Altius Telecom Infrastructure Trust has informed the Exchange regarding Disclosure of material issue

September 30, 2026 BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai - 400 001 Maharashtra, India Sub.: Intimation of Closure of Trading Window Ref.: Altius Telecom Infrastructure Trust (formerly known as Data Infrastructure Trust) (“Trust”) (Scrip Code: 543225, 975969, 975996, 975997, 976624, 977618; ISIN: INE0BWS23018, INE0BWS07011, INE0BWS07029, INE0BWS07037, INE0BWS07045 and INE0BWS08050) Dear Sir/Madam, This is to inform that pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time, read with the Code of Conduct for Prevention of Insider Trading and Code of Practices and Procedures for Fair Disclosure of Unpublished Price Sensitive Information (“Code”) of the Trust, the Trading Window for trading/dealing in the securities of the Trust will remain closed from October 1, 2026 until 48 hours after the declaration of Financial Results/Information of the Trust, as the case may be for the quarter and half year ended September 30, 2026. Accordingly, all the Designated Persons and their immediate relatives are advised not to trade in the securities of the Trust during the aforesaid trading window closure period. The same is also available on the website of the Trust i.e. www.altiusinfra.com. You are requested to kindly take the same on record. Thanking you, Yours faithfully, For Altius Telecom Infrastructure Trust Data Link Investment Manager Private Limited (acting in its capacity as the Investment Manager of Altius Telecom Infrastructure Trust) Yesha Maniar Company Secretary & Compliance Officer Axis Trustee Services Limited (“Trustee of the Trust”) Catalyst Trusteeship Limited (“Debenture Trustee”) Axis House, P B Marg, Worli, Mumbai- 400025, Unit No. 901, 9th Floor, Tower – B, Peninsula Business Maharashtra, India Park, Senapati Bapat Marg, Lower Parel (W), Mumbai- 400 013, Maharashtra, India