Carbon emission information disclosure

Biel Crystal High Technology (Huizhou) Company Limited：Every year, Biel conduct accounting for plantwide greenhouse gas (GHG) emission. According to the measurement from a third-party agency, in 2022, the total GHG emissions were 402,524.83 tons of CO2 equivalent.

Biel Crystal Precision (Huizhou) Company Limited：For Biel Crystal Precision (Huizhou) Company Limited Pte Ltd., the total greenhouse gas (GHG) emissions from January 1, 2022 to December 31, 2022 were 299,806.08 tons of CO2 equivalent (including range three).