Press Release of receipt of order by a subsidiary company

September 29, 2026 To To The Compliance Manager The Manager, Listing Department BSE Limited National Stock Exchange of India Ltd Corporate Relationship Dept., Exchange Plaza, Plot No. C/1, G Block, Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Bandra (East), Dalal Street, Mumbai 400001. Mumbai 400 051. Scrip Code: 544419 Symbol: ARIS Subject: Press Release – Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) Dear Sir/Madam, Pursuant to the provisions of Regulation 30 of the SEBI Listing Regulations, please find enclosed herewith Press Release dated September 29, 2026, titled “Arisinfra's Unitern, Bags Second Transcon Mandate for ₹400 Cr GDV Project in Kalina”. The above Press Release will also be available on the Company’s website at https://aris.in/pages/investor-relations-disclosures Kindly take the same on record. Thanking you, Yours faithfully, For Arisinfra Solutions Limited Bhavik Jayesh Khara Whole Time Director & CFO DIN: 09095925 Place: Mumbai Encl.: As mentioned above ARIS Unitern Bags Second Transcon Mandate for ₹400 Cr GDV Project in Kalina ~1.06 lakh sq ft RERA carpet area. All approvals are in place; execution begins immediately. Mumbai, September 29, 2026: Arisinfra Solutions Limited (NSE: ARIS | BSE: 544419), a tech- enabled B2B platform for construction materials and services, today announced that its subsidiary, ArisUnitern RE Solutions Private Limited ("Unitern"), has been appointed by Transcon Group as the Developer-as-a-Service (DaaS) partner for Transcon UNO at Kalina, Mumbai, under its IGNITE module. This is Unitern's second mandate from Transcon Group, following Phase 1 of Transcon Ramdev Plaza at Santacruz (West). With this win, the total GDV of projects under Unitern's DaaS mandates rises to over ₹2,500 Cr, to be executed over the next 30 months. THE PROJECT AND MANDATE Transcon UNO is a premium commercial redevelopment at Kalina, Santacruz (East), with high-end retail and seven floors of premium office space. It offers ~1.06 lakh sq ft of free-sale RERA carpet area and a potential GDV of ~₹400 Cr. Under an 18-month, end-to-end mandate, Unitern will run construction through a Category A contractor with equity-like participation and supply all materials through the ARIS platform. It will also own sales, marketing, collections, and lender management. The promoter will get full visibility through a live Project Health Index dashboard. All approvals, including RERA, are in place, so construction and sales begin immediately. For more information, visit the company website: www.aris.in MANAGEMENT COMMENTS Srinivasan Gopalan, CEO, ARIS: "Transcon choosing us for a second project is strong validation of the DaaS model. With approvals in place and a Category A contractor on board, UNO moves straight into execution. Money, material and management now come from a single accountable platform." Kirti Kedia, Promoter, Transcon Group: "Our experience with Unitern on Phase 1 of Transcon Ramdev Plaza was excellent, and we are delighted to partner with them again. With Unitern driving execution, our team can focus fully on approvals and tenant management." ABOUT UNITERN ArisUnitern RE Solutions Private Limited, a subsidiary of ARIS, is a Developer-as-a-Service platform that brings predictability to real estate by combining money, material and management to take projects from stalled to delivered. Or please contact: Latesh Shah Company Secretary & Compliance Officer Arisinfra Solutions Ltd. Email: cs@aris.in Investor Relations: Valorem Advisors | Contact: Mr. Anuj Sonpal +91-22-49039500 | aris@valoremadvisors.com Investor Kit: https://www.valoremadvisors.com/arisinfra Media Relations: Natasha Gupta/ Meghna Bose Mobile: 9811945822/ 8101840962 Email: natasha@storybrews.com / meghna@storybrews.com Note: Certain statements in this document may be forward-looking statements. Such forward- looking statements are subject to risks and uncertainties like regulatory changes, local political or economic developments, and many other factors that could cause actual results to differ materially from those contemplated by the relevant forward-looking statements. Further, past performance is not necessarily indicative of future results. Given these risks, uncertainties and other risk factors, viewers are cautioned not to place undue reliance on these forward-looking statements. The Company will not be in any way responsible for any action taken based on such statements and undertakes no obligation to publicly update these forward-looking statements to reflect subsequent events or circumstance.