The Alumasc Group plc

("the Company")

PCA/PDMR dealings

            21 November 2025                            

The Alumasc Group plc notifies that on 20 November 2025 notification was received that Mrs Luan Leaf, a person closely associated to Mr Michael Leaf, an Executive Director of the Company, exercised 15,000 options over Ordinary Shares of 12.5p each ("Ordinary Shares) at an exercise price of 150p, held under the 2022 Alumasc Employee Option Scheme ("the Option Scheme"). Following the exercise Mrs Leaf sold the 15,000 Ordinary Shares at a price of 287.5p each.

Following the above transactions Michael Leaf's total holding (including shares held by his Closely Associated Person) remains unchanged as below:

On the same day Helen Ashton, a PDMR of the Company, exercised 15,000 options held under the 2022 Option Scheme at an exercise price of 150p each. Following this exercise Helen Ashton sold 11,146 Ordinary Shares at a price of 287.5p each to cover associated costs, whilst retaining 3,854 of the new Ordinary Shares. Following the above transactions, Helen Ashton holds 23,671 Ordinary Shares, representing 0.066% of the Company's issued share capital.

Settlement of the above awards was made from existing Ordinary Shares held by the Employee Benefit Trust.

Enquiries: