**ADVISORY WARNING** Penson Under Investigation images.investorshub.advfn.com/images/uploads/2011/6/25/fvzfvbreakingnews3.gif images.investorshub.advfn.com/images/uploads/2011/6/25/wrhllpenson_WORLDWIDE.jpg Penson Worldwide, Inc. Under Investor Investigation Over Possible Violations Of Securities Laws http://shareholdersfoundation.com/caseinvestigation/penson-worldwide-inc-under-investor-investigation-over-possible-violations-securit Penson Clearing Firm Rattles Investors http://online.barrons.com/article/SB50001424052970203869804576327382200170672.html?ru=yahoo&mod=yahoobarrons images.investorshub.advfn.com/images/uploads/2011/6/25/jhovmPenson_Wordwide.gif Penson Discontinues Execution for Certain Non-DTCC Eligible Securities Effective May 2, 2011 http://www.tradingdirect.com/Static/StandAlone/non_dtcc_memo.html Penson issues Notice June 24,2011 http://investorshub.advfn.com/boards/read_msg.aspx?message_id=64598037 PENSON Update: June 25,2011 Important Notice to All Correspondents – New Low Priced Securities Deposit Policy http://investorshub.advfn.com/boards/read_msg.aspx?message_id=64615035 images.investorshub.advfn.com/images/uploads/2011/6/25/ibgygjustice_lmao.jpg Non-DTCC eligible stock list http://www.tradingdirect.com/Static/StandAlone/non_dtcc_list.pdf#zoom=80% Clearing Firms By Broker http://www.onlinebrokerrev.com/2011/01/broker-clearing-firms.html Clearing firms used by the top independent broker-dealers http://www.investmentnews.com/article/20081214/CHART/812119919 images.investorshub.advfn.com/images/uploads/2011/6/25/lxfglap_chris-cox-475px121609.jpg This has been an announcement by your local service provider