These are Singapore companies which announced share buybacks on Wednesday, 20 March 2019:
Singapore Exchange
Singapore Exchange bought back 46,748 shares in the market at S$7.34 to S$7.37 each for a total consideration, including other costs, of S$343,461, it said in a filing to SGX after the market close on Wednesday.
The shares will be used to fulfill obligation under the company’s share-based remuneration and restricted share plans, SGX said.