SCHEDULE A

 

DIRECTORS AND EXECUTIVE OFFICERS OF THE REPORTING PERSONS

 

Set forth below are the names, present principal occupations or employment, business addresses and citizenship of the directors and executive officers of Hegro Well Pte. Ltd. (“Hegro”) and Xi’an Gewei Petroleum Equipment Co., Ltd. (“Xi’an Gewei”). Unless otherwise indicated, the business address of each person listed below is c/o GOWell Energy Technology, 1 Bulim Lane 2, #04-51/54, Singapore 648110.

 

Hegro Well Pte. Ltd.

 

Name   Position with
Hegro		   Present Principal Occupation or Employment   Business Address   Citizenship
Wenhua Liu   Director   Director of GOWell Energy Technology   1 Bulim Lane 2, #04-51/54, Singapore 648110   People’s Republic of China
Xi Zhang   Director   Chairman of the Board of Directors of GOWell Energy Technology   1 Bulim Lane 2, #04-51/54, Singapore 648110   People’s Republic of China
Yap Yong Sheng   Director   -  

190 MIDDLE ROAD, #15-01, FORTUNE CENTRE,

SINGAPORE 188979

   Malaysian

 

Xi’an Gewei Petroleum Equipment Co., Ltd.

 

Name   Position with
Xi’an Gewei		   Present Principal Occupation or Employment   Business Address   Citizenship
Xi Zhang   Director   Chairman of the Board of Directors of GOWell Energy Technology   1 Bulim Lane 2, #04-51/54, Singapore 648110   People’s Republic of China
Wenhua Liu   Director   Director of GOWell Energy Technology   1 Bulim Lane 2, #04-51/54, Singapore 648110   People’s Republic of China
Fengkai Guo   Director   -   #20 Jinye Road, Xian, China 710076   People’s Republic of China
Yihua Chen   Director   -   #20 Jinye Road, Xian, China 710076   People’s Republic of China
Yulin Li   Director   -   #20 Jinye Road, Xian, China 710076   People’s Republic of China