Intimation of Change in Senior Management.

IDFCFIRSTBANK/SD/115/2026-27 August 11, 2026 National Stock Exchange of India Limited BSE Limited Mumbai 400 051 Mumbai 400 001 NSE Symbol: IDFCFIRSTB BSE Scrip Code: 539437 Sub.: Disclosure regarding change in Senior Management Personnel under Regulation 30 of the SEBI (LODR) Regulations, 2015 (‘Listing Regulations’) Dear Sir, Madam, Pursuant to Regulation 30 of the SEBI Listing Regulations, we hereby inform that Mr. Ashish Singh, has tendered his resignation vide letter dated August 11, 2026, to pursue other opportunities outside the Bank. He has expressed his gratitude for the professionally and personally fulfilling experience at the Bank. The relevant details along with the copy of his resignation letter as required under Listing Regulations are enclosed herewith as Annexures A & B. Please take the above on record. For IDFC FIRST Bank Limited Satish Gaikwad General Counsel and Company Secretary Encl.: As above IDFC FIRST Bank Limited Corporate Office: IDFC FIRST Bank Tower, (The Square), C-61, G Block, Bandra-Kurla Complex, Bandra (East), Mumbai - 400 051, Maharashtra. Tel: +91 22 7132 5500 Registered Office: KRM Tower, 7th Floor, No. 1, Harrington Road, Chetpet, Chennai 600 031, Tamil Nadu. Tel: +91 44 4571 6477 CIN: L65110TN2014PLC097792 | E-mail: bank.info@idfcfirstbank.com; | Website: www.idfcfirst.bank.in Annexure A Sr. No. Particulars Description 1. Nam e of the Senior Management Person Mr. Ashish Singh 2. Rea son for change viz. resignation To pursue another leadership opportunity. He expressed his gratitude for the professionally and personally fulfilling experience. 3. Dat e of cessation The Bank has accepted the resignation of Mr. Ashish Singh, and his last working day will be December 31, 2026. 4. Brie f Profile Not Applicable (in case of appointment) 5. Dis closure of relationships Not Applicable between Directors (in case of appointment of a director) 6. Let ter of Resignation along with The resignation letter is enclosed as Annexure B. detailed reason for the resignation IDFC FIRST Bank Limited Corporate Office: IDFC FIRST Bank Tower, (The Square), C-61, G Block, Bandra-Kurla Complex, Bandra (East), Mumbai - 400 051, Maharashtra. Tel: +91 22 7132 5500 Registered Office: KRM Tower, 7th Floor, No. 1, Harrington Road, Chetpet, Chennai 600 031, Tamil Nadu. Tel: +91 44 4571 6477 CIN: L65110TN2014PLC097792 | E-mail: bank.info@idfcfirstbank.com; | Website: www.idfcfirst.bank.in Annexure B