Indo Borax Open Offer: Zenrock Chemicals Executes Mandatory Acquisition at ₹256.30
Indo Borax & Chemicals has officially disclosed a mandatory open offer following Zenrock Chemicals' acquisition of 50.80% stake from promoters at ₹256.30 per share. The transaction triggers an additional open offer for 26.00% public shareholding worth ₹213.84 crores, with comprehensive financing arrangements and regulatory compliance under SEBI takeover regulations.

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Indo Borax & Chemicals has become the subject of a mandatory open offer following the execution of a Share Purchase Agreement on December 15, 2025. Zenrock Chemicals Private Limited, along with consortium partners India Special Assets Fund III, ISAF III Onshore Fund, and Special Situation India Fund, has acquired 50.80% shareholding from promoters at ₹256.30 per share, triggering regulatory compliance requirements under SEBI takeover regulations.
Official Regulatory Disclosure
The company has issued an official disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, confirming receipt of the public announcement from IIFL Capital Services Limited. The disclosure was made to both BSE Limited and National Stock Exchange of India Limited on December 15, 2025.
| Regulatory Parameter: | Details |
|---|---|
| Disclosure Date: | December 15, 2025 |
| Manager to Open Offer: | IIFL Capital Services Limited |
| Stock Exchanges: | BSE (524342), NSE (INDOBORAX) |
| ISIN Code: | INE803D01021 |
Open Offer Structure and Compliance
The acquisition has necessitated a mandatory open offer to public shareholders for an additional 26.00% of voting share capital, representing 83,43,400 equity shares. The offer maintains the same price of ₹256.30 per share, with total consideration reaching ₹2,13,84,13,420.00 assuming full acceptance.
| Open Offer Parameter: | Details |
|---|---|
| Offer Size: | 83,43,400 equity shares (26.00%) |
| Offer Price: | ₹256.30 per share |
| Total Consideration: | ₹2,13,84,13,420.00 |
| Payment Mode: | Cash |
| Tendering Period: | 10 working days |
| Type: | Triggered mandatory offer |
Acquisition Details and Consortium Structure
The underlying transaction involves Zenrock Chemicals as the primary acquirer, supported by three persons acting in concert (PACs). The distribution of acquired shares reflects a strategic consortium approach to the takeover.
| Acquirer/PAC: | Shares Acquired | Stake Percentage |
|---|---|---|
| Zenrock Chemicals: | 98,82,230 shares | 30.80% |
| India Special Assets Fund III: | 23,87,496 shares | 7.44% |
| ISAF III Onshore Fund: | 24,26,004 shares | 7.56% |
| Special Situation India Fund: | 16,04,500 shares | 5.00% |
| Total Acquisition: | 1,63,00,230 shares | 50.80% |
Promoter Exit and Shareholding Transfer
The transaction represents a complete exit by existing promoters, with all selling entities transferring their entire holdings. The promoter group members involved in the sale include key stakeholders who have controlled the company's operations.
| Selling Promoter: | Shares Sold | Stake Percentage |
|---|---|---|
| Sajal Sushilkumar Jain: | 84,53,000 shares | 26.35% |
| Saumya Sajal Jain: | 46,30,810 shares | 14.43% |
| Sreelekha Sajal Jain: | 20,77,020 shares | 6.47% |
| Sajal Sushilkumar Jain HUF: | 9,05,000 shares | 2.82% |
| Shubhra Jain Sivaradjou: | 2,32,000 shares | 0.72% |
| Pranika Saumya Jain: | 2,400 shares | 0.00% |
Financing and Control Arrangements
Zenrock Chemicals has established comprehensive financing arrangements with the PACs through debenture and preference share structures. The PACs have subscribed to ₹390.00 crores in secured debentures and ₹75.00 crores in compulsorily convertible preference shares, providing necessary financial resources for the acquisition.
| Financing Component: | Amount |
|---|---|
| Secured Debentures: | ₹390.00 crores |
| Preference Shares: | ₹75.00 crores |
| Total Financing: | ₹465.00 crores |
Under the Limited Purpose Agreement executed alongside the main transaction, Zenrock will exercise sole control over Indo Borax & Chemicals and become the new promoter. The PACs, while participating in the acquisition, will not exercise control and are designated as persons acting in concert solely for this transaction's purpose.
Regulatory Timeline and Next Steps
The open offer operates under SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011. A Detailed Public Statement will be published within five working days, by December 22, 2025, containing comprehensive offer terms and conditions. The acquirers have confirmed adequate financial resources and firm financing arrangements to meet all regulatory obligations.
The transaction does not involve any intention to delist Indo Borax & Chemicals, ensuring continued public trading of shares. IIFL Capital Services Limited serves as the Manager to the Open Offer, facilitating the regulatory compliance process.
Historical Stock Returns for KEC International
| 1 Day | 5 Days | 1 Month | 6 Months | 1 Year | 5 Years |
|---|---|---|---|---|---|
| +2.02% | +3.00% | -10.22% | -21.75% | -40.52% | +87.15% |
















































