Cassiar Asbestos Corporation Limited

INFORMATION CIRCULAR

Solicitation of Proxies

This statement is furnished by the management of Cassiar Asbestos Corporation Limited, hereinafter
called the “Company”, in connection with the solicitation of proxies for use at the Annual Meeting of
Shareholders of the Company to be held at the Quebec Room, Royal York Hotel, 100 Front Street West,
Toronto, Ontario on Wednesday, April 17, 1974, at 10:00 o’clock in the forenoon for the purpose set out in
the accompanying notice of meeting.

Solicitation is being made by mail, which may be supplemented by telephone or other personal contact,
to be made without special compensation by officers and employees of the Company. The Company will bear
all expenses in connection with the solicitation of proxies but the Company will not reimburse shareholders,
their nominees or agents for any costs incurred in obtaining from their principals instruments of proxy or
authorization to execute such proxies.

IN THE EVENT OF YOUR NOT BEING PRESENT AT THE ANNUAL MEETING, THE
MANAGEMENT OF THE COMPANY SOLICITS YOUR PROXY AND YOU ARE REQUESTED
TO FILL IN, DATE, SIGN AND RETURN THE ENCLOSED INSTRUMENT OF PROXY.

The shares represented by such proxy will be voted at the meeting and, where a choice with respect
to any matter to be acted upon has been specified in the proxy, the shares, subject to the Canada Corporations
Act, will be voted in accordance with the specification so made. WHERE NO CHOICE IS SPECIFIED
WITH RESPECT TO ANY MATTER, THE SHARES SO REPRESENTED WILL BE VOTED IN
FAVOUR OF SUCH MATTER.

Revocability of Proxy

Any proxy given by a registered shareholder may be revoked by notice in writing executed by the
shareholder or his attorney authorized in writing or, if the shareholder is a corporation, under its corporate
seal or by an officer or attorney thereof duly authorized, and deposited either at the head office of the Company
at any time up to and including the last business day preceding the day of the meeting, or any adjournment
thereof, at which the proxy is to be used, or with the chairman of the Annual Meeting on the day of the
meeting or adjournment thereof which shall be a valid revocation of such proxy, except as to any matter in
which a vote may already have been cast pursuant to the authority conferred by such proxy.

Voting Shares and Principal Holders Thereof

As of March 18, 1974, the authorized capital of the Company is 5,500,000 shares without nominal
or par value, all of which are issued and outstanding as fully paid and non-assessable. Only shareholders of
record on April 17, 1974, the date of the Annual Meeting, are entitled to vote thereat. The registered
holders of all shares are entitled, at the Annual Meeting, to one vote for each share held.

To the knowledge of the directors and officers of the Company, the following are the only shareholders
beneficially owning, directly or indirectly, 10% or more of the issued and outstanding shares of the Company.

PAGE SEVEN