Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

K I S L RYSTAL NTEGRATED ERVICES IMITED (FORMERLY KNOWN AS KRYSTAL INTEGRATED SERVICES PRIVATE LIMITED) August 10, 2026 KISL/CS/SE/43/2026-27 The Department of Corporate Services National Stock Exchange of India Limited BSE Limited Exchange Plaza, Plot no. C/1, G Block, General Manager Bandra-Kurla Complex, Floor 25, Phiroze Jeejeebhoy Towers, Bandra (E), Dalal Street, Mumbai 400 001 Mumbai - 400 051 Scrip Code: 544149 Scrip Symbol: KRYSTAL Dear Sir/Madam, Subject: Intimation under Regulation 30 read with Schedule III of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended (“SEBI Listing Regulations”) - Receipt of Work Order Pursuant to Regulation 30 of SEBI Listing Regulations, it is hereby informed that Krystal Integrated Services Limited (“the Company”) in consortium with M/s. LC Infra Projects Private Limited (“LIPPL”), has received two work orders from Government of Maharashtra, Urban Development Department, Maharashtra Urban Development Mission Directorate Swachh Maharashtra Mission (U) 2.0 for development of Sewage Treatment Plants (STPs), I & D and Sewer network on EPC basis for Revenue Division – Pune and Nagpur, under Bid Category II – ULBs having STP capacity 5 MLD & above. The aggregate contract value of the two work orders is Rs. 7,40,06,30,000 Crore, including GST. The Company's share in the Consortium is 40%, aggregating to approximately Rs. 2,96,02,52,000 Crore. The contracts are for a period of 2 (Two) years. The Consortium operates under the name “LC Infra – Krystal Consortium”, wherein LIPPL is the Lead Member and the Company is the Technical Member. The details required to be provided as per Regulation 30 of SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 are annexed herewith as Annexure-A and Annexure-B This is for your information and records. Thanking You, For Krystal Integrated Services Limited (Previously known as Krystal Integrated Services Private Limited) Manishkumar Sangani Company Secretary & Compliance Officer Membership No: A24871 Registered Office: Krystal House, 15A/17, Shivaji Fort CHS, Duncans Causeway Road Mumbai -400 022, Maharashtra (India) Tel: +9122 4353 1234, +9122 47471234. Web: www.krystal-group.com CIN - L74920MH2000PLC129827. K I S L RYSTAL NTEGRATED ERVICES IMITED (FORMERLY KNOWN AS KRYSTAL INTEGRATED SERVICES PRIVATE LIMITED) Annexure-A Disclosure as per Regulation 30 of SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 Sr. No. Particulars Details 1 Name of the entity Government of Maharashtra, Urban Development awarding the Department, Maharashtra Urban Development Mission order(s)/contract(s); Directorate Swachh Maharashtra Mission (U) 2.0 2 Significant terms and Work order No. MUDM/SMM/UWM- conditions of Emp/1087/2026-27 dated August 06, 2026 for Pune order(s)/contract(s) Division, was received by the Company via email on awarded in brief; August 10, 2026. The work order has been awarded to LC Infra – Krystal Consortium, wherein M/s. LC Infra Projects Private Limited is the Lead Member and the Company is the Technical Member. The work order is for development of Sewage Treatment Plants (STPs), I & D and Sewer network on EPC basis for Revenue Division – Pune, under Bid Category II – ULBs having STP capacity 5 MLD & above. The contract is for a period of 2 (Two) years. Company’s share in the Consortium amounting to Rs. 64,04,92,000/-. 3 Whether order(s) / Domestic Entity contract(s) have been awarded by domestic/international entity; 4 Nature of order(s) / Development of Sewage Treatment Plants (STPs), I & D contract(s); and Sewer network on EPC basis 5 Whether domestic or Domestic international; 6 Time period by which the 2 (Two) years order(s)/contract(s) is to be executed; 7 Broad consideration or size Aggregate Contract value of Rs.160,12,30,000/- of the order(s)/contract(s); including GST. The Company’s share in the consortium is 40% stake amounting to Rs. 64,04,92,000/-. 8 Whether the promoter/ No promoter group / group companies have any Registered Office: Krystal House, 15A/17, Shivaji Fort CHS, Duncans Causeway Road Mumbai -400 022, Maharashtra (India) Tel: +9122 4353 1234, +9122 47471234. Web: www.krystal-group.com CIN - L74920MH2000PLC129827. K I S L RYSTAL NTEGRATED ERVICES IMITED (FORMERLY KNOWN AS KRYSTAL INTEGRATED SERVICES PRIVATE LIMITED) Sr. No. Particulars Details interest in the entity that awarded the order(s)/contract(s)? If yes, nature of interest and details thereof; 9 Whether the No order(s)/contract(s) would fall within related party transactions? If yes, whether the same is done at “arm’s length”. Registered Office: Krystal House, 15A/17, Shivaji Fort CHS, Duncans Causeway Road Mumbai -400 022, Maharashtra (India) Tel: +9122 4353 1234, +9122 47471234. Web: www.krystal-group.com CIN - L74920MH2000PLC129827. K I S L RYSTAL NTEGRATED ERVICES IMITED (FORMERLY KNOWN AS KRYSTAL INTEGRATED SERVICES PRIVATE LIMITED) Annexure-B Disclosure as per Regulation 30 of SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 Sr. No. Particulars Details 1 Name of the entity awarding the Government of Maharashtra, Urban order(s)/contract(s); Development Department, Maharashtra Urban Development Mission Directorate Swachh Maharashtra Mission (U) 2.0 2 Significant terms and conditions of Work order No. MUDM/SMM/UWM- order(s)/contract(s) awarded in brief; Emp/1088/2026-27 for Nagpur Division, was received by the Company via email on August 10, 2026. The work order has been awarded to LC Infra – Krystal Consortium, wherein M/s. LC Infra Projects Private Limited is the Lead Member and the Company is the Technical Member. The work order is for development of Sewage Treatment Plants (STPs), I & D and Sewer network on EPC basis for Revenue Division – Nagpur, under Bid Category II – ULBs having STP capacity 5 MLD & above. The contract is for a period of 2 (Two) years. Company’s share in the Consortium amounting to Rs. 231,97,60,000/-. 3 Whether order(s) / contract(s) have Domestic Entity been awarded by domestic/international entity; 4 Nature of order(s) / contract(s); Development of Sewage Treatment Plants (STPs), I & D and Sewer network on EPC basis 5 Whether domestic or international; Domestic 6 Time period by which the 2 (Two) years order(s)/contract(s) is to be executed; 7 Broad consideration or size of the Aggregate contract value of order(s)/contract(s); Rs. 579,94,00,000/- including GST. The Company’s share in the consortium is 40% stake amounting to Rs. 231,97,60,000/-). 8 Whether the promoter/ promoter No group / group companies have any interest in the entity that awarded the order(s)/contract(s)? If yes, nature of interest and details thereof; 9 Whether the order(s)/contract(s) No would fall within related party transactions? If yes, whether the same is done at “arm’s length”. Registered Office: Krystal House, 15A/17, Shivaji Fort CHS, Duncans Causeway Road Mumbai -400 022, Maharashtra (India) Tel: +9122 4353 1234, +9122 47471234. Web: www.krystal-group.com CIN - L74920MH2000PLC129827.