Name of Mine, Production Facility or Transport Operation

Tongsuh Petrochemical Corp., Ltd.


Signatory Ownership Position

100%

Name of Operating Company

Tongsuh Petrochemical Corp., Ltd.


Operation Address / Location

108-70, Sapyeong-ro
Nam-gu Ulsan-city 44785
South Korea


Date of Certification

April 19, 2023

Date of Initial Certification

March 10, 2008

Signatory Date*

November 20, 2006