Grainger plc (the "Company")

Employee Benefit Trust Share Purchase

The Company confirms that on 19, 22, 23 and 24 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 2,078,722 Ordinary shares of nominal value 0.05 pence each in the capital of the Company in 4 tranches as follows: 366,660 shares at £2.55 per share; 492,585 shares at £2.58 per share; 147,092 shares at £2.61 per share and 1,072,385 shares at £2.58 per share.

Immediately following settlement of the above transaction, the EBT will hold 3,521,840 Ordinary shares, representing 0.47% 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 25 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