UNITED STATES SECURITIES AND EXCHANGE COMMISSION

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

~~Pursuant~~Date toof ~~Section~~Report ~~13 or 15~~(d)Date of ~~the~~earliest ~~Securities Exchange~~event ~~Act~~reported): ofApril 28, ~~1934~~2006

Date of Report (Date of earliest event reported): January 12, 2006

KCS Energy, Inc.

(Exact name of registrant as specified in its charter)

Delaware	~~1-13781~~	221-~~2889587~~13781	22-2889587
(State or other jurisdiction of	~~(Commission File Number)~~	(~~IRS Employer~~Commission	(IRS Employer
incorporation)		~~Identification~~File ~~No.~~Number)	Identification No.)


5555 San Felipe Road, Suite 1200
Houston, Texas		77056
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (713) 877-8006

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

(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:

o þ 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 2 8.0201 ~~Results~~Regulation FD ~~of Operations and Financial Condition~~Disclosure.

~~Item~~ On 7April 28, 2006, KCS Energy, Inc.01 ~~Regulation~~(“KCS”) FDdistributed ~~Disclosure~~to its shareholders a letter from its Chairman and Chief Executive Officer (the “Letter to Shareholders”) transmitting the 2005 Annual Report of KCS referring to the previously announced Agreement and Plan of Merger between KCS and Petrohawk Energy Corporation and announcing KCS’ decision to postpone its annual meeting of shareholders. A copy of the Letter to Shareholders is furnished and attached as Exhibit 99.1 hereto and is incorporated herein by reference.

On January 12, 2006, KCS Energy, Inc. (“KCS”) issued a press release announcing an initial 2006 capital budget, an increase to the 2005 capital budget and updated guidance for 2005 and preliminary guidance for 2006. A copy of the press release is filed as Exhibit 99.1 hereto and is incorporated herein by reference.

The press release contains forward-looking statements that involve a number of risks and uncertainties. Among the important factors that could cause actual results to differ materially from those indicated by such forward-looking statements are delays and difficulties in developing currently owned properties, the failure of exploratory drilling to result in commercial wells, delays due to the limited availability of drilling equipment and personnel, fluctuation in oil and gas prices, general economic conditions and the risk factors detailed from time to time in KCS’ periodic reports filed with the Securities and Exchange Commission.

In accordance with General Instruction B.2 of Form 8-K, the information in Exhibit 99.1 attached hereto is being furnished and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not otherwise subject to the liabilities of that section. Accordingly, the information in Exhibit 99.1 attached hereto will not be incorporated by reference into any filing made by KCS under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, unless specifically identified therein as being incorporated therein by reference.

Item 9.01 Financial Statements and Exhibits.

(d)

Exhibits.

Exhibit 99.1 Press Release, dated January 12, 2006.


Exhibit Number		Description

Exhibit 99.1		Letter to Shareholders of KCS Energy, Inc. dated April 28, 2006

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.

	KCS ENERGY, INC.	~~KCS ENERGY, INC.~~
Date: January 17, 2006		By:	/s/ Frederick Dwyer
Date: April 28, 2006	/s/ Frederick Dwyer
		Name:	Frederick Dwyer
	Frederick Dwyer
		Title:	Vice President, Controller and Secretary
	Vice President, Controller and Secretary

EXHIBIT INDEX

Description

Exhibit Number

Description

Press Release, dated January 12, 2006.

Exhibit 99.1

Letter to Shareholders of KCS Energy, Inc. dated April 28, 2006

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