EX-24.1

Exhibit 24.1

POWER OF ATTORNEY

Know by all these presents, that the undersigned hereby constitutes and appoints each of Karen B. Corrigan, James J. Killerlane III, Andrew M.W. Yeung and Gwen J. Zeisler, signing singly, the undersigned’s true and lawful attorney-in-fact to:

1) prepare, execute for and on behalf of the undersigned, in the undersigned’s name, place and stead in any and all capacities related to securities held by the undersigned, any and all filings by the undersigned or Lehman Brothers Holdings Inc. (the “Company”) with the United States Securities and Exchange Commission (the “SEC”) (a) pursuant to Section 13 of the Securities Exchange Act of 1934 and the rules thereunder, as amended, and (b) pursuant to Section 16 of the Securities Exchange Act of 1934 and the rules thereunder, as amended, and with respect to either of the foregoing clauses (a) and (b), any other forms or reports the undersigned or the Company may be required to file in connection with the undersigned’s ownership, acquisition, or disposition of securities;

2) do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete, execute and deliver any such filing as described in paragraph (1) above, or other form or report, and timely file such form or report with the SEC and any stock exchange or similar authority; and

3) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact’s discretion.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact’s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned’s responsibilities to comply with Section 13 or Section 16 of the Securities Exchange Act of 1934 and the rules thereunder, as amended.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file any such filing as described in paragraph (1) above, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of March 26, 2008.

	LEHMAN BROTHERS MLP OPPORTUNITY ASSOCIATES L.P.
/s/ Ashvin Rao
Name: Ashvin Rao
Title: Vice President

EX-24.2

Exhibit 24.2

POWER OF ATTORNEY

Know by all these presents, that the undersigned hereby constitutes and appoints each of Karen B. Corrigan, James J. Killerlane III, Andrew M.W. Yeung and Gwen J. Zeisler, signing singly, the undersigned’s true and lawful attorney-in-fact to:

1) prepare, execute for and on behalf of the undersigned, in the undersigned’s name, place and stead in any and all capacities related to securities held by the undersigned, any and all filings by the undersigned or Lehman Brothers Holdings Inc. (the “Company”) with the United States Securities and Exchange Commission (the “SEC”) (a) pursuant to Section 13 of the Securities Exchange Act of 1934 and the rules thereunder, as amended, and (b) pursuant to Section 16 of the Securities Exchange Act of 1934 and the rules thereunder, as amended, and with respect to either of the foregoing clauses (a) and (b), any other forms or reports the undersigned or the Company may be required to file in connection with the undersigned’s ownership, acquisition, or disposition of securities;

2) do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete, execute and deliver any such filing as described in paragraph (1) above, or other form or report, and timely file such form or report with the SEC and any stock exchange or similar authority; and

3) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact’s discretion.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact’s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned’s responsibilities to comply with Section 13 or Section 16 of the Securities Exchange Act of 1934 and the rules thereunder, as amended.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file any such filing as described in paragraph (1) above, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of March 26, 2008.

	LEHMAN BROTHERS MLP PARTNERS, L.P.
/s/ Ashvin Rao
Name: Ashvin Rao
Title: Vice President

EX-99.99.1

EXHIBIT 99.1

JOINT FILER INFORMATION

Title of Non-Derivative Securities: Common Units

Title of Derivative Securities: Senior Subordinated Series C Units

Issuer & Ticker Symbol: Crosstex Energy, L.P. (XTEX)

Date of event requiring statement: February 16, 2008

Designated Filer:

Lehman Brothers Holdings Inc.

745 Seventh Avenue

New York, NY 10019

Other Joint Filer Information (all filers share the Reporting Person’s address unless otherwise indicated):

Lehman Brothers Inc., a Delaware corporation, a direct wholly-owned subsidiary of the Reporting Person and direct 100% parent of LB I Group.

LB I Group Inc., a Delaware corporation, a direct wholly-owned subsidiary of Lehman Brothers Inc. and general partner of Lehman Brothers MLP Associates, L.P.

399 Park Avenue

New York, NY 10022

Lehman Brothers MLP Associates, L.P., a Delaware limited partnership, general partner of Lehman Brothers MLP Partners, LP.

399 Park Avenue

New York, NY 10022

Lehman Brothers MLP Partners, LP, a Delaware limited partnership.

399 Park Avenue

New York, NY 10022

Signatures of Joint Filers:

LEHMAN BROTHERS INC.

By:	/s/ Karen Corrigan
	Name: Karen Corrigan Title: Senior Vice President

LB I GROUP INC.

By:	/s/ Karen Corrigan
	Name: Karen Corrigan Title: Vice President

LEHMAN BROTHERS MLP ASSOCIATES, L.P.

By:	/s/ Karen Corrigan
	Name: Karen Corrigan Title: Attorney-in-fact

LEHMAN BROTHERS MLP PARTNERS, LP

By:	/s/ Karen Corrigan
	Name: Karen Corrigan Title: Attorney-in-fact