Commencement of commercial production/operations

July 1, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Dalal Exchange Plaza, C-1, Block-G, Bandra Kurla Street, Mumbai - 400 001 Complex, Bandra (East), Mumbai - 400 051 Scrip Code: 543212 Symbol: BOROLTD Dear Sirs, Sub: Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“the Listing Regulations”) We refer to our earlier intimation dated November 07, 2025, regarding the setting up of a manufacturing unit with three double-wall lines for vacuum insulated stainless-steel flasks, bottles and containers in the state of Rajasthan through the Company’s Wholly Owned Subsidiary, Stylenest India Limited. We are pleased to inform you that the said manufacturing unit has been commissioned, and commercial production from two double-wall lines commenced on June 30, 2026. Commercial production from the third double-wall line is expected to commence during Q2 FY 2026-27. This is for your information and record, please. This intimation is also being uploaded on the Company's website at www.borosil.com. Thanking you. Yours faithfully, For Borosil Limited Bhaunik Shah Company Secretary