Johnson Matthey announces completion of the sale of its Catalyst Technologies business to Honeywell

Johnson Matthey Plc ("JM") is pleased to announce that it has completed the sale of its Catalyst Technologies business to Honeywell Technologies ("Honeywell") on 17^th July 2026 for an enterprise value of £1,325 million on a cash and debt-free basis.

Liam Condon, Chief Executive Officer, commented:

We are pleased to have completed the sale of Catalyst Technologies to Honeywell. This is a significant milestone for Johnson Matthey as we transform into a focused, lean and cash generative group, underpinned by our world leading PGM expertise. We are grateful to our Catalyst Technologies colleagues for their significant contributions to Johnson Matthey over the years and wish the whole team every success for the future.

As announced on 23^rd February 2026, and subject to shareholder approval, the Board confirms its intention to return £1 billion of net sale proceeds to JM shareholders, comprising
£800 million through a special dividend with share consolidation and £200 million through an on-market share buyback programme.

The special dividend is expected to be paid in the third quarter of calendar year 2026 and a circular and notice of general meeting setting out details of the proposed special dividend with share consolidation will be published in due course. The share buyback programme will commence following payment of the special dividend. This return of net sale proceeds is in addition to JM's ongoing shareholder returns policy¹.

For the purposes of UK Listing Rule 7.3.3, JM confirms that there has been no material change affecting any matter contained in JM's announcements on 22^nd May 2025 and
23^rd February 2026.

ENDS