CNSWF Constellation Software Inc (PK)

The Filer is incorporated or organized under the laws of Canada and has its principal place of business at:

100 University Avenue, 8th Floor

Toronto, Ontario M5J 2Y1, Canada

Telephone Number: (416) 263-9324

The Filer designates and appoints Computershare Trust Company, N.A. (“Agent”), located at:

6200 S. Quebec St.

Greenwood Village, CO 80111

Telephone Number: (440) 502-7892

as the agent of the Filer upon whom may be served any process, pleadings, subpoenas, or other papers in:

(a) any investigation or administrative proceeding conducted by the Securities and Exchange Commission (“Commission”); and

(b) any civil suit or action brought against the Filer or to which the Filer has been joined as defendant or respondent, in any appropriate court in any place subject to the jurisdiction of any state or of the United States, or of any of its territories or possessions, or of the District of Columbia, where the investigation, proceeding or cause of action arises out of or relates to or concerns any offering made or purported to be made in connection with the securities in relation to which the Filer acts as trustee pursuant to Rule 10a-5 under the Trust Indenture Act of 1939. The Filer stipulates and agrees that any such civil suit or action or administrative proceeding may be commenced by the service of process upon, and that service of an administrative subpoena shall be effected by service upon such agent for service of process, and that the service as aforesaid shall be taken and held in all courts and administrative tribunals to be valid and binding as if personal service thereof had been made.

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