Manufacture of chemicals and chemical products Tenders Gauteng | September 2026

The csir reserves the right to: 12.1 Extend the closing date of this EOI; 12.2 Correct any mistakes before closing date and time of the tender that may have been in the bid documents or occurred at any stage of the tender process; 12.3 Verify any information contained in the bidder’s submission; 12.4 Request documentary proof regarding the bidder’s submission; 12.5 Carry out site inspections, product evaluations or explanatory meetings in order to verify the nature and quality of the product/service offered by the bidder(s) or verify any information whether before or after the adjudication of this EOI; 12.6 Award this tender to a bidder that did not score the highest total number of points, only in accordance with section 2(1)(f) of the PPPFA (act ); 12.7 Request audited financial statements or other documents for the purpose of a due diligence exercise to determine if the bidder will be able to execute the contract; 12.8 Award this EOI as a whole or in part; expression of interest (EOI) csir EOI no:7047/28/09/2026 of 41 12.9 Award this EOI to multiple bidders; 12.10 Cancel and/or terminate the tender process at any stage, including after the closing date and/or after presentations have been made, and/or after tenders have been evaluated and/or after the preferred bidder(s) have been notified of their status as such; 12.11 Post tender negotiate on any elements on the bid, including but not limited to technical, transformation, price, and contractual terms and conditions.; 12.12 Not to award a contract to a bidder who is associated with a security breach that materially adversely affects other entities or if any directors or officers of a bidder are formally charged of fraudulent or illegal conduct which, would harm the csir’s reputation by its continued association with the bidder. 13 conflict of interest, corruption and fraud 13.1 The csir reserves its right to disqualify any bidder who either itself or any of whose members (save for such members who hold a minority interest in the bidder through shares listed on any recognised stock exchange), indirect members (being any person or entity who indirectly holds at least a 15% interest in the bidder other than in the context of shares listed on a recognised stock exchange), directors or members of senior management, whether in respect of csir or any other government organ or entity and whether from the republic of south africa or otherwise ("government entity") a. Engages in any collusive tendering, anti-competitive conduct, or any other similar conduct, including but not limited to any collusion with any other bidder in respect of the subject matter of this bid; b. Seeks any assistance, other than assistance officially provided by a government entity, from any employee, advisor or other representative of a government entity in order to obtain any unlawful advantage in relation to procurement or services provided or to be provided to a government entity; c. Makes or offers any gift, gratuity, anything of any value or other inducement, to any government entity's officers, directors, employees, advisors or other representatives in order to obtain any unlawful advantage in relation to procurement or services provided or to be provided to a government entity; expression of interest (EOI) csir EOI no:7047/28/09/2026 of 41 d. Accepts anything of value or an inducement that would or may provide financial gain, advantage or benefit in relation to procurement or services provided or to be provided to a government entity; e. Pays or agrees to pay to any person any fee, commission, percentage, brokerage fee, gift or any other consideration, that is contingent upon or results from, the award of any tender, contract, right or entitlement which is in any way related to procurement or the rendering of any services to a government entity; f. Has in the past engaged in any matter referred to above; or g. Has been found guilty in a court of law on charges of fraud and/or forgery, regardless of whether or not a prison term was imposed and despite such bidder, member or director’s name not specifically appearing on the list of tender defaulters kept at national treasury. 14 misrepresentation during the lifecycle of the contract 14.1 The bidder should note that the terms of its tender will be incorporated in the proposed contract by reference and that the csir relies upon the bidder’s tender as a material representation in making an award to a successful bidder and in concluding an agreement with the bidder. 14.2 IT follows therefore that misrepresentations in a tender may give rise to service termination and a claim by the csir against the bidder notwithstanding the conclusion of the service level agreement between the csir and the bidder for the provision of the service in question. In the event of a conflict between the bidder’s proposal and the service level agreement concluded between the parties, the service level agreement will prevail. 15 preparation costs and limitation of liability the bidder will bear all its costs in preparing, submitting and presenting any response or tender to this bid and all other costs incurred by IT throughout the bid process. Furthermore, NO statement in this bid will be construed as placing the csir, its employees or agents under any obligation whatsoever, including in respect of costs, expenses or losses incurred by the bidder(s) in the preparation of their response to this bid. Expression of interest (EOI) csir EOI no:7047/28/09/2026 of 41 a bidder participates in this bid process entirely at its own risk and cost. The csir shall not be liable to compensate a bidder on any grounds whatsoever for any costs incurred or any damages suffered as a result of the bidder’s participation in this bid process.

Returnable documents:

- Complete and submit the ESKOM method statement template as a returnable document. - The method statement must cover: scope of work, smart objectives, customer focus, competency and training, PPE, tools and equipment, leadership and values, risk management, process improvement, data analysis, and relationship/stakeholder management. - Submit the completed tender response by the closing date and time (see tender record for exact date and time). - Ensure all sections of the method statement are filled in with detailed, specific information relevant to the supply and delivery of sodium bicarbonate. - Failure to submit a complete method statement may lead to disqualification.

Submit in dual format: (1) physical: sealed outer envelope containing two separate sealed envelopes (technical proposal and pricing proposal) to ppecb tender box, main reception, ppecb head office, 45 silwerboom avenue, plattekloof, cape town, 7500. Mark outer envelope: 'RFP/LAB/CHEMICALS/2026/06 - supply and delivery of laboratory chemicals for ppecb'. (2) electronic: via microsoft onedrive, shared with [email protected] And [email protected]. Electronic files must include pdf (signed) + excel pricing matrix (unencrypted). Deadline: 24 june 2026, 16:30. Late submissions disqualified. Technical proposal (envelope 1): NO pricing allowed (automatic disqualification if included). Pricing proposal (envelope 2): NO technical info allowed. Required forms: sbd1, sbd4, sbd6.1, Signed cover letter, technical proposal, specification document, b-bbee certificate, tax compliance certificate. Joint ventures must include jv agreement, tax certificates for all members, shareholder/id proofs, and company registration certificates. Structure electronic submission in same sequence as physical submission, with folders named accordingly.

• Supply of the required laboratory chemicals • delivery to the designated gauteng locations • compliance with south african public procurement regulations and submission by 22 may 2026