21Vianet Group Shareholder Alert: Former SEC Attorney Willie Briscoe and Powers Taylor Investigate Possible Breaches of Fiduciary Duty by Officers and Directors

DALLAS---- Former United States Securities and Exchange Commission attorney Willie Briscoe, founder of The Briscoe Law Firm, PLLC, and the securities litigation firm of Powers Taylor LLP announce that a federal class action lawsuit has been filed against 21 Vianet Group, Inc. and several officers and directors for acts taken during the period of April 21, 2011 to September 10, 2014.