Certificate under SEBI (Depositories and Participants) Regulations, 2018

October 14, 2026 The Bombay Stock Exchange Limited National Stock Exchange of India Limited P. J. Towers, 25th Floor, Dalal Street, Exchange Plaza, C-1, Block G, Mumbai 400 001 Bandra Kurla Complex, Script code: 539177 Bandra (E), Mumbai – 400051 NSE Symbol – AIIL Dear Sir / Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulation, 2018 for the quarter ended October 31, 2026: This is to certify that no securities have been dematerialized during the quarter ended October 31, 2026, as the entire issued capital of the Company has been held in dematerialized mode, the certificate received pursuant to Regulation 74(5) of the SEBI (Depositories and Participants) Regulation, 2018 from RTA, M/s. Maheshwari Datamatics Limited is enclosed herewith for your ready reference. You are requested to take the same on your records. Thank you, Yours faithfully, For Authum Investment & Infrastructure Limited Dipyanti Jaiswar Company Secretary & Compliance Officer Encl: As above S pvr. nranESHWARr DATAMATTCS LTD. Regd. Off. : 23, R. N. Mukher.jee Road, Sth Floor, Kolkata - 700 001, Phone:2248-224A,2243-5029,2231-6839 E.mail : contact@mdplcorporate.com, Website: www.mdpl.in, CIN : U20221W81982PTC034886 8l No.4O 03t lo/20?6 AUTHUII INVESTIIEIIIT & INFRASTRUCTURE LTD - INEAO6FOTOAE 7O7' BAHEJA CENTRE FREE PREgg JOURT{AL T{ARG NARIIIAN POIT{T' }IUIIBAI PIN 40002t Dcer SiF./ l,lrden ' Bub t CofrE'l l rnce Reg8rdlr'g CoBflrr.tien Of Defi.te.*i.l iB.Li6n .s F.r Regulrtion 74(3, of Brcuriticg .nd Erchrngc Baerd of Indir (DrFositor'te3 .nd PsrtisiFarrt3) Regul.tlotrr, ?ol8 tI* conflrn thtt no d.,,titePl.lisstlorr r'egueBtl or'equltg rhrr'e 5 of gcur. Conptny ut! coBflflred dur'lng the Per1rrdo ItOTl?O?b Lo sAlOq l ?0?6. Thlnl tng Vgu Yc'urr f.l thFu I lg FGr AH$ARI DATAIIAT I CS FUT. LTD. f€{fiR RE6I STRARg