Z BIOTECH INC.

# 472, E9 Bldg., 1 Chungdaero, Seowongu, 28644 Cheongju-si Korea, Republic Telephone +82 43 278-0075 Fax +82 43 278-0074 support@zetbio.com http://www.zetbio.com

Yujin Robot Co., Ltd.

33, Hamorny-ro, 187 beon-gil, Yeonsu-gu, 22013 Incheon Korea, Republic Telephone +82 70 46577072 Fax +82 2 21040450 gocart@yujinrobot.com http://gocart.yujinrobot.com

YoungWon Medical Co., Ltd.

3DA 308, Sihwa Indsutrial Complex 1281-7, Siheung-Si, Gyeonggi-do, 429-850 Siheung-Si Korea, Republic Telephone +82 31 484-4516 Fax +82 31 484-4234 youngwon@youngwonmd.co.kr http://www.youngwonmd.co.kr

Young Chemical Co., Ltd.

80-93, Golden root-ro, Juchon-myeon, 50969 Gimhae-si, Gyeongsangnam-do Korea, Republic Telephone +82 55 3651361 Fax +82 55 3679523 yc@youngchemical.co.kr http://www.youngchemical.co.kr

YD Diagnostics Corporation

76, Seori-ro, Idong-myeon, Cheoin-gu, 449-834 Yongin-si, Gyeonggi-do Korea, Republic Telephone +82 31 3292011 Fax +82 31 3292002 admin@yd-diagnostics.com http://www.yd-diagnostics.com

ybrain Inc.

C802 Pangyo Digital Center, 242 Pangyo-ro, Bundang-gu, 13487 Seongnam-si Korea, Republic Telephone +82 10 94866736 inquiries@ybrain.com http://www.ybrain.com

Xenosys Co., Ltd.

2, Venture-ro, 100 Beon-gil, Yeonsu-gu, 22013 Incheon Korea, Republic Telephone +82 32 8759811-2 Fax +82 32 8759813 sales@xenosys.co.kr http://www.xenosys.co.kr

Woosam Medical Co., Ltd.

6 Floor, 4, Daehak-ro 12-gil, Jongno-gu, 03086 Seoul Korea, Republic Telephone +82 2 7430781 Fax +82 2 7444779 jade@woosam.co.kr http://www.woosam.co.kr

Woo Young Medical Co., Ltd.

98, Sangsin 2-gil, Jincheon-eup, Jincheon-gun, 27846 Chungcheongbuk-do Korea, Republic Telephone +82 43 536-0291 Fax +82 2 6959-6002 anniey87@wooyoungmed.com http://www.wooyoungmed.com