Company Update

Ref.

RIR/SEC/13791/2025 7th August, 2025 Bombay Stock Exchange Limited Corporate Relationship Department, 1st Floor, Rotunda Building, P. J. Towers, Dalal Street, Mumbai-400001 Scrip Code : 517035 Sub.: Submission of Press Release Dear Sir/Madam, With reference to the above subject, please find enclosed herewith Press Release on the subject “Government of Odisha approves fiscal support for Phase 1 of RIR Power Electronics’ Silicon Carbide (SiC) semiconductor plant in Bhubaneswar”. Kindly take the same on record.

Thanking you.

Yours faithfully, For RIR POWER ELECTRONICS LIMITED BHAVIN P RAMBHIA COMPANY SECRETARY Encl : a/a ----------------Page (0) Break---------------- BSE: 517035 | SECTOR: Power Electronics, Semiconductor PRESS RELEASE Government of Odisha approves fiscal support for Phase 1 of RIR Power Electronics’ Silicon Carbide (SiC) semiconductor plant in Bhubaneswar August 7, 2025: The Electronics & Information Technology Department, Government of Odisha, has approved fiscal support for Phase 1 for RIR Power Electronics Limited towards its Silicon Carbide (SiC) semiconductor manufacturing facility in Odisha.

Odisha Computer Application Center (OCAC), the nodal agency for Electronics & Information Technology Department, Government of Odisha has approved and notified the fiscal support agreement for pro-rata disbursement of capital subsidy to the Company.

This project was approved by the State-Level Single Window Clearance Committee (SLSWCC) and the state cabinet in last fiscal year with a total project cost of ~₹618 crore for both, phase-1 and phase-2. Project Financials and Status: ● Total project cost: ~₹618 crore ● Capital expenditure incurred: ~₹65 crore and eligible government capital subsidy: ~₹32 crore “We extend our sincere gratitude to the Government of Odisha for their forward-thinking support in helping bring this first-of-its-kind SiC semiconductor facility to life.

Their backing empowers us to introduce advanced technologies and modern manufacturing capabilities to the state.

This development lays a strong foundation for innovation, employment generation, and energy-efficient solutions in electric vehicles, renewables, power electronics, and industrial automation across India,” said Dr. Harshad Mehta, Chairman & Director, RIR Power Electronics Limited.

The progress made above represents a significant step in our efforts to become a leading player from India in the high power semiconductor manufacturing and contribute meaningfully to the Make in India initiative.

The facility will manufacture high-power SiC MOSFETs, IGBTs and diodes ranging from 3.3 kV to 20 kV, catering to key industries such as: ● Electric Vehicles (EVs) ● Renewable Energy and Power Grid Systems ● Power Electronics ● Industrial Automation SiC semiconductors, known for their high performance and energy efficiency, are expected to transform power-based technologies, boost local manufacturing capacity, and drive sustainable industrial growth across the country.

About RIR Power Electronics Limited: RIR Power Electronics Limited is a global pioneer in high-power semiconductor solutions, driving innovation and energy efficiency.

Its portfolio of high-performance semiconductor devices, assemblies, and energy management systems enables customers to address the evolving demands of modern energy systems.

The company's innovative products and solutions empower energy performance at the highest level in both ----------------Page (1) Break---------------- BSE: 517035 | SECTOR: Power Electronics, Semiconductor PRESS RELEASE existing and emerging applications.

Trusted worldwide for reliability and performance, RIR stands at the forefront of sustainable energy innovation—powering progress, one breakthrough at a time.

For more information, visit the RIR website at www.rirpowersemi.com.

RIR Power Electronics is listed on the Bombay Stock Exchange (BSE) and as of 6th August 2025, the market capitalization is ~₹1,650 crore Contact details: Investor & Media Abhishek Savant Veritas Reputation PR Pvt Ltd +91 8108848822 abhishek@veritasreputation.com Ankit Chavan Veritas Reputation PR Pvt Ltd +91 9588683577 ankit.chavan@veritasreputation.com Ketan Netawate Veritas Reputation PR Pvt Ltd +91 88570 92518 ketan.netawate@veritasreputation.com ----------------Page (2) Break----------------