Submission of Newspaper Advertisement for the 51st Annual General Meeting (AGM) of the Company to be held on Friday, 28th August, 2026 at 11:30 A.M IST through Video Conferencing

R /el Cuygen v (An ISO 9001 : 2015 Company) Manufacturer of : Liquid & Gaseous Oxygen, Liquid & Gaseous Nitrogen, Liquid & Gaseous Nitrous Oxide, Liquid & Gaseous Medical Oxygen & Dissolved Acetylene Gas Regd. Office : S-1, 2nd Floor, Alsa Mall, New No.4 Old No.149, Montieth Road, Egmore, Chennai - 600 008. " Ph: (044) 2852 0096 / 97 / 98 Fax : (044) 2852 0095 E-mail : sales @nolgroup.com, contact@nolgroup.com, CIN No. L24111TN1974PLC006819 Date: 08 August, 2026 The Compliance Department BSE Limited Phiroze JeejeeBhoy Towers, Dalal Street, Fort, Mumbai - 400001 Reference: Scrip Code: 507813; ISIN: INE296D01010 Dear Sir/Ma’am, Subject: Submission of Newspaper Advertisement(s) for the 515t Annual General Meeting (AGM) of National Oxygen Limited (the Company) through VC/OAVM & E- Voting Facility Pursuant to Regulation 47 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘SEBI Listing Regulations’) and Section 108 of the Companies Act, 2013, Rule 20 of the Companies (Management and Administration) Rules, 2014 read with MCA General Circular No. 03/2025 dated 221 September 2025 and previous circulars issued in this regard, please find enclosed herewith the copies of newspaper advertisement(s) published in "Trinity Mirror" English language newspaper (Chennai Edition) and "Makkal Kural" Tamil language newspaper (Chennai Edition) on 7t August, 2026. The said post-dispatch advertisement is given intimating the Members of the Company that the 51" Annual General Meeting (AGM) of the Company will be held on Friday, 28" August, 2026 at 11:30 AM (IST) through Video Conferencing (‘VC’)/Other Audio-Visual Means (‘'OAVM). You are requested to kindly take the same on your records. Yours Faithfully, For National Oxygen Limited Rajesh Kumar Saraf Managing Director DIN: 00007353 Breathing Life Into Industry FACTORY 1 R.S. No. 126/4 A, Pondy - Villupuram Road, Thiruvandar Koil, Puducherry - 605 102. Phone : (0413) 2640448 Fax : (0413) 2640181 E-mail : nolp@ noolgnroudp.cyom FACTORY 2 : R-5, Sipcot Industrial Growth Centre, Perundurai, Erode - 638 052, Tamilnadu, Ph : (04294) 234145 E-mail : nolperundurai@nolgroup.com FACTORY 3 Plot No.4, Sidco Industrial Estate - Mathur (New) Kainankarai, Mathur - 622515. Pudukottai Dist Mobile : 99400 82462 E-mail : nolt@ rnoligrcouph.cyom MIRROR CHENNALI - 7-AUGUST-2026 Villupuram targets 100% Food and Civil Supplies Minister P. pass in C lass 10, 12 Venkataramanan chairs a review meeting at the Villupuram, Aug. 7: question paper pattern. Secretariat in Chennai Villupuram district Chapter-wise model on Wednesday to discuss has rolled out a series question papers will be the Food and Consumer of measures aimed at prepared at the district Protection Department’s improving Class 10 level and distributed to policy note and key and Class 12 public all schools, while students announcements proposed examination results for will also be trained using for the forthcoming the 2026-27 academic question papers from the Assembly grant demands. year, including special past five years' public coaching for slow learmers, Senior officials, including examinations. Minimum Additional Chief attendance monitoring, Learning Materials will Secretary P. Amudha chapter-wise tests and be supplied to schools and heads of the Tamil exposure visits to higher by September or October. education institutions. The Nadu Civil Supplies The district initiatives were finalised at Corporation and other administration has also a review meeting chaired department agencies, directed schools to by Collector Sheikh Abdul organise exposure visits participated. Rahman on Thursday with for Class 12 students to officials from the School leading higher education Bear Strays into Ambasamudram Education Department. institutions in Tamil The Collector directed Nadu, including Anna Railway Station, Sparks Panic education officials to University, to create identify students who awareness about higher require additional academic support in all education opportunities. Tirunelveli, Aug. 7: 123 government higher Schools have also been A bear entered secondary schools in the asked to encourage Ambasamudram railway students to make use district. Schools have also station in Tirunelveli of the 7.5% reservation district carly on Thursday, been asked to monitor for government school triggering panic among students with less than students in professional 75% attendance, identify passengers and residents courses and display cut- the reasons for absenteeism amid growing concern and take steps to improve off marks for various over increasing human- professional programmes to attendance. Officials were wildlife conflict in the instructed to prepare a help them make informed region. list of students who have choices. The Collector Passengers at the lost one or both parents asked headmasters and station spotted the animal and ensure they continue teachers to closely monitor in the carly hours, and their education without students’ academic progress and ensure timely photographs of the bear interruption. To improve later circulated widely on examination performance, interventions so that more attacking people. The take preventive measures social media. No injuries to keep wild animals schools will conduct students secure higher issue gained attention uniform unit and monthly marks in the upcoming were reported. away from populated recently after a plantation tests using a common board examinations. The incident comes . areas and public places h watchman was killed again N st t : he ba - ckdrop - of i. n a bear attack near such as railway stations. NAME CHANGE a rise in wild animal P Resident movement from the haa vp ea n aa ls soa m r. e portR ee ds id be en at rs s NAME CHANGE ‘Western Ghats into villages I, MANOI J alies MANOI entering residential areas around Ambasamudram, JEYABALMURUGAN, s/o. and even temple premises Thiru Jeyapaul Murugan, Date of Kallidaikurichi, Papanasam Birth: 04.02.1986, (District and Vikramasingapuram. in search of food. of Birth: Tirunelveli), residing With sightings at NO.218/s, MADATHU THERU, Elephants, bears and wild SERNTHAMANGALAM, TIRUNELVEL] boars have frequently becoming more frequent, —627857. shall henceforth be known as MANOJ JEAPAUL local residents have urged entered farmlands in MURUGAN recent months, damaging the Forest Department to MANOJ J alias MANOJ JEYABALMURUGAN crops and, in some cases, strengthen monitornig and NATIONAL OXYGEN LIMITED L24111TN1974PLC00GE19 Door No. -1, Alsa Mall, No.4, (0ld No.149) Montieth Road, Egmore, Chennai ~ 600008, Tamilnadu Email: contact@nolgroup.com Website: www.nolgroup.com Notice is hereby given that the 51 Annual General Meeting (AGM) of the Company will be held on Friday, 28% August, 2026 at 11.30 AM (ST), through video conference and other audiovisual means in compliance with General Girculars and all applicable laws issued by the Ministry of Corporate Affais (MCA), Government of India and Securites and Exchange Board of India (‘SEBI)to transact the businesses thatis mentioned in the Notice of the Meeting In complance with the circulars and owing to the difficuies involved in dispatching the physical copies, kindly note that electronic copies of the Notice of the AGM and Annual Report for FY 2025-2026 s also sent to all the Members whose email addresses are registered with the Company/ Depository Perticipant(s) within the prescribed timeline. The notice of the 51+ AGM and Annual Report for FY 2025- 2026 s also made available o the Gompany's website, at www.nolgroup.com, Stock Exchange websites and on the depositories’ website. These documents can be downloaded from www.nolgroup.com as well as from the website of Bombay Stock Exchange Members holding shares in dematerialized mode are requested to register their email addresses and mobile numbers with their relevant depositories through their depositary partcipants. Members holding shares in physical mode are requested to furnish their email [Showing first 8,000 characters — download PDF for full document]