These are Singapore companies which have announced share buybacks on Thursday, 21 March 2019:
Bumitama Agri
Bumitama Agri bought back 100,000 shares in the market at S$0.6663 each for a total consideration, including other costs, of S$66,765, it said in a filing to SGX after the market close on Thursday.
SingHaiyi Group
SingHaiyi Group bought back 76,000 shares in the market at S$0.09201 each for a total consideration, including other costs, of S$7,039, it said in a filing to SGX after the market close on Thursday.