Global Headquarters

MECS, Inc.

(subsidiary of Elessent Clean Technologies Inc.)

575 Maryville Centre Drive, Suite 400

St. Louis, MO 63141

USA

Phone: +1 314.275.5700

Fax: +1 314.275.5701

Refining Technology Solutions LLC

(subsidiary of Elessent Clean Technologies Inc.)

6363 College Boulevard, Suite 300

Overland Park, KS 66211

USA

Phone: +1 913.338.2559

Fax: +1 913.338.0003

MECS^® Catalyst Manufacturing Plant (Avon Plant)

1778 Monsanto Way

Martinez, CA 94553

USA

Satellite Offices

Calgary, Canada

Houston, TX, USA

Satellite Offices

Buenos Aires, Argentina

Sao Paulo, Brazil

Santiago, Chile

Mexico City, Mexico

EMEAI Headquarters

MECS Europe/Africa BV

(subsidiary of Elessent Clean Technologies Inc.)

I. Vandammestraat 7, Building B

1560 Hoeilaart

Belgium

Phone: +32 02.658.26.55

Satellite Offices

Germany

Mumbai, India

Hyderabad, India

Italy

Morocco

Saudi Arabia

Johannesburg, South Africa

Geneva, Switzerland

AP Headquarters

MECS Chemical Plants Equipment (Shanghai) Co. Ltd.

(subsidiary of Elessent Clean Technologies Inc.)

Units 03, Floor 19, New Bund Shun Tak Center, No.18, Lane 666, West Haiyang Road, Pudong New District

Shanghai, China

上海市浦东新区海阳西路666弄18号前滩信德中心19层03单元

Phone: +86.21.2058.9000

Fax: +86.21.2058.9009

Beijing Branch, MECS Chemical Plants Equipment

(Shanghai) Co. Ltd.

(subsidiary of Elessent Clean Technologies Inc.)

Room 2401-28, Level 24, China World Office 2,

No. 1 Jianguomenwai Avenue, Chaoyang District

Beijing, 100004 P.R. China

北京市朝阳区建国门外大街1号国贸写字楼2座24层2401-28室

邮编: 100004

Phone: +86.10.5929.8628

MECS Far East Ltd. (Hong Kong)

(subsidiary of Elessent Clean Technologies Inc.)

Room 702, 7th Floor, China Life Center, Tower A,

One HarbourGate, No. 18 Hung Luen Road

Hung Hom, Kowloon, Hong Kong

Phone: +852.2734.5345

Fax: +852.2907.0033

PT MECS MandR Solution (subsidiary of Elessent Clean Technologies Inc.)

Room 15, Level 2

Jl. Pluit Selatan Raya No. 1

Penjaringan, Jakarta Utara

Indonesia

Satellite Offices

Chengdu

Taipei