Consumption_Elect Average consumption of Electricity (kWh) Premises Types Jul-24 Aug-24 Sep-24 Oct-24 Nov-24 Dec-24 Jan-25 Feb-25 Mar-25 Apr-25 May-25 Jun-25 HDB 1-Room 140 151 148 139 142 128 127 121 119 128 136 150 HDB 2-Room 183 198 192 183 186 166 168 161 156 169 181 195 HDB 3-Room 264 283 277 266 266 243 238 231 231 250 265 284 HDB 4-Room 360 385 381 363 365 338 327 320 309 341 363 390 HDB 5-Room 416 447 446 427 429 397 379 374 359 399 425 457 HDB Executive 515 546 548 520 523 481 462 458 445 495 522 562 Apartment 500 513 539 523 519 486 446 419 417 476 516 548 Terrace 838 847 885 851 851 785 747 744 714 775 823 881 Semi-Detached 1,128 1,126 1,168 1,137 1,141 1,056 1,000 974 960 1,031 1,080 1,173 Bungalow 2,220 2,121 2,347 2,192 2,190 2,012 2,004 1,872 1,904 2,016 2,154 2,244 Note: The figures exclude electricity consumption for PAYU customers and customers who are not purchasing electricity at the regulated tariff.

Utility Bill Avg_With Gas Utility Bill Average ($) for households with gas Premises Types Oct-24 Nov-24 Dec-24 Jan-25 Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 Aug-25 Sep-25 HDB 1-Room 83.11 84.19 79.07 78.29 77.04 73.76 80.08 82.78 87.43 83.34 86.23 82.42 HDB 2-Room 96.90 97.62 92.27 91.27 89.30 85.50 92.72 97.00 100.66 97.91 99.45 95.00 HDB 3-Room 123.83 123.57 117.18 114.72 112.98 109.85 119.73 124.51 129.34 124.22 126.71 122.50 HDB 4-Room 146.17 146.88 140.21 135.59 135.07 130.30 142.95 148.52 154.60 149.22 151.99 147.59 HDB 5-Room 156.08 156.45 149.31 142.48 144.01 139.05 152.34 157.84 164.50 159.46 162.46 157.97 HDB Executive 172.04 172.61 163.45 157.40 159.60 154.76 169.93 174.70 182.36 177.32 179.80 175.34 Apartment 186.36 183.84 175.37 163.41 158.33 158.04 175.68 183.56 189.46 182.17 184.14 182.73 Terrace 291.00 290.49 277.89 263.67 267.59 261.56 279.64 288.94 301.97 291.01 298.11 292.67 Semi-Detached 366.17 370.19 349.08 335.83 332.11 329.24 351.85 364.56 382.10 371.24 376.26 370.72 Bungalow 719.32 712.26 661.91 659.36 621.11 635.40 675.97 699.68 725.88 709.75 708.95 728.77 Note: The figures exclude electricity charges for PAYU customers and customers who are not purchasing electricity at the regulated tariff. Utility Bill Avg_WO Gas Utility Bill Average ($) for households without gas Premises Types Oct-24 Nov-24 Dec-24 Jan-25 Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 Aug-25 Sep-25 HDB 1-Room 74.36 75.37 70.55 69.80 67.47 64.90 70.52 74.13 78.40 75.61 77.97 73.97 HDB 2-Room 88.22 88.72 83.62 82.58 80.06 76.74 83.39 87.87 91.84 89.70 91.17 86.56 HDB 3-Room 111.35 111.05 105.02 102.49 100.23 97.68 106.96 112.09 116.92 112.61 114.89 110.33 HDB 4-Room 130.76 131.35 125.25 120.76 119.36 114.92 126.86 133.11 139.31 134.99 137.35 132.51 HDB 5-Room 138.87 139.24 132.77 126.41 126.62 121.76 134.46 140.89 147.54 143.70 146.23 141.18 HDB Executive 153.95 154.44 146.15 140.37 140.97 136.47 150.92 156.71 164.42 160.31 162.51 157.57 Apartment 164.23 161.75 154.01 142.43 135.55 134.92 152.04 161.94 168.66 163.45 164.54 161.05 Terrace 263.93 263.37 250.88 239.06 240.95 235.09 253.19 263.33 276.05 267.47 273.88 266.42 Semi-Detached 336.52 340.26 319.77 307.20 301.32 299.32 321.27 335.61 352.45 342.67 347.15 340.35 Bungalow 667.03 661.57 617.06 610.72 573.47 585.41 625.30 651.42 679.81 663.52 665.92 680.97 Note: The figures exclude electricity charges for PAYU customers and customers who are not purchasing electricity at the regulated tariff.

THE STRAITS TIMES SP Group partners Chengdu district government to develop smart eco-district Artist's impression of the International Urban Design Centre in Wuhou district in Chengdu, China. PHOTO: THREE KINGDOMS THEMED INNOVATION PARK MANAGEMENT COMMITTEE OF WUHOU DISTRICT, CHENGDU Janice Heng PUBLISHED JUL 13, 2021, 10:44 PM SGT SINGAPORE (THE BUSINESS TIMES) - Singapore's national grid operator SP Group is partnering Wuhou district in Chengdu, China, to develop a smart-eco district, with an initial project worth S$110 million, it said in a statement on Tuesday. SP signed two memoranda of understanding (MOUs) with the district government, and was appointed the energy and building solutions partner for International Urban Design Centre (IUDC) in Wuhou. Under the MOUs, SP will be the sustainable-energy solutions partner to the district government, providing smart solutions in line with the city's urban renewal master plan. There is an estimated rejuvenation pipeline of over 630,000 sq m in gross floor area over the next five years, said SP. In the first phase of the partnership, SP will design, build, own and operate an integrated energy solution that includes district cooling and heating systems, smart metering, energy management and monitoring for IUDC over the next 25 years, at an estimated total contract value of S$110 million. The IUDC consists of four existing buildings with an estimated gross floor area of 48,000 sq m.

About SP GroupBoard of DirectorsExecutive Leadership TeamAwards & AffiliationsAnnual ReportsSustainability Sustainability Our Sustainability Commitment Sustainability is integral to our corporate purpose of empowering the future of energy through low-carbon, smart solutions. As Singapore’s national grid operator, we deliver reliable electricity and gas through one of the world’s most efficient networks. We also empower businesses in Singapore and the region with sustainable energy solutions, helping them achieve their sustainability goals. In creating long-term value for our stakeholders, we focus our sustainability efforts on three strategic pillars: Stewarding Environmental Action, Caring for Our People and Community, and Championing Responsible Growth. Read here SP Group Sustainability Framework Aligning towards shared focus areas, targets and metrics SP Group views sustainability as a strategic imperative that underpins our goal of empowering the future of energy for everyone. In our unique national role, we enable Singapore’s energy transition while helping commercial and industrial customers decarbonise toward their climate targets. We carry out these national and ecosystem responsibilities supported by a consistent sustainability framework applied through the organisation. Within our sustainability framework, we focus our efforts on three strategic pillars: Stewarding Environmental Action, Caring for Our People and Community, and Championing Responsible Growth underpinned by seven material topics that were determined through a structured materiality assessment. Material Topics 1. Stewarding Environmental Action Read more 2. Caring for our People and Community Read more Read more Read more 3. Championing Responsible Growth Read more Read more Read more * While we aim to reach net zero by 2050, covering our absolute scope 1 and 2 emissions, Singapore faces constraints in renewable energy deployment and nascency in hydrogen technology. As more than 90% of our emissions are beyond our direct control - our aim to reach net zero is therefore contingent upon i) rapid decarbonisation of Singapore’s power generation and replacement of natural gas with hydrogen; ii) reliability, availability and economic viability of technological advances and low-carbon technologies, such as EVs for industrial uses, green transportation, fuels, SF6 and refrigerant replacements; and iii) effective international collaboration in areas such as carbon credits (e.g. Article 6 of the Paris Agreement). Sustainability Governance The Board formed the Board Sustainability Committee (SC) to oversee and monitor sustainability and climate-related strategies, plans, committments and policies. The Executive Leadership Team (ELT), guided by the Sustainability Committee, is tasked with implementing practical applications of SP Group's sustainability strategy. The ELT is supported by the Sustainability Team. The Sustainability Team monitors sustainability matters, guides the organisation on its corporate sustainability reporting obligations, and embeds sustainability strategies and initiatives across the business. The Sustainability Taskforce comprising representatives from key business units, drives and executes initiatives to enhance sustainability integration across all facets of the organisation. The Taskforce works in close partnership with the Sustainability Team. Past Sustainability Reports and Reviews Sustainability Report FY2024/2025 Sustainability Report FY2023/2024 Sustainability Review FY2022/2023 Sustainability Review FY2021/2022 Sustainability Review FY2020/2021 Sustainability Review FY2019/2020

FAQs eBusiness Portal 1. Do I need to personally submit documents to SP Group? All supporting documents required for your requests/applications are to be uploaded onto the eBusiness portal. You need not visit SP Group personally to submit documents. 2. Can I access the portal without creating a user account? No, you need a valid user account to access the portal. 3. How many user accounts can I create? You can only create one user account per email address (For LEWs accounts, there can only be one account per LEW licence number). To create a new account, go to the eBusiness portal login page and click “Create new account”. 4. How will I know that my user registration is successful? You will receive a confirmation email containing a link to reset your password if your registration is successful. If you do not receive the email in your inbox, please check your "spam" or "junk" folder. 5. Is the SP eBusiness Portal free to use? Yes, it is. 6. Am I able to delete my user account after creation? No, user accounts cannot be deleted once created. 7. Why is my user account locked? After your account has been activated, your account will be locked if you entered your password wrongly five times. 8. How I do unlock my account? You can reactivate your account by going to the eBusiness portal login page and click “Account login issues”. Select “My account is locked – unlock my account” option. Follow the on-screen instructions and you will receive an email containing a link to reset your password. 9. What should I do if I forget my username and password? Go to the eBusiness Portal login page and click “Account login issues”. Select “Forget User ID / Password” option. Follow the on-screen instructions and you will receive an email containing a link to reset your password. 10. What are the functionalities of the dashboard? You can submit new applications and requests, view progress, upload documents, view/edit applications and download forms in PDF (entering equipment data and submitting claims for SP Contractors/Consultants). 11. The eBusiness portal login page looks quite odd on my computer screen. This website is best experienced on Google Chrome, and Microsoft Edge.

THE STRAITS TIMES BRANDED CONTENT He connects the nation to Singapore’s electricity grid From the NCCS building to the MCE tunnel, he and his team at SP Group power up new developments across the country Mr Abdul Latiff Muhamed Abdullah is the Principal Technical Officer involved in providing electricity connection for key infrastructural projects such as the Marina Coastal Expressway and the National Cancer Centre Singapore's new building. PHOTO: SP GROUP PUBLISHED JAN 6, 2023, 4:00 AM SGT Most of us can’t imagine a world without power. It lights up streets, warms our showers and charges our digital devices. It is also crucial to sustaining life, as SP Group (SP) Principal Technical Officer Abdul Latiff Muhamed Abdullah would tell you. The SP employee still remembers his heart swelling with pride when he switched on the power for the National Cancer Centre Singapore’s (NCCS) new building, which began operations in December 2022. Located in Singapore General Hospital’s campus, the new building is four times larger than the old one and is able to handle 200,000 patient visits a year. The grid powers the centre’s lifesaving medical equipment that the patients need for their cancer treatment. “I feel a sense of happiness and fulfilment each time I pass by the building, having been part of the team to lay the power cables and the privilege of switching the lights on for the first time,” says Mr Abdul Latiff. The 38-year-old oversees the commissioning of new substations, which connect new properties to the electricity grid maintained by SP. He is part of a team that links 1.6 million commercial, industrial and residential customers to SP’s grid. From hospitals to HDB flats and factories, Mr Latiff has commissioned them all in his 14- year career with SP. Get tips to grow your investments and career in weekly newsletter Enter your e-mail Sign up By signing up, you agree to our Privacy Policy and Terms and Conditions. Keeping the electricity flowing Last year, customers experienced a record low average of 6.6 seconds of electricity interruption, one of the lowest in the world. A typical day for Mr Abdul Latiff involves careful planning and managing the deployment of resources. “For areas with critical power dependency, such as data centres and hospitals, we need to be on high alert to respond to unexpected situations efficiently,” he says. As new projects come on stream, Mr Abdul Latiff and his team also take charge of linking up new substations to the grid through cable connections. Excavation is typically involved, which can be a tricky situation for the team. For instance, if the excavation takes place near the entrance of a hospital, the team has to make provisions for ambulances and other emergency vehicles to enter swiftly, while ensuring safety for his team and the successful connection of substations. “If we close one lane of the road for excavation, the ambulance may take a few more minutes than usual to enter the hospital. It could be a matter of life and death for emergency cases,” explains Mr Abdul Latiff. “These are critical details that I have to consider in minimising impact,” he adds. As new projects come on stream, Mr Abdul Latiff and his team commission new substations, integrating them into the grid. PHOTO: SP GROUP Safety is always paramount, even in the race against time Mr Abdul Latiff has had to work within some extremely tight deadlines, without compromising on safety and quality. His most challenging projects include powering the whole of the Marina Coastal Expressway (MCE), as well as setting up additional workers’ dormitories that were used as quarantine facilities when Singapore responded to the Covid-19 outbreak in 2020. For the latter, with close coordination from multiple agencies and clients to expedite infrastructural works, he managed to set up power in two weeks, instead of the usual 10 weeks a similar-sized project would take. Till today, he counts those two projects as some of his most memorable moments. “I started my career at SP from the ground up as a technician, working my way up to become a principal technical officer and learning as I go. Leading a team of technicians and technical officers to power through different challenges has been truly fulfilling,” says Mr Abdul Latiff. “The experience I’ve gained is something that money can’t buy,” he adds. Upskilling for the integration of renewable energy Beyond its role as the national grid operator, SP Group actively pursues sustainability initiatives as a key part of Singapore’s climate strategy. Its climate initiatives include a nationwide electric vehicle (EV) charging network, deploying renewable energy generation, and smart electricity metering to monitor and reduce usage. Mr Abdul Latiff, who graduated from Ngee Ann Polytechnic with an electrical engineering diploma in 2010, is now pursuing an electrical power engineering degree at the Singapore Institute of Technology, sponsored by SP. The modules cover topics including sustainable generation, renewable energy, smart grids, as well as electric vehicles and charging infrastructure so as to prepare the power sector workforce to meet the growing demand for cleaner, more sustainable energy options. The Tengah project is an example of SP’s clean energy efforts. It operates large-scale solar panel systems to power the Tengah HDB estate (including some public areas like the community centre), contributing to Singapore’s goal of achieving two gigawatt-peak solar capacity by 2030. The solar panels, coupled with other sources of renewable energy, will power centralised cooling, a climate-friendly home cooling option that Tengah residents can subscribe to. Based on energy savings of 5,178MWh for Tengah, the solar power project will reduce 2,115 tonnes of carbon emissions, equivalent to carbon absorbed by 105,757 trees for one year. SP is deploying both conventional and vertical solar panels (known as building-integrated photovoltaics, or BIPVs) in Tengah. When fully developed, Tengah will have one of the largest aggregated installations of BIPVs in Singapore. Mr Abdul Latiff and his team played a crucial role in the planning stages prior to connecting Tengah’s solar panels to the grid, ensuring that these panels deliver power optimally. Another emerging trend is the adoption of electric vehicles (EV). SP currently operates Singapore’s largest EV charging network, with 658 charging points across close to 160 locations. SP aims to scale up charging facilities at residential, commercial and industrial locations in tandem with the Singapore Green Plan 2030. Mr Abdul Latiff, who is upskilling his technical know-how, is already taking necessary steps to keep pace with emerging energy demands, such as the one needed to support Singapore’s electrification goals. Together with employees such as Mr Abdul Latiff, SP is evolving to support more complex power systems, designed to incorporate diverse sources of cleaner energy. 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SP Energy HubAnnual ReportReliabilitySustainabilityInnovation Using GET™ to help Mercatus digitally manage their tenant utilities INNOVATION Dashboard view of GET™ TenantCare, which provides Mercatus with insights on utility usage data. SP Group (SP) is partnering Mercatus Co-operative Limited (Mercatus) to deploy SP Digital’s Green Energy Tech (GET™) solutions to Mercatus’ properties at AMK Hub, One Marina Boulevard and Jurong Point. SP’s digital solutions will help Mercatus enhance its operational efficiency, enabling it to deliver greater value to its tenants while advancing its own sustainability agenda. SP will deploy GET™ Insights and GET™ TenantCare to provide Mercatus with a more seamless utilities management experience while it makes informed decisions relating to building performance, sustainability and occupant well-being. GET™ Insights will also enable Mercatus to integrate different building systems and diverse data sources for an overview of the energy aspects of the three buildings. This will help Mercatus identify and forecast usage patterns as well as detect anomalies early to prevent wastage. As GET™ TenantCare leverages Internet of Things (IoT) and Advanced Metering Infrastructure (AMI), SP has deployed an AMI consisting of more than 700 smart electricity meters at the three Mercatus properties. With the smart meters’ capability of real time and advanced monitoring, along with the cloud-based tenant utilities management software, Mercatus can then translate the data into actionable insights to uncover potential pathways to boost energy efficiency. Through SP’s suite of digital solutions, tenants can look forward to greater convenience and a more seamless approach when engaging with Mercatus, contributing to a stronger landlord-tenant relationship. More details in the media release here. TAGS INNOVATION YOU MIGHT BE INTERESTED TO READ SP partners Pyxis to launch direct-current fast charging point for electric harbour crafts Developing the digital core of sustainable energy solutions From coding to designing systems, Ibrahim develops and manages all the central platforms and systems that power the SP Utilities app, commercial solutions, and internal projects for SP. SP Group awarded BCA grant to power next-gen green buildings SP Group (SP) was awarded a grant by the Building and Construction Authority (BCA) to develop and implement technologies and digital solutions to push the limits of buildings’ energy efficiency standards.

Solar PV – User Guide for Residential Consumers Table of Contents 1. Introduction ................................................................................................................................... 2 2. Electricity Generation Licence ..................................................................................................... 3 3. Electrical Installation ...................................................................................................................... 3 4. Connection Requirements ........................................................................................................... 5 5. Market Settlement ......................................................................................................................... 7 6. Monitoring Requirements ............................................................................................................ 8 7. AMI Meter Charges ....................................................................................................................... 8 8. Decommissioning Requirements .............................................................................................. 10 9. PV Directory ................................................................................................................................. 11 December 2022 1 Solar PV – User Guide for Residential Consumers 1. Introduction This section provides information applicable for residential consumers with embedded solar PV systems (i.e. consumers who install solar PV systems on their rooftops to reduce their electricity consumption). A brief summary of the relevant processes can be found in the flow chart below. Please refer to the following sections for more information. For more information on the policy and regulatory framework for solar, please refer to EMA’s website. Figure 1: Overview Process for Residential Consumers with Embedded Solar PV Systems Start Solar PV owner to engage Licensed Electrical Worker (LEW) to be responsible for the electrical works associated with the solar PV system Appointed LEW to submit the required documents to SP Services (SPS) (refer to Connection Requirements section for more details) No SP PowerGrid (SPPG) to evaluate and discuss with LEW on the technical requirements and specifications of the solar PV system Comply with technical requirements? SPS to inform LEW to proceed with Turn-On application • For those register under the “Enhanced Central Intermediary Scheme”, SPS will arrange for opening of account after Turn-On. • For those register under the “Simplified Credit Scheme”, SPS will arrange to effect the scheme after Turn-On. End Yes End Note: Residential consumers refer to residential consumers not under master-sub arrangement December 2022 2 Solar PV – User Guide for Residential Consumers 2. Electricity Generation Licence The electricity licensing requirements for solar PV systems will be based on the aggregate of the Alternating Current (AC) inverter capacities (“installed generation capacity”) at the point of connection 1 to the grid. Any person who engages in the generation of electricity with a solar PV system with installed generation capacity of 1 MWac or more but less than 10 MWac is required to apply to EMA for a Wholesaler (Generation) Licence. For installed generation capacity of 10 MWac or more, he has to apply for a Generation Licence. All relevant licences should be obtained before any turn-on of solar PV installations. A summary of the licensing requirements is shown in the table below. Table 1: Licensing Requirements for Solar PV Systems Installed Capacity of Solar PV System Connected to the Power Grid? Type of Licence* Below 1 MWac 1 MWac or more but less than 10 MWac Yes No Yes No Yes 10 MWac or more No * An Electrical Installation Licence may still be required. Exempted Wholesaler (Generation) Licence Exempted Generation Licence Application for the wholesaler or generation licence can be made on EMA’s website: http://www.ema.gov.sg/Licensees_Electricity_Licences.aspx 3. Electrical Installation An electrical installation refers to any electrical wiring, fitting or apparatus used for the conveyance and control of electricity in any premises. A solar PV system installed within such premises forms part of the consumer’s electrical installation and should comply with the requirements stipulated in the Electricity Act (Cap. 89A), the Electricity (Electrical Installations) Regulations and the Singapore Standard CP5 Code of Practice for Electrical Installations. 1 The point of connection refers to the point at which the solar PV system is connected directly or indirectly to SP PowerAsset’s substation. December 2022 3 Solar PV – User Guide for Residential Consumers All electrical work for an electrical installation, including a solar PV system, must be undertaken or carried out by a Licensed Electrical Workers (LEWs). Such electrical work includes new wiring, rewiring and extensions which have to be tested before the supply is turned on. When consumer needs any electrical work to be done at his premises, he is advised to check that the person whom he intends to engage to undertake or perform the electrical work has a valid electrical worker licence issued by the Authority. It is an offence for a person: i. To carry out or caused to be carried out any electrical work unless he holds a valid electrical worker licence; or ii. To engage knowingly any person who is not a licensed electrical worker to carry out any electrical work. For more details, you may wish to refer to ELISE website for the list of LEW. Electrical Installation Licence All electrical installations used exclusively for domestic purposes except multi-metered premises are exempted from this requirement. Safety requirements Solar PV system requires regular inspection and maintenance to ensure that the system remains efficient and safe for operation. In most cases, equipment manufacturers will provide maintenance guidelines for their specific components. It is important to ensure that the maintenance requirement is carried out according to the recommendation and certified by a LEW. December 2022 4 Solar PV – User Guide for Residential Consumers 4. Connection Requirements If you intend to connect and operate your solar PV system in parallel to the power grid, your appointed LEW will have to complete the online Application Form and submit the following documents to SPS via Singapore Power (SP) eBusiness Portal: • Document Checklist and Declaration of Compliance to SP Powergrid’s (SPPG) Technical Requirements • Application for Net Export Rebate Form • Letter of Consent • PQ Compliance Report • Inverter(s) Specifications • Solar panel(s) Specifications • Inverter(s) Type Test Reports (Harmonics, Flicker, DC Injection) • Single Line Diagram (from PV system to Point of Common Coupling (PCC) • PSO Data Form (only applicable for solar PV system 1 MWac and above) Thereafter, your appointed LEW will have to consult SPPG on the connection scheme and technical requirements. The simplified connection and turn-on application process for solar PV systems are illustrated in Figure 2 and 3. December 2022 5 Solar PV – User Guide for Residential Consumers Figure 2: Application Process for Solar PV System Connection Start Appointed LEW to submit relevant documents to SPS SPS to inform LEW (via Letter) to proceed with Turn-On Application SPPG to evaluate technical specifications of the solar PV system pertaining to PQ requirements Compliance with technical requirements? Yes No LEW to re-submit technical requirements after clarification LEW to proceed with Turn-On Application (refer to Fig 3 for Turn-On application process) End SPPG sends technical assessment completion letter to LEW End December 2022 6 Solar PV – User Guide for Residential Consumers Figure 3: Turn-On Application Process for Solar PV System Start LEW to submit Turn-On application to SPS LEW to arrange with Meters Section to install meters SPS to witness the commissioning of solar PV system on the scheduled Turn-On date End 5. Market Settlement An overview of the available payment schemes can be found on EMA’s website. Non-contestable consumers (NCCs) Currently for residential NCCs with solar PV system, the solar energy produced is first offset by their consumption of that premise. Should there be excess solar energy to be exported back to the grid, they will receive payment (the prevailing low-tension electricity tariff minus grid charge) from SP Services (SPS) by way of credit adjustment to the monthly electricity bill. The quarterly revised low-tension electricity tariff can be found at the SP Group website (www.spgroup.com.sg). Contestable consumers (CCs) With the introduction of the Open Electricity Market “OEM”, residential CCs with solar PV system less than 10 MWac, is eligible to sell his excess output through SPS under the Enhanced Central Intermediary Scheme (ECIS). SPS will act as a central intermediary, by passing through the payment and relevant market charges to consumers. Excess solar electricity sold back to the grid will be paid the weighted average nodal price. December 2022 7 Solar PV – User Guide for Residential Consumers Such consumers can either choose (a) to install a meter to accurately measure the solar electricity generated, or (b) to estimate their solar generation. For option (a), consumers will need to install the relevant metering arrangement at each generation point. More details on the meters can be found in Section 7, AMI Meter Charges. For option (b), the solar generation will be estimated based on the Solar Generation Profile (SGP) 2 for the calculations of the relevant payment and market charges. Consumers need not install any meters. 6. Monitoring Requirements With the expected increase in solar PV systems in Singapore, the Power System Operator (PSO) would need to manage the intermittent nature of such sources to ensure that the security and reliability of the power system is not compromised. Most importantly, PSO also needs to ensure that sufficient reserve capacity is available to respond to sudden fluctuations in solar output. Hence, PSO shall require solar PV systems with an installed capacity of 1 MWac and above at each site/facility to provide the Active Power output (AC-side) of its solar PV system(s), sampled at one-minute intervals and solar irradiance from sensor installed in close proximity to the PV panels. For more detailed technical requirement, please contact EMA at EMA_PSO_EMA@ema.gov.sg. 7. AMI Meter Charges This section is only applicable to residential consumers who register their embedded solar PV systems under the ECIS and chose to install an AMI meter. The owner of the generation facility (i.e. solar PV system) is the Meter Equipment Service Provider (MESP) for the meter installation associated with it. However, consumers with embedded generation facility (with installed capacity of less than 10 MWac) may choose to engage SPPG to provide, install and maintain the generation meter. The fees applicable for providing such services by SPPG are shown in the table below: 2 The SGP is approved by the Energy Market Authority (“EMA”) and is based on factors such as Singapore's historical average solar irradiance from 7am to 7pm. This is standardised for all consumers with embedded solar PV systems and will be updated by EMA as new information becomes available. December 2022 8 Solar PV – User Guide for Residential Consumers Table 2.1: Metering Charges for Generation Meters (inclusive of 7% GST before 1 st Jan 2023) Main & Check Meters Main & Check Meters Main & Check Meters Main Meters Only Per Generation Unit / Metering Point At 66kV and above At 6.6kV / 22kV At Low Tension At Low Tension Upfront charge (One time) $5,938.50 $5,938.50 $2,247.00 $1,498.00 Monthly charge (Recurring) $214.00 $85.60 $42.80 $21.40 Miscellaneous charge a) Attending to request for site enquiry during office hours (minimum 3 hours per request). b) Attending to communication / meter failure during office hour. Charges will be waived if it is due to equipment failure. c) Attending to adhoc request by customer for meter accuracy test with SAC- SINGLAS test report. $42.80 per hour $42.80 per hour $42.80 per hour $42.80 per hour $85.60 per trip $85.60 per trip $85.60 per trip $85.60 per trip $1,926.00 per meter $1,926.00 per meter $706.20 per meter $706.20 per meter Table 2.2: Metering Charges for Generation Meters (inclusive of 8% GST with effect from 1 st Jan 2023) Main & Check Meters Main & Check Meters Main & Check Meters Main Meters Only Per Generation Unit / Metering Point At 66kV and above At 6.6kV / 22kV At Low Tension At Low Tension Upfront charge (One time) $5,994.00 $5,994.00 $2,268.00 $1,512.00 Monthly charge (Recurring) $216.00 $86.40 $43.20 $21.60 Miscellaneous charge d) Attending to request for site enquiry during office hours (minimum 3 hours per request). e) Attending to communication / meter failure during office hour. Charges will be waived if it is due to equipment failure. f) Attending to adhoc request by customer for meter accuracy test with SAC- SINGLAS test report. $43.20 per hour $43.20 per hour $43.20 per hour $43.20 per hour $86.40 per trip $86.40 per trip $86.40 per trip $86.40 per trip $1,944.00 per meter $1,944.00 per meter $712.80 per meter $712.80 per meter December 2022 9 Solar PV – User Guide for Residential Consumers 8. Decommissioning Requirements If you intend to decommission the entire solar PV system installed in your premises any time after they have been connected to the Transmission System, your appointed LEW will have to complete the decommissioning form and submit to SP Powergrid Ltd at least 30 days in advance before the intended decommission commences. However, if the intent is to revise the solar PV capacity installed in your premises any time after they have been connected to the Transmission System, your appointed LEW will have to complete the online Application Form and submit the following documents to SPS via Singapore Power (SP) eBusiness Portal: • Document Checklist and Declaration of Compliance to SP Powergrid’s (SPPG) Technical Requirements • Application for Net Export Rebate Form • Letter of Consent • PQ Compliance Report • Inverter(s) Specifications • Solar panel(s) Specifications • Inverter(s) Type Test Reports (Harmonics, Flicker, DC Injection) • Single Line Diagram (from PV system to Point of Common Coupling (PCC) • PSO Data Form (only applicable for solar PV system 1 MWac and above) December 2022 10 Solar PV – User Guide for Residential Consumers 9. PV Directory For enquiries on the following matters pertaining to solar PV systems, you may wish to contact the following: Energy Market Authority (EMA) Matters on: Electricity Licences Electrical Installation Licence Licensed Electrical Workers (LEWs) Policy and Regulatory Framework Monitoring Requirements Contact Information Economic Regulation & Licensing Department Email: ema_enquiry@ema.gov.sg Tel: 6835 8000 Electricity Resilience & Regulation Department Email: lei_ema@ema.gov.sg Tel: 6835 8000 Policy Department Email: ema_ppd@ema.gov.sg Tel: 6835 8000 Energy Management Systems Department Email: EMA_PSO_EMS@ema.gov.sg Tel: 6835 8000 Energy Market Company (EMC) Matters on: Market Registration Market Payment / Charges Contact Information Market Administration Email: MPRegistration@emcsg.com Tel: 6779 3000 SP PowerGrid (SPPG) Matters on: Technical Clarification regarding Connection to the Grid Contact Information Asset Management & Projects Department Email: DERenquiries@spgroup.com.sg Tel: 6916 8888 SP Services (SPS) Matters on: Application for Connection to the Grid and Market Settlement with SPS Contact Information Electrical Installation Section Email: install@spgroup.com.sg Tel: 6916 7200 December 2022 11

Media Release ST Engineering and Singapore Power to Divest SPTel Singapore, 17 July 2025 – Singapore Technologies Engineering Ltd (ST Engineering) and Singapore Power Limited (SP) today announced that ST Engineering’s wholly-owned subsidiary, ST Engineering Urban Solutions Ltd. and SP have entered into an agreement to divest their joint venture, SPTel Pte. Ltd. (SPTel) to Seraya AQX Pte Ltd (AQX).  SPTel was a wholly-owned subsidiary of SP from 1997 till May 2017 when ST Engineering Urban Solutions Ltd. acquired a 51% stake in SPTel. SP continues to hold the remaining 49% stake.  Key Terms of the Proposed Transaction AQX, a digital infrastructure investment platform wholly-owned by infrastructure investment firm Seraya Partners, will acquire SPTel from ST Engineering Urban Solutions Ltd. and SP for an enterprise value of $290 million, cash-free and debt-free, subject to closing adjustments (Sale Consideration). The Sale Consideration translates into an implied EV/revenue multiple of 4.1x and EV/EBITDA multiple of 21.4x based on SPTel’s revenue and EBITDA for the year ended 31 December 2024. In addition, the sellers may receive an earn-out amount of up to $15 million (Earn-Out Amount) if certain buyer’s return thresholds are met in the future. Proceeds from the proposed transaction will be distributed to the sellers in proportion to their shareholdings in SPTel. The Sale Consideration and the Earn-Out Amount were arrived at on a willing seller, willing buyer basis, taking into account, amongst others, the business track record, prospects of SPTel and its financial performance.   Rationale for the Proposed Transaction SPTel is a provider of enterprise broadband connectivity and value-added services delivered over a fibre optic network. This proposed transaction will enable SPTel to grow under a new owner whose primary mandate is in investing and growing digital infrastructure platforms. With this strategic alignment, SPTel will be better placed to scale and to provide a more diverse network in Singapore. Financial Effects SPTel reported a revenue of $72 million and a net loss of $4 million for the year ended 31 December 2024. The revenue of SPTel is not consolidated into the respective group financials of ST Engineering and SP as SPTel is equity accounted. The shareholders of SPTel thank the management and staff of SPTel for their many contributions over the years and wish them every success under the new ownership. The proposed transaction is expected to close in the fourth quarter of 2025, subject to customary closing conditions, including the approval of the Infocomm Media Development Authority of Singapore. Further Information on ST Engineering The divestment will result in a one-off gain of approximately $80 million for ST Engineering based on its carrying value1 for SPTel of approximately $65 million. Save for the one-off gain mentioned, the proposed transaction is not expected to have any material impact on the consolidated net tangible assets per share and earnings per share of ST Engineering for the current financial year. As none of the absolute relative figures in respect of the proposed transaction for ST Engineering under Rules 1006(a) and 1006(c) of the Listing Manual exceeds 5%, this release has therefore been made by ST Engineering pursuant to Rules 703 and 1008 of the Listing Manual. Further, save as disclosed in this Release and for their shareholding interests in ST Engineering, none of the directors of ST Engineering nor any of the controlling shareholders of ST Engineering has any interest, direct or indirect, in the proposed transaction. ***** 1Including shareholder loan to SPTel

[●insert name of contractor●] Date: [●] [●insert address of contractor●] Co. Registration No.: [●] Your Ref: [●] Our Ref: [●] Dear Sir REQUIREMENTS FOR EARTHWORKS AT [●insert location●] 1. We refer to your Notice for Commencement of Earthworks (“NCE”) at the above-mentioned location ("Worksite") dated [●] and note that you will commence earthworks (as defined in Section 2 of the Gas Act (Cap. 116A) (the “Act”)) ("Earthworks") from [●]to [●]. 2. Pursuant to Section 32(3)(a) of the Act, you are required to comply with the following requirements when carrying out the Earthworks: 2.1. Trial Holes 2.1.1. As the gas plan obtained from SP PowerGrid Limited (“SPPG”) (which shows the necessary information on the location of the gas plant (as defined in Section 2 of the Act) ("Gas Plant") and gas pipes (conveying gas in a gas pipeline network as defined in Section 2 of the Act) ("Gas Pipes")) ("SPPG Gas Plans") only indicate the approximate location of Gas Pipes, you shall dig an adequate number of appropriate trial holes by manual means to determine the exact location of medium pressure (“MP”) Gas Pipes and low pressure (“LP”) Gas Pipes prior to the carrying out of any Earthworks. 2.1.2. When working in the vicinity of a MP Gas Pipe or a LP Gas Pipe you shall only use powered mechanical equipment for the initial breaking of the surface layer of hardcore/premix. You shall not use powered mechanical equipment below the surface layer of hard-core/premix and shall only use manual excavation with hand tools. 2.1.3. You shall contact Distribution Pipelines Operations and Maintenance section, SPPG (“DPOM”) if you are unable to locate the MP Gas Pipe and/or the LP Gas Pipe by digging the trial holes. 2.1.4. You shall not dig any trial holes in the vicinity of gas transmission pipeline (as defined in Section 2 of the Act) (“GTP”) without the written consent from Transmission Pipelines Operations and Maintenance section, SPPG (“TPOM”). You shall comply with any additional requirements that may be imposed by SPPG. Page 1 of 9 2.1.5. After the trial holes have been dug, you shall ensure that photographs of the trial holes are taken showing the dimensions of trial holes and their location. You shall make these photographs available to SPPG upon request. 2.2. Marking of Gas Pipes, Engagement of Surveyor and Purchase of Surveyed Drawings 2.2.1. Prior to the carrying out of any Earthworks when working in the vicinity of a GTP, you are required to schedule a meeting with TPOM officers to present the details of the Earthworks to be carried out and to purchase the as-surveyed drawing from the Mapping & Earthworks Administration section, SPPG (“MEA”). 2.2.2. After purchasing the as-surveyed drawing, you shall engage a registered land surveyor to peg out the Gas Pipe positions for GTP and provide adequate and prominent markings to show the Gas Pipe positions. You shall ensure that all Gas Pipe markings are durable and prominent and are not disturbed, removed or tampered with. You shall also ensure that the Gas Pipe markings are reapplied from time to time to ensure that they remain conspicuous. 2.3. Risk Management (For MP & GTP) 2.3.1. You shall assess the impact of carrying out the intended Earthworks on any Gas Plant or Gas Pipe and prepare a report detailing such assessment. 2.3.2. If there are changes to the schedule for the carrying out of the Earthworks or changes in Earthworks work methods, you shall study the implications, review the earlier assessment that had been carried out and promptly notify SPPG in writing if there are any changes to the earlier assessment. 2.3.3. The report of such assessment shall be made available to SPPG on request. Such report shall also be made known to all personnel of all working levels in the team handling the project in which the Earthworks are or are to be carried out ("Project"), including sub-contractors and any third party who are involved in any way with any part of the intended Earthworks. 2.4. Worksite Management 2.4.1. You shall provide a full-time site supervisor to monitor the site operations for the entire duration of any Earthworks. You shall ensure that the site supervisor is familiar with these requirements. 2.4.2. You shall ensure that daily site briefings with site workers are conducted (in languages that are understood by all workers) to remind them about the location of the Gas Pipes and the measures to be taken to prevent damage to the Gas Pipes. You Page 2 of 9 shall keep records of such daily briefings (which shall include but are not limited to date and time, venue and person conducting the briefings, contents of briefings and the list of site workers who have attended such briefings). You shall also disallow any site worker who has not attended such briefings from being involved with any part of the intended Earthworks. New staff must be briefed before they start work. 2.4.3. You shall inform Earthworks Surveillance & Patrolling section, SPPG (“ESP”) officers of the identity of the site management / Registered Excavator Operator (“REO”), the proposed methods of carrying out of the Earthworks and/or location of the proposed Earthworks. You shall also inform the ESP officers if there are any changes to the above. 2.4.4. You shall ensure that information on the presence of Gas Pipes in the vicinity of the Worksite and all mitigating measures that can be taken to prevent damage to such Gas Pipes, have been communicated and adhered to by all personnel of all working levels in the Project team, including sub-contractors and any third party who are in any way involved with any part of the intended Earthworks. 2.4.5. SPPG may, from time to time and at its sole discretion, deploy its officers to the Worksite to inspect and monitor the status of your works. Notwithstanding the deployment of SPPG’s officers at the worksite, you shall continue to be responsible for discharging your obligations under this Letter of Requirements (“LRe”) and for the performance of your works. SPPG shall not assume any liability for any noncompliance by you of any such obligation or non-performance of your works. 2.5. Seek Consultation with SPPG: Gas Operations (DPOM and TPOM sections) 2.5.1. You shall contact and consult TPOM and/or DPOM section(s) when the proposed Earthworks are within 5 metres of any GTP and/or 3 metres of any MP Gas Pipes respectively. You shall only carry out any Earthworks within the vicinity of Gas Pipes after seeking advice and obtaining approval from SPPG. 2.5.2. You shall contact DPOM or our 24-hour Customer Service Centre if you find any live or abandoned Gas Pipes in the course of carrying out any Earthworks at the Worksite which have not been shown in the SPPG Gas Plan. 2.5.3. You shall also contact and consult with SPPG in the following circumstances: 2.5.3.1. If it is reasonable to expect that the Earthworks could cause ground vibrations or ground movements; and/or Page 3 of 9 2.5.3.2. If there is a need for Earthworks to be carried out below Gas Pipe slabs. 2.6. Protection of Gas Pipe and Gas Pipe Diversion 2.6.1. You shall take all steps to ascertain the presence of any Gas Pipe within the boundary and/or the vicinity of the Worksite prior to the carrying out of any Earthworks. You shall take all necessary measures and due care to prevent damage to the Gas Pipes. 2.6.2. You shall relocate your intended Earthworks away from any gas pipeline or submit an official request to SPPG to divert out of the Worksite any Gas Pipe that will be affected by the intended Earthworks and bear any and all costs incurred from such diversion. 2.6.3. If the proposed Earthworks involve overcrossing, undercrossing, exposing of, or diversion of Gas Pipes, you shall, prior to the carrying out of any Earthworks: 2.6.3.1. Contact and consult SPPG; 2.6.3.2. Provide SPPG with a detailed work method statement and proposed measures to protect the Gas Pipes; 2.6.3.3. Assess the risk of damage to the Gas Pipes and submit the report of such assessment to SPPG; and 2.6.3.4. Comply with any further and additional requirements that may be imposed by SPPG. 2.6.4. You shall not construct any structure (temporary, permanent, or otherwise) over any Gas Pipe. 2.6.5. You shall not place any heavy equipment or stock pile above any Gas Pipe. 2.6.6. You shall not allow any heavy machinery or vehicular movement above any Gas Pipe. 2.6.7. You shall backfill with quarry dust during reinstatement and do not dump any debris / concrete trash / sharp objects or place any heavy object on top of the Gas Pipe corridor. 2.6.8. You shall ensure proper and adequate shoring and shuttering to prevent soil movement and/or soil subsidence which may affect any Gas Pipe. 2.6.9. You shall carefully select positions for the sinking and driving of earth rod, sheet piling, bore piling, diaphragm walling, installing of reinforced concrete/steel piles by Page 4 of 9 percussion or jack-in method, bore piling casing, installing of ground anchors, pressure grouting, installing of tubes, installing of poles, hand augering, pipe jacking, shoring, soil investigating, bore drilling and horizontal directional drilling, in order to avoid damage to any Gas Pipes. You shall do this by, amongst other things: 2.6.9.1. Referring to the SPPG Gas Plan and digging appropriate trial holes by manual means, to confirm the presence or absence of any Gas Pipe prior to the carrying out of any Earthworks. For trial hole to be dug in the vicinity of GTP, you shall obtain written consent from TPOM. 2.6.9.2. For pipe jacking and horizontal directional drilling, you shall consider additional factors such as loading from the construction plants, ground conditions, bore diameter, possible deviation of the drilling. You shall ensure that there is a minimum clearance of 2m between the path of drilling/boring device and any Gas Pipe that is in the vicinity of the Earthworks. 2.6.10. You shall provide adequate protection to unexposed or reinstated Gas Pipes that are within the work area when carrying out of any Earthworks. 2.6.11. You shall ensure that all surface boxes are accessible at all times and are not covered by tarmac, earth, landscape, equipment, stock pile or any other material. 2.6.12. You shall ensure that no static loads (i.e. loads that do not change in magnitude or position with time) are placed above the surface boxes. 2.6.13. You shall exercise due care and diligence when removing any rock, boulder, wood, metal rod, sharp object or other obstacles which are in the vicinity of Gas Pipes. 2.6.14. You shall ensure that gas free tests are carried out by a competent person along the Gas Pipe route at regular intervals throughout the duration of the Project. You shall not carry out any processes that may be a source of ignition in the vicinity of any Gas Pipes. You shall also take all other necessary mitigating measures to prevent ignition of escaped gas, if any. 2.6.15. You shall ensure that a clearance of at least 5 metres is maintained between the external wall of LP Gas Pipe and any piles and/or diaphragm wall and a clearance of at least 0.3 metres is maintained between the external wall of LP Gas Pipe and other services when working in the vicinity of LP Gas Pipe. You shall also ensure that no services are laid directly on top and parallel to any existing Gas Pipes. 2.6.16. You shall not expose, suspend and/or otherwise interfere with any Gas Pipes, without the written consent of SPPG. Page 5 of 9 2.6.17. You shall stop all Earthworks and call SPPG for advice whenever in doubt. 2.6.18. You shall stop work immediately and report to the 24-hour Customer Service Centre upon any damage or suspected damage to any Gas Pipe (including surface damage without gas escaping) or the discovery of any gas leak. You and/or your workers shall not attempt to repair or modify damaged Gas Pipes. 2.6.19. Damaging a Gas Plant or a Gas Pipe(s) may cause a delay in the completion of the Project as SPPG will need time to investigate and carry out repair work as necessary. Any repair costs may have to be borne by you. 2.6.20. SPPG shall be entitled to ask you to stop work with immediate effect in the event of non-compliance to this LRe. SPPG shall not be liable to you in any way for any losses, claims or damages arising from or in connection with such stop work requests. 2.6.21. You shall comply with any requirements as reasonably prescribed by SPPG in SPPG’s review and endorsement of the relevant method statement and any other documents submitted by you in relation thereto for the Earthworks. 2.7. NCE Submission by Sub-Contractor(s), NCE Extension and Site Meeting 2.7.1. You and/or your representatives shall attend meetings with SPPG officers as and when required. 2.7.2. When working in the vicinity of a GTP or MP Gas Pipe, you shall carry out a site visit jointly with SPPG officers before carrying out any Earthworks specified under the submitted NCE. 2.7.3. In the event that you engage a sub-contractor to carry out any Earthworks within the vicinity of any Gas Pipes, you shall ensure that such sub-contractor submits the appropriate NCE prior to the carrying out of any Earthworks in the vicinity of any Gas Pipes. 2.7.4. If, at any stage of your Project, there is a likelihood that the Earthworks may continue beyond the anticipated completion date and/or beyond the work boundary as declared in the NCE which you have submitted to SPPG, you shall notify SPPG in writing of the new date of completion and/or the new work boundary (as applicable) by submitting a new NCE. 2.7.5. You shall obtain a new SPPG Gas Plan from SPPG prior to submitting the new NCE. Prior to carrying out any Earthworks, you shall consult SPPG to ascertain if there are Page 6 of 9 changes to the gas plans that you possess. In the event there are changes to the gas plans, you shall purchase fresh gas plans from SPPG. 2.8. Powered Mechanical Excavation 2.8.1. You shall engage only a REO to operate a powered mechanical excavator. 2.8.2. You shall ensure that powered mechanical excavation is only used, under the close standing supervision of a full time site supervisor, for the surface layer of hardcore/premix when working near or above any Gas Pipe. 2.8.3. You shall not use a powered mechanical excavator, whether for mechanical excavation or otherwise (irrespective of soil condition), below the surface layer of hard-core/premix when working near or above any Gas Pipe. You shall only use manual excavation with hand tools below the surface layer of hard-core/premix. 2.8.4. You shall not excavate deeper than the PVC warning tape or the top of any Gas Pipe if there is no PVC warning tape. You shall immediately cease all further Earthworks and consult the DPOM for advice on working with the Gas Pipes when exposed Gas Pipes are encountered in the course of carrying out any Earthworks. 2.9. Pressure Grouting Works 2.9.1. You shall ascertain the alignment of Gas Pipes within the grouting influence zone prior to the carrying out of any Earthworks. 2.9.2. You shall use the necessary ground instrumentations to monitor the effect of the grouting works and ensure that adequate protective measures are provided to protect any Gas Pipes within the grouting influence zone. 2.10. Permit-to-Work (“PTW”) and Records 2.10.1. You shall implement a PTW system to monitor and ensure that all Earthworks are properly tracked and controlled if such Earthworks are to be carried out in the vicinity of GTP and MP Gas Pipes. Under the PTW system, such Earthworks shall be approved by the manager of the Project or his authorised deputy. You shall periodically audit the PTW system for its effectiveness. 2.10.2. You shall display prominently and make available the most up to date NCE, SPPG Gas Plans and these requirements at the Worksite where the proposed Earthworks are to be carried out. Page 7 of 9 2.10.3. You shall keep progressive records (Photographs / Movement Chart) of the Earthworks that have been carried out including, but not limited to, work schedules and location of trial holes. 3. Notes: 3.1. These requirements are applicable to all persons who carry out any Earthworks and strict compliance is required, unless otherwise permitted in writing by SPPG. Please consult the relevant SPPG section, if necessary. 3.2. The approximate locations of the Gas Pipes are shown in the SPPG Gas Plan. The respective operating pressure regime of the Gas Pipes is indicated against the Gas Pipelines as shown in the SPPG Gas Plan. The default pressure regime (when there is no indication of pressure regime) is low pressure. Other LP Gas Pipes are indicated as “LPA” and “LPB” in the SPPG Gas Plan. 3.3. In the low pressure distribution network, there are valves, syphons and standpipes which are indicated as “V”, “SY” and “SP” respectively. 3.4. You shall take note of the presence of standpipes and/or valve stems that are encased in a PVC pipe and accessible from surface boxes installed at ground level and not damage such fittings or cover. 3.5. The requirements stated above are not exhaustive. Additional requirements may be issued from time to time by SPPG. These additional requirements, together with the requirements in this letter, shall form the full list of requirements that must be complied with at all times. You are advised to carry out all necessary assessments and take all necessary precautions to prevent damage to any existing Gas Plant and/or Gas Pipe. 3.6. Pursuant to Section 32(3)(a) of the Act, it shall be the duty of the person who commences or carries out, or causes or permits the commencement or carrying out of, any Earthworks to comply with the reasonable requirements of SPPG for the prevention of damage to a Gas Plant or Gas Pipe. Pursuant to Section 32(7) of the Act, any person who contravenes Section 32(3)(a) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $100,000 or to imprisonment for a term not exceeding 5 years or both. Further, Section 32A(1) of the Act provides that any person who, removes, destroys or damages any Gas Plant or Gas Pipe which is part of a Gas Pipeline Network owned by, or under the management or control of, SPPG, shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $1 million or to imprisonment for a term not exceeding 5 years or to both. 3.7. Damaging a Gas Plant or a Gas Pipe may also cause fatalities or severe injuries to personnel as well as damage to property. Page 8 of 9 3.8. Should you require any further clarification, please contact Follow up officer at [●] and/or the respective sections of SPPG as listed in the table below: SPPG Section Telephone Email TPOM 6916 6136/ 6916 6124 gasenquiry@spgroup.com.sg DPOM 6916 5947/ 6916 5908 gasenquiry@spgroup.com.sg ESP 6916 5119 espsection@spgroup.com.sg MEA 6916 5021/ 6916 5022 mea@spgroup.com.sg 24-hour Customer Service Centre 1800 752 1800 - Yours faithfully, [●] for HEAD OF SECTION EARTHWORKS SURVEILLANCE & PATROLLING SECTION As agent for and on behalf of POWERGAS LTD. Page 9 of 9

Energy Audit Calculator ENERGY AUDIT CALCULATOR Ever wondered which appliance in your home consumes the most electricity? Use our Home Energy Audit Calculator to audit your daily electricity usage! To begin, (1) select the appliance(s) that you use at home under Column B (2) use our suggested wattage for this appliance or key in your own under Column C (3) fill in the number of units of such appliance under Column D (4) followed by the number of hours you use each appliance per day under Column E No. Appliance Wattage (Use our suggested value or key in your own here) Quantity No. of hours per day Electricity Cost (S$) per month* 1 Computer 400 1 1 3.72 2 Fan 55 1 2 1.02 3 0.00 4 0.00 5 0.00 6 0.00 7 0.00 8 0.00 9 0.00 10 0.00 Total Electricity Cost per month : 4.74 *Based on the Electricity Tariff of 31 cents/kWh for the period of Oct - Dec 2023. This tariff is updated quarterly. The estimated cost above was calculated based on this formula: Energy Usage (kW) x No. of hours per day (h/day) x 30 days (days/month) x Electricity Tariff (S$/kWh) = Electricity Cost per month (S$/month) Disclaimer: This energy audit calculator serves only as a guide and electricity costs provided are an estimate. Appliances Appliance Wattage Air-Conditioner 2000 Clothes Dryer 6000 Computer 400 Cooking Appliance 2100 Fan 55 Instant Water Heater 3000 Kettle 1500 Lamps 22 Oven 2000 Refrigerator 50 Television 200 Washing Machine 2000

MEDIA RELEASE ELECTRICITY TARIFF REVISION FOR THE PERIOD 1 OCTOBER TO 31 DECEMBER 2021 Singapore, 30 September 2021 – For the period from 1 October to 31 December 2021, electricity tariff (before 7% GST) will increase by an average of 3.2% or 0.73 cent per kWh compared with the previous quarter. This is due to higher cost of fuel for producing electricity by the power generation companies. For details on the four components of the electricity tariff, please refer to Appendix 1: Breakdown of Electricity Tariff. For households, the electricity tariff (before 7% GST) will increase from 23.38 to 24.11 cents per kWh for 1 October to 31 December 2021. The average monthly electricity bill for families living in HDB four-room flats will increase by $2.49 (before 7% GST) (Appendix 3: Average monthly electricity bills of domestic consumers). *before 7% GST SP Group reviews the electricity tariffs every quarter based on guidelines set by the electricity industry regulator, Energy Market Authority (EMA). The tariffs shown in Appendix 2 have been approved by EMA. Issued by: SP Group 2 Kallang Sector Singapore 349277 www.spgroup.com.sg Appendix 1 BREAKDOWN OF ELECTRICITY TARIFF 1. The electricity tariff consists of the following four components: a) Energy costs (paid to the generation companies): This component is adjusted quarterly to reflect changes in the cost of fuel and power generation. The fuel cost is the cost of imported natural gas, which is tied to oil prices by commercial contracts. The cost of power generation covers mainly the costs of operating the power stations, such as the manpower and maintenance costs, as well as the capital cost of the stations. b) Network costs (paid to SP Group): This is to recover the cost of transporting electricity through the power grid. c) Market Support Services Fee (paid to SP Group): This is to recover the costs of billing and meter reading, data management, retail market systems as well as market development initiatives. d) Market Administration and Power System Operation Fee (paid to Energy Market Company and Power System Operator): This fee is reviewed annually to recover the costs of operating the electricity wholesale market and power system. Q4 2021 TARIFF (before 7% GST) Market Admin & PSO Fee (No Change) 0.06¢/kWh (<1%) MSS Fee (No Change) 0.40¢/kWh (1.7%) Network Costs (No Change) 5.77¢/kWh (23.9%) Energy Costs (Increase by 0.73¢/kWh) 17.88¢/kWh (74.2%) ELECTRICITY TARIFFS FROM 1 OCTOBER 2021 LOW TENSION SUPPLIES, DOMESTIC All units, ¢/kWh LOW TENSION SUPPLIES, NON-DOMESTIC All units, ¢/kWh HIGH TENSION SMALL (HTS) SUPPLIES Contracted Capacity Charge $/kW/month Uncontracted Capacity Charge $/chargeable kW/month kWh charge, ¢/kWh Peak period (7.00am to 11.00pm) Off-peak period (11.00pm to 7.00am) Reactive power Charge ¢/chargeable kVARh HIGH TENSION LARGE (HTL) SUPPLIES Contracted Capacity Charge $/kW/month Uncontracted Capacity Charge $/chargeable kW/month kWh charge, ¢/kWh Peak period (7.00am to 11.00pm) Off-peak period (11.00pm to 7.00am) Reactive power Charge ¢/chargeable kVARh EXTRA HIGH TENSION (EHT) SUPPLIES Contracted Capacity Charge $/kW/month Uncontracted Capacity Charge $/chargeable kW/month kWh charge, ¢/kWh Peak period (7.00am to 11.00pm) Off-peak period (11.00pm to 7.00am) Reactive power Charge ¢/chargeable kVARh Existing Tariff (without GST) New Tariff (without GST) Appendix 2 New Tariff (with 7% GST) 23.38 24.11 25.80 23.38 24.11 25.80 10.90 10.90 11.66 16.35 16.35 17.49 20.44 21.24 22.73 12.51 13.01 13.92 0.59 0.59 0.63 10.90 10.90 11.66 16.35 16.35 17.49 20.22 21.02 22.49 12.50 13.00 13.91 0.59 0.59 0.63 9.33 9.33 9.98 14.00 14.00 14.98 19.31 20.11 21.52 12.40 12.90 13.80 0.48 0.48 0.51 AVERAGE MONTHLY ELECTRICITY BILLS OF DOMESTIC CUSTOMERS TARIFF WEF 1 OCTOBER 2021 (before 7% GST) Appendix 3 Type of Premises Average monthly consumption per Customer Average Monthly Bill New Average Monthly Bill Average Change in Monthly Bill kWh $(a) $(b) $(b-a) % HDB 1 Room 153.05 35.78 36.90 1.12 3.1 HDB 2 Room 203.64 47.61 49.10 1.49 3.1 HDB 3 Room 283.13 66.20 68.26 2.06 3.1 HDB 4 Room 340.42 79.59 82.08 2.49 3.1 HDB 5 Room 455.74 106.55 109.88 3.33 3.1 HDB Executive 553.88 129.50 133.54 4.04 3.1 Apartment 588.44 137.58 141.87 4.29 3.1 Terrace 853.10 199.45 205.68 6.23 3.1 Semi-Detached 1,156.55 270.40 278.84 8.44 3.1 Bungalow 2,329.58 544.66 561.66 17.00 3.1 Average 425.92 99.58 102.69 3.11 3.1