Credit Rating- Revision

TD Power Systems Limited (CIN -L31103KA1999PLC025071) June 23, 2026 REGISTERED OFFICE & FACTORY: 27, 28 and 29, KIADB Industrial Area Dabaspet, Nelamangala Taluk The Corporate Service The Listing Department B e n g a l u r u R u r a l D i s t r i c t Bengaluru – 562 111 India Department T h e N a t i o n a l S t o c k E x c h a n g e of India Ltd. BSE Limited Exchange Plaza, Bandra- Kurla Complex Tel +91 80 229 95700 / 6633 7700 Fax +91 80 7734439 / 2299 5718 P J Towers, Dalal Street Bandra (East) Mail tdps@tdps.co.in Mumbai - 400 001 Mumbai - 400 051 www.tdps.co.in Scrip Code: 533553 S y m b o l : T D P O W E R S Y S Dear Sir/Madam, SUB: INTIMATION REGARDING RECEIPT OF REVIEW OF CREDIT RATINGS - THE SEBI (LISTING OBLIGATIONS AND DISCLOSURE REQUIREMENTS) REGULATIONS, 2015. Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that, CRISIL Ratings Limited (“CRISIL Ratings”) has revised the credit ratings on the bank facilities of the Company as follows: Credit Rating Total Bank Loan Type of Credit Rating Rating Remarks Agency Facilities Rated CRISIL Ratings Rs.488 Crore Long Term Rating AA-/Stable Upgraded from ‘Crisil A+/Positive’ Short Term Rating A1+ Upgraded from ‘Crisil A1’ A copy of the CRISIL Ratings communication dated June 22, 2026 in this regard, received by the Company on June 22, 2026 at 7:59 PM (IST) is enclosed. You are requested to take the above on record. Thanking You. For TD Power Systems Limited Bharat Rajwani Company Secretary & Compliance Officer Encl: As above CONFIDENTIAL RL/TDPSPLTD/392766/BLR/0626/150843 June 22, 2026 Ms. M. N. Varalakshmi Chief Financial Officer TD Power Systems Limited No. 27,28,29 KIADB Industrial area, Dabaspet, Nelamangala Taluk, Bengaluru Rural - 562111 Dear Ms. M. N. Varalakshmi, Re: Review of Crisil Ratings on the bank facilities of TD Power Systems Limited All ratings assigned by Crisil Ratings are kept under continuous surveillance and review. Please find in the table below the ratings outstanding for the debt instruments/facilities of the company, and the rating actions by Crisil Ratings on the ratings as on date. Total Bank Loan Facilities Rated Rs.488 Crore Long Term Rating Crisil AA-/Stable (Upgraded from 'Crisil A+/Positive') Short Term Rating Crisil A1+ (Upgraded from 'Crisil A1') (Bank-wise details as per Annexure 1) As per our Rating Agreement, Crisil Ratings would disseminate the ratings, along with the outlook, through its publications and other media, and keep the ratings, along with the outlook, under surveillance over the life of the instrument/facility. Crisil Ratings reserves the right to withdraw, or revise the ratings, along with the outlook, at any time, on the basis of new information, or unavailability of information, or other circumstances which Crisil Ratings believes may have an impact on the ratings. Please visit www.crisilratings.com and search with the name of the rated entity to access the latest rating/s. In the event of the company not availing the proposed facilities within a period of 180 days from the date of this letter, a fresh letter of revalidation from Crisil Ratings will be necessary. Crisil Ratings products / activities or ratings of instruments other than securities that are listed or proposed to be listed may fall under the purview of financial sector regulators (FSRs) other than SEBI. In respect of such products / activities or ratings (under the purview of other FSRs such as Reserve Bank of India (RBI), Ministry of Corporate Affairs (MCA), Insurance Regulatory and Development Authority of India (IRDAI), among others), the grievance / dispute redressal and investor protection mechanisms available under SEBI regulations shall not be applicable. A list of products/activities or ratings of instruments falling under the purview of various FSRs along with the names of respective FSRs has been duly disclosed by Crisil Ratings on its website. A link to the same has been provided below for ready reference: https://www.crisilratings.com/en/home/our-business/ratings/regulatory-disclosures/list-of-activities-instruments-and-names-of- regulators.html Should you require any clarification, please feel free to get in touch with us. With warm regards, Yours sincerely, Joanne Annie Gonsalves Nivedita Shibu Associate Director - Crisil Ratings Director - Crisil Ratings Disclaimer: A rating by Crisil Ratings reflects Crisil Ratings’ current opinion on the likelihood of timely payment of the obligations under the rated instrument, and does not constitute an audit of the rated entity by Crisil Ratings. Our ratings are based on information provided by the issuer or obtained by Crisil Ratings from sources it considers reliable. Crisil Ratings does not guarantee the completeness or accuracy of the information on which the rating is based. A rating by Crisil Ratings is not a recommendation to buy / sell or hold the rated instrument; it does not comment on the market price or suitability for a particular investor. Crisil Ratings has a practice of keeping all its ratings under surveillance and ratings are revised as and when circumstances so warrant. Crisil Ratings is not responsible for any errors and especially states that it has no financial liability whatsoever to the subscribers / users / transmitters / distributors of its ratings. Crisil Ratings’ criteria are available without charge to the public on the web site, www.crisilratings.com. Crisil Ratings or its associates may have other commercial transactions with the company/entity. For the latest rating information on any instrument of any company rated by Crisil Ratings, please visit www.crisilratings.com or contact Customer Service Helpdesk at Crisilratingdesk@crisil.com or at 1800-267-3850 Annexure 1 - Bank-wise details of various facility classes (outstanding facilities) Amount (Rs. S.No. Bank Facility Bank Outstanding Rating in Crore) 1 Bank Guarantee Bank of Baroda 162.35 Crisil A1+ 2 Bank Guarantee HDFC Bank Limited 90 Crisil A1+ 3 Fund-Based Facilities HDFC Bank Limited 45 Crisil AA-/Stable 4 Fund-Based Facilities Kotak Mahindra Bank Limited 5 Crisil AA-/Stable 5 Fund-Based Facilities Bank of Baroda 25 Crisil AA-/Stable 6 Letter of Credit Kotak Mahindra Bank Limited 55 Crisil A1+ 7 Letter of Credit HDFC Bank Limited 70 Crisil A1+ 8 Letter of Credit Bank of Baroda 35 Crisil A1+ Proposed Long Term Bank Loan 9 -- 0.65 Crisil AA-/Stable Facility Total 488 Annexure: List of instruments and names of regulators of the instruments As required by SEBI CRA Circular dated Feb 10, 2026, a list of activities or instruments falling under the purview of various FSRs, along with the names of respective FSRs, is being disclosed below: A. Rating activities Sr. No. Instrument / activity Name Regulator of the instruments 1 Listed/Proposed to be listed bonds/debentures/preference share (all securities) SEBI 2 Unlisted/Proposed to be unlisted Bonds/Debentures/ Preference share (all securities) MCA 3 Listed PTCs / Securitisation Notes (originated by entities regulated by RBI)* SEBI 4 Listed PTCs / Securitisation Notes (originated by entities not regulated by RBI)* SEBI 5 Unlisted PTCs / Securitisation Notes (originated by entities regulated by RBI)* RBI 6 Listed Commercial Paper and NCDs with original maturity less than 1 year RBI 7 Unlisted Commercial Paper and NCDs with original maturity less than 1 year RBI 8 Loan Facilities (Fund/Non-Fund Based) from Bank/NBFCs/NHB/FIs ^ RBI 9 External Commercial Borrowings and other similar borrowings RBI 10 Certificates of Deposit RBI 11 Fixed Deposits raised by NBFC's, Banks, HFCs, Fis RBI 12 Fixed Deposits raised by corporates other than NBFCs, Banks, HFCs, FIs MCA 13 Inter Corporate Deposits/Loans extended by Corporates MCA 14 Borrowing programme ~ - 15 Issuer Ratings # - 16 Credit Ratings for Capital Protection Oriented Schemes (by Mutal Funds and AIFs) SEBI 17 Credit quality ratings (CQRs) for Mutual Fund Schemes and Schemes [Showing first 8,000 characters — download PDF for full document]