8-K

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) September 28, 2004

MARKWEST HYDROCARBON, INC.
(Exact name of registrant as specified in its charter)

Delaware	001-14841	84-1352233
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification Number)

155 Inverness Drive West, Suite 200, Englewood, CO 80112-5000
(Address of principal executive offices)

Registrant's telephone number, including area code: 303-290-8700

Not Applicable.
(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o

Written Communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o

Pre-Commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o

Pre-Commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events

        On October 28, 2004, MarkWest Hydrocarbon, Inc. ("MarkWest") publicly disseminated a press release announcing that its board of directors had declared a stock dividend of one share of MarkWest's common stock for each ten shares of common stock held by MarkWest's common stockholders payable on November 19, 2004, to the stockholders of record as of the close of business on November 9, 2004, and also declared a subsequent cash dividend in the amount of $0.05 per share, payable on December 6, 2004, to the stockholders of record on November 24, 2004. A copy of the press release is filed herewith as Exhibit 99.1 and incorporated by reference into this Item 8.01.

Item 9.01. Financial Statement and Exhibits.

(c)

Exhibits.

Exhibit No.

Description

99.1

Press Release, dated October 28, 2004, announcing that MarkWest's board of directors had declared a stock dividend of one share of MarkWest's common stock for each ten shares of common stock held by MarkWest's common stockholders payable on November 19, 2004, to the stockholders of record as of the close of business on November 9, 2004, and also declared a subsequent cash dividend in the amount of $0.05 per share, payable on December 6, 2004, to the stockholders of record on November 24, 2004.

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SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	MARKWEST HYDROCARBON, INC. (Registrant)
Dated: November 3, 2004	By:	/s/  JAMES G. IVEY James G. Ivey Chief Financial Officer

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EXHIBIT INDEX

Exhibit No.

Description

99.1

Press Release, dated October 28, 2004, announcing that MarkWest's board of directors had declared a stock dividend of one share of MarkWest's common stock for each ten shares of common stock held by MarkWest's common stockholders payable on November 19, 2004, to the stockholders of record as of the close of business on November 9, 2004, and also declared a subsequent cash dividend in the amount of $0.05 per share, payable on December 6, 2004, to the stockholders of record on November 24, 2004.

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Item 8.01. Other Events
Item 9.01. Financial Statement and Exhibits.

SIGNATURES
EXHIBIT INDEX

EX-99.1

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EXHIBIT 99.1

MarkWest Hydrocarbon, Inc. 155 Inverness Drive West, Suite 200 Englewood, CO 80112-5000	Contact:	Frank Semple, President & CEO Jim Ivey, CFO Andy Schroeder, VP and Treasurer
(800) 730-8388	Phone:	(303) 290-8700
(303) 290-8700	E-mail:	investorrelations@markwest.com
(303) 290-8769 Fax	Website:	www.markwest.com

MARKWEST HYDROCARBON DECLARES A 10% STOCK DIVIDEND AND A
QUARTERLY CASH DIVIDEND OF $0.05 PER SHARE

        DENVER—October 28, 2004—MarkWest Hydrocarbon, Inc. (AMEX: MWP), today announced its Board of Directors declared a stock dividend of one share of MarkWest's common stock for each ten shares of common stock held by MarkWest's common stockholders. The stock dividend is to be paid on November 19, 2004, to the stockholders of record as of the close of business on November 9, 2004. The ex-dividend date is November 5, 2005. The Company does not intend to issue fractional shares, and each stockholder will be paid in cash in lieu of fractional shares, if any, based upon the last sale price on the record date.

        MarkWest Hydrocarbon, Inc. also announced that its Board of Directors declared a quarterly cash dividend of $0.05 per share of its common stock. This represents a $0.025 per share increase over the previous quarter's dividend. The indicated annual rate is $0.20 per share. MarkWest's Board has declared that the dividend is to be paid on December 6, 2004, to the stockholders of record as of the close of business on November 24, 2004. The ex-dividend date is November 22, 2004.

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MarkWest Hydrocarbon, Inc. (AMEX: MWP) operates the business of MarkWest Energy Partners, L.P. (AMEX: MWE), a publicly-traded limited partnership engaged in the gathering, processing and transmission of natural gas; the transportation, fractionation and storage of natural gas liquids; and the gathering and transportation of crude oil. We also market natural gas and NGLs.

This press release includes "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements other than statements of historical facts included or incorporated herein may constitute forward-looking statements. Although we believe that the expectations reflected in the forward-looking statements are reasonable, we can give no assurance that such expectations will prove to be correct. The forward-looking statements involve risks and uncertainties that affect our operations, financial performance and other factors as discussed in our filings with the Securities and Exchange Commission. Among the factors that could cause results to differ materially are those risks discussed in our Form 10-K for the year ended December 31, 2003.

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MARKWEST HYDROCARBON DECLARES A 10% STOCK DIVIDEND AND A QUARTERLY CASH DIVIDEND OF $0.05 PER SHARE