The Exchange has received the disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 for High Energy Batteries (India) Ltd

Seshasayee Paper and Boards Limited Regd Office & Works : Pallipalayam, Namakkal District, Erode-638007, Tamilnadu, India.Ph : 91-4288 -240221 to240228, Fax: 91-4288-240229 email :edoff@spbltd.com Web: www.spbltd.com CIN:L21012TZ1960PLC000364 Ref: SHI S-61 984 2026.10.27 National Stock Exchange of India Limited Corporate Services Department Exchange Plaza, 5th Floor BSELimited Plot No C/1, G Block Floor 25, PJ Towers Bandra - Kurla Complex, Bandra (E) Dalal Street Mumbai 400 051 Mumbai 400 001 Scrip Code : SESHAPAPER Scrip Code: 502450 Dear Sir, Sub: Disclosure under Regulation 29(2) of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011. Please find enclosed herewith the disclosure received from Mls High Energy Batteries (India) Limited, made under Regulation 29(2) of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 and received by us on October 27, 2026, by E-mail. Pleasetake the above on record. Thanking you, Yours faithfully For Seshasayee Paper and Boards Limited S SRINIVAS Director (FinC!,nce)& Secretary DIN: 09713128 ~<::'<::'~~ft' 0 1:1",'" ,..., .. . ,I ":. . 0 Ref: SECY/2026 - 27/092 October 27, 2026 M/s. Seshasayee Paper and Boards Limited Pallipalayam, Namakkal District, Erode – 638 007. Dear Sir, Sub: Disclosure under Regulation 29(2) of the Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011. Please find enclosed herewith a Disclosure dated 27.10.2026, pursuant to Regulation 29(2) of the Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations 2011, regarding acquisition (purchase) of 1,40,000 equity shares of the face value of Rs. 2/- each (constituting 0.222% in the capital of the Company) at the Company, on October 27, 2026 through Open Market Purchases. This letter is intended for the information and record of the Company. Thanking you, For High Energy Batteries (India) Limited (V. Anantha Subramanian) Company Secretary & Compliance Officer [FCS No: 13399] Encl: as above Cc: BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai – 400 001 Disclosures under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 and SEBI (Prohibition of Insider Trading) Regulations, 2015 Name of the Target Company (TC) Seshasayee Paper and Boards Limited Name(s) of the acquirer and Persons Acting in High Energy Batteries (India) Limited Concert (PAC) with the acquirer Whether the seller belongs to Promoter / Yes Promoter group Name(s) of the Stock Exchange(s) where the NSE / BSE shares of TC are Listed Details of the acquisition as follows Number % w.r.t. total % w.r.t. total share/voting diluted capital share/voting wherever capital of the applicable (*) TC (**) Before the disposal under consideration, holding of: (a) Shares carrying voting rights 106645 0.169 -- (b) Shares in the nature of encumbrance -- -- -- (pledge/ lien/ non-disposal undertaking/ others) (c) Voting rights (VR) otherwise than by shares -- -- -- (d) Warrants/convertible securities/any other -- -- -- instrument that entitles the seller to receive shares carrying voting rights in the TC (specify holding in each category) (e) Total (a+b+c+d) 106645 0.169 -- Details of acquisition (a) Shares carrying voting rights acquired 140000 0.222 -- (b) VRs acquired /sold otherwise than by shares -- -- -- (c) Warrants/convertible securities/any other -- -- -- instrument that entitles the acquirer to receive shares carrying voting rights in the TC (specify holding in each category) acquired/sold (d) Shares encumbered / invoked/released by -- -- -- the seller (e) Total (a+b+c+/-d) 140000 0.222 -- After the acquisition/ sale, holding of: (a) Shares carrying voting rights 246645 0.391 -- (b) Shares encumbered with the acquirer -- -- -- (c) VRs otherwise than by shares -- -- -- (d) Warrants/convertible securities/any other -- -- -- instrument that entitles the acquirer to receive shares carrying voting rights in the TC (specify holding in each category) after acquisition (e) Total (a+b+c+d) 246645 0.391 -- Mode of acquisition Open Market Price at which the shares were purchased Rs.214.90 per share Exchange on which the trade was executed NSE Date of acquisition of shares October 27, 2026 Equity share capital / total voting capital of the 63068140 shares with face value of TC before the said acquisition / sale Rs 2/- each Equity share capital/ total voting capital of the TC 63068140 shares with face value of after the said acquisition / sale Rs 2/- each Total diluted share/voting capital of the TC after NA the said acquisition / sale (*) Total share capital/ voting capital to be taken as per the latest filing done by the company to the Stock Exchange under Clause 35 of the listing Agreement. (**) Diluted share/voting capital means the total number of shares in the TC assuming full conversion of the outstanding convertible securities/warrants into equity shares of the TC. Signature of the acquirer/Authorised Signatory Date: October 27, 2026 Place: Chennai