<PAGE>
<TABLE>
<CAPTION>
-------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION -----------------------------
FORM 3 WASHINGTON, D.C. 20549 OMB APPROVAL
-------- -----------------------------
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES OMB Number: 3235-0104
Expires: December 31, 2001
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Estimated average burden
Section 17(a) of the Public Utility Holding Company Act of 1935 or hours per response .... 0.5
(Print or Type Responses) Section 30(f) of the Investment Company Act of 1940 -----------------------------
------------------------------------------------------------------------------------------------------------------------------------
<S><C>
1. Name and Address of Reporting Person* 2. Date of Event Re- 4. Issuer Name AND Ticker or Trading Symbol
quiring Statement
Michael Thomas H. (Month/Day/Year) H Power Corp. ("HPOW")
------------------------------------------------- ------------------------------------------------------------
(Last) (First) (Middle) 8/8/00 11. Relationship of Reporting Person(s) 12. If Amendment,
----------------------- to Issuer (Check all applicable) Date of Original
3. I.R.S. Identifi- Director 10% Owner (Month/Day/Year)
cation Number of ---- ----
2221 Crossing Way Reporting Person, Officer (give Other (specify ---------------------
------------------------------------------------- if an entity X title below) below) 7. Individual or
(Street) (voluntary) ---- ---- Joint/Group
Vice President, Administration Filing
and Assistant Secretary -----------------
------------------------------ Form filed by One
X Reporting Person
---
Form filed by
More than One
Reporting Person
Wayne, NJ 07470 ---
------------------------------------------------------------------------------------------------------------------------------------
(City) (State) (Zip) TABLE 1 -- NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED
------------------------------------------------------------------------------------------------------------------------------------
1. Title of Security 2. Amount of Securities 3. Ownership 4. Nature of Indirect Beneficial
(Instr. 4) Beneficially Owned Form: Direct Ownership (Instr. 5)
(Instr. 4) (D) or Indirect
(I) (Instr. 5)
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, SEE Instruction 5(b)(v).
POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS FORM ARE NOT REQUIRED
TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER.
(Over)
SEC 1473 (3-99)
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FORM 3 (CONTINUED) TABLE II - DERIVATIVE SECURITIES BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE
SECURITIES)
------------------------------------------------------------------------------------------------------------------------------------
<S><C>
1. Title of Derivative Security 2. Date Exer- 3. Title and Amount of Securities 4. Conver- 5. Owner- 6. Nature of Indirect
(Instr. 4) cisable and Underlying Derivative Security sion or ship Beneficial
Expiration (Instr. 4) Exercise Form of Ownership
Date Price of Deriv- (Instr. 5)
(Month/Day/ Deri- ative
Year) vative Security:
-------------------------------------------------- Security Direct
Amount (D) or
Date Expir- or Indirect
Exer- ation Title Number (I)
cisable Date of
Shares (Instr. 5)
------------------------------------------------------------------------------------------------------------------------------------
Options to Purchase Common (1) 10/22/04 Common Stock $0.001 225,000 $3.00 D
Stock, $0.001 par value per share par value per share
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------
Explanation of Responses: (1) The option will vest in three equal annual installments beginning on October 31, 2000.
/s/ Thomas Michael 8/1/00
------------------------------------- ----------------------
**Intentional misstatements or omissions of facts constitute Federal **Signature of Reporting Person Date
Criminal Violations
SEE 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient,
SEE Instruction 6 for procedure.
Potential persons who are to respond to the collection of information contained in this form are not
required to respond unless the form displays a currently valid OMB Number. Page 2
</TABLE>
