ALPHA NATURAL RESOURCES, LLC 406 West Main Street Abingdon, Virginia 24212 September 23, 2005

Exhibit 2.5

ALPHA NATURAL RESOURCES, LLC
000 Xxxx Xxxx Xxxxxx
Xxxxxxxx, Xxxxxxxx 00000

September 23, 2005

Seller Parties Named on the Signature Pages Hereof
c/o Xxxxx Xxxxxx
000 Xxxxxxx Xxxx Xxxx
Xxxxxxx, XX 00000

Ladies and Gentlemen:

     The “Seller Parties” and “Buyer Parties” named on the signature pages of this letter agreement hereby agree, with respect to each of the agreements listed on Exhibit A (collectively, the “Agreements”), in consideration of the mutual covenants, conditions and agreements set forth herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, that:

     1. This letter agreement has been executed following the execution of, and effectively amends, each of the Agreements, and for purpose of the Agreements the provisions of this letter agreement shall become an integral part of each of the Agreements as though its terms and provisions were set forth therein in full.

     2. As used in each of the specific references listed on Exhibit B to this letter, “Business” shall mean the entire business of the mining, processing, transportation and sale of coal, domestic trading of coal (including the purchase and resale of coal produced by others), owning and leasing coal reserves and other interests in real property, and all activities related to the foregoing conducted by all of the following entities: Xxxxxxxx Energy Company, LLC, Mate Creek Energy of W. Va., Inc., Xxxxxxxxxx Contracting, Inc., Powers Shop, LLC, Premium Energy, Inc., Twin Star Mining, Inc., Virginia Energy Company and White Flame Energy, Inc. in the State of West Virginia and the Commonwealths of Kentucky and Virginia that is being acquired directly or indirectly by Buyer Parties pursuant to the Agreements.

     3. As used in any other instance in any Agreement, the term “Business” shall have the meaning as set forth in such Agreement.

     4. If any party hereto is required to disclose any of the Agreements pursuant to any state or federal securities law, such disclosure may be accompanied by the disclosure of this letter agreement.

Sincerely,

BUYER PARTIES:
ALPHA NATURAL RESOURCES, INC.
By:		/s/ Xxxxxx X. Xxxxxx
		Xxxxxx X. Xxxxxx, Vice President
ALPHA NATURAL RESOURCES, LLC
By:		/s/ Xxxxxx X. Xxxxxx
		Xxxxxx X. Xxxxxx, Vice President
PREMIUM ENERGY, LLC
By:		/s/ Xxxxxx X. Xxxxxx
		Xxxxxx X. Xxxxxx, Vice President
SELLER PARTIES:
MATE CREEK ENERGY OF W. VA., INC.
By:		/s/ Xxxxxxx Xxxxxx “Don” Xxxxxxxxxx
		Name: Xxxxxxx Xxxxxx “Don” Xxxxxxxxxx
		Title: Vice President
VIRGINIA ENERGY COMPANY
By:		/s/ Xxxxxxx Xxxxxx “Don” Xxxxxxxxxx
		Name: Xxxxxxx Xxxxxx “Don” Xxxxxxxxxx
		Title: President
/s/ Xxxx Xxxxxx
XXXX XXXXXX

[Signature Page to Cross-Condition Side Letter]

/s/ Xxxxx Xxxxxxxx
XXXXX XXXXXXXX
/s/ Xxx Xxxxxxxxxx Xxxxxxx
XXX XXXXXXXXXX XXXXXXX
/s/ Xxxxx Xxxxxx
XXXXX XXXXXX
/s/ X. X. Xxxxxx
X. X. XXXXXX
X. X. XXXXXX CHARITABLE INCOME TRUST II
By:		/s/ Xxxxx X. Xxxxxx
		Name: Xxxxx X. Xxxxxx
		Title: Attorney-in-Fact under power of attorney
dated February 4, 1998, for Xxxxx X. Xxxxxx, Trustee
/s/ Xxxxxxx Xxxxxx “Don” Xxxxxxxxxx
XXXXXXX XXXXXX “DON” XXXXXXXXXX
/s/ X. X. Xxxxxxxxxx
X. X. XXXXXXXXXX
/s/ Xxxx Xxxxx Xxxxxxxxxx
XXXX XXXXX XXXXXXXXXX
/s/ Xxxxxxx X. Xxxxxxxxxx
XXXXXXX X. XXXXXXXXXX
/s/ X. X. Xxxxxxxxx
X. X. XXXXXXXXX, individually and as Sellers
Representative under the Xxxxxxxx Energy Purchase Agreement

[Signature Page to Cross-Condition Side Letter]

TRI-CITIES INVESTMENTS, a Virginia general partnership
By: Tri-Cities Investments, Inc., its general partner
By:		/s/ Xxxxx Xxxxxx
		Name: Xxxxx Xxxxxx
		Title: President

[Signature Page to Cross-Condition Side Letter]

PREMIUM ENERGY, INC.
By:		/s/ Xxxxxxx Xxxxxx “Don” Xxxxxxxxxx
		Name: Xxxxxxx Xxxxxx “Don” Xxxxxxxxxx
		Title: President

[Signature Page to Cross-Condition Side Letter]

Exhibit A

AGREEMENTS

Acquisition Agreement, dated as of September 23, 2005, among Alpha Natural Resources, LLC, Mate Creek Energy of W. Va., Inc., Virginia Energy Company, the unitholders of Powers Shop, LLC, and the shareholders of Xxxxxxxxxx Contracting, Inc., Twin Star Mining, Inc. and White Flame Energy, Inc. (the “Acquisition Agreement”)

Membership Unit Purchase Agreement, dated as of September 23, 2005, among Premium Energy, LLC and the unitholders of Xxxxxxxx Energy Company, LLC (the “Xxxxxxxx Energy Purchase Agreement”)

Agreement and Plan of Merger, dated as of September 23, 2005, among Alpha Natural Resources, Inc., Alpha Natural Resources, LLC, Premium Energy, LLC, Premium Energy, Inc. and the shareholders of Premium Energy, Inc. (the “Premium Energy Merger Agreement”)

Exhibit B

MODIFIED REFERENCES TO “BUSINESS”

Acquisition Agreement: Sections 6.8, 7.7, 8.1(t) and 8.2(g)

Xxxxxxxx Energy Purchase Agreement: Sections 6.8, 7.7, 8.1(t) and 8.2(g)

Premium Energy Merger Agreement: Sections 6.8, 7.7, 8.1(t) and 8.2(f)