Bigbloc Construction Limited — Capital/Financing Update 2026

May 7, 2026

BIG BLOC CONSTRUCTION LIMITED

CIN NO. : L45200GJ2015PLC083577

908, 9th Floor, Rajhans Montessa, Dumas Road, Magdalla, Surat-395 007.

(Ph.) : +91-2463262, 2463263

E-mail : info@nxtbloc.in Visit us : www.nxtbloc.in

NXTBLOC® Autoclaved Aerated Concrete Blocks

7th May, 2026

| To,
Department of Corporate Service,
Bombay Stock Exchange Limited,
1st Floor, Phiroze, Jeejeebhoy Towers,
Dalal Street,
Mumbai - 400001
Script Code: 540061
ISIN: INE412U01025 | To,
Listing Department,
National Stock Exchange of India Limited,
Exchange Plaza, C-1, BLOCK G,
Bandra-Kurla Complex, Bandra (E),
Mumbai - 400051
Symbol: BIGBLOC
ISIN: INE412U01025 |
| --- | --- |

Dear Sir/Madam,

Subject: Subsidiary Updates - Announcement for commencement of commercial production at Umargaon facility

Ref.: Announcement under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015

Further to our earlier announcement dated 17th April, 2026 regarding the commencement of trial production, we are pleased to inform that Bigbloc Building Elements Private Limited, a wholly owned subsidiary of Bigbloc Construction Limited, has now successfully commenced commercial production at its state-of-the-art construction chemicals plant at the Umargaon facility. This marks a significant milestone for the Group, reinforcing its commitment to innovation and expansion in the construction materials space.

Kindly take the same on your records.

Thanking You

Yours Faithfully,

For BIGBLOC CONSTRUCTION LIMITED

MOHIT NARAYAN
SABOO
Digitally signed by MOHIT
NARAYAN SABOO
Date: 2026.05.07 11:38:16
+05'30'

Mohit Narayan Saboo
Director & CFO
DIN: 02357431