Net Asset Value and Dividend Declaration

30 May 2019

JOHN LAING ENVIRONMENTAL ASSETS GROUP LIMITED

("JLEN" or the "Company")

Net Asset Value, Dividend and Notices of Annual Results Announcement

JLEN, the listed environmental infrastructure fund, announces that its unaudited Net Asset Value ("NAV") as at 31 March 2019 is £520.3 million (104.7 pence per share), an increase of 1.9 pence per share since the last published NAV as at 31 December 2018.

The Company also announces a quarterly interim dividend of 1.6275 pence per share for the period from 1 January 2019 to 31 March 2019.

Together with the interim dividends paid during the financial year to date of 4.8825 pence per share, the Company will have paid total dividends of 6.51 pence per share in respect of the year ended 31 March 2019, in line with the dividend target set out in the 2018 Annual Report.

Dividend Timetable

Ex-dividend date: 6 June 2019

Record date:  7 June 2019

Payment date: 28 June 2019

The Company also announces an increase in the target dividend for the upcoming financial year to 6.66 pence per share, in line with inflation, for the financial year to 31 March 2019.

As previously announced, the Company intends to announce its audited results for the year ended 31 March 2019 on 13 June 2019. A meeting for analysts will take place at 09.00 a.m. at Newgate Communications, Sky Light City Tower, 50 Basinghall Street, London EC2V 5DE.

To register for the meeting, or for further details and instructions on how to connect to the meeting via a conference call facility, please contact Newgate Communications on +44 (0) 20 3757 6880, or by email on JLEN@newgatecomms.com .

This announcement contains information that is inside information for the purposes of the Market Abuse Regulation (EU) No. 596/2014.

For further details contact:

About JLEN

JLEN's investment policy is to invest in environmental infrastructure projects that have the benefit of long-term, predictable, wholly or partially inflation-linked cash flows supported by long-term contracts or stable regulatory frameworks.

Environmental Infrastructure is defined by the Company as infrastructure projects that utilise natural or waste resources or support more environmentally-friendly approaches to economic activity. This could involve the generation of renewable energy (including solar, wind, hydropower and biomass technologies), the supply and treatment of water, the treatment and processing of waste, and projects that promote energy efficiency.

JLEN's aim is to provide investors with an annual dividend that is sustainable and increases in line with inflation. The target dividend for the year to 31 March 2020 is 6.66 pence per share. The dividend is payable quarterly.

Further details of the Company can be found on its website www.jlen.com

LEI: 213800JWJN54TFBMBI68