This excerpt taken from the C DEF 14A filed Jun 18, 2009.
A: If you have tendered Public Preferred Depositary Shares in exchange for common stock in connection with the Exchange Offers and we accept your Public Preferred Depositary Shares for exchange, your Tendering Voting Instruction will become irrevocable, and you will be unable to change or revoke your Tendering Voting Instruction after we have accepted your Public Preferred Depositary Shares for exchange on the expiration date of the Exchange Offers. You may withdraw your tender of Public Preferred Depositary Shares at any time prior to the expiration date of the Exchange Offers. Valid withdrawal of your tender will automatically revoke your Tendering Voting Instruction with respect to the Public Preferred Stock Amendments.
If you did not tender your Public Preferred Depositary Shares in an Exchange Offer and granted a Non-Tendering Voting Instruction or if you hold shares of common stock that were not issued in the Exchange Offers and granted your proxy, you may change or revoke your Non-Tendering Voting Instruction or proxy at any time before the earlier of the Proxy Deadline and the date on which we receive enough proxies and Voting Instructions authorizing written consents in favor of the Dividend Blocker Amendment, the Director Amendment, the Retirement Amendment or the Authorized Preferred Stock Increase to approve such Public Preferred Stock Amendments. If you wish to revoke or withhold your previously granted proxy or Non-Tendering Voting Instruction prior to the Proxy Deadline, you may do so by:
If you are a beneficial owner of common stock or Public Preferred Depositary Shares and wish to change your instruction on how to vote your proxy or Non-Tendering Voting Instruction given to your bank, broker, custodian or other nominee, you will need to follow the procedures established by them in order to revoke your proxy or Non-Tendering Voting Instruction.