[MILLENNIUM CELL LOGO] clean energy to power the world [GRAPHIC OMITTED] COMPANY OVERVIEW STEPHEN S. TANG, PH.D. PRESIDENT & CEO SEPTEMBER 9-11, 2003 SAFE HARBOR STATEMENT THIS PRESENTATION MAY INCLUDE STATEMENTS WHICH ARE NOT HISTORICAL FACTS AND ARE CONSIDERED "FORWARD-LOOKING" WITHIN THE MEANING OF THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995. THESE FORWARD-LOOKING STATEMENTS REFLECT MILLENNIUM CELL'S CURRENT VIEWS ABOUT FUTURE EVENTS AND FINANCIAL PERFORMANCE. THESE FORWARD-LOOKING STATEMENTS ARE IDENTIFIED BY THEIR USE OF TERMS AND PHRASES SUCH AS "BELIEVE," "EXPECT," "PLAN," "ANTICIPATE" AND SIMILAR EXPRESSIONS IDENTIFYING FORWARD-LOOKING STATEMENTS. INVESTORS SHOULD NOT RELY ON FORWARD-LOOKING STATEMENTS BECAUSE THEY ARE SUBJECT TO A VARIETY OF RISKS, UNCERTAINTIES AND OTHER FACTORS THAT COULD CAUSE ACTUAL RESULTS TO DIFFER MATERIALLY FROM MILLENNIUM CELL'S EXPECTATIONS, AND MILLENNIUM CELL EXPRESSLY DOES NOT UNDERTAKE ANY DUTY TO UPDATE FORWARD-LOOKING STATEMENTS. THESE FACTORS INCLUDE, BUT ARE NOT LIMITED TO, THE FOLLOWING: (I) THE COST AND TIMING OF DEVELOPMENT AND MARKET ACCEPTANCE OF MILLENNIUM CELL'S FUEL SYSTEMS, (II) COMPETITIVE FACTORS, SUCH AS PRICE COMPETITION AND NEW PRODUCT INTRODUCTIONS, (III) THE COST AND AVAILABILITY OF PRODUCTS, (IV) THE COST OF COMPLYING WITH CURRENT GOVERNMENTAL REGULATIONS, AND (V) OTHER FACTORS DETAILED FROM TIME TO TIME IN MILLENNIUM CELL'S FILINGS WITH THE SECURITIES AND EXCHANGE COMMISSION. [MILLENIUM CELL LOGO] 2 WHAT WE DO MILLENNIUM CELL PROVIDES HYDROGEN FUEL TECHNOLOGY FOR EMERGING PREMIUM POWER MARKETS [PICTURES OMITTED] HYDROGEN ON DEMAND(TM) TECHNOLOGY: SAFE--CLEAN--EASY TO USE [MILLENIUM CELL LOGO] 3 MILLENNIUM CELL INC. PROFILE o A development stage, intellectual property company that licenses enabling technologies for the hydrogen economy o 17 patents issued to date o 39 patent applications submitted to date o A NASDAQ National Market company traded as "MCEL" o Raised $30 million in an IPO on August 8, 2000 o Raised $16 million in PIPE transaction underwritten by BAS on June 19, 2002 o 31.2 million shares outstanding o 2002: $0.7 million revenue, $10 million total annual cash spend rate o $13.5 million accessible cash as of June 30, 2003 o Cash breakeven and positive earnings projected by 2005 o 35 employees located in Eatontown, New Jersey o 27 in Product Management and R&D organization, including 9 Ph.D.s o Announced, active commercial partnerships: [DAIMLERCHRYSLER LOGO] [BALLARD(R) LOGO] [PSA PEUGEOT CITROEN LOGO] [DUFFY ELECTRIC BOOT COMPANY LOGO] [SAMSUNG LOGO] [BORAX LOGO] [AIR PRODUCTS LOGO] [U.S. DEPARTMENT OF ENERGY LOGO] [ROHM AND HAAS LOGO] [MILLENIUM CELL LOGO] 4 EXPERIENCED LEADERSHIP TEAM Stephen S. Tang, Ph.D. - President & CEO, Acting CFO 8 years leading and growing global industry transformation practices at Cap Gemini and A.T. Kearney Roland E. Lefebvre - Chief Operating Officer 4 years as COO for American Superconductor; 23 years in sales, marketing, and general management with General Electric Adam P. Briggs - Vice President of Product Management 17 years in sales, marketing and global business management with Duracell/Gillette Rex E. Luzader - Vice President of Sales 16 years in sales and engineering at Exide Battery Corporation; formerly with General Motors Katherine M. McHale - Vice President of Marketing & Communications 15 years as marketing and public affairs consultant; formerly with Air Product & Chemicals and 3M [MILLENIUM CELL LOGO] 5 PATENTED HYDROGEN ON DEMAND(TM) TECHNOLOGY IS "SIMPLE, YET ELEGANT" [GRAPHIC OMITTED] NaBH (aq) + 2 H O -> 4 H + NaBO (aq) + ~267 kJ 4 2 2 2 Gas/Liquid Separator Pure Humid -------------- HYDROGEN ON DEMAND(TM) ---------- Hydrogen Fuel tank: CATALYST CHAMBER H --------------------- NaBH ---------------------- 2 -->========-----------> Fuel Cell 4 ==========-----> ------====--> -- / --------------------- solution ---------------------- \ -------------- \ Discharged / Fuel: ==================================== < borate NaBO ---------- 2 -------------- o Hydrogen is generated in a controllable reaction..."on demand" o Fuel is a room-temperature, non-flammable liquid under no pressure o Generated H is high purity, warm and humidified...what the fuel cell wants 2 o Discharged borate is environmentally-compatible, recyclable o Recycling fuel cell water permits higher energy storage potential [MILLENIUM CELL LOGO] 6 MCEL DEPLOYS A LICENSING-BASED BUSINESS MODEL WITH PARTNERING STRATEGY [GRAPHIC OMITTED] \ - --------------------------------------------------------------------------------------------------- \ \ TECHNOLOGY DEVELOPMENT MANUFACTURING DISTRIBUTION BRAND CUSTOMER > / - --------------------------------------------------------------------------------------------------- / / ^ ^ ^ ^ | | | | | | | | | | | | | | | | | | | | | | | | ---------------------------------------------------------------------- ADDRESSING THE HIGHEST PROFIT MARGIN POTENTIAL IN THE VALUE CHAIN-- SIMILAR TO SOFTWARE BUSINESS ---------------------------------------------------------------------- [MILLENIUM CELL LOGO] 7 MCEL IS FOCUSED ON MARKETS IN WHICH FUEL CELL BENEFITS ECLIPSE INCUMBENTS ================================================================================ MARKET FUEL CELLS BENEFITS - -------------------------------------------------------------------------------- Standby Power o Favorable economics to incumbent lead acid batteries o Cleaner and quieter than engines o Expands indoor use - -------------------------------------------------------------------------------- Consumer o Several times the energy density of Lithium Ion batteries Electronics o More commercial promise than Direct Methanol Fuel Cells o Enables attractive OEM and retail businesses - -------------------------------------------------------------------------------- Transportation o Independence from foreign oil o Reduce emissions o Tactical military advantages ================================================================================ [MILLENIUM CELL LOGO] 8 MILITARY APPLICATIONS BRING OUT THE BEST IN HYDROGEN ON DEMAND(TM) TECHNOLOGY o U.S. Department of Defense is the world's largest single consumer of fuel o Every branch of service is testing fuel cells to power o "Warrior of the future" o Radios o Electrical generators o Tactical land vehicles o Ships o Submarines o New dimensions to "shock and awe" operations o Improves survivability of troops and vehicles o Minimizes thermal and visual signatures o Minimizes field support from fuel supply chain o Eliminates threat of fuel interdiction - -------------------------------------------------------------------------------- WARRIOR OF THE FUTURE Innovations that could show up on the battlefield during the next decade ALL-SEEING SENSORS DISPLAY Radar, night vision, Built into the visor, it and video cameras would show text messages, would probe behind map coordinates, and walls and into the other tactical info dark - and relay images to commanders [P I SUSTENANCE PACK C BIO SENSORS Air filtration system T Next to the skin, they and drinking tube U would track vital signs would enable R and relay data to medics soldiers to fight E when under biochemical attack O M BODY ARMOR I 'SMART' FABRIC A cloth-like material T Would sense and then would allow more T seal out chemical flexibility than the E or biological weapons, current armor plates D] eliminating the need for a separate biowarfare suit ARTIFICIAL MUSCLE External bone-and- muscle system would extend endurance and provide extra strength - -------------------------------------------------------------------------------- [UNITED STATES OF AMERICA DEPARTMENT OF DEFENSE SEAL] [MILLENIUM CELL LOGO] 9 MCEL'S ADDRESSABLE MARKET FOCUS GROWS WITH FUEL CELL SYSTEM COST REDUCTION AND TECHNOLOGY BREAKTHROUGHS [GRAPHIC OMITTED] --------------------------------------------------------- | PRIMARY PROPULSION FOR VEHICLES | | ------------------------------------------------- | | | UTILITY VEHICLES | | | | ------------------------------------------ | | | | | MOBILE PHONES | | | | | | ----------------------------------- | | | | | | | PERSONAL DIGITAL ASSISTANTS | | | | | | | | ----------------------------- | | | | | | | | | MILITARY DEMOS | | | | | | | | | | ----------------------- | | | | | | | | | | | AUXILIARY POWER UNITS | | | | | | | | | | | | ------------ | | | | | | PCs | | | | | | | --------- | | | | | | | | | | | | | | | STANDBY | | | | | | | | POWER | | | | | | | | | | | | | | | | ---------------------------------------------------------- PHASE 1 (2003-2004) ---------> PHASE 2 (2004-2006) -----------------------------------> PHASE 3 (BEYOND 2006) ---------------------------------------------------------> [MILLENIUM CELL LOGO] 10 STANDBY POWER [MILLENIUM CELL LOGO] 11 MILLENNIUM CELL'S ADDRESSABLE MARKET IN STANDBY POWER IS ALREADY LARGE AND GROWING [GRAPHIC OMITTED] ------------------------ DISTRIBUTED GENERATION ------------------------ | -------------------------------------------------- | | | ------------------ ------------------ ------------------ Infrequent Usage Frequent Usage Continuous Usage ------------------ ------------------ ------------------ | ------------------------- | | -------------------------- ----------------------- Convenience Applications Critical Applications -------------------------- ----------------------- | ------------------------------------------- | | -------------- --------------- CATV/Telecom UPS $838MM 2002 718,000 Units -------------- --------------- | | ------------------------ ---------------------------------- | | | | | | ------- ---------- ---------- ------------- -------------- --------------- CATV Wireless Wireline 2 - 4.9 kVA 5 - 10.9 kVA 11 - 20.9 kVA $73MM $446MM $319MM 537k Units 105k Units 76k Units ------- ---------- ---------- ------------- -------------- --------------- \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / INCUMBENT STANDBY POWER LEAD ACID LEAD ACID BATTERIES TECHNOLOGY: BATTERIES AND GENSETS [MILLENIUM CELL LOGO] 12 KEY ISSUES WITH INCUMBENT STANDBY POWER CHOICES: EXPENSIVE LIFECYCLE COSTS, POOR RELIABILITY, DIFFICULT MAINTENANCE ================================================================================ LEAD ACID BATTERIES ------------------- o Requires close maintenance and regular replacement o Inclined to fail in extreme heat or cold o Difficult to monitor or predict failure o Cost, weight and volume increases proportionate to quantity --no economies of scale o Disposal regulated as hazardous material ================================================================================ ================================================================================ DIESEL/GASOLINE --------------- GENERATING SETS --------------- o Slow start-up time o Requires regular use o Low power quality o Require flammable, regulated fluids and difficult storage choices o Requires complex maintenance o Noisy o Fuel spillage creates environmental liability ================================================================================ [MILLENIUM CELL LOGO] 13 HYDROGEN ON DEMAND(TM) TECHNOLOGY WITH FUEL CELLS ARE AN ATTRACTIVE STANDBY POWER VALUE PROPOSITION 10-YEAR LIFECYCLE COST COMPARISON FOR A 1 KW STANDBY POWER SYSTEM [GRAPHIC OMITTED] I N I $20,000 ---------------------------------------- T ==== Fuel Cell with "Free" Fuel I ==== Fuel Cell with HoD(TM) Fuel A ==== Battery L $15,000 ---------------------------------------- C A P I $10,000 ---------------------------------------- / Fuel cost is T / insignificant in A / standby L \ applications \ O $5,000 ---------------------------------------- \ U T 1 2 3 4 5 6 7 8 L A HOURS OF ANNUAL BACK-UP CAPACITY AND USAGE Y ================================================================================ o CLEAN, QUIET OPERATION IN BROAD TEMPERATURE RANGE o LOWER LIFECYCLE COSTS FOR TARGETED CUSTOMERS NEEDING 8+ HOURS OF BACK-UP o RELIABLE REMOTE MONITORING o MINIMAL FOOTPRINT AND INFRASTRUCTURE REQUIREMENT o EASY SERVICING AND MAINTENANCE ================================================================================ [MILLENIUM CELL LOGO] 14 HYDROGEN ON DEMAND(TM) PROVIDES COMPETITIVE ADVANTAGES OVER OTHER H2 STORAGE TECHNOLOGY ---------------------------------------------------------------------------------------- STANDBY POWER FUEL HYDROGEN ON COMPRESSED HYDROCARBON SYSTEM REQUIREMENTS DEMAND(TM) HYDROGEN REFORMER METAL HYDRIDE - -------------------------------------------------------------------------------------------------------------- VOLUMETRIC ENERGY VERY IMPORTANT + + - - - - + + DENSITY - -------------------------------------------------------------------------------------------------------------- START-UP TIME VERY IMPORTANT + + + + - - + - -------------------------------------------------------------------------------------------------------------- SYSTEM COST IMPORTANT + + - - - - - - -------------------------------------------------------------------------------------------------------------- FUEL SAFETY IMPORTANT + + - - - - - -------------------------------------------------------------------------------------------------------------- GRAVIMETRIC ENERGY IMPORTANT + + + - - DENSITY - - - -------------------------------------------------------------------------------------------------------------- EASE OF REFUELING IMPORTANT + - - + + - - - -------------------------------------------------------------------------------------------------------------- FUEL DISTRIBUTION LESS IMPORTANT - - - + + - - - -------------------------------------------------------------------------------------------------------------- FUEL COST LESS IMPORTANT - - - + + - - -------------------------------------------------------------------------------------------------------------- ++ STRENGTH + ADVANTAGE - DISADVANTAGE -- WEAKNESS [MILLENIUM CELL LOGO] 15 STANDBY POWER STRATEGY IS TO TARGET PARTNERSHIPS TO INFLUENCE FUEL SYSTEM DESIGN Customer Landscape FUEL CELL SUPPLIERS SYSTEM INTEGRATORS FUEL DISTRIBUTORS OEMS - ------------------- ------------------ ----------------- ---- Plug Power Plug Power Airgas APC Hydrogenics Hydrogenics Air Liquide MGE UTC Ballard Gaz De France Invensys Ballard Idatech Praxair Nuvera Nuvera APCI [MILLENIUM CELL LOGO] 16 CONSUMER ELECTRONICS [MILLENIUM CELL LOGO] 17 MILLENNIUM CELL'S ADDRESSABLE MARKET IN CONSUMER ELECTRONICS IS ALREADY LARGE AND GROWING WORLDWIDE PREMIUM BATTERY MARKET TOTAL AVAILABLE MARKET (MILLIONS OF UNITS) [GRAPHIC OMITTED] 900 --------------------------------------------------------------- [ ] MOBILE PHONES 800 [ ] NOTEBOOK COMPUTERS CAGR = 9.9% [ ] PDAs 700 [ ] DIGITAL CAMERAS [ ] CAMCORDERS 600 500 400 300 200 100 0 --------------------------------------------------------------- 2002 2003 2004 2005 2006 2007 2008 2009 Source: Darnell Group - "Fuel Cells for Portable Power: Markets, Manufacture and Cost" [MILLENIUM CELL LOGO] 18 INCUMBENT LI ION TECHNOLOGY IS MATURE AND VULNERABLE LI-ION CYLINDRICAL DEVELOPMENT TREND [GRAPHIC OMITTED] ------------------------------------------------------------------- E N E New Li-ion with next R generation material-----> TARGET G 550 Y D 500 E N S 450 I Average annual rate of o HIGH ENERGY DENSITY ELECTRODE T increase: 9-10% O THINNER COMPONENTS Y 400 (Wh/I) ------------------------------------------------------------------- '00 '01 '02 '03 '04 '05 ================================================================================ Panasonic Technologies Company PANASONIC ideas for life (c) 2003 All Rights Reserved [LOGO] ================================================================================ [MILLENIUM CELL LOGO] 19 HYDROGEN ON DEMAND(TM)BASED FUEL CELL SYSTEMS WILL DELIVER ALL-DAY POWER FOR NOTEBOOK PCS Energy Density RUNTIME IN A TYPICAL NOTEBOOK PC Wh/l (250 CC, 20W) ----------------------------------------------------------------- [GRAPHIC OMITTED] ----------------------------------------------------------------- Timing for Performance Demonstration *Panasonic - Small Fuel Cells Conference - May 8, 2003 [MILLENIUM CELL LOGO] 20 THE VALUE PROPOSITION FOR FUEL CELLS AND HYDROGEN ON DEMAND(TM) FUEL CARTRIDGE TECHNOLOGY IS COMPELLING FOR CONSUMER ELECTRONIC APPLICATIONS o For notebook personal computers (PCs) o 8-10 hours of continuous wireless power vs. today's 2-3 hours of lithium ion battery life... o In the same space and weight constraints provided for onboard rechargeable batteries o Without recharging o Affordable pricing and business value throughout value chain o Enables productivity gains through Wi Fi and wireless power o Convenience of a disposal fuel cartridge, similar to disposable alkaline batteries o The option of recyclable fuel cartridges, similar to refillable printer toner cartridges o For mobile phones and personal digital assistants (PDAs) o Extended operating time... o In the same space and weight constraints provided for rechargeable batteries o Without recharging o Affordable pricing and business value throughout value chain o Higher energy storage to service the convergence of wireless internet, streaming video, digital cameras, and MP3 music applications into these devices [MILLENIUM CELL LOGO] 21 HYDROGEN ON DEMAND(TM) FUEL CARTRIDGES WILL DELIVER BETTER PERFORMANCE THAN LI ION FOR A LOWER PRICE THAN ALKALINE PERFORMANCE IN A TYPICAL MOBILE PHONE (15 CC, 2W, 12 TALK TIME HOURS/MO) ================================================================================ Energy Days of Use Consumer Density per Price per (Wh/l) charge/refill refill - -------------------------------------------------------------------------------- Hydrogen On Demand(TM) and 900 16.9 $1.43 PEM Fuel Cell - -------------------------------------------------------------------------------- Li Ion Pack 336* 6.3 n/a - -------------------------------------------------------------------------------- Alkaline Battery 53** 1.0 $1.50 ================================================================================ * Panasonic - Small Fuel Cells Conference - May 8, 2003 ** 2 x AAA from Duracell.com [MILLENIUM CELL LOGO] 22 FUEL TECHNOLOGY BY MILLENNIUM CELL HAS SIGNIFICANT ADVANTAGES OVER DIRECT METHANOL FUEL CELLS (DMFC) =============================================================================================== NaBH / 4 Features DMFC PEM FC Implication - ----------------------------------------------------------------------------------------------- Efficiency 25% 37.5% Less fuel for same runtime - ----------------------------------------------------------------------------------------------- Heat 3 watts of heat per 1.7 watts of heat per Cooler devices watt of electricity watt of electricity - ----------------------------------------------------------------------------------------------- Cost 5 x more platinum Earlier penetration for NaBH / than NaBH /PEM PEM FC than DMFC 4 4 - ----------------------------------------------------------------------------------------------- Power density < 0.1 W/cc Up to 1.0 W/cc PEM FC occupies 1/10th space that DMFC requires - ----------------------------------------------------------------------------------------------- Fuel Safety Flammable and Non-flammable in o Easier DOT approval human toxic solution and o Less site liability environmentally o Less end-user liability benign =============================================================================================== [MILLENIUM CELL LOGO] 23 CONSUMER ELECTRONIC STRATEGY IS TO TARGET PARTNERSHIPS TO INFLUENCE FUEL SYSTEM DESIGN Customer Landscape DEVICES FUEL CELLS DISTRIBUTION ------- ---------- ------------ Samsung Samsung Duracell Nokia Toshiba Matsushita Motorola Matsushita Toshiba Matsushita Sony BIC HP/Compaq NEC Sony Dell Sanyo H-P IBM Lexmark Toshiba Canon Apple Sony Palm [MILLENIUM CELL LOGO] 24 REVENUE PROJECTION SUMMARY: 2003-2007 ========================================================================================================================= Consumer Electronics - 1,000,000 547,957 4,425,966 17,591,959 License(2004) and Royalty (2005-2007) Standby Power - 1,238,985 5,521,028 14,110,000 27,348,501 License and Royalty Standby Power Catalyst Sales - 1,651,629 6,169,243 12,353,945 19,516,010 Prototype Systems/ 580,000 1,300,000 300,000 500,000 500,000 Joint Development Agreements Public Sector Funding 620,000 2,000,000 4,000,000 6,000,000 8,000,000 ------- --------- --------- --------- --------- - ------------------------------------------------------------------------------------------------------------------------- TOTAL REVENUE $1,200,000 $7,190,614 $16,538,228 $37,389,911 $72,956,471 ---------- ---------- ----------- ----------- ----------- - ------------------------------------------------------------------------------------------------------------------------- ================================================================================ OTHER FINANCIAL HIGHLIGHTS o $719K REVENUE IN 2002 o COMMERCIAL PRODUCT LAUNCHES TARGETED FOR 2004 FOR STANDBY POWER AND 2005 FOR CONSUMER ELECTRONICS o GROSS MARGINS RAMP FROM 20% (2003) TO 90% (2007) DUE TO "SOFTWARE" BUSINESS MODEL o PROJECT CASH FLOW POSITIVE FOR Q4 2004, EBITDA POSITIVE BY Q4 2005 ================================================================================ [MILLENIUM CELL LOGO] 25 FOUR REASONS TO INVEST IN MCEL...NOW 1. MCEL is the only hydrogen-fuel and storage company that sells to all the major market segments o Near Term: Standby Power and Consumer Electronics o Future: Transportation 2. MCEL is a bellwether company o All small fuel cells require pure hydrogen stored safely and conveniently o Licenses to MCEL's technology precede fuel cell product launches 3. MCEL delivers on aggressive operating and strategic goals o Accountability for progress documented in annual reports (see 2001 and 2002) o Financial viability ensured through business plan execution and 2002 financing 4. MCEL's stock price appreciation has been lagging versus peer companies in 2003 [MILLENIUM CELL LOGO] 26 [MILLENNIUM CELL LOGO] clean energy to power the world [GRAPHIC OMITTED]