Slide 1: IEH Corporation Presentation for Atrium Research
IEH Corporation (OTCQX: IEHC) Presentation for Atrium Research April 21, 2026 Dave Offerman President, CEO www.iehcorp.com
Slide 2: Forward Looking Statements
Forward Looking Statements This presentation may contain forward - looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements relate to future events or IEH`s future financial performance. Any statements that are not statements of historical fact
Slide 3: 85 Years. 4 Generations. Built to Last.
85 Years. 4 Generations. Built to Last. • Founded 1941, New York City — publicly traded since 1954 • Hyperboloid connector licensee since the late 1960s • ~175 employees and growing; HQ Brooklyn, NY + facility Allentown, PA • Serving the defense, aerospace, space, medical and industrial markets
Slide 4: Hyperboloid Connectors and Contacts
Hyperboloid Connectors and Contacts
Slide 5: What is Hyperboloid Technology
What is Hyperboloid Technology
Slide 6: The Hyperboloid contact design
The Hyperboloid contact is an advanced design that satisfies performance requirements previously considered impossible. Unique in concept, it is used in connectors having the highest standards of performance. The distinguishing feature of the Hyperboloid socket is the hyperboloid - shaped sleeve for
Slide 7: Hyperboloid contact advantages
- Low Insertion/Extraction Forces - Impervious to Shock & Vibration - Higher Current - Carrying Capacity - Longer Life
Slide 8: IEH Products: PCB Connectors
IEH Products PCB Connectors
Slide 9: IEH Products: Power and Signal Contacts
IEH Products Power and Signal Contacts
Slide 10: IEH Products: Custom Interconnects and Flex/Cable Assemblies
IEH Products Custom Interconnects and Flex/Cable Assemblies
Slide 11: IEH Products: High-Speed Connectors
IEH Products High - Speed Connectors
Slide 12: IEH Products: Modular Hybrid Connectors
IEH Products Modular Hybrid Connectors
Slide 13: Sector Distribution as of 3/31/26
Sector Distribution as of 3/31/26 Defense Commercial Aerospace Space Medical
Slide 14: Some of our Applications
Some of our Applications • Avionics Platforms • Engine Control Systems • Missiles and Torpedoes • Guidance Systems • Airborne and Ground Radars • Satellites • Rocket Launchers • Down - hole drilling equipment • Medical Devices • Industrial and Environmental Controls • Hand Held devices • Test Equipm
Slide 15: IEH Revenue Fiscal 2019–2027
0 5000 10000 15000 20000 25000 30000 35000 40000 IEH Revenue Fiscal 2019 – 2027* (in thousands)
Slide 16: IEH Operating Income Fiscal 2019–2025
IEH Operating Income Fiscal 2019 – 2025 -8000 -6000 -4000 -2000 0 2000 4000 6000 8000 10000 2019 2020 2021 2022 2023 2024 2025
Slide 17: Cash
Cash 0 2000000 4000000 6000000 8000000 10000000 12000000 14000000 16000000 Account Name Mar-20 Mar-21 Mar-22 Mar-23 Mar-24 Mar-25 Mar-26
Slide 18: Backlog as of April 1, 2026
Backlog as of April 1, 2026 19% over it’s previous record high $0.00 $5,000,000.00 $10,000,000.00 $15,000,000.00 $20,000,000.00 $25,000,000.00 $30,000,000.00
Slide 19: Recent Defense Program Wins
Recent Defense Program Wins • PATRIOT Missile System $5.1M order received March 2026 — largest single order in decades; expedited delivery schedule • APKWS Precision - Guided Munition $2.4M order received in January 2026, additional $5M+ expected in Fiscal 2027 • AMRAAM Missile System $2.5M worth of
Slide 20: Recent News
Recent News • January 2026: SEC Enforcement Proceeding Dismissed SEC recognized IEH fully rectified its late filings; all reports current since November 2023. Matter fully closed. • February 2026: OTCQX Listing Reinstated IEH (OTCQX: IEHC) upgraded from OTCID back to OTCQX Best Market — greater liqu
Slide 21: Cost Headwinds
Cost Headwinds • Gold – Doubled in the last two years • Tariffs and Health Insurance also stressors on margins
Slide 22: Response
Response • Investing in equipment to enable greater vertical integration, less reliance on outside, overseas suppliers • Larger gold volume purchases, to hedge against future increases • Tighter cost controls on inventory, SG&A • All growth in PA location
Slide 23: Market Tailwinds
Market Tailwinds • Defense Spending at Historic Highs U.S. prioritizing equipment replenishment and readiness; demand for precision - guided munitions accelerating • Commercial Aerospace Recovery Boeing expanding 737MAX and 787 production; Airbus increasing build rates across narrowbody and widebody
Slide 24: Strategic Diversification — Beyond Two Baskets
Strategic Diversification — Beyond “Two Baskets” • Expanding further into Medical Devices High - reliability Hyperboloid connectors well - suited for demanding medical applications • Driving Growth in Commercial Space IEH already serving space launch programs; significant runway for expansion • M&A
Slide 25: Why IEH Now
Why IEH Now • Record Order Backlog: $29M+ All - time high, 19% higher than previous all - time high, more than doubled in 12 months • Revenue Recovery in Full Swing FY2025: $28.8M FY2026 projected: $29.4M — 3rd best year in company history FY2027 projected $36M • Defense Surge is Structural and Long
Slide 26: Moving Forward…
Moving Forward… - Record Backlog Converting to Revenue Over 12 – 18 Months, with a pipeline to support additional 3 - 5 years of growth - Market Diversification: Medical, Industrial, Space - Lean, more Vertically - Integrated Operations with Capacity and Capital to Grow - Enhanced Investor Visibilit
Slide 27: Thank you!
IEHCORP.COM Thank you! Dave Offerman President, CEO www.iehcorp.com