Tan Sri Dato' Seri Lee Oi Hian joined Kuala Lumpur Kepong Berhad ("KLK") in 1974 as an executive and was subsequently appointed to the Board of KLK on 1 February 1985. In 1993, he was appointed as the Group's Chairman/Chief Executive Officer ("CEO") and held the position until 2008, when he relinquished his role as Chairman, but remained as Executive Director and CEO of the Group.

Tan Sri Dato' Seri Lee Oi Hian is the brother of Dato' Lee Hau Hian, a Director and major shareholder of KLK, and the father of Mr. Lee Jia Zhang, the Chief Operating Officer/Executive Director of KLK. He is deemed connected with Batu Kawan Berhad, one of the major shareholders of KLK.

Tan Sri Lee is deemed interested in various related party transactions with the KLK Group.

1) Direct interest - 151,112 shares in KLK
2) Deemed interest - 515,223,496 shares in KLK