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.

He is presently the Chairman and Managing Director of Lee Hing Development Limited which is listed on The Stock Exchange of Hong Kong Limited.

Nil

He is :

1. a brother of Tan Lei Cheng, a Director and shareholder of IGB Berhad ("IGB")
2. a brother of Tan Boon Lee, an alternate Director and shareholder of IGB
3. a cousin of Dato' Seri Robert Tan Chung Meng, a Director and major shareholder of IGB
4. a cousin of Pauline Tan Suat Ming and Tony Tan Choon Keat, both are major shareholders of IGB

Nil

IGB 
- Ordinary Shares: 2,696,472 or 0.306% (Direct); 55,247,208 or 6.267% (Indirect)

IGB Real Estate Investment Trust 
- Units - 55,923 or 0.002% (Direct)

GTower Sdn Bhd
- Ordinary shares: 250,000 or 0.50% (Direct)