<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-A
FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
PURSUANT TO SECTION 12(B) OR (G) OF THE
SECURITIES EXCHANGE ACT OF 1934
MARKWEST HYDROCARBON, INC.
(Exact name of registrant as specified in its charter)
Delaware 84-1352233
(State of incorporation or (I.R.S. Employer
organization) Identification No.)
155 Inverness Drive West
Suite 200
Englewood, Colorado 80112
(Address of principal executive (Zip Code)
offices)
Securities to be registered pursuant to Section 12(b) of the Act:
Title of each class Name of each exchange on which
to be registered each class is to be registered
Common stock, $.01 par American Stock Exchange
value per share
If this form relates to the registration of a class of securities pursuant
to Section 12(b) of the Exchange Act and is effective pursuant to General
Instruction A.(c), please check the following box. /X/
If this form relates to the registration of a class of securities pursuant
to Section 12(g) of the Exchange Act and is effective pursuant to General
Instruction A.(d), please check the following box. [_]
Securities Act registration Statement file number to which this form
relates: None
Securities to be registered pursuant to Section 12(g) of the Act: Not
Applicable
This Registration Statement Consists of 4 Pages
Exhibit Index on Page 4
1
<PAGE>
Item 1. Description of Registrant's Securities to be Registered.
The description of the common stock, $.01 par value (the "Common
Stock"), of MarkWest Hydrocarbon, Inc. (the "Company") to be registered
hereunder is contained under the caption "Description of Capital Stock" in the
Prospectus constituting a part of the Registration Statement filed by the
Company with the Securities and Exchange Commission on Form S-1, dated August 2,
1996, as amended on September 13, 1996 (File No. 333-09513)) (the "Registration
Statement"), including any other amendments thereto, which description is
incorporated herein by reference.
Item 2. Exhibits.
1 Certificate of Incorporation of MarkWest Hydrocarbon, Inc.
(incorporated by reference to Exhibit 3.1 to the Company's
Registration Statement on Form S-1, dated August 2, 1996, as amended
on September 13, 1996, File No. 333-09513).
2 Amended Bylaws of the Company (incorporated by reference to Exhibit
3.2 to the Company's Registration Statement on Form S-1, dated August
2, 1996, as amended on September 13, 1996 (File No. 333-09513))
2
<PAGE>
SIGNATURE
Pursuant to the requirements of Section 12 of the Securities Exchange Act
of 1934, the Company has duly caused this registration statement to be signed on
its behalf by the undersigned, thereto duly authorized.
Date: February 17, 1999 MARKWEST HYDROCARBON, INC.
By: /s/ Gerald A. Tywoniuk
---------------------------------------------
Gerald A. Tywoniuk
Chief Financial Officer
3
<PAGE>
MARKWEST HYDROCARBON, INC.
Form 8-A Exhibit Index
Exhibit
Number Exhibits
- ------- --------
1 Certificate of Incorporation of the Company (incorporated by reference
to Exhibit 3.1 to the Company's Registration Statement on Form S-1,
dated August 2, 1996, as amended on September 13, 1996 (File No. 333-
09513))
2 Amended Bylaws of the Company (incorporated by reference to Exhibit
3.2 to the Company's Registration Statement on Form S-1, dated
August 2, 1996, as amended on September 13, 1996 (File No. 333-09513))
4
