Grainger plc (the "Company")

Employee Benefit Trust Share Purchase

The Company confirms that on 16, 17 and 18 May 2023, Computershare Trustees (Jersey) Limited, acting as trustee of the Grainger plc Employee Benefit Trust (the "EBT"), purchased in the market a total of 921,278 Ordinary shares of nominal value 0.05 pence each in the capital of the Company in 3 tranches as follows: 281,602 shares at £2.539 per share; 74,779 shares at £2.545 per share and 564,897 shares at £2.556 per share.

Immediately following settlement of the above transaction, the EBT will hold 1,443,118 Ordinary shares, representing 0.19% of the Company's issued share capital with voting rights. All shares held by the EBT will ultimately be used to satisfy share awards and options granted under the Company's various share incentive arrangements. 

The Executive Directors and Persons Discharging Managerial Responsibility of the Company, together with other employees, are included in the potential beneficiaries of the EBT and are therefore treated as having an interest in some of those shares and the dealings thereof.

The Company's issued share capital as at 19 May 2023 is 741,531,056 ordinary shares of 5p each ("Shares") with voting rights (the "Voting Rights Figure") and 1,506,300 Shares in Treasury.

For and on behalf of Grainger plc

Adam McGhin

Group General Counsel and Company Secretary