Credit Rating publication released 2017

Aster Treasury PLC (the 'Company')

07 December 2017

Aster Group's Credit Rating by Standard & Poor ('S&P') Confirmed as Unchanged

The Company announces that on 6th December 2017 S&P confirmed Aster Group's credit rating remained unchanged at A+ (stable outlook).

A copy of the S&P Notice is available for review on the Company's website at

https://www.aster.co.uk/corporate/about-us/investor-relations#credit-rating

Aster Treasury PLC

Chris Benn, Group Finance Director

Registered Office:

Sarsen Court

Horton Avenue

Cannings Hill

Devizes

Wiltshire

SN10 2AZ

Telephone: 01202 308682

[email protected]