CUSIP No. 529043101 Page 10 of 10 Pages

EXHIBIT 1

AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G

Each of the undersigned hereby affirms that it is individually eligible to use Schedule 13G, and agrees that this Schedule 13G is filed on its behalf.

Date: October 28, 2008

CITICORP NORTH AMERICA, INC.

By: /s/ Leonard Ellis

_______________________________
Name: Leonard Ellis

Title: Vice President

CITICORP BANKING CORPORATION

By: /s/ William H. Wolf
________________________________
Name: William H. Wolf

Title: Senior Vice President

CITIGROUP INC.

By: /s/ Riqueza V. Feaster
_______________________________

Name: Riqueza V. Feaster

Title: Assistant Secretary

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