General Updates

Dated: September 16, 2026 The Manager The Manager Listing Department Listing Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G, Phiroze Jeejeebhoy Tower, Bandra Kurla Complex, Bandra (E), Dalal Street Mumbai – 400 051 Mumbai-400001 Script Symbol: GODAVARIB Script Code:544279 Dear Sir / Madam, Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. We are hereby informed that the Chinese Patent Office has granted our patent application entitled "USE OF COMPOUNDS FOR TREATING VIRAL INFECTIONS." The invention relates to the use of compounds for inhibiting V-ATPase activity in cells and further discloses their use in the manufacture of medicaments for the treatment of viral infections. A copy of the grant certificate is attached for your reference. This is for your information and records. Thanking you, Yours faithfully For Godavari Biorefineries Limited Manoj Jain Company Secretary and Compliance Officer Membership No. F-7998 P22H77013A 专 利 号：ZL 2021 8 0048053.9 授权公告号：CN 115867276 B 2026年09月15日 第 1 页 (共 1 页) *2021800480539*