Lim holds 163,699,808 ordinary shares in the company, and has been executive director and CEO since July 2019.
Pek, the incoming CEO, is presently an executive director of United Petroleum International Holdings. He was previously a non-executive director of Energy Market Authority of Singapore, and CEO and director of Cronus Resources.
Shares in H2G Green Limited closed flat at 0.6 cents on May 27.