Revision in the Schedule of Earning Concall of Q1FY2027 with Analysts and Investors

Date: August 3, 2026 The General Manager, The Manager, Listing Department, Listing & Compliance Department, Bombay Stock Exchange Limited, National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot no. C/1, G Block, Dalal Street, Bandra Kurla Complex, Mumbai – 400 001 Bandra East, Mumbai – 400 051 Scrip Code: 543669 Scrip Symbol: RUSTOMJEE Sub: Revision in the Schedule of Earning Concall of Q1FY27 with Analysts and Investors Dear Sir/ Madam, With reference to the captioned subject and pursuant to Regulation 30 of the SEBI (LODR) Regulations 2015, we would like to inform you that the time of Investor/ Analyst conference call / Earnings Call is re-scheduled on Tuesday, August 4, 2026 at 3:00 p.m. (IST) for discussion of unaudited Financial Results (Standalone and Consolidated) of the Company for the quarter ended June 30, 2026. The Dial-In details for the said Earnings Call are enclosed herewith. Kindly take the same on record. Thanking you, Yours Faithfully, For Keystone Realtors Limited Bimal K Nanda Company Secretary and Compliance Officer Membership No A11578 Encl: Revised conference call invite KEYSTONE REALTORS LIMITED Registered Office : 702, NATRAJ, M. V. Road Junction, Western Express Highway, Andheri (East), Mumbai - 400 069. Tel.: +91 22 6676 6888 | CIN : L45200MH1995PLC094208 | Website: www.rustomjee.com Keystone Realtors Ltd Q1FY27 Conference Call Invite We are pleased to host, on behalf of Keystone Realtors Ltd (Rustomjee), a conference call for analysts and investors on Tuesday, 4th August 2026, at 3:00 pm (IST) following the announcement of financial results for the quarter ended 30th June 2026. The call will be initiated with a brief management discussion on the earnings performance followed by an interactive Question & Answer session. Management will be represented by:  Mr. Boman Irani, Chairman and Managing Director  Mr. Chandresh Mehta, Executive Director  Mr. Percy Chowdhry, Executive Director  Mr. Sajal Gupta, Group Chief Financial Officer Details of conference call: Date : Tuesday, 4th August 2026 Time : 3:00 PM IST | 5:30 PM HK/SG | 10:30 AM UK (London) | 5:30 AM EDT USA New York Call leader : Pritesh Sheth, Axis Capital Country Dial-in India primary number +91 22 6280 1145 India secondary number +91 22 7115 8046 International dial-in - Hong Kong 800 964 448 - Singapore 800 101 2045 - UK 0 808 101 1573 - USA 1 866 746 2133 Pre-register to avoid wait time: Link For further information, please contact Pritesh Sheth SVP – Real Estate & REITs Axis Capital Mobile: +91 90221 91847 Email: pritesh.sheth@axiscap.in