Publication of Suppl.Prospcts

22 June 2018

JOHN LAING ENVIRONMENTAL ASSETS GROUP LIMITED

("JLEN" or the "Company")

Publication of Supplementary Prospectus

JLEN has today published a supplementary prospectus (the "Supplementary Prospectus") which is supplemental to, and should be read in conjunction with, the Company's prospectus published on 23 February 2018 (the "Prospectus") in connection with the issuance programme of up to 200,000,000 New Ordinary Shares.

The Supplementary Prospectus is required following the announcement of the Company's annual results for the year ended 31 March 2018, which constitute a significant new factor relating to information included in the Prospectus.

A copy of the Supplementary Prospectus has been submitted to the National Storage Mechanism and will shortly be available for inspection at www.morningstar.co.uk/uk/NSM.

The Supplementary Prospectus will also be available shortly on the Company's website, http://www.jlen.com.

A copy of the Supplementary Prospectus and Prospectus can be viewed at the offices of Hogan Lovells International LLP, Atlantic House, Holborn Viaduct, London, EC1A 2FG and at the registered office of the Company until 22 February 2019.

Unless otherwise defined, capitalised words and phrases in this announcement shall have the meaning given to them in the Supplementary Prospectus.

For further information please contact:

LEI: 213800JWJN54TFBMBI68