Key Personnel Change

Ms. Chanchal Jaiswal (ICSI Membership No.: A67136) has tendered her resignation from the position of Company Secretary & Compliance Officer (Key Managerial Personnel) of Diffusion Engineers Limited.

Reason for Resignation

The resignation is due to personal reasons as stated in her resignation letter dated October 26, 2026.

Effective Date of Cessation

The resignation takes effect from the close of business hours on November 30, 2026. Ms. Jaiswal will be relieved from the company's services on this date.

Company Action

The company is in the process of identifying and appointing a suitable candidate to fill the vacancy for the position of Company Secretary & Compliance Officer within the statutory timeline. The stock exchanges will be intimated accordingly once the appointment is made.

Documentation

Detailed disclosures as required under Regulation 30 are provided in Annexure A. The resignation letter received from Ms. Chanchal Jaiswal is enclosed with the filing as required under the regulations.