postponement thereof (the “ Meeting ”).

The items of business covered at the Meeting are discussed in more detail beginning at page nine of the management information circular.

Shareholders of record as of the close of business on March 19, 2021 will be entitled to receive notice of, and vote at, the Meeting. There were 41,131,320 common shares of the Company outstanding on March 19, 2021.

We use the “ Notice and Access ” system for delivery of our proxy materials to our shareholders. This means we will post the proxy materials on our website and on the System for Electronic Document Analysis and Retrieval (“ SEDAR ”). Shareholders will receive a notice that explains how to access the proxy materials (including the management information circular, consolidated financial statements and our management’s discussion and analysis for 2020) on our website, www.altusgroup.com and on www.sedar.com and how to request a paper copy of the proxy materials.

As part of our priority to protect the health and safety of our investors, employees and stakeholders, in light of the current COVID-19 pandemic, we are planning to hold a virtual 2021 Annual General Meeting only via live webcast at 11:00 a.m. on Wednesday, May 5, 2021. For more information about how to attend, ask questions and vote at or prior to the Meeting, see pages three to eight of this Circular.

DATED at Toronto, Ontario, this 19[th] day of March, 2021.

By Order of the Board of Directors

(signed) “Liana L. Turrin”

Liana L. Turrin General Counsel & Corporate Secretary