Appointment of new Non-Executive Director Hammerson plc (Incorporated in England and Wales) (Company number 360632) LSE share code: HMSO JSE share code: HMN ISIN: GB0004065016 (“Hammerson” or “the Company”) Director Change 21 December 2020 Appointment of new Non-Executive Director Hammerson announces the appointment of Mike Butterworth as a Non-Executive Director with effect from 1 January 2021. Mike will also become a member of the Audit Committee. Mike brings 25 years’ experience in senior finance roles in FTSE 250, Small Cap and AIM businesses across a broad range of sectors including manufacturing, technology, communications, healthcare and beverages. He was CFO of Incepta Group, prior to its acquisition by Huntsworth in 2005, and then Cookson Group until its demerger in 2012. He also has extensive Board experience and is currently Non-Executive Director and Chair of the Audit Committee at Pressure Technologies Plc and at Stock Spirits Group Plc. A graduate of Oxford, Mike started his early career with Arthur Andersen. The Board also announces that Gwyn Burr will remain on the Board for an extended period of up to 12 months, subject to shareholder approval. Gwyn will have given nine years of service in May 2021 and was due to step down at the 2021 AGM. The addition of Mike to the Board, together with the extension of Gwyn’s term, will facilitate Board continuity and allow for transitioning of key committee Chairs over time. Robert Noel, Hammerson Chair of the Board commented: “We are pleased to welcome Mike to the Board. He has extensive financial experience and has worked across a range of sectors, which will complement and enhance the existing skills we have at Board level and bring a valuable and fresh perspective. Meanwhile, we are delighted to retain Gwyn’s experience for an extended period as we navigate a transitional period for the Company and the Board.” Mike Butterworth is currently a Non-Executive Director and Chair of the Audit Committee at Pressure Technologies Plc and Stock Spirits Group Plc. In the last five years, he has served as a Non-Executive Director of Kin and Carta Plc, Cambian Group Plc and Johnston Press Plc. In March 2018, Johnston Press Plc announced a strategic review, which resulted in its filing for administration in November 2018, after an unsuccessful sale process. There are no further matters in connection with this appointment to be disclosed under Listing Rule 9.6.13. Hammerson has its primary listing on the London Stock Exchange and a secondary inward listing on the Johannesburg Stock Exchange. Sponsors: Investec Bank Limited ENDS Investor Contact Josh Warren, Hammerson, Head of Investor Relations Tel: +44 20 7887 1053 josh.warren@hammerson.com Media Contact Catrin Sharp, Head of Corporate Communications Tel: +44 20 7887 1063 catrin.sharp@hammerson.com FTI Consulting +44 (0)20 3727 1000 Dido Laurimore +44 (0) 7801 654 424 John Waples +44 (0) 7717 814 520 Richard Gotla +44 (0) 7904 122 207 Hammerson@fticonsulting.com Date: 21-12-2020 09:00:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.