The 2nd Extraordinary General Meeting of Shareholders notice of setting base date

In Accordance with Article 354 of the Commercial Act and Article 13 of the Articles of Incorporation,

we announce the standard date to grant voting rights to shareholders listed on the shareholders' list as of October 29, 2019.

October 14, 2019

B-1509, 168, Gasan digital 1-ro, Geumcheon-gu, Seoul, 08507, Republic of Korea

Diagen Co, inc.

CEO Cha Wang-Jo, CFO Noh Sung-Hyuk

Transfer agent Korea Securities Depository

CEO Lee Byung-Rae