17 September 2019

CLEANTECH BUILDING MATERIALS PLC, NASDAQ FIRST NORTH, COPENHAGEN

TICKER: CBM

Cleantech Building Materials plc

GRANT OF OPTIONS

The Directors of Cleantech Building Materials plc (“CBM” or the “Company”), announce that the Company has today granted options to purchase 4,251,469 ordinary shares of £0.10 each (“Ordinary Shares”) in the Company to certain directors of the Company and members of its senior management team (“Options”).

All of the Options have the same terms which include an exercise price of €1.25, a vesting period under which 25% of the Options granted are exercisable from 17 September 2020, and the remaining 75% are exercisable in three tranches of 25% each upon the completion of defined conditions. The options granted have an expiry date of ten years from today’s date and any options not exercised will lapse at that date.

The Options granted include a grant to Jason Hung-Wen Wang, director of the Company and Chief Executive Officer, and Wei Zou, director and Chief Financial Officer, who have been respectively been granted Options over 759,191 Ordinary Shares and a grant to Paul Richards, director and Chairman of the Company, who has been granted Options over 303,676 Ordinary Shares.

Following the recent announcements regarding the Company’s plan to construct the first Accoya^® wood factory in China with Nantong Acetic Acid Chemical Co. Ltd (“Nantong”), an international Chinese chemical group, and the signing of a subscription agreement for €15,000,000 with a private family office to finance its share of the project financing, the Directors believe that the Options are important to retain and incentivise the senior management team to deliver on the Company’s strategy to finance and build the first Accoya^® Wood factory in China.

THE DIRECTORS OF CLEANTECH BUILDING MATERIALS PLC ACCEPT RESPONSIBILITY FOR THE CONTENTS OF THIS ANNOUNCEMENT

Further information may be found at the Company's website at www.cbm-plc.com

Further Enquiries:

The information communicated in this announcement is “inside information” for the purposes of article 7 of the Market Abuse Regulation 596/2014.