TR-1: Standard Form For Notification Of Major Holdings SIRIUS REAL ESTATE LIMITED (Incorporated in Guernsey) Company Number: 46442 JSE Share Code: SRE LSE (GBP) Share Code: SRE LSE (EUR) Share Code: ESRE LEI: 213800NURUF5W8QSK566 ISIN Code: GG00B1W3VF54 18 September 2020 TR-1: Standard form for notification of major holdings NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)i 1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are at- Sirius Real Estate Limited tachedii: 1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate) Non-UK issuer x 2. Reason for the notification (please mark the appropriate box or boxes with an “X”) An acquisition or disposal of voting rights x An acquisition or disposal of financial instruments An event changing the breakdown of voting rights Other (please specify)iii: Change in nature of holding x 3. Details of person subject to the notification obligationiv Bank of Montreal Name City and country of registered office (if applicable) Montreal, Canada 4. Full name of shareholder(s) (if different from 3.)v Name City and country of registered office (if applicable) 5. Date on which the threshold was crossed or 16th September 2020 reachedvi: 6. Date on which issuer notified (DD/MM/YYYY): 17th September 2020 7. Total positions of person(s) subject to the notification obligation % of voting rights % of voting rights at- Total number of through financial instru- Total of both in % tached to shares (to- voting rights of is- ments (8.A + 8.B) tal of 8. A) suervii (total of 8.B 1 + 8.B 2) Resulting situation 5.35% on the date on which 4.96% 0.39% 1,045,351,272 threshold was crossed or reached Position of previous notification (if 5.05% 2.20% 7.25% applicable) 8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii A: Voting rights attached to shares Class/type of Number of voting rightsix % of voting rights shares ISIN code (if possible) Direct Indirect Direct Indirect (Art 9 of Directive (Art 10 of Directive (Art 9 of Directive (Art 10 of Directive 2004/109/EC) (DTR5.1) 2004/109/EC) 2004/109/EC) (DTR5.1) 2004/109/EC) (DTR5.2.1) (DTR5.2.1) GG00B1W3VF54 - - 4.96% 51,845,823 SUBTOTAL 8. A 4.96% 51,845,823 B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a)) Number of voting rights Type of financial in- Expiration Exercise/ that may be acquired if % of voting rights strument datex Conversion Periodxi the instrument is exercised/converted. N/A N/A N/A N/A N/A SUBTOTAL 8. B 1 N/A N/A B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b)) Exercise/ Physical or Type of financial Expiration Number of Conversion Pe- cash % of voting rights instrument datex voting rights riod xi settlementxii N/A N/A Cash 4,058,355 CFD 0.39% SUBTOTAL 4,058,355 0.39% 8.B.2 9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an “X”) Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer xiii 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 entity xiv x (please add additional rows as necessary) % of voting rights % of voting rights if it Total of both if it through financial in- equals or is higher equals or is higher Namexv struments if it equals than the notifiable than the notifiable or is higher than the threshold threshold notifiable threshold Bank of Montreal BMO Global Asset Manage- ment (Europe) Limited BMO Asset Management (Holdings) plc BMO AM Group (Holdings) Limited BMO AM Group (Manage- ment) Limited BMO AM Holdings Limited BMO Asset Management Lim- ited Bank of Montreal BMO Global Asset Manage- ment (Europe) Limited BMO Asset Management (Holdings) plc BMO Investment Business Limited Bank of Montreal BMO Global Asset Manage- ment (Europe) Limited BMO Asset Management (Holdings) plc BMO AM Capital (Group) Lim- ited BMO AM Capital (Holdings) Limited BMO AM Capital (UK) Limited Thames River Capital LLP 10. In case of proxy voting, please identify: Name of the proxy holder The number and % of voting rights held The date until which the voting rights will be held 11. Additional informationxvi Place of completion London Date of completion 17th September 2020 JSE Sponsor PSG Capital Date: 18-09-2020 12:00:00 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.