Certificate under SEBI (Depositories and Participants) Regulations, 2018

July 13, 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 June 30, 2026: This is to certify that no securities have been dematerialized during the quarter ended June 30, 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 naanESHWARr DATAMATTcs LTD. Regd. Off. : 23, R. N. Mukheriee Road, sth Floor, Kolkata - 700 001 , Pnone:2248-2248,2243-5029,2231-6839 E.mail : contacl@mdplcorporate.com, Website : www.mdpl.in, CIN : U20221W81982PTC034886 51 No.43 O?/Ot-/?O?6 AUTHUI4 INVESTTiENT & INFRASTRUCTURE LTD lNET}bFOrO?? 7O7, RAHEJA CENTRE FREE PRESS JSURNAL EAPG NAR I I.IAH POINT, IIUI.IBA I PrN 4000e Dear. Sir. / l.ladan, 3uE I Cc,opl i ar,ce Regardirig Ccr'f irr':atien Of Deneterial isatic,n ar Fer' Eegulaticn 74(5) of SecuritieE and Exch3nge Bc'ar.d e{ india (DeFDEitnr'ieE and ParticiFaEtEi Regulallons, eO18 tle cDBfirn thBt nc' defiater.i al iE eticrrr r'Equest f r,.. equ i tg hsr.e s af gour. Conpang lras cDr,f irned dur.ing th* period a1/04/20?6 L4 30i06/'to?6. Thar'k ing You , Ycur.e faithful lg Ft,T".MAHESHIJA ATA}.IATICS PVT . LT!. Fotx REi:ISTRARS