Update To Our Earlier Intimation Dated December 3, 2020, Under Regulation 30 Of SEBI (Listing Obligations And Disclosure Requirements) Regulations, 2015 ('The Regulations')

• Security Code: 500180
• Company: HDFCBANK

We refer to our intimation dated December 3, 2020 ('Intimation') on the order issued by the Reserve Bank of India ('RBI') dated December 2, 2020 to HDFC Bank Limited (the 'Bank') with regard to certain incidents of outages in the internet banking/ mobile banking/ payment utilities of the Bank over the past 2 years, including the recent outages in the Bank's internet banking and payment system on November 21, 2020 due to a power failure in the primary data centre.

As an update to the above Intimation, kindly note that RBI has appointed an external professional IT firm for carrying out a special audit of the entire IT infrastructure of the Bank under Section 30 (1-B) of the Banking Regulation Act, 1949 ('the Act'), at the cost of the Bank under Section 30 (1-C) of the Act.

The Bank shall accordingly extend its cooperation to the external professional IT firm so appointed by RBI for conducting the special IT audit as above.

This is for your information and appropriate dissemination.