Shares of Tata Consultancy Services will turn ex-bonus on Thursday. TCS announced a 1:1 bonus for its shareholders on its 50th anniversary even as its brand value crossed $10 billion. Investors wishing to receive the bonus shares need own TCS shares by Wednesday and the company has set June 2 as the record date. This will be the third bonus offering by the company since its listing in 2004. F&O of TCS will also adjust to the price from Thursday.