Change in Statutory Auditors – OneSource Specialty Pharma Limited

Outgoing Auditor

Not Specified

Incoming Auditor

Name of the New Audit Firm: M/s B S R & Co LLP

Firm Registration Number (FRN): 101248W/W-100022

Term of Appointment and Validity: Appointed for a period of 5 (five) consecutive years from the conclusion of the 19th Annual General Meeting until the conclusion of the 24th Annual General Meeting of the Company

Interim Appointment or Subject to Shareholder Approval: Appointment made by shareholders at the 19th Annual General Meeting

Qualifications or Professional Standing: The firm was constituted on 27th March, 1990 as a partnership firm and converted into Limited Liability Partnership on 14th October, 2013. Registered office at 14th Floor, Central B Wing and North C Wing, Nesco IT Park 4, Nesco Centre, Western Express Highway, Goregaon (East), Mumbai - 400063. Member entity of B S R & Affiliates, a network registered with the Institute of Chartered Accountants of India. Head office in Mumbai with operations through 14 locations across India. Strength of over 4,000 personnel and 170 partners. Serves as statutory auditor to several companies listed on stock exchanges in India including companies in the Pharma and Life Sciences sector.

Board / Committee Meeting Details

Date and Name of the Meeting: 19th Annual General Meeting held on Wednesday, September 23, 2026

Resolutions or Approvals: Shareholders appointed M/s B S R & Co LLP as Statutory Auditors of the Company

Regulatory Compliance Statement

Disclosure made pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with SEBI Master Circular No. O/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026

Results to be submitted to stock exchanges on or before Friday, September 25, 2026

Annexures / Firm Profiles

Annexure A contains the disclosure as required by SEBI regulations, including brief profile of the incoming audit firm

Other Corporate Information

Corporate Office: Star 1, Opp IIM Bangalore, Bilekahalli, Bannerghatta Road, Bengaluru – 560076, India