Mark Corporate Advisors Pvt. Ltd ("Manager to the Offer") has submitted to BSE a copy of Letter of Offer for the attention of the Public Shareholders of Neelkanth Rockminerals Ltd ("Target Company").

Letter of Offer THIS DOCUMENT IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION This Letter of Offer (“LoF”) is sent to you as a Public Shareholders (as defined below) of Neelkanth Rock-Minerals Limited (“Neelkanth”/“Target Company”). If you require any clarifications about the action to be taken, you may consult your Stockbroker or Investment Consultant or Manager to the Offer or Registrar to the Offer. In case you have recently sold your shares in the Target Company, please hand over this LoF and the accompanying form of acceptance and Transfer Deed to the member of the Stock Exchange through whom the said sale was affected. OPEN OFFER BY Mr. Sesha Sai Nikhil Chintalapati (“Acquirer”) Residing at: 8-3-833/279, Kamalapuri Colony, Khairatabad, Hyderabad-500073, Telangana, India. Contact No.: +91 82478 69769 | Email ID: nikschint@gmail.com. to acquire up to 13,11,362 fully paid-up equity shares of face value of ₹10 each representing 26.00% of Voting Share Capital of the Target Company at a price of ₹19.40 (“Offer Price”) per equity share, payable in cash in accordance with Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 and amendments thereto (“SEBI (SAST) Regulations, 2011”) from the public shareholders NEELKANTH ROCK-MINERALS LIMITED (CIN: L14219RJ1988PLC062162) Registered Office: Flat No. 606, Scheme Chopasani Jagir, Khasra No. 175/74, Plot No. 15/16, Jodhpur-342001, Rajasthan, India Contact No.: +91 0291 2631839 | Email ID: info@neelrock.com | Website: www.neelrock.com 1) This Offer is being made by the Acquirer pursuant to Regulations 3(1) and 4 of SEBI (SAST) Regulations 2011. 2) This Offer is not a conditional offer in terms of Regulation 19 of the SEBI (SAST) Regulations, 2011 and is not subject to any minimum level of acceptance. 3) This Open Offer is not a competing offer in terms of Regulations 20 of SEBI (SAST) Regulations, 2011. 4) The marketable lot for the Equity Shares of the Target Company is 1 (One) Equity Share. 5) The Acquirer may withdraw the Offer in accordance with of Regulation 23(1) of the SEBI (SAST) Regulations. In the event of a withdrawal of the Open Offer, the Acquirer (through the Manager to the Open Offer) shall, within 2 (two) Working Days of such withdrawal, make a public announcement, in the same Newspapers in which the Detailed Public Statement was published, in accordance with Regulation 23(2) of the SEBI (SAST) Regulations and such public announcement will also be sent to SEBI, the Stock Exchange and the Target Company at its registered office, in accordance with Regulation 23(2) of the SEBI (SAST) Regulations.” 6) The Offer Price may be subject to upward revision, if any, pursuant to the SEBI (SAST) Regulations, 2011 or at the discretion of the Acquirer at any time prior to the commencement of the last 1 (one) Working Day before the commencement of the Tendering Period, in accordance with Regulation 18(4) of the SEBI (SAST) Regulations. In the event of such revision, the Acquirer shall: (i) make corresponding increase to the Escrow Amount; (ii) make a public announcement in the same newspapers in which the Detailed Public Statement was published; and (iii) simultaneously with the issue of such public announcement, inform SEBI, the Stock Exchange, and the Target Company at its registered office, of such revision. However, the Acquirer shall not acquire any equity shares after the 3rd working day prior to the commencement of the Tendering Period, and until the expiry of the Tendering Period. The same price shall be payable by the Acquirer for all the equity shares tendered in the Open Offer anytime during the Open Offer. 7) There has been no competing offer to the Open Offer. A copy of the Public Announcement (“PA”), Detailed Public Statement (“DPS”), Draft Letter of Offer (“DLoF”) and Letter of Offer (“LoF”) (including the Form of Acceptance-cum-Acknowledgement) will also be available on the website of Securities and Exchange Board of India (“SEBI”) at www.sebi.gov.in. All future correspondence should be addressed to the Manager to the Offer/Registrar to the Offer at the address mentioned below: MANAGER TO THE OFFER REGISTRAR TO THE OFFER Mark Corporate Advisors Private Limited Purva Sharegistry (India) Private Limited CIN: U67190MH2008PTC181996 CIN: U67120MH1993PTC074079 404/1, The Summit, Shiv Shakti Industrial Estate, J. R. Boricha Sant Janabai Road (Service Lane), Marg, Lower Parel (East) Mumbai-400011, Off Western Express Highway, Vile Parle (East), Maharashtra, India. Mumbai-400 057. Maharashtra, India. Tel. No.: +91 22 4961 4132 Tel. No.: +91 22 2612 3207/08 Email ID: support@purvashare.com Email ID: openoffer@markcorporateadvisors.com Contact Person: Ms. Deepali Gaonkar Investor Grievance Email ID: SEBI Reg. No.: INR000001112 investorgrievance@markcorporateadvisors.com Contact Person: Mr. Manish Gaur SEBI Reg. No.: INM000012128 Offer Opens on : Tuesday, August 18, 2026 Offer Closes on : Tuesday, September 01, 2026 SCHEDULE OF MAJOR ACTIVITIES PERTAINING TO THE OFFER: Original Schedule Revised Schedule (1) Nature of Activity Day & Date Day & date 1) Public Announcement Saturday, Saturday, June 06, 2026 June 06, 2026 2) Last Date of publishing the Detailed Public Statement Friday, Friday, June 12, 2026 June 12, 2026 3) Last date for filing of Draft Letter of Offer with SEBI Friday, Friday, June 19, 2026 June 19, 2026 4) Last date of a Competing Offer(s) (2) Monday, Monday, July 06, 2026 July 06, 2026 5) Last date for receipt of SEBI observations on the DLOF (in the event SEBI has not sought clarifications or Monday, Friday, July 31, additional information from the Manager) (3) July 13, 2026 2026 6) Identified Date(4) Wednesday, Tuesday, August July 15, 2026 04, 2026 7) Last date by which the Letter of Offer will be dispatched to the Eligible Equity Shareholders as on the identified Wednesday, Tuesday, August date July 22, 2026 11, 2026 8) Last date by which the recommendation of the committee of Independent Directors of the Target Company will be Friday, Friday, August given and published July 24, 2026 14, 2026 9) Last Date for revising the Offer Price/number of shares Monday, Monday, August July 27, 2026 17,2026 10) Date of Public Announcement for Opening the Offer Tuesday, Monday, July 28, 2026 August 17, 2026 11) Date of Commencement of the Tendering Period (“Offer Wednesday, Tuesday, Opening Date”) July 29, 2026 August 18, 2026 12) Date of Closing of the Tendering Period (“Offer Closing Tuesday, Tuesday, Date”) August 11, September 01, 2026 2026 13) Last date for communicating Rejection/acceptance and payment of consideration for accepted equity shares or Tuesday, Wednesday, equity share certificate/return of unaccepted share August 25, September 16, certificates/credit of unaccepted shares to Demat Account 2026 2026 Notes: (1) Where last dates are mentioned for certain activities, such activities may take place on or before the respective last dates. (2) There is no competing offer to this Offer. (3) Actual date of receipt of SEBI observations on the DLoF. (4) Identified Date is only for the purpose of determining the names of the Public Shareholders as on such date to whom the LoF will be sent. It is clarified that all the holders (registered or unregistered) of Equity Shares of the Target except the Acquirer and the Promoter sellers of the Target Company, are eligible to participate in this Offer any time during the tendering period of the Offer. RISK FACTORS: Given below are the risks related to the proposed Offer and those associated with the Acquirer: Risks Relating to the Underlying Transaction and the Proposed Open Offer: 1) This Offer is a mandatory offer in terms of Regulations 3(1) and 4 of SEBI (SAST) Regulations, 2011. 2) The consummation of the Underlying Transaction is subject to various conditions as specified under the Share Purchase Agreement dated June 06, 2026. 3) Withdrawal of Open Offer: (a) As on date, there are no Sta [Showing first 8,000 characters — download PDF for full document]