Margin addendum to account agreement (continued) The rights of DBSI end Pershing shall include the right to buy all Securities and Other Property which may be short in such account to cancel any open orders and to dose any or all outstanding contracts, all without demand for margin or additional margin, notice of sale or purchase or other notice or advertisement, each of which is expressly waived. Upon a default Client will also bear the cost of preserving the value of collateral, including hedging transactions that may be executed at DBSI or Pershing's discretion. Any sales or purchases hereunder may be made at on any exchange or other market where such business is usually transacted, or at public auction or private sale, and DBSI or Pershing may be the purchaser for its own account. Client understands that any prior demand, or call or prior notice of the time and place of such sale or purchase shall not be considered a waiver of the right to sell or buy without demand or notice as provided herein. Client further understands and agrees that if 08SI or Pershing permits Client a period of time in which to satisfy a call, the granting of that period of time shall not in any way waive or dlininIsh the right of DBSI or Pershing to shorten the time period in which Client must satisfy the call, including an outstanding call, or to demand that a call be satisfied immediately. Client further understands that liquidations may involve sales of positions in Client's Account(s) that are as great as the full indebtedness owed by Client. 8. Reg T Extensions. Client authorizes OBSI, at its discretion, to request and obtain extension(s) of Client's time to make payment for securities Client purchases, as provided for by Federal Reserve Bank Regulation T. 9. Short Sales of Securities. Client understands that before executing a Short Sale, OBSI or Pershing is generally required to make an affirmative determination as to whether DBSI or Pershing will receive delivery