TR-1: Standard form for notification of major holdings Investec Limited Investec plc Incorporated in the Republic of South Africa Incorporated in England and Wales Registration number 1925/002833/06 Registration number 3633621 JSE share code: INL LSE share code: INVP NSX share code: IVD JSE share code: INP BSE share code: INVESTEC ISIN: GB00B17BBQ50 ISIN: ZAE000081949 LEI: 2138007Z3U5GWDN3MY22 LEI: 213800CU7SM6O4UWOZ70 As part of the dual listed company structure, Investec plc and Investec Limited (together “Investec”) notify both the London and Johannesburg Stock Exchanges of matters which are required to be disclosed under the Disclosure Guidance and Transparency Rules and the Listing Rules of the Financial Conduct Authority (the “FCA”) and/or the JSE Listings Requirements. Accordingly, we advise of the receipt of the following TR-1 notification: TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB00B17BBQ50 Issuer Name INVESTEC PLC UK or Non-UK Issuer UK 2. Reason for Notification An acquisition or disposal of financial instruments 3. Details of person subject to the notification obligation Name M&G Plc City of registered office (if applicable) London Country of registered office (if applicable) UK 4. Details of the shareholder Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above City of registered office (if applicable) Country of registered office (if applicable) 5. Date on which the threshold was crossed or reached 23 July 2021 6. Date on which Issuer notified 26 July 2021 7. Total positions of person(s) subject to the notification obligation % of voting % of voting rights Total number Total of both rights attached through financial of voting . in % (8.A + to shares (total instruments (total rights held in 8.B) of 8.A) of 8.B 1 + 8.B 2) issuer Resulting situation on the date on which 10.846000 0.286850 11.132850 77493832 threshold was crossed or reached Position of previous 11.082550 0.037490 11.120040 notification (if applicable) 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached 8A. Voting rights attached to shares Class/Type of Number of Number of % of direct % of indirect shares ISIN direct voting indirect voting voting rights voting rights code(if rights (DTR5.1) rights (DTR5.2.1) (DTR5.1) (DTR5.2.1) possible) GB00B17BBQ50 75497100 10.846000 Sub Total 8.A 75497100 10.846000% 8B1. Financial Instruments according to (DTR5.3.1R.(1) (a)) Number of voting Type of rights that may be Expiration Exercise/conversion % of voting financial acquired if the date period rights instrument instrument is exercised/converted GB00B17BBQ50 1996732 0.286850 (Right of recall) Sub Total 8.B1 1996732 0.286850% 8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b)) Type of Physical or Number of % of Expiration Exercise/conversion financial cash voting voting date period instrument settlement rights rights Sub Total 8.B2 9. Information in relation to the person subject to the notification obligation 2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary) % of voting % of voting rights through Total of both if rights if it financial Ultimate it equals or is Name of controlled equals or is instruments if it controlling higher than undertaking higher than the equals or is person the notifiable notifiable higher than the threshold threshold notifiable threshold M&G Plc (Parent M&G Plc 10.846000 0.286850 11.132850 company) M&G Group Regulated Entity Holding Company M&G Plc 10.846000 0.286850 11.132850 Limited (wholly owned subsidiary of M&G Plc) M&G Group Limited (wholly owned subsidiary M&G Plc of M&G Group 10.846000 0.286850 11.132850 Regulated Entity Holding Company Limited) M&G FA Limited (wholly owned M&G Plc 10.846000 0.286850 11.132850 subsidiary of M&G Group Limited) Prudential Portfolio Managers (South Africa) (Pty) M&G Plc 10.385440 0.000000 10.385440 Limited (majority owned subsidiary of M&G FA Limited) Prudential Investment Managers (South Africa) (Pty) Ltd (wholly owned M&G Plc 10.385440 0.000000 10.385440 subsidiary of Prudential Portfolio Managers (South Africa) (Pty) Ltd) 10. In case of proxy voting Name of the proxy holder The number and % of voting rights held The date until which the voting rights will be held 11. Additional Information 12. Date of Completion 26 July 2021 13. Place Of Completion London, UK Johannesburg and London 27 July 2021 Sponsor: Investec Bank Limited Date: 27-07-2021 03:00:00 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.