Exhibit 99
March 18, 2026
New York Stock Exchange
11, Wall Street,
New York,
NY 10005
USA
Dear Sir,
Sub: Intimation of Credit Rating by India Ratings and Research Private Limited
We wish to inform that India Ratings and Research Private Limited has assigned/affirmed the ratings to various instruments of the Bank on March 17, 2026. The summary of the ratings assigned/affirmed is given below.
| Instrument Type | Maturity Date |
Size of Issue (Billion) |
Rating/Outlook | Rating Action | ||||
|
Issuer Rating |
- |
IND AAA/Stable |
Affirmed | |||||
| Certificates of deposit |
7-365 days |
INR 250 |
IND A1+ |
Assigned | ||||
|
Certificates of deposit |
7-365 days |
INR 1250 |
IND A1+ |
Affirmed | ||||
| Fixed deposits |
- |
IND AAA/Stable |
Affirmed | |||||
|
Infrastructure bonds |
INR 200 |
IND AAA/Stable |
Affirmed | |||||
| Basel-III compliant Tier 2 bonds |
INR 250 |
IND AAA/Stable |
Affirmed | |||||
| Basel-III compliant Tier 1 bonds |
INR 150 |
IND AA+/Stable |
Affirmed |
This is for your information and appropriate dissemination.
Yours faithfully,
For HDFC Bank Limited
Sd/-
Ajay Agarwal
Company Secretary
Group Head – Secretarial & Group Oversight