IGB Berhad announced appointment of Tan Boon Seng as Non Independent and Non Executive Alternate Director. Date of Change October 12, 2020. Tan Boon Seng was an executive director of IGB Corporation Berhad, a company listed on Bursa Malaysia and was delisted on 16 March 2018. He was also a non-independent non-executive director of PureCircle Limited, a company listed on the London Stock Exchange for the period from 11 November 2019 to 31 December 2019.