Proxy Material

Proxy Material

Special Meeting

A Special Meeting of Shareholders will be held at Hotel Sofitel Philadelphia, 120 S. 17th Street, Philadelphia, PA 19103 on November 15, 2017 at 10:00 a.m. (Local Time)

Information About Voting

Record Holders. If you are a shareholder of record of our Class A Common Stock or Class B Common Stock as of the close of business on October 12, 2017, you may vote your shares:

By Proxy: You may vote your shares via a toll-free telephone number (1-800-PROXIES (1-800-776-9437)) or over the Internet (http://www.voteproxy.com) as instructed in the Proxy Materials.

In Person: You may attend the Special Meeting and vote in person.

Beneficial Holders. If you are not a shareholder of record of our Class A Common Stock and instead hold your shares in “street name” (i.e., in the name of a bank, broker or other holder of record), you may receive a Notice from the holder of record containing instructions that you must follow in order for your shares to be voted. Certain of these institutions offer telephone and Internet voting.