Execution of Lead Marketing, Sales and Project Collaboration Agreement with CATS Eco Systems Private Limited.

Date: 03 November, 2026 The Corporate Relations Department, BSE Limited, P J Tower, Dalal Street, Fort, Mumbai-400001 BSE Scrip Code: 512115 Scrip ID: ROSEMER Kind Attn: Corporate Relationship Dept. Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Execution of Lead Marketing, Sales and Project Collaboration Agreement with CATS Eco Systems Private Limited Dear Sir/Madam, Pursuant to Regulation 30 read with the applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that Rose Merc Limited has entered into a Lead Marketing, Sales and Project Collaboration Agreement with CATS Eco Systems Private Limited. The arrangement is aimed at exploring and developing business opportunities through collaboration in the areas of marketing, sales and project development of the approved products of CATS Eco Systems Private Limited. The collaboration is expected to support the Company's business expansion, strengthen its market presence and create opportunities for additional revenue generation. The detailed disclosures in respect of the said arrangement, as required under Regulation 30 of the SEBI Listing Regulations, are enclosed herewith as “Annexure A”. We request you to kindly take the above information on record. Thanking you, Yours faithfully, For ROSE MERC LIMITED Vaishali Parkar Kumar Managing Director DIN: 09159108 Encl.: As above Annexure A Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30 January 2026. Sr. Particulars Description 1. Name(s) of the parties with whom the 1. Rose Merc Limited agreement is entered into 2. CATS Eco Systems Private Limited 2. Purpose of entering into the agreement The agreement has been entered into with the objective of establishing a business collaboration for identifying business opportunities and undertaking marketing, promotion, sales and project development activities in relation to the approved products of CATS Eco Systems Private Limited. The arrangement is intended to facilitate business development, expand market reach and explore additional revenue- generating opportunities for the Company in the industrial technology segment. 3. Size of the agreement The agreement does not specify any fixed contract value or upfront consideration. The commercial terms shall be mutually agreed upon on a project/order basis. Accordingly, the overall value is presently not quantifiable. 4. Shareholding, if any, in the entity with Not applicable whom the agreement is executed 5 Significant terms of the agreement CATS Eco Systems Private Limited has appointed Rose Merc Limited as its Lead Partner for marketing, promotion and resale of approved products. Rose Merc shall undertake business development, lead generation and sales coordination, while CATS shall be responsible for manufacturing, product quality and technical support. Commercial terms, including pricing and revenue sharing, shall be mutually agreed upon on a project basis, with 20% advance payment as the standard payment term. The agreement does not provide for blanket exclusivity, but registered business opportunities may carry exclusivity for 18 or 24 months, depending on project value. The minimum sales commitment shall be reviewed after one year from the first customer order. The agreement is valid for five years from November 3, 2026, subject to renewal or earlier termination in accordance with its terms. It is governed by Indian law, with arbitration seated at Nashik, Maharashtra, and does not envisage any change in the management or control of Rose Merc Limited. 6 Whether the parties are related to the Not applicable promoter/promoter group/group companies in any manner. If yes, nature of relationship 7 Whether the transaction would fall within The transaction does not constitute a related party transaction under the related party transactions? If yes, whether applicable provisions of the Companies Act, 2013 and SEBI Listing the same is done at arm's length Regulations. 8 In case of issuance of shares to the parties, Not applicable details of issue price and class of shares issued 9 Any other disclosures related to the Not applicable agreement, including nominee directors or potential conflict of interest